drivers/bus/acpi/acpica/resources/rsmemory.c

   1 /*******************************************************************************
   2  *
   3  * Module Name: rsmem24 - Memory resource descriptors
   4  *
   5  ******************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2019, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #include "acpi.h"
  45 #include "accommon.h"
  46 #include "acresrc.h"
  47
  48 #define _COMPONENT          ACPI_RESOURCES
  49         ACPI_MODULE_NAME    ("rsmemory")
  50
  51
  52 /*******************************************************************************
  53  *
  54  * AcpiRsConvertMemory24
  55  *
  56  ******************************************************************************/
  57
  58 ACPI_RSCONVERT_INFO     AcpiRsConvertMemory24[4] =
  59 {
  60     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_MEMORY24,
  61                         ACPI_RS_SIZE (ACPI_RESOURCE_MEMORY24),
  62                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemory24)},
  63
  64     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_MEMORY24,
  65                         sizeof (AML_RESOURCE_MEMORY24),
  66                         0},
  67
  68     /* Read/Write bit */
  69
  70     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Memory24.WriteProtect),
  71                         AML_OFFSET (Memory24.Flags),
  72                         0},
  73     /*
  74      * These fields are contiguous in both the source and destination:
  75      * Minimum Base Address
  76      * Maximum Base Address
  77      * Address Base Alignment
  78      * Range Length
  79      */
  80     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.Memory24.Minimum),
  81                         AML_OFFSET (Memory24.Minimum),
  82                         4}
  83 };
  84
  85
  86 /*******************************************************************************
  87  *
  88  * AcpiRsConvertMemory32
  89  *
  90  ******************************************************************************/
  91
  92 ACPI_RSCONVERT_INFO     AcpiRsConvertMemory32[4] =
  93 {
  94     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_MEMORY32,
  95                         ACPI_RS_SIZE (ACPI_RESOURCE_MEMORY32),
  96                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemory32)},
  97
  98     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_MEMORY32,
  99                         sizeof (AML_RESOURCE_MEMORY32),
 100                         0},
 101
 102     /* Read/Write bit */
 103
 104     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Memory32.WriteProtect),
 105                         AML_OFFSET (Memory32.Flags),
 106                         0},
 107     /*
 108      * These fields are contiguous in both the source and destination:
 109      * Minimum Base Address
 110      * Maximum Base Address
 111      * Address Base Alignment
 112      * Range Length
 113      */
 114     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.Memory32.Minimum),
 115                         AML_OFFSET (Memory32.Minimum),
 116                         4}
 117 };
 118
 119
 120 /*******************************************************************************
 121  *
 122  * AcpiRsConvertFixedMemory32
 123  *
 124  ******************************************************************************/
 125
 126 ACPI_RSCONVERT_INFO     AcpiRsConvertFixedMemory32[4] =
 127 {
 128     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_FIXED_MEMORY32,
 129                         ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_MEMORY32),
 130                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedMemory32)},
 131
 132     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_FIXED_MEMORY32,
 133                         sizeof (AML_RESOURCE_FIXED_MEMORY32),
 134                         0},
 135
 136     /* Read/Write bit */
 137
 138     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.FixedMemory32.WriteProtect),
 139                         AML_OFFSET (FixedMemory32.Flags),
 140                         0},
 141     /*
 142      * These fields are contiguous in both the source and destination:
 143      * Base Address
 144      * Range Length
 145      */
 146     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.FixedMemory32.Address),
 147                         AML_OFFSET (FixedMemory32.Address),
 148                         2}
 149 };
 150
 151
 152 /*******************************************************************************
 153  *
 154  * AcpiRsGetVendorSmall
 155  *
 156  ******************************************************************************/
 157
 158 ACPI_RSCONVERT_INFO     AcpiRsGetVendorSmall[3] =
 159 {
 160     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_VENDOR,
 161                         ACPI_RS_SIZE (ACPI_RESOURCE_VENDOR),
 162                         ACPI_RSC_TABLE_SIZE (AcpiRsGetVendorSmall)},
 163
 164     /* Length of the vendor data (byte count) */
 165
 166     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
 167                         0,
 168                         sizeof (UINT8)},
 169
 170     /* Vendor data */
 171
 172     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
 173                         sizeof (AML_RESOURCE_SMALL_HEADER),
 174                         0}
 175 };
 176
 177
 178 /*******************************************************************************
 179  *
 180  * AcpiRsGetVendorLarge
 181  *
 182  ******************************************************************************/
 183
 184 ACPI_RSCONVERT_INFO     AcpiRsGetVendorLarge[3] =
 185 {
 186     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_VENDOR,
 187                         ACPI_RS_SIZE (ACPI_RESOURCE_VENDOR),
 188                         ACPI_RSC_TABLE_SIZE (AcpiRsGetVendorLarge)},
 189
 190     /* Length of the vendor data (byte count) */
 191
 192     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
 193                         0,
 194                         sizeof (UINT8)},
 195
 196     /* Vendor data */
 197
 198     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
 199                         sizeof (AML_RESOURCE_LARGE_HEADER),
 200                         0}
 201 };
 202
 203
 204 /*******************************************************************************
 205  *
 206  * AcpiRsSetVendor
 207  *
 208  ******************************************************************************/
 209
 210 ACPI_RSCONVERT_INFO     AcpiRsSetVendor[7] =
 211 {
 212     /* Default is a small vendor descriptor */
 213
 214     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_VENDOR_SMALL,
 215                         sizeof (AML_RESOURCE_SMALL_HEADER),
 216                         ACPI_RSC_TABLE_SIZE (AcpiRsSetVendor)},
 217
 218     /* Get the length and copy the data */
 219
 220     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
 221                         0,
 222                         0},
 223
 224     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
 225                         sizeof (AML_RESOURCE_SMALL_HEADER),
 226                         0},
 227
 228     /*
 229      * All done if the Vendor byte length is 7 or less, meaning that it will
 230      * fit within a small descriptor
 231      */
 232     {ACPI_RSC_EXIT_LE,  0, 0, 7},
 233
 234     /* Must create a large vendor descriptor */
 235
 236     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_VENDOR_LARGE,
 237                         sizeof (AML_RESOURCE_LARGE_HEADER),
 238                         0},
 239
 240     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
 241                         0,
 242                         0},
 243
 244     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
 245                         sizeof (AML_RESOURCE_LARGE_HEADER),
 246                         0}
 247 };