diff options
Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Events/evxface.c')
| -rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Events/evxface.c | 769 |
1 files changed, 0 insertions, 769 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Events/evxface.c b/sys/contrib/dev/acpica/Subsystem/Events/evxface.c deleted file mode 100644 index 89f9b8a2aa5bf..0000000000000 --- a/sys/contrib/dev/acpica/Subsystem/Events/evxface.c +++ /dev/null @@ -1,769 +0,0 @@ -/****************************************************************************** - * - * Module Name: evxface - External interfaces for ACPI events - * $Revision: 101 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999, 2000, 2001, 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 prton 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 __EVXFACE_C__ - -#include "acpi.h" -#include "achware.h" -#include "acnamesp.h" -#include "acevents.h" -#include "amlcode.h" -#include "acinterp.h" - -#define _COMPONENT EVENT_HANDLING - MODULE_NAME ("evxface") - - -/****************************************************************************** - * - * FUNCTION: AcpiInstallFixedEventHandler - * - * PARAMETERS: Event - Event type to enable. - * Handler - Pointer to the handler function for the - * event - * Context - Value passed to the handler on each GPE - * - * RETURN: Status - * - * DESCRIPTION: Saves the pointer to the handler function and then enables the - * event. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiInstallFixedEventHandler ( - UINT32 Event, - FIXED_EVENT_HANDLER Handler, - void *Context) -{ - ACPI_STATUS Status = AE_OK; - - - FUNCTION_TRACE ("AcpiInstallFixedEventHandler"); - - - /* Sanity check the parameters. */ - - if (Event >= NUM_FIXED_EVENTS) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - AcpiCmAcquireMutex (ACPI_MTX_EVENTS); - - /* Don't allow two handlers. */ - - if (NULL != AcpiGbl_FixedEventHandlers[Event].Handler) - { - Status = AE_EXIST; - goto Cleanup; - } - - - /* Install the handler before enabling the event - just in case... */ - - AcpiGbl_FixedEventHandlers[Event].Handler = Handler; - AcpiGbl_FixedEventHandlers[Event].Context = Context; - - Status = AcpiEnableEvent(Event, ACPI_EVENT_FIXED); - - if (!ACPI_SUCCESS(Status)) - { - DEBUG_PRINT (ACPI_WARN, ("Could not enable fixed event.\n")); - - /* Remove the handler */ - - AcpiGbl_FixedEventHandlers[Event].Handler = NULL; - AcpiGbl_FixedEventHandlers[Event].Context = NULL; - - Status = AE_ERROR; - goto Cleanup; - } - - DEBUG_PRINT (ACPI_INFO, - ("Enabled fixed event %X, Handler=%p\n", Event, Handler)); - - -Cleanup: - AcpiCmReleaseMutex (ACPI_MTX_EVENTS); - return_ACPI_STATUS (Status); -} - - -/****************************************************************************** - * - * FUNCTION: AcpiRemoveFixedEventHandler - * - * PARAMETERS: Event - Event type to disable. - * Handler - Address of the handler - * - * RETURN: Status - * - * DESCRIPTION: Disables the event and unregisters the event handler. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiRemoveFixedEventHandler ( - UINT32 Event, - FIXED_EVENT_HANDLER Handler) -{ - ACPI_STATUS Status = AE_OK; - - - FUNCTION_TRACE ("AcpiRemoveFixedEventHandler"); - - - /* Sanity check the parameters. */ - - if (Event >= NUM_FIXED_EVENTS) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - AcpiCmAcquireMutex (ACPI_MTX_EVENTS); - - /* Disable the event before removing the handler - just in case... */ - - Status = AcpiDisableEvent(Event, ACPI_EVENT_FIXED); - - if (!ACPI_SUCCESS(Status)) - { - DEBUG_PRINT (ACPI_WARN, - ("Could not write to fixed event enable register.\n")); - - Status = AE_ERROR; - AcpiCmReleaseMutex (ACPI_MTX_EVENTS); - return_ACPI_STATUS (Status); - } - - /* Remove the handler */ - - AcpiGbl_FixedEventHandlers[Event].Handler = NULL; - AcpiGbl_FixedEventHandlers[Event].Context = NULL; - - DEBUG_PRINT (ACPI_INFO, ("Disabled fixed event %X.\n", Event)); - - AcpiCmReleaseMutex (ACPI_MTX_EVENTS); - return_ACPI_STATUS (Status); -} - - -/****************************************************************************** - * - * FUNCTION: AcpiInstallNotifyHandler - * - * PARAMETERS: Device - The device for which notifies will be handled - * HandlerType - The type of handler: - * ACPI_SYSTEM_NOTIFY: SystemHandler (00-7f) - * ACPI_DEVICE_NOTIFY: DriverHandler (80-ff) - * Handler - Address of the handler - * Context - Value passed to the handler on each GPE - * - * RETURN: Status - * - * DESCRIPTION: Install a handler for notifies on an ACPI device - * - ******************************************************************************/ - -ACPI_STATUS -AcpiInstallNotifyHandler ( - ACPI_HANDLE Device, - UINT32 HandlerType, - NOTIFY_HANDLER Handler, - void *Context) -{ - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_OPERAND_OBJECT *NotifyObj; - ACPI_NAMESPACE_NODE *DeviceNode; - ACPI_STATUS Status = AE_OK; - - - FUNCTION_TRACE ("AcpiInstallNotifyHandler"); - - - /* Parameter validation */ - - if ((!Handler) || - (HandlerType > ACPI_MAX_NOTIFY_HANDLER_TYPE)) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - AcpiCmAcquireMutex (ACPI_MTX_NAMESPACE); - - /* Convert and validate the device handle */ - - DeviceNode = AcpiNsConvertHandleToEntry (Device); - if (!DeviceNode) - { - Status = AE_BAD_PARAMETER; - goto UnlockAndExit; - } - - /* - * Root Object: - * ------------ - * Registering a notify handler on the root object indicates that the - * caller wishes to receive notifications for all objects. Note that - * only one <external> global handler can be regsitered (per notify type). - */ - if (Device == ACPI_ROOT_OBJECT) - { - /* Make sure the handler is not already installed */ - - if (((HandlerType == ACPI_SYSTEM_NOTIFY) && - AcpiGbl_SysNotify.Handler) || - ((HandlerType == ACPI_DEVICE_NOTIFY) && - AcpiGbl_DrvNotify.Handler)) - { - Status = AE_EXIST; - goto UnlockAndExit; - } - - if (HandlerType == ACPI_SYSTEM_NOTIFY) - { - AcpiGbl_SysNotify.Node = DeviceNode; - AcpiGbl_SysNotify.Handler = Handler; - AcpiGbl_SysNotify.Context = Context; - } - else /* ACPI_DEVICE_NOTIFY */ - { - AcpiGbl_DrvNotify.Node = DeviceNode; - AcpiGbl_DrvNotify.Handler = Handler; - AcpiGbl_DrvNotify.Context = Context; - } - - /* Global notify handler installed */ - } - - /* - * Other Objects: - * -------------- - * Caller will only receive notifications specific to the target object. - * Note that only certain object types can receive notifications. - */ - else { - /* - * These are the ONLY objects that can receive ACPI notifications - */ - if ((DeviceNode->Type != ACPI_TYPE_DEVICE) && - (DeviceNode->Type != ACPI_TYPE_PROCESSOR) && - (DeviceNode->Type != ACPI_TYPE_POWER) && - (DeviceNode->Type != ACPI_TYPE_THERMAL)) - { - Status = AE_BAD_PARAMETER; - goto UnlockAndExit; - } - - /* Check for an existing internal object */ - - ObjDesc = AcpiNsGetAttachedObject ((ACPI_HANDLE) DeviceNode); - if (ObjDesc) - { - - /* Object exists - make sure there's no handler */ - - if (((HandlerType == ACPI_SYSTEM_NOTIFY) && - ObjDesc->Device.SysHandler) || - ((HandlerType == ACPI_DEVICE_NOTIFY) && - ObjDesc->Device.DrvHandler)) - { - Status = AE_EXIST; - goto UnlockAndExit; - } - } - - else - { - /* Create a new object */ - - ObjDesc = AcpiCmCreateInternalObject (DeviceNode->Type); - if (!ObjDesc) - { - Status = AE_NO_MEMORY; - goto UnlockAndExit; - } - - /* Attach new object to the Node */ - - Status = AcpiNsAttachObject (Device, ObjDesc, (UINT8) DeviceNode->Type); - - if (ACPI_FAILURE (Status)) - { - goto UnlockAndExit; - } - } - - /* Install the handler */ - - NotifyObj = AcpiCmCreateInternalObject (INTERNAL_TYPE_NOTIFY); - if (!NotifyObj) - { - Status = AE_NO_MEMORY; - goto UnlockAndExit; - } - - NotifyObj->NotifyHandler.Node = DeviceNode; - NotifyObj->NotifyHandler.Handler = Handler; - NotifyObj->NotifyHandler.Context = Context; - - - if (HandlerType == ACPI_SYSTEM_NOTIFY) - { - ObjDesc->Device.SysHandler = NotifyObj; - } - else /* ACPI_DEVICE_NOTIFY */ - { - ObjDesc->Device.DrvHandler = NotifyObj; - } - } - -UnlockAndExit: - AcpiCmReleaseMutex (ACPI_MTX_NAMESPACE); - return_ACPI_STATUS (Status); -} - - -/***************************************************************************** - * - * FUNCTION: AcpiRemoveNotifyHandler - * - * PARAMETERS: Device - The device for which notifies will be handled - * HandlerType - The type of handler: - * ACPI_SYSTEM_NOTIFY: SystemHandler (00-7f) - * ACPI_DEVICE_NOTIFY: DriverHandler (80-ff) - * Handler - Address of the handler - * RETURN: Status - * - * DESCRIPTION: Remove a handler for notifies on an ACPI device - * - ******************************************************************************/ - -ACPI_STATUS -AcpiRemoveNotifyHandler ( - ACPI_HANDLE Device, - UINT32 HandlerType, - NOTIFY_HANDLER Handler) -{ - ACPI_OPERAND_OBJECT *NotifyObj; - ACPI_OPERAND_OBJECT *ObjDesc; - ACPI_NAMESPACE_NODE *DeviceNode; - ACPI_STATUS Status = AE_OK; - - FUNCTION_TRACE ("AcpiRemoveNotifyHandler"); - - /* Parameter validation */ - - if ((!Handler) || - (HandlerType > ACPI_MAX_NOTIFY_HANDLER_TYPE)) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - AcpiCmAcquireMutex (ACPI_MTX_NAMESPACE); - - /* Convert and validate the device handle */ - - DeviceNode = AcpiNsConvertHandleToEntry (Device); - if (!DeviceNode) - { - Status = AE_BAD_PARAMETER; - goto UnlockAndExit; - } - - /* - * Root Object: - * ------------ - */ - if (Device == ACPI_ROOT_OBJECT) { - - DEBUG_PRINT(ACPI_INFO, ("Removing notify handler for ROOT object.\n")); - - if (((HandlerType == ACPI_SYSTEM_NOTIFY) && - !AcpiGbl_SysNotify.Handler) || - ((HandlerType == ACPI_DEVICE_NOTIFY) && - !AcpiGbl_DrvNotify.Handler)) - { - Status = AE_NOT_EXIST; - goto UnlockAndExit; - } - - if (HandlerType == ACPI_SYSTEM_NOTIFY) { - AcpiGbl_SysNotify.Node = NULL; - AcpiGbl_SysNotify.Handler = NULL; - AcpiGbl_SysNotify.Context = NULL; - } - else { - AcpiGbl_DrvNotify.Node = NULL; - AcpiGbl_DrvNotify.Handler = NULL; - AcpiGbl_DrvNotify.Context = NULL; - } - } - - /* - * Other Objects: - * -------------- - */ - else { - /* - * These are the ONLY objects that can receive ACPI notifications - */ - if ((DeviceNode->Type != ACPI_TYPE_DEVICE) && - (DeviceNode->Type != ACPI_TYPE_PROCESSOR) && - (DeviceNode->Type != ACPI_TYPE_POWER) && - (DeviceNode->Type != ACPI_TYPE_THERMAL)) - { - Status = AE_BAD_PARAMETER; - goto UnlockAndExit; - } - - /* Check for an existing internal object */ - - ObjDesc = AcpiNsGetAttachedObject ((ACPI_HANDLE) DeviceNode); - if (!ObjDesc) - { - Status = AE_NOT_EXIST; - goto UnlockAndExit; - } - - /* Object exists - make sure there's an existing handler */ - - if (HandlerType == ACPI_SYSTEM_NOTIFY) - { - NotifyObj = ObjDesc->Device.SysHandler; - } - else - { - NotifyObj = ObjDesc->Device.DrvHandler; - } - - if ((!NotifyObj) || - (NotifyObj->NotifyHandler.Handler != Handler)) - { - Status = AE_BAD_PARAMETER; - goto UnlockAndExit; - } - - /* Remove the handler */ - - if (HandlerType == ACPI_SYSTEM_NOTIFY) - { - ObjDesc->Device.SysHandler = NULL; - } - else - { - ObjDesc->Device.DrvHandler = NULL; - } - - AcpiCmRemoveReference (NotifyObj); - } - - -UnlockAndExit: - AcpiCmReleaseMutex (ACPI_MTX_NAMESPACE); - return_ACPI_STATUS (Status); -} - - -/****************************************************************************** - * - * FUNCTION: AcpiInstallGpeHandler - * - * PARAMETERS: GpeNumber - The GPE number. The numbering scheme is - * bank 0 first, then bank 1. - * Type - Whether this GPE should be treated as an - * edge- or level-triggered interrupt. - * Handler - Address of the handler - * Context - Value passed to the handler on each GPE - * - * RETURN: Status - * - * DESCRIPTION: Install a handler for a General Purpose Event. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiInstallGpeHandler ( - UINT32 GpeNumber, - UINT32 Type, - GPE_HANDLER Handler, - void *Context) -{ - ACPI_STATUS Status = AE_OK; - - FUNCTION_TRACE ("AcpiInstallGpeHandler"); - - /* Parameter validation */ - - if (!Handler || (GpeNumber > NUM_GPE)) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - /* Ensure that we have a valid GPE number */ - - if (AcpiGbl_GpeValid[GpeNumber] == ACPI_GPE_INVALID) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - AcpiCmAcquireMutex (ACPI_MTX_EVENTS); - - /* Make sure that there isn't a handler there already */ - - if (AcpiGbl_GpeInfo[GpeNumber].Handler) - { - Status = AE_EXIST; - goto Cleanup; - } - - /* Install the handler */ - - AcpiGbl_GpeInfo[GpeNumber].Handler = Handler; - AcpiGbl_GpeInfo[GpeNumber].Context = Context; - AcpiGbl_GpeInfo[GpeNumber].Type = (UINT8) Type; - - /* Clear the GPE (of stale events), the enable it */ - - AcpiHwClearGpe (GpeNumber); - AcpiHwEnableGpe (GpeNumber); - -Cleanup: - AcpiCmReleaseMutex (ACPI_MTX_EVENTS); - return_ACPI_STATUS (Status); -} - - -/****************************************************************************** - * - * FUNCTION: AcpiRemoveGpeHandler - * - * PARAMETERS: GpeNumber - The event to remove a handler - * Handler - Address of the handler - * - * RETURN: Status - * - * DESCRIPTION: Remove a handler for a General Purpose AcpiEvent. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiRemoveGpeHandler ( - UINT32 GpeNumber, - GPE_HANDLER Handler) -{ - ACPI_STATUS Status = AE_OK; - - - FUNCTION_TRACE ("AcpiRemoveGpeHandler"); - - - /* Parameter validation */ - - if (!Handler || (GpeNumber > NUM_GPE)) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - /* Ensure that we have a valid GPE number */ - - if (AcpiGbl_GpeValid[GpeNumber] == ACPI_GPE_INVALID) - { - return_ACPI_STATUS (AE_BAD_PARAMETER); - } - - /* Disable the GPE before removing the handler */ - - AcpiHwDisableGpe (GpeNumber); - - AcpiCmAcquireMutex (ACPI_MTX_EVENTS); - - /* Make sure that the installed handler is the same */ - - if (AcpiGbl_GpeInfo[GpeNumber].Handler != Handler) - { - AcpiHwEnableGpe (GpeNumber); - Status = AE_BAD_PARAMETER; - goto Cleanup; - } - - /* Remove the handler */ - - AcpiGbl_GpeInfo[GpeNumber].Handler = NULL; - AcpiGbl_GpeInfo[GpeNumber].Context = NULL; - -Cleanup: - AcpiCmReleaseMutex (ACPI_MTX_EVENTS); - return_ACPI_STATUS (Status); -} - - -/****************************************************************************** - * - * FUNCTION: AcpiAcquireGlobalLock - * - * PARAMETERS: Timeout - How long the caller is willing to wait - * OutHandle - A handle to the lock if acquired - * - * RETURN: Status - * - * DESCRIPTION: Acquire the ACPI Global Lock - * - ******************************************************************************/ -ACPI_STATUS -AcpiAcquireGlobalLock ( - void) -{ - ACPI_STATUS Status; - - - AcpiAmlEnterInterpreter (); - - /* - * TBD: [Restructure] add timeout param to internal interface, and - * perhaps INTERPRETER_LOCKED - */ - - Status = AcpiEvAcquireGlobalLock (); - AcpiAmlExitInterpreter (); - - return (Status); -} - - -/****************************************************************************** - * - * FUNCTION: AcpiReleaseGlobalLock - * - * PARAMETERS: Handle - Returned from AcpiAcquireGlobalLock - * - * RETURN: Status - * - * DESCRIPTION: Release the ACPI Global Lock - * - ******************************************************************************/ - -ACPI_STATUS -AcpiReleaseGlobalLock ( - void) -{ - AcpiEvReleaseGlobalLock (); - return (AE_OK); -} - - |