diff options
Diffstat (limited to 'sys/contrib/dev/acpica/rsmisc.c')
| -rw-r--r-- | sys/contrib/dev/acpica/rsmisc.c | 683 |
1 files changed, 683 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/rsmisc.c b/sys/contrib/dev/acpica/rsmisc.c new file mode 100644 index 0000000..e2d7d02 --- /dev/null +++ b/sys/contrib/dev/acpica/rsmisc.c @@ -0,0 +1,683 @@ +/******************************************************************************* + * + * Module Name: rsmisc - Miscellaneous resource descriptors + * $Revision: 24 $ + * + ******************************************************************************/ + +/****************************************************************************** + * + * 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 __RSMISC_C__ + +#include "acpi.h" +#include "acresrc.h" + +#define _COMPONENT ACPI_RESOURCES + ACPI_MODULE_NAME ("rsmisc") + + +/******************************************************************************* + * + * FUNCTION: AcpiRsEndTagResource + * + * PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte + * stream + * BytesConsumed - Pointer to where the number of bytes + * consumed the ByteStreamBuffer is + * returned + * OutputBuffer - Pointer to the return data buffer + * StructureSize - Pointer to where the number of bytes + * in the return data struct is returned + * + * RETURN: Status + * + * 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, + ACPI_SIZE *BytesConsumed, + UINT8 **OutputBuffer, + ACPI_SIZE *StructureSize) +{ + ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer; + ACPI_SIZE StructSize = ACPI_RESOURCE_LENGTH; + + + ACPI_FUNCTION_TRACE ("RsEndTagResource"); + + + /* + * The number of bytes consumed is static + */ + *BytesConsumed = 2; + + /* + * Fill out the structure + */ + OutputStruct->Id = ACPI_RSTYPE_END_TAG; + + /* + * 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 - Pointer to where the number of bytes + * used in the OutputBuffer is returned + * + * RETURN: Status + * + * DESCRIPTION: Take the linked list resource structure and fills in the + * the appropriate bytes in a byte stream + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsEndTagStream ( + ACPI_RESOURCE *LinkedList, + UINT8 **OutputBuffer, + ACPI_SIZE *BytesConsumed) +{ + UINT8 *Buffer = *OutputBuffer; + UINT8 Temp8 = 0; + + + ACPI_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 = ACPI_PTR_DIFF (Buffer, *OutputBuffer); + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsVendorResource + * + * PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte + * stream + * BytesConsumed - Pointer to where the number of bytes + * consumed the ByteStreamBuffer is + * returned + * OutputBuffer - Pointer to the return data buffer + * StructureSize - Pointer to where the number of bytes + * in the return data struct is returned + * + * RETURN: Status + * + * 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, + ACPI_SIZE *BytesConsumed, + UINT8 **OutputBuffer, + ACPI_SIZE *StructureSize) +{ + UINT8 *Buffer = ByteStreamBuffer; + ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer; + UINT16 Temp16 = 0; + UINT8 Temp8 = 0; + UINT8 Index; + ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_VENDOR); + + + ACPI_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 */ + + ACPI_MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer); + + /* Calculate bytes consumed */ + + *BytesConsumed = (ACPI_SIZE) Temp16 + 3; + + /* Point to the first vendor byte */ + + Buffer += 2; + } + else + { + /* + * Small Item, dereference the size + */ + Temp16 = (UINT8)(*Buffer & 0x07); + + /* Calculate bytes consumed */ + + *BytesConsumed = (ACPI_SIZE) Temp16 + 1; + + /* Point to the first vendor byte */ + + Buffer += 1; + } + + OutputStruct->Id = ACPI_RSTYPE_VENDOR; + 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 boundary, + * calculate the length of the vendor string and expand the + * StructSize to the next 32-bit boundary. + */ + StructSize += ACPI_ROUND_UP_TO_32BITS (Temp16); + + /* + * Set the Length parameter + */ + OutputStruct->Length = (UINT32) 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 - Pointer to where the number of bytes + * used in the OutputBuffer is returned + * + * RETURN: Status + * + * DESCRIPTION: Take the linked list resource structure and fills in the + * the appropriate bytes in a byte stream + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsVendorStream ( + ACPI_RESOURCE *LinkedList, + UINT8 **OutputBuffer, + ACPI_SIZE *BytesConsumed) +{ + UINT8 *Buffer = *OutputBuffer; + UINT16 Temp16 = 0; + UINT8 Temp8 = 0; + UINT8 Index; + + + ACPI_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; + + ACPI_MOVE_UNALIGNED16_TO_16 (Buffer, &Temp16); + Buffer += 2; + } + else + { + /* + * Small Item, Set the descriptor field + */ + Temp8 = 0x70; + Temp8 |= (UINT8) 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 = ACPI_PTR_DIFF (Buffer, *OutputBuffer); + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsStartDependFnsResource + * + * PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte + * stream + * BytesConsumed - Pointer to where the number of bytes + * consumed the ByteStreamBuffer is + * returned + * OutputBuffer - Pointer to the return data buffer + * StructureSize - Pointer to where the number of bytes + * in the return data struct is returned + * + * RETURN: Status + * + * 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 +AcpiRsStartDependFnsResource ( + UINT8 *ByteStreamBuffer, + ACPI_SIZE *BytesConsumed, + UINT8 **OutputBuffer, + ACPI_SIZE *StructureSize) +{ + UINT8 *Buffer = ByteStreamBuffer; + ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer; + UINT8 Temp8 = 0; + ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_START_DPF); + + + ACPI_FUNCTION_TRACE ("RsStartDependFnsResource"); + + + /* + * The number of bytes consumed are contained in the descriptor (Bits:0-1) + */ + Temp8 = *Buffer; + + *BytesConsumed = (Temp8 & 0x01) + 1; + + OutputStruct->Id = ACPI_RSTYPE_START_DPF; + + /* + * Point to Byte 1 if it is used + */ + if (2 == *BytesConsumed) + { + Buffer += 1; + Temp8 = *Buffer; + + /* + * Check Compatibility priority + */ + OutputStruct->Data.StartDpf.CompatibilityPriority = Temp8 & 0x03; + + if (3 == OutputStruct->Data.StartDpf.CompatibilityPriority) + { + return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE); + } + + /* + * Check Performance/Robustness preference + */ + OutputStruct->Data.StartDpf.PerformanceRobustness = (Temp8 >> 2) & 0x03; + + if (3 == OutputStruct->Data.StartDpf.PerformanceRobustness) + { + return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE); + } + } + else + { + OutputStruct->Data.StartDpf.CompatibilityPriority = + ACPI_ACCEPTABLE_CONFIGURATION; + + OutputStruct->Data.StartDpf.PerformanceRobustness = + ACPI_ACCEPTABLE_CONFIGURATION; + } + + /* + * Set the Length parameter + */ + OutputStruct->Length = (UINT32) StructSize; + + /* + * Return the final size of the structure + */ + *StructureSize = StructSize; + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsEndDependFnsResource + * + * PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte + * stream + * BytesConsumed - Pointer to where the number of bytes + * consumed the ByteStreamBuffer is + * returned + * OutputBuffer - Pointer to the return data buffer + * StructureSize - Pointer to where the number of bytes + * in the return data struct is returned + * + * RETURN: Status + * + * 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 +AcpiRsEndDependFnsResource ( + UINT8 *ByteStreamBuffer, + ACPI_SIZE *BytesConsumed, + UINT8 **OutputBuffer, + ACPI_SIZE *StructureSize) +{ + ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer; + ACPI_SIZE StructSize = ACPI_RESOURCE_LENGTH; + + + ACPI_FUNCTION_TRACE ("RsEndDependFnsResource"); + + + /* + * The number of bytes consumed is static + */ + *BytesConsumed = 1; + + /* + * Fill out the structure + */ + OutputStruct->Id = ACPI_RSTYPE_END_DPF; + + /* + * Set the Length parameter + */ + OutputStruct->Length = (UINT32) StructSize; + + /* + * Return the final size of the structure + */ + *StructureSize = StructSize; + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsStartDependFnsStream + * + * 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 + * + * DESCRIPTION: Take the linked list resource structure and fills in the + * the appropriate bytes in a byte stream + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsStartDependFnsStream ( + ACPI_RESOURCE *LinkedList, + UINT8 **OutputBuffer, + ACPI_SIZE *BytesConsumed) +{ + UINT8 *Buffer = *OutputBuffer; + UINT8 Temp8 = 0; + + + ACPI_FUNCTION_TRACE ("RsStartDependFnsStream"); + + + /* + * The descriptor field is set based upon whether a byte is needed + * to contain Priority data. + */ + if (ACPI_ACCEPTABLE_CONFIGURATION == + LinkedList->Data.StartDpf.CompatibilityPriority && + ACPI_ACCEPTABLE_CONFIGURATION == + LinkedList->Data.StartDpf.PerformanceRobustness) + { + *Buffer = 0x30; + } + else + { + *Buffer = 0x31; + Buffer += 1; + + /* + * Set the Priority Byte Definition + */ + Temp8 = 0; + Temp8 = (UINT8) ((LinkedList->Data.StartDpf.PerformanceRobustness & + 0x03) << 2); + Temp8 |= (LinkedList->Data.StartDpf.CompatibilityPriority & + 0x03); + *Buffer = Temp8; + } + + Buffer += 1; + + /* + * Return the number of bytes consumed in this operation + */ + *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer); + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsEndDependFnsStream + * + * PARAMETERS: LinkedList - Pointer to the resource linked list + * OutputBuffer - Pointer to the user's return buffer + * BytesConsumed - Pointer to where the number of bytes + * used in the OutputBuffer is returned + * + * RETURN: Status + * + * DESCRIPTION: Take the linked list resource structure and fills in the + * the appropriate bytes in a byte stream + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsEndDependFnsStream ( + ACPI_RESOURCE *LinkedList, + UINT8 **OutputBuffer, + ACPI_SIZE *BytesConsumed) +{ + UINT8 *Buffer = *OutputBuffer; + + + ACPI_FUNCTION_TRACE ("RsEndDependFnsStream"); + + + /* + * The descriptor field is static + */ + *Buffer = 0x38; + Buffer += 1; + + /* + * Return the number of bytes consumed in this operation + */ + *BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer); + return_ACPI_STATUS (AE_OK); +} + |
