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Diffstat (limited to 'sys/contrib/dev/acpica/rsio.c')
| -rw-r--r-- | sys/contrib/dev/acpica/rsio.c | 624 |
1 files changed, 624 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/rsio.c b/sys/contrib/dev/acpica/rsio.c new file mode 100644 index 0000000..439f380 --- /dev/null +++ b/sys/contrib/dev/acpica/rsio.c @@ -0,0 +1,624 @@ +/******************************************************************************* + * + * Module Name: rsio - IO and DMA resource descriptors + * $Revision: 25 $ + * + ******************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2004, 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") + + +/******************************************************************************* + * + * FUNCTION: AcpiRsIoResource + * + * 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 +AcpiRsIoResource ( + UINT8 *ByteStreamBuffer, + ACPI_SIZE *BytesConsumed, + UINT8 **OutputBuffer, + ACPI_SIZE *StructureSize) +{ + UINT8 *Buffer = ByteStreamBuffer; + ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer; + UINT16 Temp16 = 0; + UINT8 Temp8 = 0; + ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_IO); + + + ACPI_FUNCTION_TRACE ("RsIoResource"); + + + /* + * The number of bytes consumed are Constant + */ + *BytesConsumed = 8; + + OutputStruct->Id = ACPI_RSTYPE_IO; + + /* + * Check Decode + */ + Buffer += 1; + Temp8 = *Buffer; + + OutputStruct->Data.Io.IoDecode = Temp8 & 0x01; + + /* + * Check MinBase Address + */ + Buffer += 1; + ACPI_MOVE_16_TO_16 (&Temp16, Buffer); + + OutputStruct->Data.Io.MinBaseAddress = Temp16; + + /* + * Check MaxBase Address + */ + Buffer += 2; + ACPI_MOVE_16_TO_16 (&Temp16, Buffer); + + OutputStruct->Data.Io.MaxBaseAddress = Temp16; + + /* + * Check Base alignment + */ + Buffer += 2; + Temp8 = *Buffer; + + OutputStruct->Data.Io.Alignment = Temp8; + + /* + * Check RangeLength + */ + Buffer += 1; + Temp8 = *Buffer; + + OutputStruct->Data.Io.RangeLength = Temp8; + + /* + * Set the Length parameter + */ + OutputStruct->Length = (UINT32) StructSize; + + /* + * Return the final size of the structure + */ + *StructureSize = StructSize; + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsFixedIoResource + * + * 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 +AcpiRsFixedIoResource ( + UINT8 *ByteStreamBuffer, + ACPI_SIZE *BytesConsumed, + UINT8 **OutputBuffer, + ACPI_SIZE *StructureSize) +{ + UINT8 *Buffer = ByteStreamBuffer; + ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer; + UINT16 Temp16 = 0; + UINT8 Temp8 = 0; + ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_FIXED_IO); + + + ACPI_FUNCTION_TRACE ("RsFixedIoResource"); + + + /* + * The number of bytes consumed are Constant + */ + *BytesConsumed = 4; + + OutputStruct->Id = ACPI_RSTYPE_FIXED_IO; + + /* + * Check Range Base Address + */ + Buffer += 1; + ACPI_MOVE_16_TO_16 (&Temp16, Buffer); + + OutputStruct->Data.FixedIo.BaseAddress = Temp16; + + /* + * Check RangeLength + */ + Buffer += 2; + Temp8 = *Buffer; + + OutputStruct->Data.FixedIo.RangeLength = Temp8; + + /* + * Set the Length parameter + */ + OutputStruct->Length = (UINT32) StructSize; + + /* + * Return the final size of the structure + */ + *StructureSize = StructSize; + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsIoStream + * + * 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 +AcpiRsIoStream ( + ACPI_RESOURCE *LinkedList, + UINT8 **OutputBuffer, + ACPI_SIZE *BytesConsumed) +{ + UINT8 *Buffer = *OutputBuffer; + UINT16 Temp16 = 0; + UINT8 Temp8 = 0; + + + ACPI_FUNCTION_TRACE ("RsIoStream"); + + + /* + * The descriptor field is static + */ + *Buffer = 0x47; + Buffer += 1; + + /* + * Io Information Byte + */ + Temp8 = (UINT8) (LinkedList->Data.Io.IoDecode & 0x01); + + *Buffer = Temp8; + Buffer += 1; + + /* + * Set the Range minimum base address + */ + Temp16 = (UINT16) LinkedList->Data.Io.MinBaseAddress; + + ACPI_MOVE_16_TO_16 (Buffer, &Temp16); + Buffer += 2; + + /* + * Set the Range maximum base address + */ + Temp16 = (UINT16) LinkedList->Data.Io.MaxBaseAddress; + + ACPI_MOVE_16_TO_16 (Buffer, &Temp16); + Buffer += 2; + + /* + * Set the base alignment + */ + Temp8 = (UINT8) LinkedList->Data.Io.Alignment; + + *Buffer = Temp8; + Buffer += 1; + + /* + * Set the range length + */ + Temp8 = (UINT8) LinkedList->Data.Io.RangeLength; + + *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: AcpiRsFixedIoStream + * + * 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 +AcpiRsFixedIoStream ( + ACPI_RESOURCE *LinkedList, + UINT8 **OutputBuffer, + ACPI_SIZE *BytesConsumed) +{ + UINT8 *Buffer = *OutputBuffer; + UINT16 Temp16 = 0; + UINT8 Temp8 = 0; + + + ACPI_FUNCTION_TRACE ("RsFixedIoStream"); + + + /* + * The descriptor field is static + */ + *Buffer = 0x4B; + + Buffer += 1; + + /* + * Set the Range base address + */ + Temp16 = (UINT16) LinkedList->Data.FixedIo.BaseAddress; + + ACPI_MOVE_16_TO_16 (Buffer, &Temp16); + Buffer += 2; + + /* + * Set the range length + */ + Temp8 = (UINT8) LinkedList->Data.FixedIo.RangeLength; + + *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: AcpiRsDmaResource + * + * 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 +AcpiRsDmaResource ( + UINT8 *ByteStreamBuffer, + ACPI_SIZE *BytesConsumed, + UINT8 **OutputBuffer, + ACPI_SIZE *StructureSize) +{ + UINT8 *Buffer = ByteStreamBuffer; + ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer; + UINT8 Temp8 = 0; + UINT8 Index; + UINT8 i; + ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_DMA); + + + ACPI_FUNCTION_TRACE ("RsDmaResource"); + + + /* + * The number of bytes consumed are Constant + */ + *BytesConsumed = 3; + OutputStruct->Id = ACPI_RSTYPE_DMA; + + /* + * Point to the 8-bits of Byte 1 + */ + Buffer += 1; + Temp8 = *Buffer; + + /* Decode the DMA channel bits */ + + for (i = 0, Index = 0; Index < 8; Index++) + { + if ((Temp8 >> Index) & 0x01) + { + OutputStruct->Data.Dma.Channels[i] = Index; + i++; + } + } + + /* Zero DMA channels is valid */ + + OutputStruct->Data.Dma.NumberOfChannels = i; + if (i > 0) + { + /* + * Calculate the structure size based upon the number of interrupts + */ + StructSize += ((ACPI_SIZE) i - 1) * 4; + } + + /* + * Point to Byte 2 + */ + Buffer += 1; + Temp8 = *Buffer; + + /* + * Check for transfer preference (Bits[1:0]) + */ + OutputStruct->Data.Dma.Transfer = Temp8 & 0x03; + + if (0x03 == OutputStruct->Data.Dma.Transfer) + { + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid DMA.Transfer preference (3)\n")); + return_ACPI_STATUS (AE_BAD_DATA); + } + + /* + * Get bus master preference (Bit[2]) + */ + OutputStruct->Data.Dma.BusMaster = (Temp8 >> 2) & 0x01; + + /* + * Get channel speed support (Bits[6:5]) + */ + OutputStruct->Data.Dma.Type = (Temp8 >> 5) & 0x03; + + /* + * Set the Length parameter + */ + OutputStruct->Length = (UINT32) StructSize; + + /* + * Return the final size of the structure + */ + *StructureSize = StructSize; + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsDmaStream + * + * 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 +AcpiRsDmaStream ( + ACPI_RESOURCE *LinkedList, + UINT8 **OutputBuffer, + ACPI_SIZE *BytesConsumed) +{ + UINT8 *Buffer = *OutputBuffer; + UINT16 Temp16 = 0; + UINT8 Temp8 = 0; + UINT8 Index; + + + ACPI_FUNCTION_TRACE ("RsDmaStream"); + + + /* + * The descriptor field is static + */ + *Buffer = 0x2A; + Buffer += 1; + Temp8 = 0; + + /* + * Loop through all of the Channels and set the mask bits + */ + for (Index = 0; + Index < LinkedList->Data.Dma.NumberOfChannels; + Index++) + { + Temp16 = (UINT16) LinkedList->Data.Dma.Channels[Index]; + Temp8 |= 0x1 << Temp16; + } + + *Buffer = Temp8; + Buffer += 1; + + /* + * Set the DMA Info + */ + Temp8 = (UINT8) ((LinkedList->Data.Dma.Type & 0x03) << 5); + Temp8 |= ((LinkedList->Data.Dma.BusMaster & 0x01) << 2); + Temp8 |= (LinkedList->Data.Dma.Transfer & 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); +} + |
