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Diffstat (limited to 'sys/contrib/dev/acpica/utxface.c')
| -rw-r--r-- | sys/contrib/dev/acpica/utxface.c | 529 |
1 files changed, 529 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/utxface.c b/sys/contrib/dev/acpica/utxface.c new file mode 100644 index 0000000000000..3e8e8d7357ca5 --- /dev/null +++ b/sys/contrib/dev/acpica/utxface.c @@ -0,0 +1,529 @@ +/****************************************************************************** + * + * Module Name: cmxface - External interfaces for "global" ACPI functions + * $Revision: 51 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999, 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 __CMXFACE_C__ + +#include "acpi.h" +#include "acevents.h" +#include "achware.h" +#include "acnamesp.h" +#include "acinterp.h" +#include "amlcode.h" +#include "acdebug.h" + + +#define _COMPONENT MISCELLANEOUS + MODULE_NAME ("cmxface") + + +/******************************************************************************* + * + * 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; + + + FUNCTION_TRACE ("AcpiInitializeSubsystem"); + + DEBUG_PRINT_RAW (ACPI_OK, + ("ACPI Subsystem version [%s]\n", ACPI_CA_VERSION)); + DEBUG_PRINT (ACPI_INFO, ("Initializing ACPI Subsystem...\n")); + + + /* Initialize all globals used by the subsystem */ + + AcpiCmInitGlobals (); + + /* Initialize the OS-Dependent layer */ + + Status = AcpiOsInitialize (); + if (ACPI_FAILURE (Status)) + { + REPORT_ERROR (("OSD failed to initialize, %s\n", + AcpiCmFormatException (Status))); + return_ACPI_STATUS (Status); + } + + /* Create the default mutex objects */ + + Status = AcpiCmMutexInitialize (); + if (ACPI_FAILURE (Status)) + { + REPORT_ERROR (("Global mutex creation failure, %s\n", + AcpiCmFormatException (Status))); + return_ACPI_STATUS (Status); + } + + /* + * Initialize the namespace manager and + * the root of the namespace tree + */ + + Status = AcpiNsRootInitialize (); + if (ACPI_FAILURE (Status)) + { + REPORT_ERROR (("Namespace initialization failure, %s\n", + AcpiCmFormatException (Status))); + return_ACPI_STATUS (Status); + } + + + /* If configured, initialize the AML debugger */ + + DEBUGGER_EXEC (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; + + + FUNCTION_TRACE ("AcpiEnableSubsystem"); + + + /* Sanity check the FACP for valid values */ + + Status = AcpiCmValidateFacp (); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * 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)) + { + DEBUG_PRINT (TRACE_EXEC, ("[Init] Installing default address space handlers\n")); + + Status = AcpiEvInstallDefaultAddressSpaceHandlers (); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + /* + * We must initialize the hardware before we can enable ACPI. + */ + + if (!(Flags & ACPI_NO_HARDWARE_INIT)) + { + DEBUG_PRINT (TRACE_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)) + { + DEBUG_PRINT (TRACE_EXEC, ("[Init] Going into ACPI mode\n")); + + AcpiEnable (); + } + + /* + * 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)) + { + DEBUG_PRINT (TRACE_EXEC, ("[Init] Initializing ACPI events\n")); + + Status = AcpiEvInitialize (); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + + /* + * Initialize all device objects in the namespace + * This runs the _STA, _INI, and _HID methods, and detects + * the PCI root bus(es) + */ + + if (!(Flags & ACPI_NO_DEVICE_INIT)) + { + DEBUG_PRINT (TRACE_EXEC, ("[Init] Initializing ACPI Devices\n")); + + Status = AcpiNsInitializeDevices (Flags & ACPI_NO_PCI_INIT); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + + /* + * Initialize the objects that remain unitialized. This + * runs the executable AML that is part of the declaration of OpRegions + * and Fields. + */ + + if (!(Flags & ACPI_NO_OBJECT_INIT)) + { + DEBUG_PRINT (TRACE_EXEC, ("[Init] Initializing ACPI Objects\n")); + + Status = AcpiNsInitializeObjects (); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiTerminate + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Shutdown the ACPI subsystem. Release all resources. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiTerminate (void) +{ + + FUNCTION_TRACE ("AcpiTerminate"); + + /* Terminate the AML Debuger if present */ + + AcpiGbl_DbTerminateThreads = TRUE; + + /* TBD: [Investigate] This is no longer needed?*/ +/* AcpiCmReleaseMutex (ACPI_MTX_DEBUG_CMD_READY); */ + + + /* Shutdown and free all resources */ + + AcpiCmSubsystemShutdown (); + + + /* Free the mutex objects */ + + AcpiCmMutexTerminate (); + + + /* Now we can shutdown the OS-dependent layer */ + + AcpiOsTerminate (); + + return_ACPI_STATUS (AE_OK); +} + + +/****************************************************************************** + * + * 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; + + + FUNCTION_TRACE ("AcpiGetSystemInfo"); + + + /* + * Must have a valid buffer + */ + if ((!OutBuffer) || + (!OutBuffer->Pointer)) + { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + if (OutBuffer->Length < sizeof (ACPI_SYSTEM_INFO)) + { + /* + * Caller's buffer is too small + */ + OutBuffer->Length = sizeof (ACPI_SYSTEM_INFO); + + return_ACPI_STATUS (AE_BUFFER_OVERFLOW); + } + + + /* + * Set return length and get data + */ + OutBuffer->Length = sizeof (ACPI_SYSTEM_INFO); + InfoPtr = (ACPI_SYSTEM_INFO *) OutBuffer->Pointer; + + /* TBD [Future]: need a version number, or use the version string */ + InfoPtr->AcpiCaVersion = 0x1234; + + /* System flags (ACPI capabilities) */ + + InfoPtr->Flags = AcpiGbl_SystemFlags; + + /* Timer resolution - 24 or 32 bits */ + + InfoPtr->TimerResolution = AcpiHwPmtResolution (); + + /* 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: AcpiFormatException + * + * PARAMETERS: OutBuffer - a pointer to a buffer to receive the + * exception name + * + * RETURN: Status - the status of the call + * + * DESCRIPTION: This function translates an ACPI exception into an ASCII string. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiFormatException ( + ACPI_STATUS Exception, + ACPI_BUFFER *OutBuffer) +{ + UINT32 Length; + NATIVE_CHAR *FormattedException; + + + FUNCTION_TRACE ("AcpiFormatException"); + + + /* + * Must have a valid buffer + */ + if ((!OutBuffer) || + (!OutBuffer->Pointer)) + { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + + /* Convert the exception code (Handles bad exception codes) */ + + FormattedException = AcpiCmFormatException (Exception); + + /* + * Get length of string and check if it will fit in caller's buffer + */ + + Length = STRLEN (FormattedException); + if (OutBuffer->Length < Length) + { + OutBuffer->Length = Length; + return_ACPI_STATUS (AE_BUFFER_OVERFLOW); + } + + + /* Copy the string, all done */ + + STRCPY (OutBuffer->Pointer, FormattedException); + + return_ACPI_STATUS (AE_OK); +} + |