diff options
Diffstat (limited to 'sys/contrib/dev/acpica/evxfevnt.c')
| -rw-r--r-- | sys/contrib/dev/acpica/evxfevnt.c | 924 |
1 files changed, 0 insertions, 924 deletions
diff --git a/sys/contrib/dev/acpica/evxfevnt.c b/sys/contrib/dev/acpica/evxfevnt.c deleted file mode 100644 index e90bded5c7ac..000000000000 --- a/sys/contrib/dev/acpica/evxfevnt.c +++ /dev/null @@ -1,924 +0,0 @@ -/****************************************************************************** - * - * Module Name: evxfevnt - External Interfaces, ACPI event disable/enable - * $Revision: 1.93 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp. - * All rights reserved. - * - * 2. License - * - * 2.1. This is your license from Intel Corp. under its intellectual property - * rights. You may have additional license terms from the party that provided - * you this software, covering your right to use that party's intellectual - * property rights. - * - * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a - * copy of the source code appearing in this file ("Covered Code") an - * irrevocable, perpetual, worldwide license under Intel's copyrights in the - * base code distributed originally by Intel ("Original Intel Code") to copy, - * make derivatives, distribute, use and display any portion of the Covered - * Code in any form, with the right to sublicense such rights; and - * - * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent - * license (with the right to sublicense), under only those claims of Intel - * patents that are infringed by the Original Intel Code, to make, use, sell, - * offer to sell, and import the Covered Code and derivative works thereof - * solely to the minimum extent necessary to exercise the above copyright - * license, and in no event shall the patent license extend to any additions - * to or modifications of the Original Intel Code. No other license or right - * is granted directly or by implication, estoppel or otherwise; - * - * The above copyright and patent license is granted only if the following - * conditions are met: - * - * 3. Conditions - * - * 3.1. Redistribution of Source with Rights to Further Distribute Source. - * Redistribution of source code of any substantial portion of the Covered - * Code or modification with rights to further distribute source must include - * the above Copyright Notice, the above License, this list of Conditions, - * and the following Disclaimer and Export Compliance provision. In addition, - * Licensee must cause all Covered Code to which Licensee contributes to - * contain a file documenting the changes Licensee made to create that Covered - * Code and the date of any change. Licensee must include in that file the - * documentation of any changes made by any predecessor Licensee. Licensee - * must include a prominent statement that the modification is derived, - * directly or indirectly, from Original Intel Code. - * - * 3.2. Redistribution of Source with no Rights to Further Distribute Source. - * Redistribution of source code of any substantial portion of the Covered - * Code or modification without rights to further distribute source must - * include the following Disclaimer and Export Compliance provision in the - * documentation and/or other materials provided with distribution. In - * addition, Licensee may not authorize further sublicense of source of any - * portion of the Covered Code, and must include terms to the effect that the - * license from Licensee to its licensee is limited to the intellectual - * property embodied in the software Licensee provides to its licensee, and - * not to intellectual property embodied in modifications its licensee may - * make. - * - * 3.3. Redistribution of Executable. Redistribution in executable form of any - * substantial portion of the Covered Code or modification must reproduce the - * above Copyright Notice, and the following Disclaimer and Export Compliance - * provision in the documentation and/or other materials provided with the - * distribution. - * - * 3.4. Intel retains all right, title, and interest in and to the Original - * Intel Code. - * - * 3.5. Neither the name Intel nor any other trademark owned or controlled by - * Intel shall be used in advertising or otherwise to promote the sale, use or - * other dealings in products derived from or relating to the Covered Code - * without prior written authorization from Intel. - * - * 4. Disclaimer and Export Compliance - * - * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED - * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE - * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, - * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY - * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY - * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A - * PARTICULAR PURPOSE. - * - * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES - * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR - * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, - * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY - * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL - * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS - * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY - * LIMITED REMEDY. - * - * 4.3. Licensee shall not export, either directly or indirectly, any of this - * software or system incorporating such software without first obtaining any - * required license or other approval from the U. S. Department of Commerce or - * any other agency or department of the United States Government. In the - * event Licensee exports any such software from the United States or - * re-exports any such software from a foreign destination, Licensee shall - * ensure that the distribution and export/re-export of the software is in - * compliance with all laws, regulations, orders, or other restrictions of the - * U.S. Export Administration Regulations. Licensee agrees that neither it nor - * any of its subsidiaries will export/re-export any technical data, process, - * software, or service, directly or indirectly, to any country for which the - * United States government or any agency thereof requires an export license, - * other governmental approval, or letter of assurance, without first obtaining - * such license, approval or letter. - * - *****************************************************************************/ - - -#define __EVXFEVNT_C__ - -#include <contrib/dev/acpica/acpi.h> -#include <contrib/dev/acpica/acevents.h> -#include <contrib/dev/acpica/acnamesp.h> -#include <contrib/dev/acpica/actables.h> - -#define _COMPONENT ACPI_EVENTS - ACPI_MODULE_NAME ("evxfevnt") - - -/******************************************************************************* - * - * FUNCTION: AcpiEnable - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Transfers the system into ACPI mode. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiEnable ( - void) -{ - ACPI_STATUS Status = AE_OK; - - - ACPI_FUNCTION_TRACE (AcpiEnable); - - - /* ACPI tables must be present */ - - if (!AcpiTbTablesLoaded ()) - { - return_ACPI_STATUS (AE_NO_ACPI_TABLES); - } - - /* Check current mode */ - - if (AcpiHwGetMode() == ACPI_SYS_MODE_ACPI) - { - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "System is already in ACPI mode\n")); - } - else - { - /* Transition to ACPI mode */ - - Status = AcpiHwSetMode (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 (AcpiEnable) - - -/******************************************************************************* - * - * FUNCTION: AcpiDisable - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Transfers the system into LEGACY (non-ACPI) mode. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiDisable ( - void) -{ - ACPI_STATUS Status = AE_OK; - - - ACPI_FUNCTION_TRACE (AcpiDisable); - - - if (AcpiHwGetMode() == 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 = AcpiHwSetMode (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 (AcpiDisable) - - -/******************************************************************************* - * - * FUNCTION: AcpiEnableEvent - * - * PARAMETERS: Event - The fixed eventto be enabled - * Flags - Reserved - * - * RETURN: Status - * - * DESCRIPTION: Enable an ACPI event (fixed) - * - ******************************************************************************/ - -ACPI_STATUS -AcpiEnableEvent ( - UINT32 Event, - UINT32 Flags) -{ - ACPI_STATUS Status = AE_OK; - UINT32 Value; - - - ACPI_FUNCTION_TRACE (AcpiEnableEvent); - - - /* 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 = AcpiSetRegister (AcpiGbl_FixedEventInfo[Event].EnableRegisterId, 1); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* Make sure that the hardware responded */ - - Status = AcpiGetRegister (AcpiGbl_FixedEventInfo[Event].EnableRegisterId, - &Value); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - if (Value != 1) - { - ACPI_ERROR ((AE_INFO, - "Could not enable %s event", AcpiUtGetEventName (Event))); - return_ACPI_STATUS (AE_NO_HARDWARE_RESPONSE); - } - - return_ACPI_STATUS (Status); -} - -ACPI_EXPORT_SYMBOL (AcpiEnableEvent) - - -/******************************************************************************* - * - * FUNCTION: AcpiSetGpeType - * - * PARAMETERS: GpeDevice - Parent GPE Device - * GpeNumber - GPE level within the GPE block - * Type - New GPE type - * - * RETURN: Status - * - * DESCRIPTION: Set the type of an individual GPE - * - ******************************************************************************/ - -ACPI_STATUS -AcpiSetGpeType ( - ACPI_HANDLE GpeDevice, - UINT32 GpeNumber, - UINT8 Type) -{ - ACPI_STATUS Status = AE_OK; - ACPI_GPE_EVENT_INFO *GpeEventInfo; - - - ACPI_FUNCTION_TRACE (AcpiSetGpeType); - - - /* Ensure that we have a valid GPE number */ - - GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber); - if (!GpeEventInfo) - { - Status = AE_BAD_PARAMETER; - goto UnlockAndExit; - } - - if ((GpeEventInfo->Flags & ACPI_GPE_TYPE_MASK) == Type) - { - return_ACPI_STATUS (AE_OK); - } - - /* Set the new type (will disable GPE if currently enabled) */ - - Status = AcpiEvSetGpeType (GpeEventInfo, Type); - -UnlockAndExit: - return_ACPI_STATUS (Status); -} - -ACPI_EXPORT_SYMBOL (AcpiSetGpeType) - - -/******************************************************************************* - * - * FUNCTION: AcpiEnableGpe - * - * PARAMETERS: GpeDevice - Parent GPE Device - * GpeNumber - 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 -AcpiEnableGpe ( - ACPI_HANDLE GpeDevice, - UINT32 GpeNumber, - UINT32 Flags) -{ - ACPI_STATUS Status = AE_OK; - ACPI_GPE_EVENT_INFO *GpeEventInfo; - - - ACPI_FUNCTION_TRACE (AcpiEnableGpe); - - - /* Use semaphore lock if not executing at interrupt level */ - - if (Flags & ACPI_NOT_ISR) - { - Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - } - - /* Ensure that we have a valid GPE number */ - - GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber); - if (!GpeEventInfo) - { - Status = AE_BAD_PARAMETER; - goto UnlockAndExit; - } - - /* Perform the enable */ - - Status = AcpiEvEnableGpe (GpeEventInfo, TRUE); - -UnlockAndExit: - if (Flags & ACPI_NOT_ISR) - { - (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS); - } - return_ACPI_STATUS (Status); -} - -ACPI_EXPORT_SYMBOL (AcpiEnableGpe) - - -/******************************************************************************* - * - * FUNCTION: AcpiDisableGpe - * - * PARAMETERS: GpeDevice - Parent GPE Device - * GpeNumber - 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 -AcpiDisableGpe ( - ACPI_HANDLE GpeDevice, - UINT32 GpeNumber, - UINT32 Flags) -{ - ACPI_STATUS Status = AE_OK; - ACPI_GPE_EVENT_INFO *GpeEventInfo; - - - ACPI_FUNCTION_TRACE (AcpiDisableGpe); - - - /* Use semaphore lock if not executing at interrupt level */ - - if (Flags & ACPI_NOT_ISR) - { - Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - } - - /* Ensure that we have a valid GPE number */ - - GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber); - if (!GpeEventInfo) - { - Status = AE_BAD_PARAMETER; - goto UnlockAndExit; - } - - Status = AcpiEvDisableGpe (GpeEventInfo); - -UnlockAndExit: - if (Flags & ACPI_NOT_ISR) - { - (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS); - } - return_ACPI_STATUS (Status); -} - -ACPI_EXPORT_SYMBOL (AcpiDisableGpe) - - -/******************************************************************************* - * - * FUNCTION: AcpiDisableEvent - * - * PARAMETERS: Event - The fixed eventto be enabled - * Flags - Reserved - * - * RETURN: Status - * - * DESCRIPTION: Disable an ACPI event (fixed) - * - ******************************************************************************/ - -ACPI_STATUS -AcpiDisableEvent ( - UINT32 Event, - UINT32 Flags) -{ - ACPI_STATUS Status = AE_OK; - UINT32 Value; - - - ACPI_FUNCTION_TRACE (AcpiDisableEvent); - - - /* 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 = AcpiSetRegister (AcpiGbl_FixedEventInfo[Event].EnableRegisterId, 0); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - Status = AcpiGetRegister (AcpiGbl_FixedEventInfo[Event].EnableRegisterId, - &Value); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - if (Value != 0) - { - ACPI_ERROR ((AE_INFO, - "Could not disable %s events", AcpiUtGetEventName (Event))); - return_ACPI_STATUS (AE_NO_HARDWARE_RESPONSE); - } - - return_ACPI_STATUS (Status); -} - -ACPI_EXPORT_SYMBOL (AcpiDisableEvent) - - -/******************************************************************************* - * - * FUNCTION: AcpiClearEvent - * - * PARAMETERS: Event - The fixed event to be cleared - * - * RETURN: Status - * - * DESCRIPTION: Clear an ACPI event (fixed) - * - ******************************************************************************/ - -ACPI_STATUS -AcpiClearEvent ( - UINT32 Event) -{ - ACPI_STATUS Status = AE_OK; - - - ACPI_FUNCTION_TRACE (AcpiClearEvent); - - - /* 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 = AcpiSetRegister (AcpiGbl_FixedEventInfo[Event].StatusRegisterId, 1); - - return_ACPI_STATUS (Status); -} - -ACPI_EXPORT_SYMBOL (AcpiClearEvent) - - -/******************************************************************************* - * - * FUNCTION: AcpiClearGpe - * - * PARAMETERS: GpeDevice - Parent GPE Device - * GpeNumber - GPE level within the GPE block - * Flags - Called from an ISR or not - * - * RETURN: Status - * - * DESCRIPTION: Clear an ACPI event (general purpose) - * - ******************************************************************************/ - -ACPI_STATUS -AcpiClearGpe ( - ACPI_HANDLE GpeDevice, - UINT32 GpeNumber, - UINT32 Flags) -{ - ACPI_STATUS Status = AE_OK; - ACPI_GPE_EVENT_INFO *GpeEventInfo; - - - ACPI_FUNCTION_TRACE (AcpiClearGpe); - - - /* Use semaphore lock if not executing at interrupt level */ - - if (Flags & ACPI_NOT_ISR) - { - Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - } - - /* Ensure that we have a valid GPE number */ - - GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber); - if (!GpeEventInfo) - { - Status = AE_BAD_PARAMETER; - goto UnlockAndExit; - } - - Status = AcpiHwClearGpe (GpeEventInfo); - -UnlockAndExit: - if (Flags & ACPI_NOT_ISR) - { - (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS); - } - return_ACPI_STATUS (Status); -} - -ACPI_EXPORT_SYMBOL (AcpiClearGpe) - - -/******************************************************************************* - * - * FUNCTION: AcpiGetEventStatus - * - * PARAMETERS: Event - The fixed event - * EventStatus - Where the current status of the event will - * be returned - * - * RETURN: Status - * - * DESCRIPTION: Obtains and returns the current status of the event - * - ******************************************************************************/ - -ACPI_STATUS -AcpiGetEventStatus ( - UINT32 Event, - ACPI_EVENT_STATUS *EventStatus) -{ - ACPI_STATUS Status = AE_OK; - - - ACPI_FUNCTION_TRACE (AcpiGetEventStatus); - - - if (!EventStatus) - { - 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 = AcpiGetRegister (AcpiGbl_FixedEventInfo[Event].StatusRegisterId, - EventStatus); - - return_ACPI_STATUS (Status); -} - -ACPI_EXPORT_SYMBOL (AcpiGetEventStatus) - - -/******************************************************************************* - * - * FUNCTION: AcpiGetGpeStatus - * - * PARAMETERS: GpeDevice - Parent GPE Device - * GpeNumber - GPE level within the GPE block - * Flags - Called from an ISR or not - * EventStatus - Where the current status of the event will - * be returned - * - * RETURN: Status - * - * DESCRIPTION: Get status of an event (general purpose) - * - ******************************************************************************/ - -ACPI_STATUS -AcpiGetGpeStatus ( - ACPI_HANDLE GpeDevice, - UINT32 GpeNumber, - UINT32 Flags, - ACPI_EVENT_STATUS *EventStatus) -{ - ACPI_STATUS Status = AE_OK; - ACPI_GPE_EVENT_INFO *GpeEventInfo; - - - ACPI_FUNCTION_TRACE (AcpiGetGpeStatus); - - - /* Use semaphore lock if not executing at interrupt level */ - - if (Flags & ACPI_NOT_ISR) - { - Status = AcpiUtAcquireMutex (ACPI_MTX_EVENTS); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - } - - /* Ensure that we have a valid GPE number */ - - GpeEventInfo = AcpiEvGetGpeEventInfo (GpeDevice, GpeNumber); - if (!GpeEventInfo) - { - Status = AE_BAD_PARAMETER; - goto UnlockAndExit; - } - - /* Obtain status on the requested GPE number */ - - Status = AcpiHwGetGpeStatus (GpeEventInfo, EventStatus); - -UnlockAndExit: - if (Flags & ACPI_NOT_ISR) - { - (void) AcpiUtReleaseMutex (ACPI_MTX_EVENTS); - } - return_ACPI_STATUS (Status); -} - -ACPI_EXPORT_SYMBOL (AcpiGetGpeStatus) - - -/******************************************************************************* - * - * FUNCTION: AcpiInstallGpeBlock - * - * PARAMETERS: GpeDevice - Handle to the parent GPE Block Device - * GpeBlockAddress - Address and SpaceID - * RegisterCount - Number of GPE register pairs in the block - * InterruptNumber - H/W interrupt for the block - * - * RETURN: Status - * - * DESCRIPTION: Create and Install a block of GPE registers - * - ******************************************************************************/ - -ACPI_STATUS -AcpiInstallGpeBlock ( - ACPI_HANDLE GpeDevice, - ACPI_GENERIC_ADDRESS *GpeBlockAddress, - UINT32 RegisterCount, - UINT32 InterruptNumber) -{ - ACPI_STATUS Status; - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_NAMESPACE_NODE *Node; - ACPI_GPE_BLOCK_INFO *GpeBlock; - - - ACPI_FUNCTION_TRACE (AcpiInstallGpeBlock); - - - if ((!GpeDevice) || - (!GpeBlockAddress) || - (!RegisterCount)) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - - Node = AcpiNsMapHandleToNode (GpeDevice); - if (!Node) - { - Status = AE_BAD_PARAMETER; - goto UnlockAndExit; - } - - /* - * For user-installed GPE Block Devices, the GpeBlockBaseNumber - * is always zero - */ - Status = AcpiEvCreateGpeBlock (Node, GpeBlockAddress, RegisterCount, - 0, InterruptNumber, &GpeBlock); - if (ACPI_FAILURE (Status)) - { - goto UnlockAndExit; - } - - /* Run the _PRW methods and enable the GPEs */ - - Status = AcpiEvInitializeGpeBlock (Node, GpeBlock); - if (ACPI_FAILURE (Status)) - { - goto UnlockAndExit; - } - - /* Get the DeviceObject attached to the node */ - - ObjDesc = AcpiNsGetAttachedObject (Node); - if (!ObjDesc) - { - /* No object, create a new one */ - - ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_DEVICE); - if (!ObjDesc) - { - Status = AE_NO_MEMORY; - goto UnlockAndExit; - } - - Status = AcpiNsAttachObject (Node, ObjDesc, ACPI_TYPE_DEVICE); - - /* Remove local reference to the object */ - - AcpiUtRemoveReference (ObjDesc); - - if (ACPI_FAILURE (Status)) - { - goto UnlockAndExit; - } - } - - /* Install the GPE block in the DeviceObject */ - - ObjDesc->Device.GpeBlock = GpeBlock; - - -UnlockAndExit: - (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); - return_ACPI_STATUS (Status); -} - -ACPI_EXPORT_SYMBOL (AcpiInstallGpeBlock) - - -/******************************************************************************* - * - * FUNCTION: AcpiRemoveGpeBlock - * - * PARAMETERS: GpeDevice - Handle to the parent GPE Block Device - * - * RETURN: Status - * - * DESCRIPTION: Remove a previously installed block of GPE registers - * - ******************************************************************************/ - -ACPI_STATUS -AcpiRemoveGpeBlock ( - ACPI_HANDLE GpeDevice) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_STATUS Status; - ACPI_NAMESPACE_NODE *Node; - - - ACPI_FUNCTION_TRACE (AcpiRemoveGpeBlock); - - - if (!GpeDevice) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - - Node = AcpiNsMapHandleToNode (GpeDevice); - if (!Node) - { - Status = AE_BAD_PARAMETER; - goto UnlockAndExit; - } - - /* Get the DeviceObject attached to the node */ - - ObjDesc = AcpiNsGetAttachedObject (Node); - if (!ObjDesc || - !ObjDesc->Device.GpeBlock) - { - return_ACPI_STATUS (AE_NULL_OBJECT); - } - - /* Delete the GPE block (but not the DeviceObject) */ - - Status = AcpiEvDeleteGpeBlock (ObjDesc->Device.GpeBlock); - if (ACPI_SUCCESS (Status)) - { - ObjDesc->Device.GpeBlock = NULL; - } - -UnlockAndExit: - (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); - return_ACPI_STATUS (Status); -} - -ACPI_EXPORT_SYMBOL (AcpiRemoveGpeBlock) - |