369 lines
12 KiB
C
369 lines
12 KiB
C
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/******************************************************************************
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*
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* Module Name: utinit - Common ACPI subsystem initialization
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* xRevision: 1.126 $
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2006, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: utinit.c,v 1.1 2006/03/23 13:36:32 kochi Exp $");
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#define __UTINIT_C__
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#include "acpi.h"
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#include "acnamesp.h"
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#include "acevents.h"
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#define _COMPONENT ACPI_UTILITIES
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ACPI_MODULE_NAME ("utinit")
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/* Local prototypes */
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static void
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AcpiUtFadtRegisterError (
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const char *RegisterName,
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UINT32 Value,
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ACPI_SIZE Offset);
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static void AcpiUtTerminate (
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void);
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtFadtRegisterError
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*
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* PARAMETERS: RegisterName - Pointer to string identifying register
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* Value - Actual register contents value
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* Offset - Byte offset in the FADT
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*
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* RETURN: AE_BAD_VALUE
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*
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* DESCRIPTION: Display failure message
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*
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******************************************************************************/
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static void
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AcpiUtFadtRegisterError (
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const char *RegisterName,
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UINT32 Value,
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ACPI_SIZE Offset)
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{
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ACPI_WARNING ((AE_INFO,
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"Invalid FADT value %s=%X at offset %X FADT=%p",
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RegisterName, Value, (UINT32) Offset, AcpiGbl_FADT));
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiUtValidateFadt
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*
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* PARAMETERS: None
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*
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* RETURN: Status
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*
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* DESCRIPTION: Validate various ACPI registers in the FADT
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiUtValidateFadt (
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void)
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{
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/*
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* Verify Fixed ACPI Description Table fields,
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* but don't abort on any problems, just display error
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*/
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if (AcpiGbl_FADT->Pm1EvtLen < 4)
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{
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AcpiUtFadtRegisterError ("PM1_EVT_LEN",
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(UINT32) AcpiGbl_FADT->Pm1EvtLen,
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ACPI_FADT_OFFSET (Pm1EvtLen));
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}
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if (!AcpiGbl_FADT->Pm1CntLen)
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{
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AcpiUtFadtRegisterError ("PM1_CNT_LEN", 0,
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ACPI_FADT_OFFSET (Pm1CntLen));
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}
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if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm1aEvtBlk.Address))
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{
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AcpiUtFadtRegisterError ("X_PM1a_EVT_BLK", 0,
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ACPI_FADT_OFFSET (XPm1aEvtBlk.Address));
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}
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if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm1aCntBlk.Address))
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{
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AcpiUtFadtRegisterError ("X_PM1a_CNT_BLK", 0,
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ACPI_FADT_OFFSET (XPm1aCntBlk.Address));
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}
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if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPmTmrBlk.Address))
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{
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AcpiUtFadtRegisterError ("X_PM_TMR_BLK", 0,
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ACPI_FADT_OFFSET (XPmTmrBlk.Address));
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}
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if ((ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm2CntBlk.Address) &&
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!AcpiGbl_FADT->Pm2CntLen))
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{
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AcpiUtFadtRegisterError ("PM2_CNT_LEN",
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(UINT32) AcpiGbl_FADT->Pm2CntLen,
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ACPI_FADT_OFFSET (Pm2CntLen));
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}
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if (AcpiGbl_FADT->PmTmLen < 4)
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{
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AcpiUtFadtRegisterError ("PM_TM_LEN",
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(UINT32) AcpiGbl_FADT->PmTmLen,
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ACPI_FADT_OFFSET (PmTmLen));
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}
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/* Length of GPE blocks must be a multiple of 2 */
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if (ACPI_VALID_ADDRESS (AcpiGbl_FADT->XGpe0Blk.Address) &&
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(AcpiGbl_FADT->Gpe0BlkLen & 1))
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{
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AcpiUtFadtRegisterError ("(x)GPE0_BLK_LEN",
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(UINT32) AcpiGbl_FADT->Gpe0BlkLen,
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ACPI_FADT_OFFSET (Gpe0BlkLen));
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}
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if (ACPI_VALID_ADDRESS (AcpiGbl_FADT->XGpe1Blk.Address) &&
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(AcpiGbl_FADT->Gpe1BlkLen & 1))
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{
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AcpiUtFadtRegisterError ("(x)GPE1_BLK_LEN",
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(UINT32) AcpiGbl_FADT->Gpe1BlkLen,
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ACPI_FADT_OFFSET (Gpe1BlkLen));
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}
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return (AE_OK);
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}
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/******************************************************************************
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*
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* FUNCTION: AcpiUtTerminate
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*
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* PARAMETERS: none
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*
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* RETURN: none
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*
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* DESCRIPTION: Free global memory
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*
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******************************************************************************/
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static void
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AcpiUtTerminate (
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void)
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{
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ACPI_GPE_BLOCK_INFO *GpeBlock;
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ACPI_GPE_BLOCK_INFO *NextGpeBlock;
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ACPI_GPE_XRUPT_INFO *GpeXruptInfo;
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ACPI_GPE_XRUPT_INFO *NextGpeXruptInfo;
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ACPI_FUNCTION_TRACE ("UtTerminate");
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/* Free global tables, etc. */
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/* Free global GPE blocks and related info structures */
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GpeXruptInfo = AcpiGbl_GpeXruptListHead;
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while (GpeXruptInfo)
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{
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GpeBlock = GpeXruptInfo->GpeBlockListHead;
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while (GpeBlock)
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{
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NextGpeBlock = GpeBlock->Next;
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ACPI_MEM_FREE (GpeBlock->EventInfo);
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ACPI_MEM_FREE (GpeBlock->RegisterInfo);
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ACPI_MEM_FREE (GpeBlock);
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GpeBlock = NextGpeBlock;
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}
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NextGpeXruptInfo = GpeXruptInfo->Next;
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ACPI_MEM_FREE (GpeXruptInfo);
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GpeXruptInfo = NextGpeXruptInfo;
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}
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return_VOID;
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiUtSubsystemShutdown
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*
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* PARAMETERS: none
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*
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* RETURN: none
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*
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* DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex
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* objects here -- because the AML debugger may be still running.
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*
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******************************************************************************/
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void
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AcpiUtSubsystemShutdown (
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void)
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{
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ACPI_FUNCTION_TRACE ("UtSubsystemShutdown");
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/* Just exit if subsystem is already shutdown */
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if (AcpiGbl_Shutdown)
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{
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ACPI_ERROR ((AE_INFO,
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"ACPI Subsystem is already terminated"));
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return_VOID;
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}
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/* Subsystem appears active, go ahead and shut it down */
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AcpiGbl_Shutdown = TRUE;
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ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
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"Shutting down ACPI Subsystem\n"));
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/* Close the AcpiEvent Handling */
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AcpiEvTerminate ();
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/* Close the Namespace */
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AcpiNsTerminate ();
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/* Close the globals */
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AcpiUtTerminate ();
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/* Purge the local caches */
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(void) AcpiUtDeleteCaches ();
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/* Debug only - display leftover memory allocation, if any */
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#ifdef ACPI_DBG_TRACK_ALLOCATIONS
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AcpiUtDumpAllocations (ACPI_UINT32_MAX, NULL);
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#endif
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return_VOID;
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}
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