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Diffstat (limited to 'sys/contrib/dev/acpica/uteval.c')
| -rw-r--r-- | sys/contrib/dev/acpica/uteval.c | 494 |
1 files changed, 494 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/uteval.c b/sys/contrib/dev/acpica/uteval.c new file mode 100644 index 0000000..81be3df --- /dev/null +++ b/sys/contrib/dev/acpica/uteval.c @@ -0,0 +1,494 @@ +/****************************************************************************** + * + * Module Name: cmeval - Object evaluation + * $Revision: 18 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 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 __CMEVAL_C__ + +#include "acpi.h" +#include "acnamesp.h" +#include "acinterp.h" + + +#define _COMPONENT MISCELLANEOUS + MODULE_NAME ("cmeval") + + +/**************************************************************************** + * + * FUNCTION: AcpiCmEvaluateNumericObject + * + * PARAMETERS: *ObjectName - Object name to be evaluated + * DeviceNode - Node for the device + * *Address - Where the value is returned + * + * RETURN: Status + * + * DESCRIPTION: evaluates a numeric namespace object for a selected device + * and stores results in *Address. + * + * NOTE: Internal function, no parameter validation + * + ***************************************************************************/ + +ACPI_STATUS +AcpiCmEvaluateNumericObject ( + NATIVE_CHAR *ObjectName, + ACPI_NAMESPACE_NODE *DeviceNode, + ACPI_INTEGER *Address) +{ + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_STATUS Status; + + + FUNCTION_TRACE ("CmEvaluateNumericObject"); + + + /* Execute the method */ + + Status = AcpiNsEvaluateRelative (DeviceNode, ObjectName, NULL, &ObjDesc); + if (ACPI_FAILURE (Status)) + { + if (Status == AE_NOT_FOUND) + { + DEBUG_PRINT (ACPI_INFO, + ("%s on %4.4s was not found\n", ObjectName, + &DeviceNode->Name)); + } + else + { + DEBUG_PRINT (ACPI_ERROR, + ("%s on %4.4s failed with status %4.4x\n", ObjectName, + &DeviceNode->Name, + AcpiCmFormatException (Status))); + } + + return_ACPI_STATUS (Status); + } + + + /* Did we get a return object? */ + + if (!ObjDesc) + { + DEBUG_PRINT (ACPI_ERROR, + ("No object was returned from %s\n", ObjectName)); + return_ACPI_STATUS (AE_TYPE); + } + + /* Is the return object of the correct type? */ + + if (ObjDesc->Common.Type != ACPI_TYPE_NUMBER) + { + Status = AE_TYPE; + DEBUG_PRINT (ACPI_ERROR, + ("Type returned from %s was not a number: %d \n", + ObjectName, ObjDesc->Common.Type)); + } + else + { + /* + * Since the structure is a union, setting any field will set all + * of the variables in the union + */ + *Address = ObjDesc->Number.Value; + } + + /* On exit, we must delete the return object */ + + AcpiCmRemoveReference (ObjDesc); + + return_ACPI_STATUS (Status); +} + + +/**************************************************************************** + * + * FUNCTION: AcpiCmExecute_HID + * + * PARAMETERS: DeviceNode - Node for the device + * *Hid - Where the HID is returned + * + * RETURN: Status + * + * DESCRIPTION: Executes the _HID control method that returns the hardware + * ID of the device. + * + * NOTE: Internal function, no parameter validation + * + ***************************************************************************/ + +ACPI_STATUS +AcpiCmExecute_HID ( + ACPI_NAMESPACE_NODE *DeviceNode, + DEVICE_ID *Hid) +{ + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_STATUS Status; + + + FUNCTION_TRACE ("CmExecute_HID"); + + + /* Execute the method */ + + Status = AcpiNsEvaluateRelative (DeviceNode, + METHOD_NAME__HID, NULL, &ObjDesc); + if (ACPI_FAILURE (Status)) + { + if (Status == AE_NOT_FOUND) + { + DEBUG_PRINT (ACPI_INFO, + ("_HID on %4.4s was not found\n", + &DeviceNode->Name)); + } + + else + { + DEBUG_PRINT (ACPI_ERROR, + ("_HID on %4.4s failed with status %4.4x\n", + &DeviceNode->Name, + AcpiCmFormatException (Status))); + } + + return_ACPI_STATUS (Status); + } + + /* Did we get a return object? */ + + if (!ObjDesc) + { + DEBUG_PRINT (ACPI_ERROR, ("No object was returned from _HID\n")); + return_ACPI_STATUS (AE_TYPE); + } + + /* + * A _HID can return either a Number (32 bit compressed EISA ID) or + * a string + */ + + if ((ObjDesc->Common.Type != ACPI_TYPE_NUMBER) && + (ObjDesc->Common.Type != ACPI_TYPE_STRING)) + { + Status = AE_TYPE; + DEBUG_PRINT (ACPI_ERROR, + ("Type returned from _HID was not a number or string: [0x%X] \n", + ObjDesc->Common.Type)); + } + + else + { + if (ObjDesc->Common.Type == ACPI_TYPE_NUMBER) + { + /* Convert the Numeric HID to string */ + + AcpiAmlEisaIdToString ((UINT32) ObjDesc->Number.Value, Hid->Buffer); + } + + else + { + /* Copy the String HID from the returned object */ + + STRNCPY(Hid->Buffer, ObjDesc->String.Pointer, sizeof(Hid->Buffer)); + } + } + + + /* On exit, we must delete the return object */ + + AcpiCmRemoveReference (ObjDesc); + + return_ACPI_STATUS (Status); +} + + +/**************************************************************************** + * + * FUNCTION: AcpiCmExecute_UID + * + * PARAMETERS: DeviceNode - Node for the device + * *Uid - Where the UID is returned + * + * RETURN: Status + * + * DESCRIPTION: Executes the _UID control method that returns the hardware + * ID of the device. + * + * NOTE: Internal function, no parameter validation + * + ***************************************************************************/ + +ACPI_STATUS +AcpiCmExecute_UID ( + ACPI_NAMESPACE_NODE *DeviceNode, + DEVICE_ID *Uid) +{ + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_STATUS Status; + + + /* Execute the method */ + + Status = AcpiNsEvaluateRelative (DeviceNode, + METHOD_NAME__UID, NULL, &ObjDesc); + if (ACPI_FAILURE (Status)) + { + if (Status == AE_NOT_FOUND) + { + DEBUG_PRINT (ACPI_INFO, + ("_UID on %4.4s was not found\n", + &DeviceNode->Name)); + } + + else + { + DEBUG_PRINT (ACPI_ERROR, + ("_UID on %4.4s failed with status %4.4x\n", + &DeviceNode->Name, + AcpiCmFormatException (Status))); + } + + return (Status); + } + + /* Did we get a return object? */ + + if (!ObjDesc) + { + DEBUG_PRINT (ACPI_ERROR, ("No object was returned from _UID\n")); + return (AE_TYPE); + } + + /* + * A _UID can return either a Number (32 bit compressed EISA ID) or + * a string + */ + + if ((ObjDesc->Common.Type != ACPI_TYPE_NUMBER) && + (ObjDesc->Common.Type != ACPI_TYPE_STRING)) + { + Status = AE_TYPE; + DEBUG_PRINT (ACPI_ERROR, + ("Type returned from _UID was not a number or string: %d \n", + ObjDesc->Common.Type)); + } + + else + { + if (ObjDesc->Common.Type == ACPI_TYPE_NUMBER) + { + /* Convert the Numeric UID to string */ + + AcpiAmlUnsignedIntegerToString (ObjDesc->Number.Value, Uid->Buffer); + } + + else + { + /* Copy the String UID from the returned object */ + + STRNCPY(Uid->Buffer, ObjDesc->String.Pointer, sizeof(Uid->Buffer)); + } + } + + + /* On exit, we must delete the return object */ + + AcpiCmRemoveReference (ObjDesc); + + return (Status); +} + +/**************************************************************************** + * + * FUNCTION: AcpiCmExecute_STA + * + * PARAMETERS: DeviceNode - Node for the device + * *Flags - Where the status flags are returned + * + * RETURN: Status + * + * DESCRIPTION: Executes _STA for selected device and stores results in + * *Flags. + * + * NOTE: Internal function, no parameter validation + * + ***************************************************************************/ + +ACPI_STATUS +AcpiCmExecute_STA ( + ACPI_NAMESPACE_NODE *DeviceNode, + UINT32 *Flags) +{ + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_STATUS Status; + + + FUNCTION_TRACE ("CmExecute_STA"); + + /* Execute the method */ + + Status = AcpiNsEvaluateRelative (DeviceNode, + METHOD_NAME__STA, NULL, &ObjDesc); + if (AE_NOT_FOUND == Status) + { + DEBUG_PRINT (ACPI_INFO, + ("_STA on %4.4s was not found, assuming present.\n", + &DeviceNode->Name)); + + *Flags = 0x0F; + Status = AE_OK; + } + + else if (ACPI_FAILURE (Status)) + { + DEBUG_PRINT (ACPI_ERROR, + ("_STA on %4.4s failed with status %s\n", + &DeviceNode->Name, + AcpiCmFormatException (Status))); + } + + else /* success */ + { + /* Did we get a return object? */ + + if (!ObjDesc) + { + DEBUG_PRINT (ACPI_ERROR, ("No object was returned from _STA\n")); + return_ACPI_STATUS (AE_TYPE); + } + + /* Is the return object of the correct type? */ + + if (ObjDesc->Common.Type != ACPI_TYPE_NUMBER) + { + Status = AE_TYPE; + DEBUG_PRINT (ACPI_ERROR, + ("Type returned from _STA was not a number: %d \n", + ObjDesc->Common.Type)); + } + + else + { + /* Extract the status flags */ + + *Flags = (UINT32) ObjDesc->Number.Value; + } + + /* On exit, we must delete the return object */ + + AcpiCmRemoveReference (ObjDesc); + } + + return_ACPI_STATUS (Status); +} |
