drivers/acpica/rsmemory.c

0001 /*******************************************************************************
0002  *
0003  * Module Name: rsmem24 - Memory resource descriptors
0004  *
0005  ******************************************************************************/
0006
0007 /******************************************************************************
0008  *
0009  * 1. Copyright Notice
0010  *
0011  * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp.
0012  * All rights reserved.
0013  *
0014  * 2. License
0015  *
0016  * 2.1. This is your license from Intel Corp. under its intellectual property
0017  * rights.  You may have additional license terms from the party that provided
0018  * you this software, covering your right to use that party's intellectual
0019  * property rights.
0020  *
0021  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
0022  * copy of the source code appearing in this file ("Covered Code") an
0023  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
0024  * base code distributed originally by Intel ("Original Intel Code") to copy,
0025  * make derivatives, distribute, use and display any portion of the Covered
0026  * Code in any form, with the right to sublicense such rights; and
0027  *
0028  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
0029  * license (with the right to sublicense), under only those claims of Intel
0030  * patents that are infringed by the Original Intel Code, to make, use, sell,
0031  * offer to sell, and import the Covered Code and derivative works thereof
0032  * solely to the minimum extent necessary to exercise the above copyright
0033  * license, and in no event shall the patent license extend to any additions
0034  * to or modifications of the Original Intel Code.  No other license or right
0035  * is granted directly or by implication, estoppel or otherwise;
0036  *
0037  * The above copyright and patent license is granted only if the following
0038  * conditions are met:
0039  *
0040  * 3. Conditions
0041  *
0042  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
0043  * Redistribution of source code of any substantial portion of the Covered
0044  * Code or modification with rights to further distribute source must include
0045  * the above Copyright Notice, the above License, this list of Conditions,
0046  * and the following Disclaimer and Export Compliance provision.  In addition,
0047  * Licensee must cause all Covered Code to which Licensee contributes to
0048  * contain a file documenting the changes Licensee made to create that Covered
0049  * Code and the date of any change.  Licensee must include in that file the
0050  * documentation of any changes made by any predecessor Licensee.  Licensee
0051  * must include a prominent statement that the modification is derived,
0052  * directly or indirectly, from Original Intel Code.
0053  *
0054  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
0055  * Redistribution of source code of any substantial portion of the Covered
0056  * Code or modification without rights to further distribute source must
0057  * include the following Disclaimer and Export Compliance provision in the
0058  * documentation and/or other materials provided with distribution.  In
0059  * addition, Licensee may not authorize further sublicense of source of any
0060  * portion of the Covered Code, and must include terms to the effect that the
0061  * license from Licensee to its licensee is limited to the intellectual
0062  * property embodied in the software Licensee provides to its licensee, and
0063  * not to intellectual property embodied in modifications its licensee may
0064  * make.
0065  *
0066  * 3.3. Redistribution of Executable. Redistribution in executable form of any
0067  * substantial portion of the Covered Code or modification must reproduce the
0068  * above Copyright Notice, and the following Disclaimer and Export Compliance
0069  * provision in the documentation and/or other materials provided with the
0070  * distribution.
0071  *
0072  * 3.4. Intel retains all right, title, and interest in and to the Original
0073  * Intel Code.
0074  *
0075  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
0076  * Intel shall be used in advertising or otherwise to promote the sale, use or
0077  * other dealings in products derived from or relating to the Covered Code
0078  * without prior written authorization from Intel.
0079  *
0080  * 4. Disclaimer and Export Compliance
0081  *
0082  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
0083  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
0084  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
0085  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
0086  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
0087  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
0088  * PARTICULAR PURPOSE.
0089  *
0090  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
0091  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
0092  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
0093  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
0094  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
0095  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
0096  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
0097  * LIMITED REMEDY.
0098  *
0099  * 4.3. Licensee shall not export, either directly or indirectly, any of this
0100  * software or system incorporating such software without first obtaining any
0101  * required license or other approval from the U. S. Department of Commerce or
0102  * any other agency or department of the United States Government.  In the
0103  * event Licensee exports any such software from the United States or
0104  * re-exports any such software from a foreign destination, Licensee shall
0105  * ensure that the distribution and export/re-export of the software is in
0106  * compliance with all laws, regulations, orders, or other restrictions of the
0107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
0108  * any of its subsidiaries will export/re-export any technical data, process,
0109  * software, or service, directly or indirectly, to any country for which the
0110  * United States government or any agency thereof requires an export license,
0111  * other governmental approval, or letter of assurance, without first obtaining
0112  * such license, approval or letter.
0113  *
0114  *****************************************************************************/
0115
0116 #define __RSMEMORY_C__
0117
0118 #include "acpi.h"
0119 #include "accommon.h"
0120 #include "acresrc.h"
0121
0122 #define _COMPONENT          ACPI_RESOURCES
0123         ACPI_MODULE_NAME    ("rsmemory")
0124
0125
0126 /*******************************************************************************
0127  *
0128  * AcpiRsConvertMemory24
0129  *
0130  ******************************************************************************/
0131
0132 ACPI_RSCONVERT_INFO     AcpiRsConvertMemory24[4] =
0133 {
0134     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_MEMORY24,
0135                         ACPI_RS_SIZE (ACPI_RESOURCE_MEMORY24),
0136                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemory24)},
0137
0138     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_MEMORY24,
0139                         sizeof (AML_RESOURCE_MEMORY24),
0140                         0},
0141
0142     /* Read/Write bit */
0143
0144     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Memory24.WriteProtect),
0145                         AML_OFFSET (Memory24.Flags),
0146                         0},
0147     /*
0148      * These fields are contiguous in both the source and destination:
0149      * Minimum Base Address
0150      * Maximum Base Address
0151      * Address Base Alignment
0152      * Range Length
0153      */
0154     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.Memory24.Minimum),
0155                         AML_OFFSET (Memory24.Minimum),
0156                         4}
0157 };
0158
0159
0160 /*******************************************************************************
0161  *
0162  * AcpiRsConvertMemory32
0163  *
0164  ******************************************************************************/
0165
0166 ACPI_RSCONVERT_INFO     AcpiRsConvertMemory32[4] =
0167 {
0168     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_MEMORY32,
0169                         ACPI_RS_SIZE (ACPI_RESOURCE_MEMORY32),
0170                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemory32)},
0171
0172     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_MEMORY32,
0173                         sizeof (AML_RESOURCE_MEMORY32),
0174                         0},
0175
0176     /* Read/Write bit */
0177
0178     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Memory32.WriteProtect),
0179                         AML_OFFSET (Memory32.Flags),
0180                         0},
0181     /*
0182      * These fields are contiguous in both the source and destination:
0183      * Minimum Base Address
0184      * Maximum Base Address
0185      * Address Base Alignment
0186      * Range Length
0187      */
0188     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.Memory32.Minimum),
0189                         AML_OFFSET (Memory32.Minimum),
0190                         4}
0191 };
0192
0193
0194 /*******************************************************************************
0195  *
0196  * AcpiRsConvertFixedMemory32
0197  *
0198  ******************************************************************************/
0199
0200 ACPI_RSCONVERT_INFO     AcpiRsConvertFixedMemory32[4] =
0201 {
0202     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_FIXED_MEMORY32,
0203                         ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_MEMORY32),
0204                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedMemory32)},
0205
0206     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_FIXED_MEMORY32,
0207                         sizeof (AML_RESOURCE_FIXED_MEMORY32),
0208                         0},
0209
0210     /* Read/Write bit */
0211
0212     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.FixedMemory32.WriteProtect),
0213                         AML_OFFSET (FixedMemory32.Flags),
0214                         0},
0215     /*
0216      * These fields are contiguous in both the source and destination:
0217      * Base Address
0218      * Range Length
0219      */
0220     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.FixedMemory32.Address),
0221                         AML_OFFSET (FixedMemory32.Address),
0222                         2}
0223 };
0224
0225
0226 /*******************************************************************************
0227  *
0228  * AcpiRsGetVendorSmall
0229  *
0230  ******************************************************************************/
0231
0232 ACPI_RSCONVERT_INFO     AcpiRsGetVendorSmall[3] =
0233 {
0234     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_VENDOR,
0235                         ACPI_RS_SIZE (ACPI_RESOURCE_VENDOR),
0236                         ACPI_RSC_TABLE_SIZE (AcpiRsGetVendorSmall)},
0237
0238     /* Length of the vendor data (byte count) */
0239
0240     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
0241                         0,
0242                         sizeof (UINT8)},
0243
0244     /* Vendor data */
0245
0246     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
0247                         sizeof (AML_RESOURCE_SMALL_HEADER),
0248                         0}
0249 };
0250
0251
0252 /*******************************************************************************
0253  *
0254  * AcpiRsGetVendorLarge
0255  *
0256  ******************************************************************************/
0257
0258 ACPI_RSCONVERT_INFO     AcpiRsGetVendorLarge[3] =
0259 {
0260     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_VENDOR,
0261                         ACPI_RS_SIZE (ACPI_RESOURCE_VENDOR),
0262                         ACPI_RSC_TABLE_SIZE (AcpiRsGetVendorLarge)},
0263
0264     /* Length of the vendor data (byte count) */
0265
0266     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
0267                         0,
0268                         sizeof (UINT8)},
0269
0270     /* Vendor data */
0271
0272     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
0273                         sizeof (AML_RESOURCE_LARGE_HEADER),
0274                         0}
0275 };
0276
0277
0278 /*******************************************************************************
0279  *
0280  * AcpiRsSetVendor
0281  *
0282  ******************************************************************************/
0283
0284 ACPI_RSCONVERT_INFO     AcpiRsSetVendor[7] =
0285 {
0286     /* Default is a small vendor descriptor */
0287
0288     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_VENDOR_SMALL,
0289                         sizeof (AML_RESOURCE_SMALL_HEADER),
0290                         ACPI_RSC_TABLE_SIZE (AcpiRsSetVendor)},
0291
0292     /* Get the length and copy the data */
0293
0294     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
0295                         0,
0296                         0},
0297
0298     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
0299                         sizeof (AML_RESOURCE_SMALL_HEADER),
0300                         0},
0301
0302     /*
0303      * All done if the Vendor byte length is 7 or less, meaning that it will
0304      * fit within a small descriptor
0305      */
0306     {ACPI_RSC_EXIT_LE,  0, 0, 7},
0307
0308     /* Must create a large vendor descriptor */
0309
0310     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_VENDOR_LARGE,
0311                         sizeof (AML_RESOURCE_LARGE_HEADER),
0312                         0},
0313
0314     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
0315                         0,
0316                         0},
0317
0318     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
0319                         sizeof (AML_RESOURCE_LARGE_HEADER),
0320                         0}
0321 };
0322
0323