d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
a468031ce8
freebsd-dev/sys/contrib/dev/acpica/rsmisc.c

727 lines
24 KiB
C
Raw Normal View History

Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
/*******************************************************************************
*
* Module Name: rsmisc - AcpiRsEndTagResource
* AcpiRsEndTagStream
* AcpiRsVendorResource
* AcpiRsVendorStream
* AcpiRsStartDependentFunctionsResource
* AcpiRsEndDependentFunctionsResource
* AcpiRsStartDependentFunctionsStream
* AcpiRsEndDependentFunctionsStream
Update to the 20010125 ACPI CA snapshot.
2001-01-31 09:17:50 +00:00
* $Revision: 12 $
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
*
******************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
Update to the 20010125 ACPI CA snapshot.
2001-01-31 09:17:50 +00:00
* Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.
Update to the Intel 20001215 ACPI CA snapshot.
2000-12-21 06:56:46 +00:00
* All rights reserved.
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
*
* 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 __RSMISC_C__
#include "acpi.h"
Update to the 20001115 Intel ACPI CA snapshot.
2000-12-01 09:36:25 +00:00
#include "acresrc.h"
Initial import of the Intel-maintained ACPI Component Architecture. This is Intel's reference implementation of the core operating-system ACPI support. (This import is on the vendor branch.)
2000-10-28 05:01:06 +00:00
#define _COMPONENT RESOURCE_MANAGER
MODULE_NAME ("rsmisc")
/*******************************************************************************
*
* FUNCTION: AcpiRsEndTagResource
*
* PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte
* stream
* BytesConsumed - UINT32 pointer that is filled with
* the number of bytes consumed from
* the ByteStreamBuffer
* OutputBuffer - Pointer to the user's return buffer
* StructureSize - UINT32 pointer that is filled with
* the number of bytes in the filled
* in structure
*
* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
*
* DESCRIPTION: Take the resource byte stream and fill out the appropriate
* structure pointed to by the OutputBuffer. Return the
* number of bytes consumed from the byte stream.
*
******************************************************************************/
ACPI_STATUS
AcpiRsEndTagResource (
UINT8 *ByteStreamBuffer,
UINT32 *BytesConsumed,
UINT8 **OutputBuffer,
UINT32 *StructureSize)
{
RESOURCE *OutputStruct = (RESOURCE *) * OutputBuffer;
UINT32 StructSize = RESOURCE_LENGTH;
FUNCTION_TRACE ("RsEndTagResource");
/*
* The number of bytes consumed is static
*/
*BytesConsumed = 2;
/*
* Fill out the structure
*/
OutputStruct->Id = EndTag;
/*
* Set the Length parameter
*/
OutputStruct->Length = 0;
/*
* Return the final size of the structure
*/
*StructureSize = StructSize;
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiRsEndTagStream
*
* PARAMETERS: LinkedList - Pointer to the resource linked list
* OutputBuffer - Pointer to the user's return buffer
* BytesConsumed - UINT32 pointer that is filled with
* the number of bytes of the
* OutputBuffer used
*
* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
*
* DESCRIPTION: Take the linked list resource structure and fills in the
* the appropriate bytes in a byte stream
*
******************************************************************************/
ACPI_STATUS
AcpiRsEndTagStream (
RESOURCE *LinkedList,
UINT8 **OutputBuffer,
UINT32 *BytesConsumed)
{
UINT8 *Buffer = *OutputBuffer;
UINT8 Temp8 = 0;
FUNCTION_TRACE ("RsEndTagStream");
/*
* The descriptor field is static
*/
*Buffer = 0x79;
Buffer += 1;
/*
* Set the Checksum - zero means that the resource data is treated as if
* the checksum operation succeeded (ACPI Spec 1.0b Section 6.4.2.8)
*/
Temp8 = 0;
*Buffer = Temp8;
Buffer += 1;
/*
* Return the number of bytes consumed in this operation
*/
*BytesConsumed = (UINT32) ((NATIVE_UINT) Buffer -
(NATIVE_UINT) *OutputBuffer);
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiRsVendorResource
*
* PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte
* stream
* BytesConsumed - UINT32 pointer that is filled with
* the number of bytes consumed from
* the ByteStreamBuffer
* OutputBuffer - Pointer to the user's return buffer
* StructureSize - UINT32 pointer that is filled with
* the number of bytes in the filled
* in structure
*
* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
*
* DESCRIPTION: Take the resource byte stream and fill out the appropriate
* structure pointed to by the OutputBuffer. Return the
* number of bytes consumed from the byte stream.
*
******************************************************************************/
ACPI_STATUS
AcpiRsVendorResource (
UINT8 *ByteStreamBuffer,
UINT32 *BytesConsumed,
UINT8 **OutputBuffer,
UINT32 *StructureSize)
{
UINT8 *Buffer = ByteStreamBuffer;
RESOURCE *OutputStruct = (RESOURCE *) * OutputBuffer;
UINT16 Temp16 = 0;
UINT8 Temp8 = 0;
UINT8 Index;
UINT32 StructSize = sizeof (VENDOR_RESOURCE) +
RESOURCE_LENGTH_NO_DATA;
FUNCTION_TRACE ("RsVendorResource");
/*
* Dereference the Descriptor to find if this is a large or small item.
*/
Temp8 = *Buffer;
if (Temp8 & 0x80)
{
/*
* Large Item
*/
/* Point to the length field */
Buffer += 1;
/* Dereference */
MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
/* Calculate bytes consumed */
*BytesConsumed = Temp16 + 3;
/* Point to the first vendor byte */
Buffer += 2;
}
else
{
/*
* Small Item
*/
/* Dereference the size */
Temp16 = (UINT8)(*Buffer & 0x07);
/* Calculate bytes consumed */
*BytesConsumed = Temp16 + 1;
/* Point to the first vendor byte */
Buffer += 1;
}
OutputStruct->Id = VendorSpecific;
OutputStruct->Data.VendorSpecific.Length = Temp16;
for (Index = 0; Index < Temp16; Index++)
{
OutputStruct->Data.VendorSpecific.Reserved[Index] = *Buffer;
Buffer += 1;
}
/*
* In order for the StructSize to fall on a 32-bit boundry,
* calculate the length of the vendor string and expand the
* StructSize to the next 32-bit boundry.
*/
StructSize += ROUND_UP_TO_32BITS (Temp16);
/*
* Set the Length parameter
*/
OutputStruct->Length = StructSize;
/*
* Return the final size of the structure
*/
*StructureSize = StructSize;
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiRsVendorStream
*
* PARAMETERS: LinkedList - Pointer to the resource linked list
* OutputBuffer - Pointer to the user's return buffer
* BytesConsumed - UINT32 pointer that is filled with
* the number of bytes of the
* OutputBuffer used
*
* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
*
* DESCRIPTION: Take the linked list resource structure and fills in the
* the appropriate bytes in a byte stream
*
******************************************************************************/
ACPI_STATUS
AcpiRsVendorStream (
RESOURCE *LinkedList,
UINT8 **OutputBuffer,
UINT32 *BytesConsumed)
{
UINT8 *Buffer = *OutputBuffer;
UINT16 Temp16 = 0;
UINT8 Temp8 = 0;
UINT8 Index;
FUNCTION_TRACE ("RsVendorStream");
/*
* Dereference the length to find if this is a large or small item.
*/
if(LinkedList->Data.VendorSpecific.Length > 7)
{
/*
* Large Item
*/
/*
* Set the descriptor field and length bytes
*/
*Buffer = 0x84;
Buffer += 1;
Temp16 = (UINT16) LinkedList->Data.VendorSpecific.Length;
MOVE_UNALIGNED16_TO_16 (Buffer, &Temp16);
Buffer += 2;
}
else
{
/*
* Small Item
*/
/*
* Set the descriptor field
*/
Temp8 = 0x70;
Temp8 |= LinkedList->Data.VendorSpecific.Length;
*Buffer = Temp8;
Buffer += 1;
}
/*
* Loop through all of the Vendor Specific fields
*/
for (Index = 0; Index < LinkedList->Data.VendorSpecific.Length; Index++)
{
Temp8 = LinkedList->Data.VendorSpecific.Reserved[Index];
*Buffer = Temp8;
Buffer += 1;
}
/*
* Return the number of bytes consumed in this operation
*/
*BytesConsumed = (UINT32) ((NATIVE_UINT) Buffer -
(NATIVE_UINT) *OutputBuffer);
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiRsStartDependentFunctionsResource
*
* PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte
* stream
* BytesConsumed - UINT32 pointer that is filled with
* the number of bytes consumed from
* the ByteStreamBuffer
* OutputBuffer - Pointer to the user's return buffer
* StructureSize - UINT32 pointer that is filled with
* the number of bytes in the filled
* in structure
*
* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
*
* DESCRIPTION: Take the resource byte stream and fill out the appropriate
* structure pointed to by the OutputBuffer. Return the
* number of bytes consumed from the byte stream.
*
******************************************************************************/
ACPI_STATUS
AcpiRsStartDependentFunctionsResource (
UINT8 *ByteStreamBuffer,
UINT32 *BytesConsumed,
UINT8 **OutputBuffer,
UINT32 *StructureSize)
{
UINT8 *Buffer = ByteStreamBuffer;
RESOURCE *OutputStruct = (RESOURCE *) * OutputBuffer;
UINT8 Temp8 = 0;
UINT32 StructSize =
sizeof(START_DEPENDENT_FUNCTIONS_RESOURCE) +
RESOURCE_LENGTH_NO_DATA;
FUNCTION_TRACE ("RsStartDependentFunctionsResource");
/*
* The number of bytes consumed are contained in the descriptor (Bits:0-1)
*/
Temp8 = *Buffer;
*BytesConsumed = (Temp8 & 0x01) + 1;
OutputStruct->Id = StartDependentFunctions;
/*
* Point to Byte 1 if it is used
*/
if (2 == *BytesConsumed)
{
Buffer += 1;
Temp8 = *Buffer;
/*
* Check Compatibility priority
*/
OutputStruct->Data.StartDependentFunctions.CompatibilityPriority =
Temp8 & 0x03;
if (3 == OutputStruct->Data.StartDependentFunctions.CompatibilityPriority)
{
return_ACPI_STATUS (AE_AML_ERROR);
}
/*
* Check Performance/Robustness preference
*/
OutputStruct->Data.StartDependentFunctions.PerformanceRobustness =
(Temp8 >> 2) & 0x03;
if (3 == OutputStruct->Data.StartDependentFunctions.PerformanceRobustness)
{
return_ACPI_STATUS (AE_AML_ERROR);
}
}
else
{
OutputStruct->Data.StartDependentFunctions.CompatibilityPriority =
ACCEPTABLE_CONFIGURATION;
OutputStruct->Data.StartDependentFunctions.PerformanceRobustness =
ACCEPTABLE_CONFIGURATION;
}
/*
* Set the Length parameter
*/
OutputStruct->Length = StructSize;
/*
* Return the final size of the structure
*/
*StructureSize = StructSize;
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiRsEndDependentFunctionsResource
*
* PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte
* stream
* BytesConsumed - UINT32 pointer that is filled with
* the number of bytes consumed from
* the ByteStreamBuffer
* OutputBuffer - Pointer to the user's return buffer
* StructureSize - UINT32 pointer that is filled with
* the number of bytes in the filled
* in structure
*
* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
*
* DESCRIPTION: Take the resource byte stream and fill out the appropriate
* structure pointed to by the OutputBuffer. Return the
* number of bytes consumed from the byte stream.
*
******************************************************************************/
ACPI_STATUS
AcpiRsEndDependentFunctionsResource (
UINT8 *ByteStreamBuffer,
UINT32 *BytesConsumed,
UINT8 **OutputBuffer,
UINT32 *StructureSize)
{
RESOURCE *OutputStruct = (RESOURCE *) * OutputBuffer;
UINT32 StructSize = RESOURCE_LENGTH;
FUNCTION_TRACE ("RsEndDependentFunctionsResource");
/*
* The number of bytes consumed is static
*/
*BytesConsumed = 1;
/*
* Fill out the structure
*/
OutputStruct->Id = EndDependentFunctions;
/*
* Set the Length parameter
*/
OutputStruct->Length = StructSize;
/*
* Return the final size of the structure
*/
*StructureSize = StructSize;
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiRsStartDependentFunctionsStream
*
* PARAMETERS: LinkedList - Pointer to the resource linked list
* OutputBuffer - Pointer to the user's return buffer
* BytesConsumed - UINT32 pointer that is filled with
* the number of bytes of the
* OutputBuffer used
*
* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
*
* DESCRIPTION: Take the linked list resource structure and fills in the
* the appropriate bytes in a byte stream
*
******************************************************************************/
ACPI_STATUS
AcpiRsStartDependentFunctionsStream (
RESOURCE *LinkedList,
UINT8 **OutputBuffer,
UINT32 *BytesConsumed)
{
UINT8 *Buffer = *OutputBuffer;
UINT8 Temp8 = 0;
FUNCTION_TRACE ("RsStartDependentFunctionsStream");
/*
* The descriptor field is set based upon whether a byte is needed
* to contain Priority data.
*/
if (ACCEPTABLE_CONFIGURATION ==
LinkedList->Data.StartDependentFunctions.CompatibilityPriority &&
ACCEPTABLE_CONFIGURATION ==
LinkedList->Data.StartDependentFunctions.PerformanceRobustness)
{
*Buffer = 0x30;
}
else
{
*Buffer = 0x31;
Buffer += 1;
/*
* Set the Priority Byte Definition
*/
Temp8 = 0;
Temp8 = (UINT8)
((LinkedList->Data.StartDependentFunctions.PerformanceRobustness &
0x03) << 2);
Temp8 |=
(LinkedList->Data.StartDependentFunctions.CompatibilityPriority &
0x03);
*Buffer = Temp8;
}
Buffer += 1;
/*
* Return the number of bytes consumed in this operation
*/
*BytesConsumed = (UINT32) ((NATIVE_UINT) Buffer -
(NATIVE_UINT) *OutputBuffer);
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiRsEndDependentFunctionsStream
*
* PARAMETERS: LinkedList - Pointer to the resource linked list
* OutputBuffer - Pointer to the user's return buffer
* BytesConsumed - UINT32 pointer that is filled with
* the number of bytes of the
* OutputBuffer used
*
* RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code
*
* DESCRIPTION: Take the linked list resource structure and fills in the
* the appropriate bytes in a byte stream
*
******************************************************************************/
ACPI_STATUS
AcpiRsEndDependentFunctionsStream (
RESOURCE *LinkedList,
UINT8 **OutputBuffer,
UINT32 *BytesConsumed
)
{
UINT8 *Buffer = *OutputBuffer;
FUNCTION_TRACE ("RsEndDependentFunctionsStream");
/*
* The descriptor field is static
*/
*Buffer = 0x38;
Buffer += 1;
/*
* Return the number of bytes consumed in this operation
*/
*BytesConsumed = (UINT32) ((NATIVE_UINT) Buffer -
(NATIVE_UINT) *OutputBuffer);
return_ACPI_STATUS (AE_OK);
}
Reference in New Issue Copy Permalink