597 lines
18 KiB
C
597 lines
18 KiB
C
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/******************************************************************************
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*
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* Module Name: aslrestype1i - Small I/O-related resource descriptors
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2011, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include "aslcompiler.h"
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#include "aslcompiler.y.h"
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("aslrestype1i")
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/*
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* This module contains the I/O-related small resource descriptors:
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*
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* DMA
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* FixedIO
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* IO
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* IRQ
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* IRQNoFlags
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*/
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/*******************************************************************************
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*
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* FUNCTION: RsDoDmaDescriptor
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*
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* PARAMETERS: Op - Parent resource descriptor parse node
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* CurrentByteOffset - Offset into the resource template AML
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* buffer (to track references to the desc)
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*
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* RETURN: Completed resource node
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*
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* DESCRIPTION: Construct a short "DMA" descriptor
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*
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******************************************************************************/
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ASL_RESOURCE_NODE *
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RsDoDmaDescriptor (
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ACPI_PARSE_OBJECT *Op,
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UINT32 CurrentByteOffset)
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{
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AML_RESOURCE *Descriptor;
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ACPI_PARSE_OBJECT *InitializerOp;
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ASL_RESOURCE_NODE *Rnode;
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UINT32 i;
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UINT8 DmaChannelMask = 0;
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UINT8 DmaChannels = 0;
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InitializerOp = Op->Asl.Child;
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Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_DMA));
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Descriptor = Rnode->Buffer;
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Descriptor->Dma.DescriptorType = ACPI_RESOURCE_NAME_DMA |
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ASL_RDESC_DMA_SIZE;
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/* Process all child initialization nodes */
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for (i = 0; InitializerOp; i++)
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{
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switch (i)
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{
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case 0: /* DMA type */
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RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 5, 0);
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RsCreateBitField (InitializerOp, ACPI_RESTAG_DMATYPE,
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CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 5);
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break;
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case 1: /* Bus Master */
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RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 2, 0);
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RsCreateBitField (InitializerOp, ACPI_RESTAG_BUSMASTER,
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CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 2);
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break;
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case 2: /* Xfer Type (transfer width) */
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RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 0, 0);
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RsCreateBitField (InitializerOp, ACPI_RESTAG_XFERTYPE,
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CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 0);
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break;
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case 3: /* Name */
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UtAttachNamepathToOwner (Op, InitializerOp);
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break;
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default:
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/* All DMA channel bytes are handled here, after flags and name */
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if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
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{
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/* Up to 8 channels can be specified in the list */
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DmaChannels++;
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if (DmaChannels > 8)
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{
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AslError (ASL_ERROR, ASL_MSG_DMA_LIST,
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InitializerOp, NULL);
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return (Rnode);
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}
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/* Only DMA channels 0-7 are allowed (mask is 8 bits) */
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if (InitializerOp->Asl.Value.Integer > 7)
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{
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AslError (ASL_ERROR, ASL_MSG_DMA_CHANNEL,
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InitializerOp, NULL);
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}
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/* Build the mask */
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DmaChannelMask |=
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(1 << ((UINT8) InitializerOp->Asl.Value.Integer));
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}
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if (i == 4) /* case 4: First DMA byte */
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{
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/* Check now for duplicates in list */
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RsCheckListForDuplicates (InitializerOp);
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/* Create a named field at the start of the list */
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RsCreateByteField (InitializerOp, ACPI_RESTAG_DMA,
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CurrentByteOffset +
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ASL_RESDESC_OFFSET (Dma.DmaChannelMask));
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}
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break;
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}
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InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
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}
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/* Now we can set the channel mask */
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Descriptor->Dma.DmaChannelMask = DmaChannelMask;
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return (Rnode);
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}
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/*******************************************************************************
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*
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* FUNCTION: RsDoFixedIoDescriptor
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*
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* PARAMETERS: Op - Parent resource descriptor parse node
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* CurrentByteOffset - Offset into the resource template AML
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* buffer (to track references to the desc)
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*
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* RETURN: Completed resource node
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*
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* DESCRIPTION: Construct a short "FixedIO" descriptor
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*
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******************************************************************************/
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ASL_RESOURCE_NODE *
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RsDoFixedIoDescriptor (
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ACPI_PARSE_OBJECT *Op,
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UINT32 CurrentByteOffset)
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{
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AML_RESOURCE *Descriptor;
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ACPI_PARSE_OBJECT *InitializerOp;
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ACPI_PARSE_OBJECT *AddressOp = NULL;
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ASL_RESOURCE_NODE *Rnode;
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UINT32 i;
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InitializerOp = Op->Asl.Child;
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Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_FIXED_IO));
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Descriptor = Rnode->Buffer;
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Descriptor->Io.DescriptorType = ACPI_RESOURCE_NAME_FIXED_IO |
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ASL_RDESC_FIXED_IO_SIZE;
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/* Process all child initialization nodes */
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for (i = 0; InitializerOp; i++)
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{
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switch (i)
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{
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case 0: /* Base Address */
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Descriptor->FixedIo.Address =
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(UINT16) InitializerOp->Asl.Value.Integer;
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RsCreateByteField (InitializerOp, ACPI_RESTAG_BASEADDRESS,
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CurrentByteOffset + ASL_RESDESC_OFFSET (FixedIo.Address));
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AddressOp = InitializerOp;
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break;
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case 1: /* Length */
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Descriptor->FixedIo.AddressLength =
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(UINT8) InitializerOp->Asl.Value.Integer;
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RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH,
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CurrentByteOffset + ASL_RESDESC_OFFSET (FixedIo.AddressLength));
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break;
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case 2: /* Name */
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UtAttachNamepathToOwner (Op, InitializerOp);
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break;
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default:
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AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
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break;
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}
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InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
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}
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/* Error checks */
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if (Descriptor->FixedIo.Address > 0x03FF)
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{
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AslError (ASL_WARNING, ASL_MSG_ISA_ADDRESS, AddressOp, NULL);
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}
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return (Rnode);
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}
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/*******************************************************************************
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*
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* FUNCTION: RsDoIoDescriptor
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*
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* PARAMETERS: Op - Parent resource descriptor parse node
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* CurrentByteOffset - Offset into the resource template AML
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* buffer (to track references to the desc)
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*
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* RETURN: Completed resource node
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*
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* DESCRIPTION: Construct a short "IO" descriptor
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*
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******************************************************************************/
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ASL_RESOURCE_NODE *
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RsDoIoDescriptor (
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ACPI_PARSE_OBJECT *Op,
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UINT32 CurrentByteOffset)
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{
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AML_RESOURCE *Descriptor;
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ACPI_PARSE_OBJECT *InitializerOp;
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ACPI_PARSE_OBJECT *MinOp = NULL;
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ACPI_PARSE_OBJECT *MaxOp = NULL;
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ACPI_PARSE_OBJECT *LengthOp = NULL;
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ACPI_PARSE_OBJECT *AlignOp = NULL;
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ASL_RESOURCE_NODE *Rnode;
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UINT32 i;
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InitializerOp = Op->Asl.Child;
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Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IO));
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Descriptor = Rnode->Buffer;
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Descriptor->Io.DescriptorType = ACPI_RESOURCE_NAME_IO |
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ASL_RDESC_IO_SIZE;
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/* Process all child initialization nodes */
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for (i = 0; InitializerOp; i++)
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{
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switch (i)
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{
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case 0: /* Decode size */
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RsSetFlagBits (&Descriptor->Io.Flags, InitializerOp, 0, 1);
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RsCreateBitField (InitializerOp, ACPI_RESTAG_DECODE,
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CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Flags), 0);
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break;
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case 1: /* Min Address */
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Descriptor->Io.Minimum =
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(UINT16) InitializerOp->Asl.Value.Integer;
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RsCreateByteField (InitializerOp, ACPI_RESTAG_MINADDR,
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CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Minimum));
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MinOp = InitializerOp;
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break;
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case 2: /* Max Address */
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Descriptor->Io.Maximum =
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(UINT16) InitializerOp->Asl.Value.Integer;
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RsCreateByteField (InitializerOp, ACPI_RESTAG_MAXADDR,
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CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Maximum));
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MaxOp = InitializerOp;
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break;
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case 3: /* Alignment */
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Descriptor->Io.Alignment =
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(UINT8) InitializerOp->Asl.Value.Integer;
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RsCreateByteField (InitializerOp, ACPI_RESTAG_ALIGNMENT,
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CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Alignment));
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AlignOp = InitializerOp;
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break;
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case 4: /* Length */
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Descriptor->Io.AddressLength =
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(UINT8) InitializerOp->Asl.Value.Integer;
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RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH,
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CurrentByteOffset + ASL_RESDESC_OFFSET (Io.AddressLength));
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LengthOp = InitializerOp;
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break;
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case 5: /* Name */
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UtAttachNamepathToOwner (Op, InitializerOp);
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break;
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default:
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AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
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break;
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}
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InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
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}
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/* Validate the Min/Max/Len/Align values */
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RsSmallAddressCheck (ACPI_RESOURCE_NAME_IO,
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Descriptor->Io.Minimum,
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Descriptor->Io.Maximum,
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Descriptor->Io.AddressLength,
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Descriptor->Io.Alignment,
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MinOp, MaxOp, LengthOp, AlignOp, Op);
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return (Rnode);
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}
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/*******************************************************************************
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*
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* FUNCTION: RsDoIrqDescriptor
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*
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* PARAMETERS: Op - Parent resource descriptor parse node
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* CurrentByteOffset - Offset into the resource template AML
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* buffer (to track references to the desc)
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*
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* RETURN: Completed resource node
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*
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* DESCRIPTION: Construct a short "IRQ" descriptor
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*
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******************************************************************************/
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ASL_RESOURCE_NODE *
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RsDoIrqDescriptor (
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ACPI_PARSE_OBJECT *Op,
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UINT32 CurrentByteOffset)
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{
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AML_RESOURCE *Descriptor;
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ACPI_PARSE_OBJECT *InitializerOp;
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ASL_RESOURCE_NODE *Rnode;
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UINT32 Interrupts = 0;
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UINT16 IrqMask = 0;
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UINT32 i;
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InitializerOp = Op->Asl.Child;
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Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IRQ));
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/* Length = 3 (with flag byte) */
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Descriptor = Rnode->Buffer;
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Descriptor->Irq.DescriptorType = ACPI_RESOURCE_NAME_IRQ |
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(ASL_RDESC_IRQ_SIZE + 0x01);
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/* Process all child initialization nodes */
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for (i = 0; InitializerOp; i++)
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{
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switch (i)
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{
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case 0: /* Interrupt Type (or Mode - edge/level) */
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RsSetFlagBits (&Descriptor->Irq.Flags, InitializerOp, 0, 1);
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RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE,
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CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.Flags), 0);
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break;
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case 1: /* Interrupt Level (or Polarity - Active high/low) */
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RsSetFlagBits (&Descriptor->Irq.Flags, InitializerOp, 3, 0);
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RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL,
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CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.Flags), 3);
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break;
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case 2: /* Share Type - Default: exclusive (0) */
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RsSetFlagBits (&Descriptor->Irq.Flags, InitializerOp, 4, 0);
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RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
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CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.Flags), 4);
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break;
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case 3: /* Name */
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UtAttachNamepathToOwner (Op, InitializerOp);
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break;
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default:
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/* All IRQ bytes are handled here, after the flags and name */
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if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
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{
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/* Up to 16 interrupts can be specified in the list */
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Interrupts++;
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if (Interrupts > 16)
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{
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AslError (ASL_ERROR, ASL_MSG_INTERRUPT_LIST,
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InitializerOp, NULL);
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return (Rnode);
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}
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/* Only interrupts 0-15 are allowed (mask is 16 bits) */
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if (InitializerOp->Asl.Value.Integer > 15)
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{
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AslError (ASL_ERROR, ASL_MSG_INTERRUPT_NUMBER,
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InitializerOp, NULL);
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}
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else
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{
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IrqMask |= (1 << (UINT8) InitializerOp->Asl.Value.Integer);
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}
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}
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/* Case 4: First IRQ value in list */
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if (i == 4)
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{
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/* Check now for duplicates in list */
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RsCheckListForDuplicates (InitializerOp);
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/* Create a named field at the start of the list */
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RsCreateByteField (InitializerOp, ACPI_RESTAG_INTERRUPT,
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CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.IrqMask));
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}
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break;
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}
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InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
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}
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/* Now we can set the channel mask */
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Descriptor->Irq.IrqMask = IrqMask;
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return (Rnode);
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}
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/*******************************************************************************
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*
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* FUNCTION: RsDoIrqNoFlagsDescriptor
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*
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* PARAMETERS: Op - Parent resource descriptor parse node
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* CurrentByteOffset - Offset into the resource template AML
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* buffer (to track references to the desc)
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*
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* RETURN: Completed resource node
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*
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* DESCRIPTION: Construct a short "IRQNoFlags" descriptor
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*
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******************************************************************************/
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ASL_RESOURCE_NODE *
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RsDoIrqNoFlagsDescriptor (
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ACPI_PARSE_OBJECT *Op,
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UINT32 CurrentByteOffset)
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{
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AML_RESOURCE *Descriptor;
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ACPI_PARSE_OBJECT *InitializerOp;
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ASL_RESOURCE_NODE *Rnode;
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UINT16 IrqMask = 0;
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UINT32 Interrupts = 0;
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UINT32 i;
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InitializerOp = Op->Asl.Child;
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Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IRQ_NOFLAGS));
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Descriptor = Rnode->Buffer;
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Descriptor->Irq.DescriptorType = ACPI_RESOURCE_NAME_IRQ |
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ASL_RDESC_IRQ_SIZE;
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/* Process all child initialization nodes */
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for (i = 0; InitializerOp; i++)
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{
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switch (i)
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{
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case 0: /* Name */
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UtAttachNamepathToOwner (Op, InitializerOp);
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break;
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default:
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/* IRQ bytes are handled here, after the flags and name */
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if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
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{
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/* Up to 16 interrupts can be specified in the list */
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Interrupts++;
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if (Interrupts > 16)
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{
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AslError (ASL_ERROR, ASL_MSG_INTERRUPT_LIST,
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InitializerOp, NULL);
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return (Rnode);
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}
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/* Only interrupts 0-15 are allowed (mask is 16 bits) */
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if (InitializerOp->Asl.Value.Integer > 15)
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{
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AslError (ASL_ERROR, ASL_MSG_INTERRUPT_NUMBER,
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InitializerOp, NULL);
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}
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else
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{
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IrqMask |= (1 << ((UINT8) InitializerOp->Asl.Value.Integer));
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}
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}
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/* Case 1: First IRQ value in list */
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|
if (i == 1)
|
|
{
|
|
/* Check now for duplicates in list */
|
|
|
|
RsCheckListForDuplicates (InitializerOp);
|
|
|
|
/* Create a named field at the start of the list */
|
|
|
|
RsCreateByteField (InitializerOp, ACPI_RESTAG_INTERRUPT,
|
|
CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.IrqMask));
|
|
}
|
|
break;
|
|
}
|
|
|
|
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
|
|
}
|
|
|
|
/* Now we can set the interrupt mask */
|
|
|
|
Descriptor->Irq.IrqMask = IrqMask;
|
|
return (Rnode);
|
|
}
|