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/*******************************************************************************
*
* Module Name: rsirq - IRQ 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.
*/
#define __RSIRQ_C__
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <contrib/dev/acpica/include/acresrc.h>
#define _COMPONENT ACPI_RESOURCES
ACPI_MODULE_NAME ("rsirq")
/*******************************************************************************
*
* AcpiRsGetIrq
*
******************************************************************************/
ACPI_RSCONVERT_INFO AcpiRsGetIrq[8] =
{
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ,
ACPI_RS_SIZE (ACPI_RESOURCE_IRQ),
ACPI_RSC_TABLE_SIZE (AcpiRsGetIrq)},
/* Get the IRQ mask (bytes 1:2) */
{ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]),
AML_OFFSET (Irq.IrqMask),
ACPI_RS_OFFSET (Data.Irq.InterruptCount)},
/* Set default flags (others are zero) */
{ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.Irq.Triggering),
ACPI_EDGE_SENSITIVE,
1},
/* Get the descriptor length (2 or 3 for IRQ descriptor) */
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Irq.DescriptorLength),
AML_OFFSET (Irq.DescriptorType),
0},
/* All done if no flag byte present in descriptor */
{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3},
/* Get flags: Triggering[0], Polarity[3], Sharing[4] */
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering),
AML_OFFSET (Irq.Flags),
0},
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity),
AML_OFFSET (Irq.Flags),
3},
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable),
AML_OFFSET (Irq.Flags),
4}
};
/*******************************************************************************
*
* AcpiRsSetIrq
*
******************************************************************************/
ACPI_RSCONVERT_INFO AcpiRsSetIrq[13] =
{
/* Start with a default descriptor of length 3 */
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ,
sizeof (AML_RESOURCE_IRQ),
ACPI_RSC_TABLE_SIZE (AcpiRsSetIrq)},
/* Convert interrupt list to 16-bit IRQ bitmask */
{ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]),
AML_OFFSET (Irq.IrqMask),
ACPI_RS_OFFSET (Data.Irq.InterruptCount)},
/* Set the flags byte */
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering),
AML_OFFSET (Irq.Flags),
0},
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity),
AML_OFFSET (Irq.Flags),
3},
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable),
AML_OFFSET (Irq.Flags),
4},
/*
* All done if the output descriptor length is required to be 3
* (i.e., optimization to 2 bytes cannot be attempted)
*/
{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
ACPI_RS_OFFSET(Data.Irq.DescriptorLength),
3},
/* Set length to 2 bytes (no flags byte) */
{ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)},
/*
* All done if the output descriptor length is required to be 2.
*
* TBD: Perhaps we should check for error if input flags are not
* compatible with a 2-byte descriptor.
*/
{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
ACPI_RS_OFFSET(Data.Irq.DescriptorLength),
2},
/* Reset length to 3 bytes (descriptor with flags byte) */
{ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ)},
/*
* Check if the flags byte is necessary. Not needed if the flags are:
* ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE
*/
{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
ACPI_RS_OFFSET (Data.Irq.Triggering),
ACPI_EDGE_SENSITIVE},
{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
ACPI_RS_OFFSET (Data.Irq.Polarity),
ACPI_ACTIVE_HIGH},
{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
ACPI_RS_OFFSET (Data.Irq.Sharable),
ACPI_EXCLUSIVE},
/* We can optimize to a 2-byte IrqNoFlags() descriptor */
{ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)}
};
/*******************************************************************************
*
* AcpiRsConvertExtIrq
*
******************************************************************************/
ACPI_RSCONVERT_INFO AcpiRsConvertExtIrq[9] =
{
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ),
ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtIrq)},
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ,
sizeof (AML_RESOURCE_EXTENDED_IRQ),
0},
/* Flag bits */
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.ProducerConsumer),
AML_OFFSET (ExtendedIrq.Flags),
0},
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Triggering),
AML_OFFSET (ExtendedIrq.Flags),
1},
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Polarity),
AML_OFFSET (ExtendedIrq.Flags),
2},
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Sharable),
AML_OFFSET (ExtendedIrq.Flags),
3},
/* IRQ Table length (Byte4) */
{ACPI_RSC_COUNT, ACPI_RS_OFFSET (Data.ExtendedIrq.InterruptCount),
AML_OFFSET (ExtendedIrq.InterruptCount),
sizeof (UINT32)},
/* Copy every IRQ in the table, each is 32 bits */
{ACPI_RSC_MOVE32, ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]),
AML_OFFSET (ExtendedIrq.Interrupts[0]),
0},
/* Optional ResourceSource (Index and String) */
{ACPI_RSC_SOURCEX, ACPI_RS_OFFSET (Data.ExtendedIrq.ResourceSource),
ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]),
sizeof (AML_RESOURCE_EXTENDED_IRQ)}
};
/*******************************************************************************
*
* AcpiRsConvertDma
*
******************************************************************************/
ACPI_RSCONVERT_INFO AcpiRsConvertDma[6] =
{
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA,
ACPI_RS_SIZE (ACPI_RESOURCE_DMA),
ACPI_RSC_TABLE_SIZE (AcpiRsConvertDma)},
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA,
sizeof (AML_RESOURCE_DMA),
0},
/* Flags: transfer preference, bus mastering, channel speed */
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Transfer),
AML_OFFSET (Dma.Flags),
0},
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Dma.BusMaster),
AML_OFFSET (Dma.Flags),
2},
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Type),
AML_OFFSET (Dma.Flags),
5},
/* DMA channel mask bits */
{ACPI_RSC_BITMASK, ACPI_RS_OFFSET (Data.Dma.Channels[0]),
AML_OFFSET (Dma.DmaChannelMask),
ACPI_RS_OFFSET (Data.Dma.ChannelCount)}
};