mirror of
https://github.com/acpica/acpica/
synced 2025-01-16 06:19:19 +03:00
e39ca69edf
Also moved the PCIContext to the events.h file. date 99.09.23.00.26.00; author rmosgrov; state Exp;
634 lines
19 KiB
C
634 lines
19 KiB
C
|
|
/******************************************************************************
|
|
*
|
|
* Module Name: nsapinam - Public interfaces to the ACPI subsystem
|
|
* ACPI Namespace oriented interfaces
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 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 __NSAPINAM_C__
|
|
|
|
#include <acpi.h>
|
|
#include <interpreter.h>
|
|
#include <namespace.h>
|
|
#include <methods.h>
|
|
#include <amlcode.h>
|
|
#include <acpiobj.h>
|
|
#include <pnp.h>
|
|
|
|
|
|
#define _THIS_MODULE "nsapinam.c"
|
|
#define _COMPONENT NAMESPACE
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiLoadNamespace
|
|
*
|
|
* PARAMETERS: DisplayAmlDuringLoad
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Load the name space from what ever is pointed to by DSDT.
|
|
* (DSDT points to either the BIOS or a buffer.)
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiLoadNamespace (
|
|
void)
|
|
{
|
|
ACPI_STATUS Status;
|
|
ACPI_HANDLE BusHandle;
|
|
|
|
|
|
FUNCTION_TRACE ("AcpiLoadNameSpace");
|
|
|
|
|
|
/* Are the tables loaded yet? */
|
|
|
|
if (Gbl_DSDT == NULL)
|
|
{
|
|
DEBUG_PRINT (ACPI_ERROR, ("DSDT is not in memory\n"));
|
|
return_ACPI_STATUS (AE_NO_ACPI_TABLES);
|
|
}
|
|
|
|
/*
|
|
* Now that the tables are loaded, finish some other initialization
|
|
*/
|
|
|
|
|
|
/* Everything OK, now init the hardware */
|
|
|
|
Status = CmHardwareInitialize ();
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/* Initialize the namespace */
|
|
|
|
Status = NsSetup ();
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*
|
|
* Load the namespace via the interpreter. The DSDT is required,
|
|
* but the SSDT and PSDT tables are optional.
|
|
*/
|
|
|
|
BREAKPOINT3;
|
|
|
|
Status = AmlLoadTable (TABLE_DSDT);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
Status = AmlLoadTable (TABLE_SSDT);
|
|
Status = AmlLoadTable (TABLE_PSDT);
|
|
|
|
|
|
DUMP_TABLES (NS_ALL, ACPI_INT_MAX);
|
|
|
|
DEBUG_PRINT (ACPI_OK, ("**** ACPI Namespace successfully loaded! [%p]\n",
|
|
Gbl_RootObject->Scope));
|
|
|
|
BREAKPOINT3;
|
|
|
|
/* Install the default OpRegion handlers */
|
|
|
|
AcpiInstallAddressSpaceHandler (Gbl_RootObject, REGION_SystemMemory, ACPI_DEFAULT_HANDLE, NULL);
|
|
AcpiInstallAddressSpaceHandler (Gbl_RootObject, REGION_SystemIO, ACPI_DEFAULT_HANDLE, NULL);
|
|
|
|
/*
|
|
Can't be any defaults till a device appears.
|
|
|
|
AcpiInstallAddressSpaceHandler (REGION_EmbeddedControl, AmlEmbeddedControllerSpaceHandler, NULL);
|
|
AcpiInstallAddressSpaceHandler (REGION_SMBus, AmlSmBusSpaceHandler, NULL);
|
|
*/
|
|
|
|
|
|
Status = AcpiPathnameToHandle("\\_SB_.PCI0", &BusHandle);
|
|
if(Status == AE_OK)
|
|
{
|
|
AcpiInstallAddressSpaceHandler (BusHandle, REGION_PCIConfig, ACPI_DEFAULT_HANDLE, (void *)0);
|
|
}
|
|
Status = AcpiPathnameToHandle("\\_SB_.PCI0.PCI3", &BusHandle);
|
|
if(Status == AE_OK)
|
|
{
|
|
AcpiInstallAddressSpaceHandler (BusHandle, REGION_PCIConfig, ACPI_DEFAULT_HANDLE, (void *)3);
|
|
}
|
|
Status = AcpiPathnameToHandle("\\_SB_.PCI1", &BusHandle);
|
|
if(Status == AE_OK)
|
|
{
|
|
AcpiInstallAddressSpaceHandler (BusHandle, REGION_PCIConfig, ACPI_DEFAULT_HANDLE, (void *)1);
|
|
}
|
|
Status = AcpiPathnameToHandle("\\_SB_.PCI2", &BusHandle);
|
|
if(Status == AE_OK)
|
|
{
|
|
AcpiInstallAddressSpaceHandler (BusHandle, REGION_PCIConfig, ACPI_DEFAULT_HANDLE, (void *)2);
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiNameToHandle
|
|
*
|
|
* PARAMETERS: Parent - Object to search under (search scope).
|
|
* Name - Pointer to an ascii string containing the name
|
|
* RetHandle - Where the return handle is placed
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: This routine will search for a caller specified name in the
|
|
* name space. The caller can restrict the search region by
|
|
* specifying a non NULL parent. The parent value is itself a
|
|
* namespace handle.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiNameToHandle (
|
|
ACPI_HANDLE Parent,
|
|
ACPI_NAME Name,
|
|
ACPI_HANDLE *RetHandle)
|
|
{
|
|
NAME_TABLE_ENTRY *ThisEntry;
|
|
ACPI_HANDLE LocalParent = Parent;
|
|
|
|
|
|
if (!RetHandle)
|
|
{
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
/* Special case for root, since we can't search for it */
|
|
|
|
if (Name == NS_ROOT)
|
|
{
|
|
*RetHandle = NsConvertEntryToHandle(Gbl_RootObject);
|
|
return AE_OK;
|
|
}
|
|
|
|
/* Null parent means root object */
|
|
|
|
if (!Parent)
|
|
{
|
|
LocalParent = Gbl_RootObject;
|
|
}
|
|
|
|
/* Validate the Parent handle */
|
|
|
|
if (!(ThisEntry = NsConvertHandleToEntry (LocalParent)))
|
|
{
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
/* It is the scope that we are really after */
|
|
|
|
ThisEntry = ThisEntry->Scope;
|
|
|
|
/* Search for the name within this Parent */
|
|
|
|
while (ThisEntry)
|
|
{
|
|
if (ThisEntry->Name == Name)
|
|
{
|
|
*RetHandle = NsConvertEntryToHandle(ThisEntry);
|
|
return AE_OK;
|
|
}
|
|
|
|
ThisEntry = ThisEntry->NextEntry;
|
|
}
|
|
|
|
*RetHandle = NULL;
|
|
return AE_NOT_FOUND;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiHandleToName
|
|
*
|
|
* PARAMETERS: Handle - Handle to be converted to a name
|
|
* RetName - Where the 4 char (UINT32) name is placed
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: This routine returns the name associated with ACPI_HANDLE. This
|
|
* and the AcpiNameToHandle are complementary functions.
|
|
*
|
|
* Handle == AcpiNameToHandle(AcpiHandleToName(Handle))
|
|
* and
|
|
* Name == AcpiHandleToName(AcpiNameToHandle(Name, NULL))
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiHandleToName (
|
|
ACPI_HANDLE Handle,
|
|
ACPI_NAME *RetName)
|
|
{
|
|
NAME_TABLE_ENTRY *ObjEntry;
|
|
|
|
|
|
if (!RetName)
|
|
{
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
/* Validate handle and convert to and NTE */
|
|
|
|
if (!(ObjEntry = NsConvertHandleToEntry (Handle)))
|
|
{
|
|
*RetName = 0;
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
|
|
/* Just extract the name field */
|
|
|
|
*RetName = ObjEntry->Name;
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiPathnameToHandle
|
|
*
|
|
* PARAMETERS: Pathname - pointer to ascii string containing full pathname
|
|
* RetHandle - Where the return handle is stored
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: This routine will search for a caller specified name in the
|
|
* name space. The pathname provided must be a fully qualified
|
|
* path from the root of the namespace.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiPathnameToHandle (
|
|
ACPI_STRING Pathname,
|
|
ACPI_HANDLE *RetHandle)
|
|
{
|
|
NAME_TABLE_ENTRY *TmpNte;
|
|
ACPI_STATUS Status;
|
|
|
|
if (!RetHandle || !Pathname)
|
|
{
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
/* Special case for root, since we can't search for it */
|
|
|
|
if (strcmp (Pathname, NS_ROOT_PATH) == 0)
|
|
{
|
|
*RetHandle = NsConvertEntryToHandle(Gbl_RootObject);
|
|
return AE_OK;
|
|
}
|
|
|
|
/*
|
|
* Find the Nte and convert to the user format
|
|
*/
|
|
TmpNte = NULL;
|
|
Status = NsGetNte (Pathname, NS_ALL, &TmpNte);
|
|
|
|
*RetHandle = NsConvertEntryToHandle(TmpNte);
|
|
|
|
return (Status);
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiHandleToPathname
|
|
*
|
|
* PARAMETERS: Handle - Handle to be converted to a pathname
|
|
* RetPathPtr - Buffer for returned path
|
|
*
|
|
* RETURN: pointer to a string containing the fully qualified Name.
|
|
*
|
|
* DESCRIPTION: This routine returns the fully qualified name associated with
|
|
* the Handle parameter. This and the AcpiPathnameToHandle are
|
|
* complementary functions.
|
|
*
|
|
******************************************************************************/
|
|
|
|
|
|
ACPI_STATUS
|
|
AcpiHandleToPathname (
|
|
ACPI_HANDLE Handle,
|
|
ACPI_BUFFER *RetPathPtr)
|
|
{
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
/* Buffer pointer must be valid always */
|
|
|
|
if (!RetPathPtr)
|
|
{
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
/* Allow length to be zero and ignore the pointer */
|
|
|
|
if ((RetPathPtr->Length) &&
|
|
(!RetPathPtr->Pointer))
|
|
{
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
Status = NsHandleToPathname (Handle, &RetPathPtr->Length, RetPathPtr->Pointer);
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiGetDeviceInfo
|
|
*
|
|
* PARAMETERS: Handle - Handle to a device
|
|
* Info - Where the device info is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Returns information about the device as gleaned from running
|
|
* several standard control methods.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiGetObjectInfo (
|
|
ACPI_HANDLE Device,
|
|
ACPI_DEVICE_INFO *Info)
|
|
{
|
|
DEVICE_ID Hid;
|
|
DEVICE_ID Uid;
|
|
ACPI_STATUS Status;
|
|
UINT32 DeviceStatus = 0;
|
|
UINT32 Address = 0;
|
|
NAME_TABLE_ENTRY *DeviceEntry;
|
|
|
|
|
|
/* Parameter validation */
|
|
|
|
if (!Device || !Info)
|
|
{
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
if (!(DeviceEntry = NsConvertHandleToEntry (Device)))
|
|
{
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
Info->Type = DeviceEntry->Type;
|
|
Info->Name = DeviceEntry->Name;
|
|
Info->Parent = NsConvertEntryToHandle(DeviceEntry->ParentEntry);
|
|
|
|
if (DeviceEntry->Type != ACPI_TYPE_Device)
|
|
{
|
|
/*
|
|
* We're done, get out
|
|
*/
|
|
return AE_OK;
|
|
}
|
|
Info->Valid = 0;
|
|
|
|
/* Execute the _HID method and save the result */
|
|
|
|
Status = Execute_HID (DeviceEntry, &Hid);
|
|
if (ACPI_SUCCESS (Status))
|
|
{
|
|
Info->HardwareId = Hid.Data.Number;
|
|
Info->Valid |= ACPI_VALID_HID;
|
|
}
|
|
|
|
/* Execute the _UID method and save the result */
|
|
|
|
Status = Execute_UID (DeviceEntry, &Uid);
|
|
if (ACPI_SUCCESS (Status))
|
|
{
|
|
Info->UniqueId = Uid.Data.Number;
|
|
Info->Valid |= ACPI_VALID_UID;
|
|
}
|
|
|
|
/*
|
|
* Execute the _STA method and save the result
|
|
* _STA is not always present
|
|
*/
|
|
|
|
Status = Execute_STA (DeviceEntry, &DeviceStatus);
|
|
if (ACPI_SUCCESS (Status))
|
|
{
|
|
Info->CurrentStatus = DeviceStatus;
|
|
Info->Valid |= ACPI_VALID_STA;
|
|
}
|
|
|
|
/*
|
|
* Execute the _ADR method and save result if successful
|
|
* _ADR is not always present
|
|
*/
|
|
|
|
Status = Execute_ADR (DeviceEntry, &Address);
|
|
if (ACPI_SUCCESS (Status))
|
|
{
|
|
Info->Address = Address;
|
|
Info->Valid |= ACPI_VALID_ADR;
|
|
}
|
|
|
|
return AE_OK;
|
|
}
|
|
|
|
|
|
|
|
/* OBSOLETE FUNCTIONS */
|
|
|
|
/****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiEnumerateDevice
|
|
*
|
|
* PARAMETERS: DevHandle - handle to the device to enumerate
|
|
* HidPtr - Pointer to a DEVICE_ID structure to return
|
|
* the device's HID
|
|
* EnumPtr - Pointer to a BOOLEAN flag that if set to TRUE
|
|
* indicate that the enumeration of this device
|
|
* is owned by ACPI.
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Returns HID in the HidPtr structure and an indication that the
|
|
* device should be enumerated in the field pointed to by EnumPtr
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiEnumerateDevice (
|
|
ACPI_HANDLE DevHandle,
|
|
DEVICE_ID *HidPtr,
|
|
BOOLEAN *EnumPtr)
|
|
{
|
|
|
|
HidPtr->Data.String = NULL;
|
|
*EnumPtr = FALSE;
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
*
|
|
* FUNCTION: AcpiGetNextSubDevice
|
|
*
|
|
* PARAMETERS: DevHandle - handle to the device to enumerate
|
|
* Count - zero based counter of the sub-device to locate
|
|
* RetHandle - Where handle for next device is placed
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: This routine is used in the enumeration process to locate devices
|
|
* located within the namespace of another device.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiGetNextSubDevice (
|
|
ACPI_HANDLE DevHandle,
|
|
UINT32 Count,
|
|
ACPI_HANDLE *RetHandle)
|
|
{
|
|
|
|
if (!RetHandle)
|
|
{
|
|
return AE_BAD_PARAMETER;
|
|
}
|
|
|
|
*RetHandle = NULL;
|
|
|
|
return (AE_OK);
|
|
}
|
|
|
|
|
|
|
|
|
|
|