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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/sys/contrib/dev/acpica/compiler/aslrestype1i.c |
/******************************************************************************
*
* Module Name: aslrestype1i - Small I/O-related resource descriptors
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <contrib/dev/acpica/compiler/aslcompiler.h>
#include "aslcompiler.y.h"
#define _COMPONENT ACPI_COMPILER
ACPI_MODULE_NAME ("aslrestype1i")
/*
* This module contains the I/O-related small resource descriptors:
*
* DMA
* FixedIO
* IO
* IRQ
* IRQNoFlags
*/
/*******************************************************************************
*
* FUNCTION: RsDoDmaDescriptor
*
* PARAMETERS: Op - Parent resource descriptor parse node
* CurrentByteOffset - Offset into the resource template AML
* buffer (to track references to the desc)
*
* RETURN: Completed resource node
*
* DESCRIPTION: Construct a short "DMA" descriptor
*
******************************************************************************/
ASL_RESOURCE_NODE *
RsDoDmaDescriptor (
ACPI_PARSE_OBJECT *Op,
UINT32 CurrentByteOffset)
{
AML_RESOURCE *Descriptor;
ACPI_PARSE_OBJECT *InitializerOp;
ASL_RESOURCE_NODE *Rnode;
UINT32 i;
UINT8 DmaChannelMask = 0;
UINT8 DmaChannels = 0;
InitializerOp = Op->Asl.Child;
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_DMA));
Descriptor = Rnode->Buffer;
Descriptor->Dma.DescriptorType = ACPI_RESOURCE_NAME_DMA |
ASL_RDESC_DMA_SIZE;
/* Process all child initialization nodes */
for (i = 0; InitializerOp; i++)
{
switch (i)
{
case 0: /* DMA type */
RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 5, 0);
RsCreateBitField (InitializerOp, ACPI_RESTAG_DMATYPE,
CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 5);
break;
case 1: /* Bus Master */
RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 2, 0);
RsCreateBitField (InitializerOp, ACPI_RESTAG_BUSMASTER,
CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 2);
break;
case 2: /* Xfer Type (transfer width) */
RsSetFlagBits (&Descriptor->Dma.Flags, InitializerOp, 0, 0);
RsCreateBitField (InitializerOp, ACPI_RESTAG_XFERTYPE,
CurrentByteOffset + ASL_RESDESC_OFFSET (Dma.Flags), 0);
break;
case 3: /* Name */
UtAttachNamepathToOwner (Op, InitializerOp);
break;
default:
/* All DMA channel bytes are handled here, after flags and name */
if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
{
/* Up to 8 channels can be specified in the list */
DmaChannels++;
if (DmaChannels > 8)
{
AslError (ASL_ERROR, ASL_MSG_DMA_LIST,
InitializerOp, NULL);
return (Rnode);
}
/* Only DMA channels 0-7 are allowed (mask is 8 bits) */
if (InitializerOp->Asl.Value.Integer > 7)
{
AslError (ASL_ERROR, ASL_MSG_DMA_CHANNEL,
InitializerOp, NULL);
}
/* Build the mask */
DmaChannelMask |=
(1 << ((UINT8) InitializerOp->Asl.Value.Integer));
}
if (i == 4) /* case 4: First DMA byte */
{
/* Check now for duplicates in list */
RsCheckListForDuplicates (InitializerOp);
/* Create a named field at the start of the list */
RsCreateByteField (InitializerOp, ACPI_RESTAG_DMA,
CurrentByteOffset +
ASL_RESDESC_OFFSET (Dma.DmaChannelMask));
}
break;
}
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
}
/* Now we can set the channel mask */
Descriptor->Dma.DmaChannelMask = DmaChannelMask;
return (Rnode);
}
/*******************************************************************************
*
* FUNCTION: RsDoFixedIoDescriptor
*
* PARAMETERS: Op - Parent resource descriptor parse node
* CurrentByteOffset - Offset into the resource template AML
* buffer (to track references to the desc)
*
* RETURN: Completed resource node
*
* DESCRIPTION: Construct a short "FixedIO" descriptor
*
******************************************************************************/
ASL_RESOURCE_NODE *
RsDoFixedIoDescriptor (
ACPI_PARSE_OBJECT *Op,
UINT32 CurrentByteOffset)
{
AML_RESOURCE *Descriptor;
ACPI_PARSE_OBJECT *InitializerOp;
ACPI_PARSE_OBJECT *AddressOp = NULL;
ASL_RESOURCE_NODE *Rnode;
UINT32 i;
InitializerOp = Op->Asl.Child;
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_FIXED_IO));
Descriptor = Rnode->Buffer;
Descriptor->Io.DescriptorType = ACPI_RESOURCE_NAME_FIXED_IO |
ASL_RDESC_FIXED_IO_SIZE;
/* Process all child initialization nodes */
for (i = 0; InitializerOp; i++)
{
switch (i)
{
case 0: /* Base Address */
Descriptor->FixedIo.Address =
(UINT16) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_BASEADDRESS,
CurrentByteOffset + ASL_RESDESC_OFFSET (FixedIo.Address));
AddressOp = InitializerOp;
break;
case 1: /* Length */
Descriptor->FixedIo.AddressLength =
(UINT8) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH,
CurrentByteOffset + ASL_RESDESC_OFFSET (FixedIo.AddressLength));
break;
case 2: /* Name */
UtAttachNamepathToOwner (Op, InitializerOp);
break;
default:
AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
break;
}
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
}
/* Error checks */
if (Descriptor->FixedIo.Address > 0x03FF)
{
AslError (ASL_WARNING, ASL_MSG_ISA_ADDRESS, AddressOp, NULL);
}
return (Rnode);
}
/*******************************************************************************
*
* FUNCTION: RsDoIoDescriptor
*
* PARAMETERS: Op - Parent resource descriptor parse node
* CurrentByteOffset - Offset into the resource template AML
* buffer (to track references to the desc)
*
* RETURN: Completed resource node
*
* DESCRIPTION: Construct a short "IO" descriptor
*
******************************************************************************/
ASL_RESOURCE_NODE *
RsDoIoDescriptor (
ACPI_PARSE_OBJECT *Op,
UINT32 CurrentByteOffset)
{
AML_RESOURCE *Descriptor;
ACPI_PARSE_OBJECT *InitializerOp;
ACPI_PARSE_OBJECT *MinOp = NULL;
ACPI_PARSE_OBJECT *MaxOp = NULL;
ACPI_PARSE_OBJECT *LengthOp = NULL;
ACPI_PARSE_OBJECT *AlignOp = NULL;
ASL_RESOURCE_NODE *Rnode;
UINT32 i;
InitializerOp = Op->Asl.Child;
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IO));
Descriptor = Rnode->Buffer;
Descriptor->Io.DescriptorType = ACPI_RESOURCE_NAME_IO |
ASL_RDESC_IO_SIZE;
/* Process all child initialization nodes */
for (i = 0; InitializerOp; i++)
{
switch (i)
{
case 0: /* Decode size */
RsSetFlagBits (&Descriptor->Io.Flags, InitializerOp, 0, 1);
RsCreateBitField (InitializerOp, ACPI_RESTAG_DECODE,
CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Flags), 0);
break;
case 1: /* Min Address */
Descriptor->Io.Minimum =
(UINT16) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_MINADDR,
CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Minimum));
MinOp = InitializerOp;
break;
case 2: /* Max Address */
Descriptor->Io.Maximum =
(UINT16) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_MAXADDR,
CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Maximum));
MaxOp = InitializerOp;
break;
case 3: /* Alignment */
Descriptor->Io.Alignment =
(UINT8) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_ALIGNMENT,
CurrentByteOffset + ASL_RESDESC_OFFSET (Io.Alignment));
AlignOp = InitializerOp;
break;
case 4: /* Length */
Descriptor->Io.AddressLength =
(UINT8) InitializerOp->Asl.Value.Integer;
RsCreateByteField (InitializerOp, ACPI_RESTAG_LENGTH,
CurrentByteOffset + ASL_RESDESC_OFFSET (Io.AddressLength));
LengthOp = InitializerOp;
break;
case 5: /* Name */
UtAttachNamepathToOwner (Op, InitializerOp);
break;
default:
AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
break;
}
InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
}
/* Validate the Min/Max/Len/Align values */
RsSmallAddressCheck (ACPI_RESOURCE_NAME_IO,
Descriptor->Io.Minimum,
Descriptor->Io.Maximum,
Descriptor->Io.AddressLength,
Descriptor->Io.Alignment,
MinOp, MaxOp, LengthOp, AlignOp, Op);
return (Rnode);
}
/*******************************************************************************
*
* FUNCTION: RsDoIrqDescriptor
*
* PARAMETERS: Op - Parent resource descriptor parse node
* CurrentByteOffset - Offset into the resource template AML
* buffer (to track references to the desc)
*
* RETURN: Completed resource node
*
* DESCRIPTION: Construct a short "IRQ" descriptor
*
******************************************************************************/
ASL_RESOURCE_NODE *
RsDoIrqDescriptor (
ACPI_PARSE_OBJECT *Op,
UINT32 CurrentByteOffset)
{
AML_RESOURCE *Descriptor;
ACPI_PARSE_OBJECT *InitializerOp;
ASL_RESOURCE_NODE *Rnode;
UINT32 Interrupts = 0;
UINT16 IrqMask = 0;
UINT32 i;
InitializerOp = Op->Asl.Child;
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IRQ));
/* Length = 3 (with flag byte) */
Descriptor = Rnode->Buffer;
Descriptor->Irq.DescriptorType = ACPI_RESOURCE_NAME_IRQ |
(ASL_RDESC_IRQ_SIZE + 0x01);
/* Process all child initialization nodes */
for (i = 0; InitializerOp; i++)
{
switch (i)
{
case 0: /* Interrupt Type (or Mode - edge/level) */
RsSetFlagBits (&Descriptor->Irq.Flags, InitializerOp, 0, 1);
RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE,
CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.Flags), 0);
break;
case 1: /* Interrupt Level (or Polarity - Active high/low) */
RsSetFlagBits (&Descriptor->Irq.Flags, InitializerOp, 3, 0);
RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL,
CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.Flags), 3);
break;
case 2: /* Share Type - Default: exclusive (0) */
RsSetFlagBits (&Descriptor->Irq.Flags, InitializerOp, 4, 0);
RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
CurrentByteOffset + ASL_RESDESC_OFFSET (Irq.Flags), 4);
break;
case 3: /* Name */
UtAttachNamepathToOwner (Op, InitializerOp);
break;
default:
/* All IRQ bytes are handled here, after the flags and name */
if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
{
/* Up to 16 interrupts can be specified in the list */
Interrupts++;
if (Interrupts > 16)
{
AslError (ASL_ERROR, ASL_MSG_INTERRUPT_LIST,
InitializerOp, NULL);
return (Rnode);
}
/* Only interrupts 0-15 are allowed (mask is 16 bits) */
if (InitializerOp->Asl.Value.Integer > 15)
{
AslError (ASL_ERROR, ASL_MSG_INTERRUPT_NUMBER,
InitializerOp, NULL);
}
else
{
IrqMask |= (1 << (UINT8) InitializerOp->Asl.Value.Integer);
}
}
/* Case 4: First IRQ value in list */
if (i == 4)
{
/* 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 channel mask */
Descriptor->Irq.IrqMask = IrqMask;
return (Rnode);
}
/*******************************************************************************
*
* FUNCTION: RsDoIrqNoFlagsDescriptor
*
* PARAMETERS: Op - Parent resource descriptor parse node
* CurrentByteOffset - Offset into the resource template AML
* buffer (to track references to the desc)
*
* RETURN: Completed resource node
*
* DESCRIPTION: Construct a short "IRQNoFlags" descriptor
*
******************************************************************************/
ASL_RESOURCE_NODE *
RsDoIrqNoFlagsDescriptor (
ACPI_PARSE_OBJECT *Op,
UINT32 CurrentByteOffset)
{
AML_RESOURCE *Descriptor;
ACPI_PARSE_OBJECT *InitializerOp;
ASL_RESOURCE_NODE *Rnode;
UINT16 IrqMask = 0;
UINT32 Interrupts = 0;
UINT32 i;
InitializerOp = Op->Asl.Child;
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IRQ_NOFLAGS));
Descriptor = Rnode->Buffer;
Descriptor->Irq.DescriptorType = ACPI_RESOURCE_NAME_IRQ |
ASL_RDESC_IRQ_SIZE;
/* Process all child initialization nodes */
for (i = 0; InitializerOp; i++)
{
switch (i)
{
case 0: /* Name */
UtAttachNamepathToOwner (Op, InitializerOp);
break;
default:
/* IRQ bytes are handled here, after the flags and name */
if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
{
/* Up to 16 interrupts can be specified in the list */
Interrupts++;
if (Interrupts > 16)
{
AslError (ASL_ERROR, ASL_MSG_INTERRUPT_LIST,
InitializerOp, NULL);
return (Rnode);
}
/* Only interrupts 0-15 are allowed (mask is 16 bits) */
if (InitializerOp->Asl.Value.Integer > 15)
{
AslError (ASL_ERROR, ASL_MSG_INTERRUPT_NUMBER,
InitializerOp, NULL);
}
else
{
IrqMask |= (1 << ((UINT8) InitializerOp->Asl.Value.Integer));
}
}
/* Case 1: First IRQ value in list */
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);
}