349 lines
14 KiB
C
349 lines
14 KiB
C
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/*******************************************************************************
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*
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* Module Name: rsirq - IRQ resource descriptors
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*
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******************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#define __RSIRQ_C__
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#include "acpi.h"
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#include "accommon.h"
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#include "acresrc.h"
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#define _COMPONENT ACPI_RESOURCES
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ACPI_MODULE_NAME ("rsirq")
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/*******************************************************************************
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*
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* AcpiRsGetIrq
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*
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******************************************************************************/
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ACPI_RSCONVERT_INFO AcpiRsGetIrq[8] =
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{
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ,
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ACPI_RS_SIZE (ACPI_RESOURCE_IRQ),
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ACPI_RSC_TABLE_SIZE (AcpiRsGetIrq)},
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/* Get the IRQ mask (bytes 1:2) */
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{ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]),
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AML_OFFSET (Irq.IrqMask),
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ACPI_RS_OFFSET (Data.Irq.InterruptCount)},
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/* Set default flags (others are zero) */
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{ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.Irq.Triggering),
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ACPI_EDGE_SENSITIVE,
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1},
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/* Get the descriptor length (2 or 3 for IRQ descriptor) */
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{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Irq.DescriptorLength),
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AML_OFFSET (Irq.DescriptorType),
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0},
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/* All done if no flag byte present in descriptor */
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{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3},
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/* Get flags: Triggering[0], Polarity[3], Sharing[4] */
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering),
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AML_OFFSET (Irq.Flags),
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0},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity),
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AML_OFFSET (Irq.Flags),
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3},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable),
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AML_OFFSET (Irq.Flags),
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4}
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};
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/*******************************************************************************
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*
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* AcpiRsSetIrq
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*
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******************************************************************************/
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ACPI_RSCONVERT_INFO AcpiRsSetIrq[13] =
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{
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/* Start with a default descriptor of length 3 */
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ,
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sizeof (AML_RESOURCE_IRQ),
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ACPI_RSC_TABLE_SIZE (AcpiRsSetIrq)},
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/* Convert interrupt list to 16-bit IRQ bitmask */
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{ACPI_RSC_BITMASK16,ACPI_RS_OFFSET (Data.Irq.Interrupts[0]),
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AML_OFFSET (Irq.IrqMask),
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ACPI_RS_OFFSET (Data.Irq.InterruptCount)},
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/* Set the flags byte */
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Triggering),
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AML_OFFSET (Irq.Flags),
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0},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Polarity),
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AML_OFFSET (Irq.Flags),
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3},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Irq.Sharable),
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AML_OFFSET (Irq.Flags),
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4},
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/*
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* All done if the output descriptor length is required to be 3
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* (i.e., optimization to 2 bytes cannot be attempted)
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*/
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{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
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ACPI_RS_OFFSET(Data.Irq.DescriptorLength),
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3},
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/* Set length to 2 bytes (no flags byte) */
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{ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)},
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/*
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* All done if the output descriptor length is required to be 2.
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*
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* TBD: Perhaps we should check for error if input flags are not
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* compatible with a 2-byte descriptor.
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*/
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{ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE,
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ACPI_RS_OFFSET(Data.Irq.DescriptorLength),
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2},
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/* Reset length to 3 bytes (descriptor with flags byte) */
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{ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ)},
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/*
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* Check if the flags byte is necessary. Not needed if the flags are:
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* ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_HIGH, ACPI_EXCLUSIVE
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*/
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{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
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ACPI_RS_OFFSET (Data.Irq.Triggering),
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ACPI_EDGE_SENSITIVE},
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{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
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ACPI_RS_OFFSET (Data.Irq.Polarity),
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ACPI_ACTIVE_HIGH},
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{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE,
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ACPI_RS_OFFSET (Data.Irq.Sharable),
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ACPI_EXCLUSIVE},
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/* We can optimize to a 2-byte IrqNoFlags() descriptor */
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{ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ_NOFLAGS)}
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};
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/*******************************************************************************
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*
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* AcpiRsConvertExtIrq
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*
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******************************************************************************/
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ACPI_RSCONVERT_INFO AcpiRsConvertExtIrq[9] =
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{
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
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ACPI_RS_SIZE (ACPI_RESOURCE_EXTENDED_IRQ),
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ACPI_RSC_TABLE_SIZE (AcpiRsConvertExtIrq)},
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_EXTENDED_IRQ,
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sizeof (AML_RESOURCE_EXTENDED_IRQ),
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0},
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/* Flag bits */
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.ProducerConsumer),
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AML_OFFSET (ExtendedIrq.Flags),
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0},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Triggering),
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AML_OFFSET (ExtendedIrq.Flags),
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1},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Polarity),
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AML_OFFSET (ExtendedIrq.Flags),
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2},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.ExtendedIrq.Sharable),
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AML_OFFSET (ExtendedIrq.Flags),
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3},
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/* IRQ Table length (Byte4) */
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{ACPI_RSC_COUNT, ACPI_RS_OFFSET (Data.ExtendedIrq.InterruptCount),
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AML_OFFSET (ExtendedIrq.InterruptCount),
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sizeof (UINT32)},
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/* Copy every IRQ in the table, each is 32 bits */
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{ACPI_RSC_MOVE32, ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]),
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AML_OFFSET (ExtendedIrq.Interrupts[0]),
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0},
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/* Optional ResourceSource (Index and String) */
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{ACPI_RSC_SOURCEX, ACPI_RS_OFFSET (Data.ExtendedIrq.ResourceSource),
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ACPI_RS_OFFSET (Data.ExtendedIrq.Interrupts[0]),
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sizeof (AML_RESOURCE_EXTENDED_IRQ)}
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};
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/*******************************************************************************
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*
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* AcpiRsConvertDma
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*
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******************************************************************************/
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ACPI_RSCONVERT_INFO AcpiRsConvertDma[6] =
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{
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{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_DMA,
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ACPI_RS_SIZE (ACPI_RESOURCE_DMA),
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ACPI_RSC_TABLE_SIZE (AcpiRsConvertDma)},
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{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_DMA,
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sizeof (AML_RESOURCE_DMA),
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0},
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/* Flags: transfer preference, bus mastering, channel speed */
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{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Transfer),
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AML_OFFSET (Dma.Flags),
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0},
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{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Dma.BusMaster),
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AML_OFFSET (Dma.Flags),
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2},
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{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.Dma.Type),
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AML_OFFSET (Dma.Flags),
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5},
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/* DMA channel mask bits */
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{ACPI_RSC_BITMASK, ACPI_RS_OFFSET (Data.Dma.Channels[0]),
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AML_OFFSET (Dma.DmaChannelMask),
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ACPI_RS_OFFSET (Data.Dma.ChannelCount)}
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};
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