403 lines
11 KiB
C
403 lines
11 KiB
C
/******************************************************************************
|
|
*
|
|
* Module Name: aslmaputils - Utilities for the resource descriptor/device maps
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2015, Intel Corp.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions, and the following disclaimer,
|
|
* without modification.
|
|
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
|
|
* substantially similar to the "NO WARRANTY" disclaimer below
|
|
* ("Disclaimer") and any redistribution must be conditioned upon
|
|
* including a substantially similar Disclaimer requirement for further
|
|
* binary redistribution.
|
|
* 3. Neither the names of the above-listed copyright holders nor the names
|
|
* of any contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* NO WARRANTY
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
|
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGES.
|
|
*/
|
|
|
|
#include <contrib/dev/acpica/include/acpi.h>
|
|
#include <contrib/dev/acpica/include/accommon.h>
|
|
#include <contrib/dev/acpica/include/acapps.h>
|
|
#include <contrib/dev/acpica/compiler/aslcompiler.h>
|
|
#include "aslcompiler.y.h"
|
|
#include <contrib/dev/acpica/include/acinterp.h>
|
|
#include <contrib/dev/acpica/include/acnamesp.h>
|
|
#include <contrib/dev/acpica/include/amlcode.h>
|
|
|
|
/* This module used for application-level code only */
|
|
|
|
#define _COMPONENT ACPI_COMPILER
|
|
ACPI_MODULE_NAME ("aslmaputils")
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: MpGetHidFromParseTree
|
|
*
|
|
* PARAMETERS: HidNode - Node for a _HID object
|
|
*
|
|
* RETURN: An _HID string value. Automatically converts _HID integers
|
|
* to strings. Never NULL.
|
|
*
|
|
* DESCRIPTION: Extract a _HID value from the parse tree, not the namespace.
|
|
* Used when a fully initialized namespace is not available.
|
|
*
|
|
******************************************************************************/
|
|
|
|
char *
|
|
MpGetHidFromParseTree (
|
|
ACPI_NAMESPACE_NODE *HidNode)
|
|
{
|
|
ACPI_PARSE_OBJECT *Op;
|
|
ACPI_PARSE_OBJECT *Arg;
|
|
char *HidString;
|
|
|
|
|
|
Op = HidNode->Op;
|
|
|
|
switch (Op->Asl.ParseOpcode)
|
|
{
|
|
case PARSEOP_NAME:
|
|
|
|
Arg = Op->Asl.Child; /* Get the NameSeg/NameString node */
|
|
Arg = Arg->Asl.Next; /* First peer is the object to be associated with the name */
|
|
|
|
switch (Arg->Asl.ParseOpcode)
|
|
{
|
|
case PARSEOP_STRING_LITERAL:
|
|
|
|
return (Arg->Asl.Value.String);
|
|
|
|
case PARSEOP_INTEGER:
|
|
|
|
/* Convert EISAID to a string */
|
|
|
|
HidString = UtStringCacheCalloc (ACPI_EISAID_STRING_SIZE);
|
|
AcpiExEisaIdToString (HidString, Arg->Asl.Value.Integer);
|
|
return (HidString);
|
|
|
|
default:
|
|
|
|
return ("UNKNOWN");
|
|
}
|
|
|
|
default:
|
|
return ("-No HID-");
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: MpGetHidValue
|
|
*
|
|
* PARAMETERS: DeviceNode - Node for parent device
|
|
*
|
|
* RETURN: An _HID string value. Automatically converts _HID integers
|
|
* to strings. Never NULL.
|
|
*
|
|
* DESCRIPTION: Extract _HID value from within a device scope. Does not
|
|
* actually execute a method, just gets the string or integer
|
|
* value for the _HID.
|
|
*
|
|
******************************************************************************/
|
|
|
|
char *
|
|
MpGetHidValue (
|
|
ACPI_NAMESPACE_NODE *DeviceNode)
|
|
{
|
|
ACPI_NAMESPACE_NODE *HidNode;
|
|
char *HidString;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
Status = AcpiNsGetNode (DeviceNode, METHOD_NAME__HID,
|
|
ACPI_NS_NO_UPSEARCH, &HidNode);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto ErrorExit;
|
|
}
|
|
|
|
/* If only partial namespace, get the _HID from the parse tree */
|
|
|
|
if (!HidNode->Object)
|
|
{
|
|
return (MpGetHidFromParseTree (HidNode));
|
|
}
|
|
|
|
/* Handle the different _HID flavors */
|
|
|
|
switch (HidNode->Type)
|
|
{
|
|
case ACPI_TYPE_STRING:
|
|
|
|
return (HidNode->Object->String.Pointer);
|
|
|
|
case ACPI_TYPE_INTEGER:
|
|
|
|
/* Convert EISAID to a string */
|
|
|
|
HidString = UtStringCacheCalloc (ACPI_EISAID_STRING_SIZE);
|
|
AcpiExEisaIdToString (HidString, HidNode->Object->Integer.Value);
|
|
return (HidString);
|
|
|
|
case ACPI_TYPE_METHOD:
|
|
|
|
return ("-Method-");
|
|
|
|
default:
|
|
|
|
FlPrintFile (ASL_FILE_MAP_OUTPUT, "BAD HID TYPE: %u", HidNode->Type);
|
|
break;
|
|
}
|
|
|
|
|
|
ErrorExit:
|
|
return ("-No HID-");
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: MpGetHidViaNamestring
|
|
*
|
|
* PARAMETERS: DeviceName - Namepath for parent device
|
|
*
|
|
* RETURN: _HID string. Never NULL.
|
|
*
|
|
* DESCRIPTION: Get a _HID value via a device pathname (instead of just simply
|
|
* a device node.)
|
|
*
|
|
******************************************************************************/
|
|
|
|
char *
|
|
MpGetHidViaNamestring (
|
|
char *DeviceName)
|
|
{
|
|
ACPI_NAMESPACE_NODE *DeviceNode;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
Status = AcpiNsGetNode (NULL, DeviceName, ACPI_NS_NO_UPSEARCH,
|
|
&DeviceNode);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto ErrorExit;
|
|
}
|
|
|
|
return (MpGetHidValue (DeviceNode));
|
|
|
|
|
|
ErrorExit:
|
|
return ("-No HID-");
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: MpGetParentDeviceHid
|
|
*
|
|
* PARAMETERS: Op - Parse Op to be examined
|
|
* TargetNode - Where the field node is returned
|
|
* ParentDeviceName - Where the node path is returned
|
|
*
|
|
* RETURN: _HID string. Never NULL.
|
|
*
|
|
* DESCRIPTION: Find the parent Device or Scope Op, get the full pathname to
|
|
* the parent, and get the _HID associated with the parent.
|
|
*
|
|
******************************************************************************/
|
|
|
|
char *
|
|
MpGetParentDeviceHid (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ACPI_NAMESPACE_NODE **TargetNode,
|
|
char **ParentDeviceName)
|
|
{
|
|
ACPI_NAMESPACE_NODE *DeviceNode;
|
|
|
|
|
|
/* Find parent Device() or Scope() Op */
|
|
|
|
while (Op &&
|
|
(Op->Asl.AmlOpcode != AML_DEVICE_OP) &&
|
|
(Op->Asl.AmlOpcode != AML_SCOPE_OP))
|
|
{
|
|
Op = Op->Asl.Parent;
|
|
}
|
|
|
|
if (!Op)
|
|
{
|
|
FlPrintFile (ASL_FILE_MAP_OUTPUT, " No_Parent_Device ");
|
|
goto ErrorExit;
|
|
}
|
|
|
|
/* Get the full pathname to the device and the _HID */
|
|
|
|
DeviceNode = Op->Asl.Node;
|
|
if (!DeviceNode)
|
|
{
|
|
FlPrintFile (ASL_FILE_MAP_OUTPUT, " No_Device_Node ");
|
|
goto ErrorExit;
|
|
}
|
|
|
|
*ParentDeviceName = AcpiNsGetExternalPathname (DeviceNode);
|
|
return (MpGetHidValue (DeviceNode));
|
|
|
|
|
|
ErrorExit:
|
|
return ("-No HID-");
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: MpGetDdnValue
|
|
*
|
|
* PARAMETERS: DeviceName - Namepath for parent device
|
|
*
|
|
* RETURN: _DDN description string. NULL on failure.
|
|
*
|
|
* DESCRIPTION: Execute the _DDN method for the device.
|
|
*
|
|
******************************************************************************/
|
|
|
|
char *
|
|
MpGetDdnValue (
|
|
char *DeviceName)
|
|
{
|
|
ACPI_NAMESPACE_NODE *DeviceNode;
|
|
ACPI_NAMESPACE_NODE *DdnNode;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
Status = AcpiNsGetNode (NULL, DeviceName, ACPI_NS_NO_UPSEARCH,
|
|
&DeviceNode);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto ErrorExit;
|
|
}
|
|
|
|
Status = AcpiNsGetNode (DeviceNode, METHOD_NAME__DDN, ACPI_NS_NO_UPSEARCH,
|
|
&DdnNode);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
goto ErrorExit;
|
|
}
|
|
|
|
if ((DdnNode->Type != ACPI_TYPE_STRING) ||
|
|
!DdnNode->Object)
|
|
{
|
|
goto ErrorExit;
|
|
}
|
|
|
|
return (DdnNode->Object->String.Pointer);
|
|
|
|
|
|
ErrorExit:
|
|
return (NULL);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: MpGetConnectionInfo
|
|
*
|
|
* PARAMETERS: Op - Parse Op to be examined
|
|
* PinIndex - Index into GPIO PinList
|
|
* TargetNode - Where the field node is returned
|
|
* TargetName - Where the node path is returned
|
|
*
|
|
* RETURN: A substitute _HID string, indicating that the name is actually
|
|
* a field. NULL if the Op does not refer to a Connection.
|
|
*
|
|
* DESCRIPTION: Get the Field Unit that corresponds to the PinIndex after
|
|
* a Connection() invocation.
|
|
*
|
|
******************************************************************************/
|
|
|
|
char *
|
|
MpGetConnectionInfo (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 PinIndex,
|
|
ACPI_NAMESPACE_NODE **TargetNode,
|
|
char **TargetName)
|
|
{
|
|
ACPI_PARSE_OBJECT *NextOp;
|
|
UINT32 i;
|
|
|
|
|
|
/*
|
|
* Handle Connection() here. Find the next named FieldUnit.
|
|
* Note: we look at the ParseOpcode for the compiler, look
|
|
* at the AmlOpcode for the disassembler.
|
|
*/
|
|
if ((Op->Asl.AmlOpcode == AML_INT_CONNECTION_OP) ||
|
|
(Op->Asl.ParseOpcode == PARSEOP_CONNECTION))
|
|
{
|
|
/* Find the correct field unit definition */
|
|
|
|
NextOp = Op;
|
|
for (i = 0; i <= PinIndex;)
|
|
{
|
|
NextOp = NextOp->Asl.Next;
|
|
while (NextOp &&
|
|
(NextOp->Asl.ParseOpcode != PARSEOP_NAMESEG) &&
|
|
(NextOp->Asl.AmlOpcode != AML_INT_NAMEDFIELD_OP))
|
|
{
|
|
NextOp = NextOp->Asl.Next;
|
|
}
|
|
|
|
if (!NextOp)
|
|
{
|
|
return ("UNKNOWN");
|
|
}
|
|
|
|
/* Add length of this field to the current pin index */
|
|
|
|
if (NextOp->Asl.ParseOpcode == PARSEOP_NAMESEG)
|
|
{
|
|
i += (UINT32) NextOp->Asl.Child->Asl.Value.Integer;
|
|
}
|
|
else /* AML_INT_NAMEDFIELD_OP */
|
|
{
|
|
i += (UINT32) NextOp->Asl.Value.Integer;
|
|
}
|
|
}
|
|
|
|
/* Return the node and pathname for the field unit */
|
|
|
|
*TargetNode = NextOp->Asl.Node;
|
|
*TargetName = AcpiNsGetExternalPathname (*TargetNode);
|
|
return ("-Field-");
|
|
}
|
|
|
|
return (NULL);
|
|
}
|