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Diffstat (limited to 'sys/contrib/dev/acpica/rsxface.c')
-rw-r--r-- | sys/contrib/dev/acpica/rsxface.c | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/rsxface.c b/sys/contrib/dev/acpica/rsxface.c new file mode 100644 index 0000000..11e6d51 --- /dev/null +++ b/sys/contrib/dev/acpica/rsxface.c @@ -0,0 +1,336 @@ +/******************************************************************************* + * + * Module Name: rsxface - Public interfaces to the resource manager + * $Revision: 19 $ + * + ******************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2002, 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 __RSXFACE_C__ + +#include "acpi.h" +#include "acresrc.h" + +#define _COMPONENT ACPI_RESOURCES + ACPI_MODULE_NAME ("rsxface") + + +/******************************************************************************* + * + * FUNCTION: AcpiGetIrqRoutingTable + * + * PARAMETERS: DeviceHandle - a handle to the Bus device we are querying + * RetBuffer - a pointer to a buffer to receive the + * current resources for the device + * + * RETURN: Status + * + * DESCRIPTION: This function is called to get the IRQ routing table for a + * specific bus. The caller must first acquire a handle for the + * desired bus. The routine table is placed in the buffer pointed + * to by the RetBuffer variable parameter. + * + * If the function fails an appropriate status will be returned + * and the value of RetBuffer is undefined. + * + * This function attempts to execute the _PRT method contained in + * the object indicated by the passed DeviceHandle. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiGetIrqRoutingTable ( + ACPI_HANDLE DeviceHandle, + ACPI_BUFFER *RetBuffer) +{ + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE ("AcpiGetIrqRoutingTable "); + + + /* + * Must have a valid handle and buffer, So we have to have a handle + * and a return buffer structure, and if there is a non-zero buffer length + * we also need a valid pointer in the buffer. If it's a zero buffer length, + * we'll be returning the needed buffer size, so keep going. + */ + if (!DeviceHandle) + { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + Status = AcpiUtValidateBuffer (RetBuffer); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + Status = AcpiRsGetPrtMethodData (DeviceHandle, RetBuffer); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiGetCurrentResources + * + * PARAMETERS: DeviceHandle - a handle to the device object for the + * device we are querying + * RetBuffer - a pointer to a buffer to receive the + * current resources for the device + * + * RETURN: Status + * + * DESCRIPTION: This function is called to get the current resources for a + * specific device. The caller must first acquire a handle for + * the desired device. The resource data is placed in the buffer + * pointed to by the RetBuffer variable parameter. + * + * If the function fails an appropriate status will be returned + * and the value of RetBuffer is undefined. + * + * This function attempts to execute the _CRS method contained in + * the object indicated by the passed DeviceHandle. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiGetCurrentResources ( + ACPI_HANDLE DeviceHandle, + ACPI_BUFFER *RetBuffer) +{ + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE ("AcpiGetCurrentResources"); + + + /* + * Must have a valid handle and buffer, So we have to have a handle + * and a return buffer structure, and if there is a non-zero buffer length + * we also need a valid pointer in the buffer. If it's a zero buffer length, + * we'll be returning the needed buffer size, so keep going. + */ + if (!DeviceHandle) + { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + Status = AcpiUtValidateBuffer (RetBuffer); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + Status = AcpiRsGetCrsMethodData (DeviceHandle, RetBuffer); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiGetPossibleResources + * + * PARAMETERS: DeviceHandle - a handle to the device object for the + * device we are querying + * RetBuffer - a pointer to a buffer to receive the + * resources for the device + * + * RETURN: Status + * + * DESCRIPTION: This function is called to get a list of the possible resources + * for a specific device. The caller must first acquire a handle + * for the desired device. The resource data is placed in the + * buffer pointed to by the RetBuffer variable. + * + * If the function fails an appropriate status will be returned + * and the value of RetBuffer is undefined. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiGetPossibleResources ( + ACPI_HANDLE DeviceHandle, + ACPI_BUFFER *RetBuffer) +{ + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE ("AcpiGetPossibleResources"); + + + /* + * Must have a valid handle and buffer, So we have to have a handle + * and a return buffer structure, and if there is a non-zero buffer length + * we also need a valid pointer in the buffer. If it's a zero buffer length, + * we'll be returning the needed buffer size, so keep going. + */ + if (!DeviceHandle) + { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + Status = AcpiUtValidateBuffer (RetBuffer); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + Status = AcpiRsGetPrsMethodData (DeviceHandle, RetBuffer); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiSetCurrentResources + * + * PARAMETERS: DeviceHandle - a handle to the device object for the + * device we are changing the resources of + * InBuffer - a pointer to a buffer containing the + * resources to be set for the device + * + * RETURN: Status + * + * DESCRIPTION: This function is called to set the current resources for a + * specific device. The caller must first acquire a handle for + * the desired device. The resource data is passed to the routine + * the buffer pointed to by the InBuffer variable. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiSetCurrentResources ( + ACPI_HANDLE DeviceHandle, + ACPI_BUFFER *InBuffer) +{ + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE ("AcpiSetCurrentResources"); + + + /* + * Must have a valid handle and buffer + */ + if ((!DeviceHandle) || + (!InBuffer) || + (!InBuffer->Pointer) || + (!InBuffer->Length)) + { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + Status = AcpiRsSetSrsMethodData (DeviceHandle, InBuffer); + return_ACPI_STATUS (Status); +} |