NetBSD-5.0.2/sys/dist/acpica/rsio.c
/*******************************************************************************
*
* Module Name: rsio - IO and DMA resource descriptors
* $Revision: 1.4 $
*
******************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2008, 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 __RSIO_C__
#include "acpi.h"
#include "acresrc.h"
#define _COMPONENT ACPI_RESOURCES
ACPI_MODULE_NAME ("rsio")
/*******************************************************************************
*
* AcpiRsConvertIo
*
******************************************************************************/
ACPI_RSCONVERT_INFO AcpiRsConvertIo[5] =
{
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IO,
ACPI_RS_SIZE (ACPI_RESOURCE_IO),
ACPI_RSC_TABLE_SIZE (AcpiRsConvertIo)},
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IO,
sizeof (AML_RESOURCE_IO),
0},
/* Decode flag */
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Io.IoDecode),
AML_OFFSET (Io.Flags),
0},
/*
* These fields are contiguous in both the source and destination:
* Address Alignment
* Length
* Minimum Base Address
* Maximum Base Address
*/
{ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.Io.Alignment),
AML_OFFSET (Io.Alignment),
2},
{ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.Io.Minimum),
AML_OFFSET (Io.Minimum),
2}
};
/*******************************************************************************
*
* AcpiRsConvertFixedIo
*
******************************************************************************/
ACPI_RSCONVERT_INFO AcpiRsConvertFixedIo[4] =
{
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_IO,
ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_IO),
ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedIo)},
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_IO,
sizeof (AML_RESOURCE_FIXED_IO),
0},
/*
* These fields are contiguous in both the source and destination:
* Base Address
* Length
*/
{ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.FixedIo.AddressLength),
AML_OFFSET (FixedIo.AddressLength),
1},
{ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.FixedIo.Address),
AML_OFFSET (FixedIo.Address),
1}
};
/*******************************************************************************
*
* AcpiRsConvertGenericReg
*
******************************************************************************/
ACPI_RSCONVERT_INFO AcpiRsConvertGenericReg[4] =
{
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GENERIC_REGISTER,
ACPI_RS_SIZE (ACPI_RESOURCE_GENERIC_REGISTER),
ACPI_RSC_TABLE_SIZE (AcpiRsConvertGenericReg)},
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GENERIC_REGISTER,
sizeof (AML_RESOURCE_GENERIC_REGISTER),
0},
/*
* These fields are contiguous in both the source and destination:
* Address Space ID
* Register Bit Width
* Register Bit Offset
* Access Size
*/
{ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.GenericReg.SpaceId),
AML_OFFSET (GenericReg.AddressSpaceId),
4},
/* Get the Register Address */
{ACPI_RSC_MOVE64, ACPI_RS_OFFSET (Data.GenericReg.Address),
AML_OFFSET (GenericReg.Address),
1}
};
/*******************************************************************************
*
* AcpiRsConvertEndDpf
*
******************************************************************************/
ACPI_RSCONVERT_INFO AcpiRsConvertEndDpf[2] =
{
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_DEPENDENT,
ACPI_RS_SIZE_MIN,
ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndDpf)},
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_DEPENDENT,
sizeof (AML_RESOURCE_END_DEPENDENT),
0}
};
/*******************************************************************************
*
* AcpiRsConvertEndTag
*
******************************************************************************/
ACPI_RSCONVERT_INFO AcpiRsConvertEndTag[2] =
{
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_TAG,
ACPI_RS_SIZE_MIN,
ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndTag)},
/*
* Note: The checksum field is set to zero, meaning that the resource
* data is treated as if the checksum operation succeeded.
* (ACPI Spec 1.0b Section 6.4.2.8)
*/
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_TAG,
sizeof (AML_RESOURCE_END_TAG),
0}
};
/*******************************************************************************
*
* AcpiRsGetStartDpf
*
******************************************************************************/
ACPI_RSCONVERT_INFO AcpiRsGetStartDpf[6] =
{
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_START_DEPENDENT,
ACPI_RS_SIZE (ACPI_RESOURCE_START_DEPENDENT),
ACPI_RSC_TABLE_SIZE (AcpiRsGetStartDpf)},
/* Defaults for Compatibility and Performance priorities */
{ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority),
ACPI_ACCEPTABLE_CONFIGURATION,
2},
/* Get the descriptor length (0 or 1 for Start Dpf descriptor) */
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.DescriptorLength),
AML_OFFSET (StartDpf.DescriptorType),
0},
/* All done if there is no flag byte present in the descriptor */
{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 1},
/* Flag byte is present, get the flags */
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority),
AML_OFFSET (StartDpf.Flags),
0},
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness),
AML_OFFSET (StartDpf.Flags),
2}
};
/*******************************************************************************
*
* AcpiRsSetStartDpf
*
******************************************************************************/
ACPI_RSCONVERT_INFO AcpiRsSetStartDpf[10] =
{
/* Start with a default descriptor of length 1 */
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT,
sizeof (AML_RESOURCE_START_DEPENDENT),
ACPI_RSC_TABLE_SIZE (AcpiRsSetStartDpf)},
/* Set the default flag values */
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority),
AML_OFFSET (StartDpf.Flags),
0},
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness),
AML_OFFSET (StartDpf.Flags),
2},
/*
* All done if the output descriptor length is required to be 1
* (i.e., optimization to 0 bytes cannot be attempted)
*/
{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
ACPI_RS_OFFSET(Data.StartDpf.DescriptorLength),
1},
/* Set length to 0 bytes (no flags byte) */
{ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO)},
/*
* All done if the output descriptor length is required to be 0.
*
* TBD: Perhaps we should check for error if input flags are not
* compatible with a 0-byte descriptor.
*/
{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
ACPI_RS_OFFSET(Data.StartDpf.DescriptorLength),
0},
/* Reset length to 1 byte (descriptor with flags byte) */
{ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT)},
/*
* All done if flags byte is necessary -- if either priority value
* is not ACPI_ACCEPTABLE_CONFIGURATION
*/
{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority),
ACPI_ACCEPTABLE_CONFIGURATION},
{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness),
ACPI_ACCEPTABLE_CONFIGURATION},
/* Flag byte is not necessary */
{ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO)}
};