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NetBSD/sys/dist/acpica/utinit.c

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/******************************************************************************
*
* Module Name: utinit - Common ACPI subsystem initialization
* xRevision: 1.126 $
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2006, 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.
*
*****************************************************************************/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: utinit.c,v 1.1 2006/03/23 13:36:32 kochi Exp $");
#define __UTINIT_C__
#include "acpi.h"
#include "acnamesp.h"
#include "acevents.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utinit")
/* Local prototypes */
static void
AcpiUtFadtRegisterError (
const char *RegisterName,
UINT32 Value,
ACPI_SIZE Offset);
static void AcpiUtTerminate (
void);
/*******************************************************************************
*
* FUNCTION: AcpiUtFadtRegisterError
*
* PARAMETERS: RegisterName - Pointer to string identifying register
* Value - Actual register contents value
* Offset - Byte offset in the FADT
*
* RETURN: AE_BAD_VALUE
*
* DESCRIPTION: Display failure message
*
******************************************************************************/
static void
AcpiUtFadtRegisterError (
const char *RegisterName,
UINT32 Value,
ACPI_SIZE Offset)
{
ACPI_WARNING ((AE_INFO,
"Invalid FADT value %s=%X at offset %X FADT=%p",
RegisterName, Value, (UINT32) Offset, AcpiGbl_FADT));
}
/******************************************************************************
*
* FUNCTION: AcpiUtValidateFadt
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Validate various ACPI registers in the FADT
*
******************************************************************************/
ACPI_STATUS
AcpiUtValidateFadt (
void)
{
/*
* Verify Fixed ACPI Description Table fields,
* but don't abort on any problems, just display error
*/
if (AcpiGbl_FADT->Pm1EvtLen < 4)
{
AcpiUtFadtRegisterError ("PM1_EVT_LEN",
(UINT32) AcpiGbl_FADT->Pm1EvtLen,
ACPI_FADT_OFFSET (Pm1EvtLen));
}
if (!AcpiGbl_FADT->Pm1CntLen)
{
AcpiUtFadtRegisterError ("PM1_CNT_LEN", 0,
ACPI_FADT_OFFSET (Pm1CntLen));
}
if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm1aEvtBlk.Address))
{
AcpiUtFadtRegisterError ("X_PM1a_EVT_BLK", 0,
ACPI_FADT_OFFSET (XPm1aEvtBlk.Address));
}
if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm1aCntBlk.Address))
{
AcpiUtFadtRegisterError ("X_PM1a_CNT_BLK", 0,
ACPI_FADT_OFFSET (XPm1aCntBlk.Address));
}
if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPmTmrBlk.Address))
{
AcpiUtFadtRegisterError ("X_PM_TMR_BLK", 0,
ACPI_FADT_OFFSET (XPmTmrBlk.Address));
}
if ((ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm2CntBlk.Address) &&
!AcpiGbl_FADT->Pm2CntLen))
{
AcpiUtFadtRegisterError ("PM2_CNT_LEN",
(UINT32) AcpiGbl_FADT->Pm2CntLen,
ACPI_FADT_OFFSET (Pm2CntLen));
}
if (AcpiGbl_FADT->PmTmLen < 4)
{
AcpiUtFadtRegisterError ("PM_TM_LEN",
(UINT32) AcpiGbl_FADT->PmTmLen,
ACPI_FADT_OFFSET (PmTmLen));
}
/* Length of GPE blocks must be a multiple of 2 */
if (ACPI_VALID_ADDRESS (AcpiGbl_FADT->XGpe0Blk.Address) &&
(AcpiGbl_FADT->Gpe0BlkLen & 1))
{
AcpiUtFadtRegisterError ("(x)GPE0_BLK_LEN",
(UINT32) AcpiGbl_FADT->Gpe0BlkLen,
ACPI_FADT_OFFSET (Gpe0BlkLen));
}
if (ACPI_VALID_ADDRESS (AcpiGbl_FADT->XGpe1Blk.Address) &&
(AcpiGbl_FADT->Gpe1BlkLen & 1))
{
AcpiUtFadtRegisterError ("(x)GPE1_BLK_LEN",
(UINT32) AcpiGbl_FADT->Gpe1BlkLen,
ACPI_FADT_OFFSET (Gpe1BlkLen));
}
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiUtTerminate
*
* PARAMETERS: none
*
* RETURN: none
*
* DESCRIPTION: Free global memory
*
******************************************************************************/
static void
AcpiUtTerminate (
void)
{
ACPI_GPE_BLOCK_INFO *GpeBlock;
ACPI_GPE_BLOCK_INFO *NextGpeBlock;
ACPI_GPE_XRUPT_INFO *GpeXruptInfo;
ACPI_GPE_XRUPT_INFO *NextGpeXruptInfo;
ACPI_FUNCTION_TRACE ("UtTerminate");
/* Free global tables, etc. */
/* Free global GPE blocks and related info structures */
GpeXruptInfo = AcpiGbl_GpeXruptListHead;
while (GpeXruptInfo)
{
GpeBlock = GpeXruptInfo->GpeBlockListHead;
while (GpeBlock)
{
NextGpeBlock = GpeBlock->Next;
ACPI_MEM_FREE (GpeBlock->EventInfo);
ACPI_MEM_FREE (GpeBlock->RegisterInfo);
ACPI_MEM_FREE (GpeBlock);
GpeBlock = NextGpeBlock;
}
NextGpeXruptInfo = GpeXruptInfo->Next;
ACPI_MEM_FREE (GpeXruptInfo);
GpeXruptInfo = NextGpeXruptInfo;
}
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtSubsystemShutdown
*
* PARAMETERS: none
*
* RETURN: none
*
* DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex
* objects here -- because the AML debugger may be still running.
*
******************************************************************************/
void
AcpiUtSubsystemShutdown (
void)
{
ACPI_FUNCTION_TRACE ("UtSubsystemShutdown");
/* Just exit if subsystem is already shutdown */
if (AcpiGbl_Shutdown)
{
ACPI_ERROR ((AE_INFO,
"ACPI Subsystem is already terminated"));
return_VOID;
}
/* Subsystem appears active, go ahead and shut it down */
AcpiGbl_Shutdown = TRUE;
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"Shutting down ACPI Subsystem\n"));
/* Close the AcpiEvent Handling */
AcpiEvTerminate ();
/* Close the Namespace */
AcpiNsTerminate ();
/* Close the globals */
AcpiUtTerminate ();
/* Purge the local caches */
(void) AcpiUtDeleteCaches ();
/* Debug only - display leftover memory allocation, if any */
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
AcpiUtDumpAllocations (ACPI_UINT32_MAX, NULL);
#endif
return_VOID;
}
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