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Diffstat (limited to 'sys/contrib/dev/acpica/utxface.c')
| -rw-r--r-- | sys/contrib/dev/acpica/utxface.c | 602 |
1 files changed, 602 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/utxface.c b/sys/contrib/dev/acpica/utxface.c new file mode 100644 index 0000000..99c312c --- /dev/null +++ b/sys/contrib/dev/acpica/utxface.c @@ -0,0 +1,602 @@ +/****************************************************************************** + * + * Module Name: utxface - External interfaces for "global" ACPI functions + * $Revision: 100 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2002, 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 __UTXFACE_C__ + +#include "acpi.h" +#include "acevents.h" +#include "acnamesp.h" +#include "acparser.h" +#include "acdispat.h" +#include "acdebug.h" + +#define _COMPONENT ACPI_UTILITIES + ACPI_MODULE_NAME ("utxface") + + +/******************************************************************************* + * + * FUNCTION: AcpiInitializeSubsystem + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Initializes all global variables. This is the first function + * called, so any early initialization belongs here. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiInitializeSubsystem ( + void) +{ + ACPI_STATUS Status; + + ACPI_FUNCTION_TRACE ("AcpiInitializeSubsystem"); + + + ACPI_DEBUG_EXEC (AcpiUtInitStackPtrTrace ()); + + + /* Initialize all globals used by the subsystem */ + + AcpiUtInitGlobals (); + + /* Initialize the OS-Dependent layer */ + + Status = AcpiOsInitialize (); + if (ACPI_FAILURE (Status)) + { + ACPI_REPORT_ERROR (("OSD failed to initialize, %s\n", + AcpiFormatException (Status))); + return_ACPI_STATUS (Status); + } + + /* Create the default mutex objects */ + + Status = AcpiUtMutexInitialize (); + if (ACPI_FAILURE (Status)) + { + ACPI_REPORT_ERROR (("Global mutex creation failure, %s\n", + AcpiFormatException (Status))); + return_ACPI_STATUS (Status); + } + + /* + * Initialize the namespace manager and + * the root of the namespace tree + */ + + Status = AcpiNsRootInitialize (); + if (ACPI_FAILURE (Status)) + { + ACPI_REPORT_ERROR (("Namespace initialization failure, %s\n", + AcpiFormatException (Status))); + return_ACPI_STATUS (Status); + } + + + /* If configured, initialize the AML debugger */ + + ACPI_DEBUGGER_EXEC (Status = AcpiDbInitialize ()); + + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiEnableSubsystem + * + * PARAMETERS: Flags - Init/enable Options + * + * RETURN: Status + * + * DESCRIPTION: Completes the subsystem initialization including hardware. + * Puts system into ACPI mode if it isn't already. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiEnableSubsystem ( + UINT32 Flags) +{ + ACPI_STATUS Status = AE_OK; + + + ACPI_FUNCTION_TRACE ("AcpiEnableSubsystem"); + + + /* + * Install the default OpRegion handlers. These are installed unless + * other handlers have already been installed via the + * InstallAddressSpaceHandler interface + */ + if (!(Flags & ACPI_NO_ADDRESS_SPACE_INIT)) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Installing default address space handlers\n")); + + Status = AcpiEvInitAddressSpaces (); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + /* + * We must initialize the hardware before we can enable ACPI. + * FADT values are validated here. + */ + if (!(Flags & ACPI_NO_HARDWARE_INIT)) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Initializing ACPI hardware\n")); + + Status = AcpiHwInitialize (); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + /* + * Enable ACPI on this platform + */ + if (!(Flags & ACPI_NO_ACPI_ENABLE)) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Going into ACPI mode\n")); + + AcpiGbl_OriginalMode = AcpiHwGetMode(); + + Status = AcpiEnable (); + if (ACPI_FAILURE (Status)) + { + ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "AcpiEnable failed.\n")); + return_ACPI_STATUS (Status); + } + } + + /* + * Note: + * We must have the hardware AND events initialized before we can execute + * ANY control methods SAFELY. Any control method can require ACPI hardware + * support, so the hardware MUST be initialized before execution! + */ + if (!(Flags & ACPI_NO_EVENT_INIT)) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Initializing ACPI events\n")); + + Status = AcpiEvInitialize (); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + /* Install SCI handler, Global Lock handler, GPE handlers */ + + if (!(Flags & ACPI_NO_HANDLER_INIT)) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Installing SCI/GL/GPE handlers\n")); + + Status = AcpiEvHandlerInitialize (); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + return_ACPI_STATUS (Status); +} + +/******************************************************************************* + * + * FUNCTION: AcpiInitializeObjects + * + * PARAMETERS: Flags - Init/enable Options + * + * RETURN: Status + * + * DESCRIPTION: Completes namespace initialization by initializing device + * objects and executing AML code for Regions, buffers, etc. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiInitializeObjects ( + UINT32 Flags) +{ + ACPI_STATUS Status = AE_OK; + + + ACPI_FUNCTION_TRACE ("AcpiInitializeObjects"); + + /* + * Initialize all device objects in the namespace + * This runs the _STA and _INI methods. + */ + if (!(Flags & ACPI_NO_DEVICE_INIT)) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Initializing ACPI Devices\n")); + + Status = AcpiNsInitializeDevices (); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + /* + * Initialize the objects that remain uninitialized. This + * runs the executable AML that is part of the declaration of OpRegions + * and Fields. + */ + if (!(Flags & ACPI_NO_OBJECT_INIT)) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Initializing ACPI Objects\n")); + + Status = AcpiNsInitializeObjects (); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + /* + * Empty the caches (delete the cached objects) on the assumption that + * the table load filled them up more than they will be at runtime -- + * thus wasting non-paged memory. + */ + Status = AcpiPurgeCachedObjects (); + + AcpiGbl_StartupFlags |= ACPI_INITIALIZED_OK; + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTerminate + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Shutdown the ACPI subsystem. Release all resources. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTerminate (void) +{ + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE ("AcpiTerminate"); + + + /* Terminate the AML Debugger if present */ + + ACPI_DEBUGGER_EXEC(AcpiGbl_DbTerminateThreads = TRUE); + + /* Shutdown and free all resources */ + + AcpiUtSubsystemShutdown (); + + + /* Free the mutex objects */ + + AcpiUtMutexTerminate (); + + +#ifdef ACPI_DEBUGGER + + /* Shut down the debugger */ + + AcpiDbTerminate (); +#endif + + /* Now we can shutdown the OS-dependent layer */ + + Status = AcpiOsTerminate (); + return_ACPI_STATUS (Status); +} + + +/***************************************************************************** + * + * FUNCTION: AcpiSubsystemStatus + * + * PARAMETERS: None + * + * RETURN: Status of the ACPI subsystem + * + * DESCRIPTION: Other drivers that use the ACPI subsystem should call this + * before making any other calls, to ensure the subsystem initial- + * ized successfully. + * + ****************************************************************************/ + +ACPI_STATUS +AcpiSubsystemStatus (void) +{ + if (AcpiGbl_StartupFlags & ACPI_INITIALIZED_OK) + { + return (AE_OK); + } + else + { + return (AE_ERROR); + } +} + + +/****************************************************************************** + * + * FUNCTION: AcpiGetSystemInfo + * + * PARAMETERS: OutBuffer - a pointer to a buffer to receive the + * resources for the device + * BufferLength - the number of bytes available in the buffer + * + * RETURN: Status - the status of the call + * + * DESCRIPTION: This function is called to get information about the current + * state of the ACPI subsystem. It will return system information + * in the OutBuffer. + * + * If the function fails an appropriate status will be returned + * and the value of OutBuffer is undefined. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiGetSystemInfo ( + ACPI_BUFFER *OutBuffer) +{ + ACPI_SYSTEM_INFO *InfoPtr; + UINT32 i; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE ("AcpiGetSystemInfo"); + + + /* Parameter validation */ + + Status = AcpiUtValidateBuffer (OutBuffer); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Validate/Allocate/Clear caller buffer */ + + Status = AcpiUtInitializeBuffer (OutBuffer, sizeof (ACPI_SYSTEM_INFO)); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * Populate the return buffer + */ + InfoPtr = (ACPI_SYSTEM_INFO *) OutBuffer->Pointer; + + InfoPtr->AcpiCaVersion = ACPI_CA_VERSION; + + /* System flags (ACPI capabilities) */ + + InfoPtr->Flags = ACPI_SYS_MODE_ACPI; + + /* Timer resolution - 24 or 32 bits */ + + if (!AcpiGbl_FADT) + { + InfoPtr->TimerResolution = 0; + } + else if (AcpiGbl_FADT->TmrValExt == 0) + { + InfoPtr->TimerResolution = 24; + } + else + { + InfoPtr->TimerResolution = 32; + } + + /* Clear the reserved fields */ + + InfoPtr->Reserved1 = 0; + InfoPtr->Reserved2 = 0; + + /* Current debug levels */ + + InfoPtr->DebugLayer = AcpiDbgLayer; + InfoPtr->DebugLevel = AcpiDbgLevel; + + /* Current status of the ACPI tables, per table type */ + + InfoPtr->NumTableTypes = NUM_ACPI_TABLES; + for (i = 0; i < NUM_ACPI_TABLES; i++) + { + InfoPtr->TableInfo[i].Count = AcpiGbl_AcpiTables[i].Count; + } + + return_ACPI_STATUS (AE_OK); +} + + +/***************************************************************************** + * + * FUNCTION: AcpiInstallInitializationHandler + * + * PARAMETERS: Handler - Callback procedure + * + * RETURN: Status + * + * DESCRIPTION: Install an initialization handler + * + * TBD: When a second function is added, must save the Function also. + * + ****************************************************************************/ + +ACPI_STATUS +AcpiInstallInitializationHandler ( + ACPI_INIT_HANDLER Handler, + UINT32 Function) +{ + + if (!Handler) + { + return (AE_BAD_PARAMETER); + } + + if (AcpiGbl_InitHandler) + { + return (AE_ALREADY_EXISTS); + } + + AcpiGbl_InitHandler = Handler; + return AE_OK; +} + + +/***************************************************************************** + * + * FUNCTION: AcpiPurgeCachedObjects + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Empty all caches (delete the cached objects) + * + ****************************************************************************/ + +ACPI_STATUS +AcpiPurgeCachedObjects (void) +{ + ACPI_FUNCTION_TRACE ("AcpiPurgeCachedObjects"); + + + AcpiUtDeleteGenericStateCache (); + AcpiUtDeleteObjectCache (); + AcpiDsDeleteWalkStateCache (); + AcpiPsDeleteParseCache (); + + return_ACPI_STATUS (AE_OK); +} |
