drivers/acpi/resources/rsmemory.c

   1 /*******************************************************************************
   2  *
   3  * Module Name: rsmem24 - Memory resource descriptors
   4  *
   5  ******************************************************************************/
   6
   7 /******************************************************************************
   8  *
   9  * 1. Copyright Notice
  10  *
  11  * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
  12  * All rights reserved.
  13  *
  14  * 2. License
  15  *
  16  * 2.1. This is your license from Intel Corp. under its intellectual property
  17  * rights.  You may have additional license terms from the party that provided
  18  * you this software, covering your right to use that party's intellectual
  19  * property rights.
  20  *
  21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
  22  * copy of the source code appearing in this file ("Covered Code") an
  23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
  24  * base code distributed originally by Intel ("Original Intel Code") to copy,
  25  * make derivatives, distribute, use and display any portion of the Covered
  26  * Code in any form, with the right to sublicense such rights; and
  27  *
  28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
  29  * license (with the right to sublicense), under only those claims of Intel
  30  * patents that are infringed by the Original Intel Code, to make, use, sell,
  31  * offer to sell, and import the Covered Code and derivative works thereof
  32  * solely to the minimum extent necessary to exercise the above copyright
  33  * license, and in no event shall the patent license extend to any additions
  34  * to or modifications of the Original Intel Code.  No other license or right
  35  * is granted directly or by implication, estoppel or otherwise;
  36  *
  37  * The above copyright and patent license is granted only if the following
  38  * conditions are met:
  39  *
  40  * 3. Conditions
  41  *
  42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
  43  * Redistribution of source code of any substantial portion of the Covered
  44  * Code or modification with rights to further distribute source must include
  45  * the above Copyright Notice, the above License, this list of Conditions,
  46  * and the following Disclaimer and Export Compliance provision.  In addition,
  47  * Licensee must cause all Covered Code to which Licensee contributes to
  48  * contain a file documenting the changes Licensee made to create that Covered
  49  * Code and the date of any change.  Licensee must include in that file the
  50  * documentation of any changes made by any predecessor Licensee.  Licensee
  51  * must include a prominent statement that the modification is derived,
  52  * directly or indirectly, from Original Intel Code.
  53  *
  54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
  55  * Redistribution of source code of any substantial portion of the Covered
  56  * Code or modification without rights to further distribute source must
  57  * include the following Disclaimer and Export Compliance provision in the
  58  * documentation and/or other materials provided with distribution.  In
  59  * addition, Licensee may not authorize further sublicense of source of any
  60  * portion of the Covered Code, and must include terms to the effect that the
  61  * license from Licensee to its licensee is limited to the intellectual
  62  * property embodied in the software Licensee provides to its licensee, and
  63  * not to intellectual property embodied in modifications its licensee may
  64  * make.
  65  *
  66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
  67  * substantial portion of the Covered Code or modification must reproduce the
  68  * above Copyright Notice, and the following Disclaimer and Export Compliance
  69  * provision in the documentation and/or other materials provided with the
  70  * distribution.
  71  *
  72  * 3.4. Intel retains all right, title, and interest in and to the Original
  73  * Intel Code.
  74  *
  75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
  76  * Intel shall be used in advertising or otherwise to promote the sale, use or
  77  * other dealings in products derived from or relating to the Covered Code
  78  * without prior written authorization from Intel.
  79  *
  80  * 4. Disclaimer and Export Compliance
  81  *
  82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
  83  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
  84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
  85  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
  86  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
  87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
  88  * PARTICULAR PURPOSE.
  89  *
  90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
  91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
  92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
  93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
  94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
  95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
  96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
  97  * LIMITED REMEDY.
  98  *
  99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
 100  * software or system incorporating such software without first obtaining any
 101  * required license or other approval from the U. S. Department of Commerce or
 102  * any other agency or department of the United States Government.  In the
 103  * event Licensee exports any such software from the United States or
 104  * re-exports any such software from a foreign destination, Licensee shall
 105  * ensure that the distribution and export/re-export of the software is in
 106  * compliance with all laws, regulations, orders, or other restrictions of the
 107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
 108  * any of its subsidiaries will export/re-export any technical data, process,
 109  * software, or service, directly or indirectly, to any country for which the
 110  * United States government or any agency thereof requires an export license,
 111  * other governmental approval, or letter of assurance, without first obtaining
 112  * such license, approval or letter.
 113  *
 114  *****************************************************************************/
 115
 116 #define __RSMEMORY_C__
 117
 118 #include "acpi.h"
 119 #include "accommon.h"
 120 #include "acresrc.h"
 121
 122 #define _COMPONENT          ACPI_RESOURCES
 123         ACPI_MODULE_NAME    ("rsmemory")
 124
 125
 126 /*******************************************************************************
 127  *
 128  * AcpiRsConvertMemory24
 129  *
 130  ******************************************************************************/
 131
 132 ACPI_RSCONVERT_INFO     AcpiRsConvertMemory24[4] =
 133 {
 134     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_MEMORY24,
 135                         ACPI_RS_SIZE (ACPI_RESOURCE_MEMORY24),
 136                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemory24)},
 137
 138     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_MEMORY24,
 139                         sizeof (AML_RESOURCE_MEMORY24),
 140                         0},
 141
 142     /* Read/Write bit */
 143
 144     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Memory24.WriteProtect),
 145                         AML_OFFSET (Memory24.Flags),
 146                         0},
 147     /*
 148      * These fields are contiguous in both the source and destination:
 149      * Minimum Base Address
 150      * Maximum Base Address
 151      * Address Base Alignment
 152      * Range Length
 153      */
 154     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.Memory24.Minimum),
 155                         AML_OFFSET (Memory24.Minimum),
 156                         4}
 157 };
 158
 159
 160 /*******************************************************************************
 161  *
 162  * AcpiRsConvertMemory32
 163  *
 164  ******************************************************************************/
 165
 166 ACPI_RSCONVERT_INFO     AcpiRsConvertMemory32[4] =
 167 {
 168     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_MEMORY32,
 169                         ACPI_RS_SIZE (ACPI_RESOURCE_MEMORY32),
 170                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemory32)},
 171
 172     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_MEMORY32,
 173                         sizeof (AML_RESOURCE_MEMORY32),
 174                         0},
 175
 176     /* Read/Write bit */
 177
 178     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Memory32.WriteProtect),
 179                         AML_OFFSET (Memory32.Flags),
 180                         0},
 181     /*
 182      * These fields are contiguous in both the source and destination:
 183      * Minimum Base Address
 184      * Maximum Base Address
 185      * Address Base Alignment
 186      * Range Length
 187      */
 188     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.Memory32.Minimum),
 189                         AML_OFFSET (Memory32.Minimum),
 190                         4}
 191 };
 192
 193
 194 /*******************************************************************************
 195  *
 196  * AcpiRsConvertFixedMemory32
 197  *
 198  ******************************************************************************/
 199
 200 ACPI_RSCONVERT_INFO     AcpiRsConvertFixedMemory32[4] =
 201 {
 202     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_FIXED_MEMORY32,
 203                         ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_MEMORY32),
 204                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedMemory32)},
 205
 206     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_FIXED_MEMORY32,
 207                         sizeof (AML_RESOURCE_FIXED_MEMORY32),
 208                         0},
 209
 210     /* Read/Write bit */
 211
 212     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.FixedMemory32.WriteProtect),
 213                         AML_OFFSET (FixedMemory32.Flags),
 214                         0},
 215     /*
 216      * These fields are contiguous in both the source and destination:
 217      * Base Address
 218      * Range Length
 219      */
 220     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.FixedMemory32.Address),
 221                         AML_OFFSET (FixedMemory32.Address),
 222                         2}
 223 };
 224
 225
 226 /*******************************************************************************
 227  *
 228  * AcpiRsGetVendorSmall
 229  *
 230  ******************************************************************************/
 231
 232 ACPI_RSCONVERT_INFO     AcpiRsGetVendorSmall[3] =
 233 {
 234     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_VENDOR,
 235                         ACPI_RS_SIZE (ACPI_RESOURCE_VENDOR),
 236                         ACPI_RSC_TABLE_SIZE (AcpiRsGetVendorSmall)},
 237
 238     /* Length of the vendor data (byte count) */
 239
 240     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
 241                         0,
 242                         sizeof (UINT8)},
 243
 244     /* Vendor data */
 245
 246     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
 247                         sizeof (AML_RESOURCE_SMALL_HEADER),
 248                         0}
 249 };
 250
 251
 252 /*******************************************************************************
 253  *
 254  * AcpiRsGetVendorLarge
 255  *
 256  ******************************************************************************/
 257
 258 ACPI_RSCONVERT_INFO     AcpiRsGetVendorLarge[3] =
 259 {
 260     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_VENDOR,
 261                         ACPI_RS_SIZE (ACPI_RESOURCE_VENDOR),
 262                         ACPI_RSC_TABLE_SIZE (AcpiRsGetVendorLarge)},
 263
 264     /* Length of the vendor data (byte count) */
 265
 266     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
 267                         0,
 268                         sizeof (UINT8)},
 269
 270     /* Vendor data */
 271
 272     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
 273                         sizeof (AML_RESOURCE_LARGE_HEADER),
 274                         0}
 275 };
 276
 277
 278 /*******************************************************************************
 279  *
 280  * AcpiRsSetVendor
 281  *
 282  ******************************************************************************/
 283
 284 ACPI_RSCONVERT_INFO     AcpiRsSetVendor[7] =
 285 {
 286     /* Default is a small vendor descriptor */
 287
 288     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_VENDOR_SMALL,
 289                         sizeof (AML_RESOURCE_SMALL_HEADER),
 290                         ACPI_RSC_TABLE_SIZE (AcpiRsSetVendor)},
 291
 292     /* Get the length and copy the data */
 293
 294     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
 295                         0,
 296                         0},
 297
 298     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
 299                         sizeof (AML_RESOURCE_SMALL_HEADER),
 300                         0},
 301
 302     /*
 303      * All done if the Vendor byte length is 7 or less, meaning that it will
 304      * fit within a small descriptor
 305      */
 306     {ACPI_RSC_EXIT_LE,  0, 0, 7},
 307
 308     /* Must create a large vendor descriptor */
 309
 310     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_VENDOR_LARGE,
 311                         sizeof (AML_RESOURCE_LARGE_HEADER),
 312                         0},
 313
 314     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
 315                         0,
 316                         0},
 317
 318     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
 319                         sizeof (AML_RESOURCE_LARGE_HEADER),
 320                         0}
 321 };
 322
 323