377 lines
14 KiB
C
377 lines
14 KiB
C
/*******************************************************************************
|
|
*
|
|
* Module Name: rsio - IO and DMA resource descriptors
|
|
*
|
|
******************************************************************************/
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 1. Copyright Notice
|
|
*
|
|
* Some or all of this work - Copyright (c) 1999 - 2010, 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 "accommon.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)}
|
|
};
|
|
|
|
|