/****************************************************************************** * * Module Name: aslmaputils - Utilities for the resource descriptor/device maps * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2017, 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. * ***************************************************************************** * * Alternatively, you may choose to be licensed under the terms of the * following license: * * 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. * * 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 MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * 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 DAMAGE. * * Alternatively, you may choose to be licensed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * *****************************************************************************/ #include #include #include #include #include "aslcompiler.y.h" #include #include #include /* 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; if (!Op) { /* Object is not resolved, probably an External */ return ("Unresolved Symbol - referenced but not defined in this table"); } 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); }