diff options
author | Mike Smith <msmith@FreeBSD.org> | 2000-10-28 05:01:06 +0000 |
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committer | Mike Smith <msmith@FreeBSD.org> | 2000-10-28 05:01:06 +0000 |
commit | 926328c40640129470e712faa4614b6a317c00a9 (patch) | |
tree | 7aa2f379c75259b97c8b033bddc2a8966ec9f18d /sys/contrib/dev/acpica/Subsystem/Resources/rsmisc.c |
Notes
Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Resources/rsmisc.c')
-rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Resources/rsmisc.c | 725 |
1 files changed, 725 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Resources/rsmisc.c b/sys/contrib/dev/acpica/Subsystem/Resources/rsmisc.c new file mode 100644 index 0000000000000..23170e6a4714a --- /dev/null +++ b/sys/contrib/dev/acpica/Subsystem/Resources/rsmisc.c @@ -0,0 +1,725 @@ +/******************************************************************************* + * + * Module Name: rsmisc - AcpiRsEndTagResource + * AcpiRsEndTagStream + * AcpiRsVendorResource + * AcpiRsVendorStream + * AcpiRsStartDependentFunctionsResource + * AcpiRsEndDependentFunctionsResource + * AcpiRsStartDependentFunctionsStream + * AcpiRsEndDependentFunctionsStream + * $Revision: 9 $ + * + ******************************************************************************/ + +/****************************************************************************** + * + * 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 __RSMISC_C__ + +#include "acpi.h" + +#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); +} + |