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/*******************************************************************************

 *

 * Module Name: rsirq - IRQ resource descriptors

 *

 ******************************************************************************/

/******************************************************************************

 *

 * 1. Copyright Notice

 *

 * Some or all of this work - Copyright (c) 1999 - 2011, 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 __RSIRQ_C__

#include "acpi.h"

#include "accommon.h"

#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)}

};