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1498 | serge | 1 | /******************************************************************************* |
2 | * |
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3 | * Module Name: rsio - IO and DMA resource descriptors |
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4 | * |
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5 | ******************************************************************************/ |
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6 | |||
7 | /****************************************************************************** |
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8 | * |
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9 | * 1. Copyright Notice |
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10 | * |
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2216 | Serge | 11 | * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp. |
1498 | serge | 12 | * All rights reserved. |
13 | * |
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14 | * 2. License |
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15 | * |
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16 | * 2.1. This is your license from Intel Corp. under its intellectual property |
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17 | * rights. You may have additional license terms from the party that provided |
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18 | * you this software, covering your right to use that party's intellectual |
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19 | * property rights. |
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20 | * |
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21 | * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a |
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22 | * copy of the source code appearing in this file ("Covered Code") an |
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23 | * irrevocable, perpetual, worldwide license under Intel's copyrights in the |
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24 | * base code distributed originally by Intel ("Original Intel Code") to copy, |
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25 | * make derivatives, distribute, use and display any portion of the Covered |
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26 | * Code in any form, with the right to sublicense such rights; and |
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27 | * |
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28 | * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent |
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29 | * license (with the right to sublicense), under only those claims of Intel |
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30 | * patents that are infringed by the Original Intel Code, to make, use, sell, |
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31 | * offer to sell, and import the Covered Code and derivative works thereof |
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32 | * solely to the minimum extent necessary to exercise the above copyright |
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33 | * license, and in no event shall the patent license extend to any additions |
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34 | * to or modifications of the Original Intel Code. No other license or right |
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35 | * is granted directly or by implication, estoppel or otherwise; |
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36 | * |
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37 | * The above copyright and patent license is granted only if the following |
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38 | * conditions are met: |
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39 | * |
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40 | * 3. Conditions |
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41 | * |
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42 | * 3.1. Redistribution of Source with Rights to Further Distribute Source. |
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43 | * Redistribution of source code of any substantial portion of the Covered |
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44 | * Code or modification with rights to further distribute source must include |
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45 | * the above Copyright Notice, the above License, this list of Conditions, |
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46 | * and the following Disclaimer and Export Compliance provision. In addition, |
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47 | * Licensee must cause all Covered Code to which Licensee contributes to |
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48 | * contain a file documenting the changes Licensee made to create that Covered |
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49 | * Code and the date of any change. Licensee must include in that file the |
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50 | * documentation of any changes made by any predecessor Licensee. Licensee |
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51 | * must include a prominent statement that the modification is derived, |
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52 | * directly or indirectly, from Original Intel Code. |
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53 | * |
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54 | * 3.2. Redistribution of Source with no Rights to Further Distribute Source. |
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55 | * Redistribution of source code of any substantial portion of the Covered |
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56 | * Code or modification without rights to further distribute source must |
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57 | * include the following Disclaimer and Export Compliance provision in the |
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58 | * documentation and/or other materials provided with distribution. In |
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59 | * addition, Licensee may not authorize further sublicense of source of any |
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60 | * portion of the Covered Code, and must include terms to the effect that the |
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61 | * license from Licensee to its licensee is limited to the intellectual |
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62 | * property embodied in the software Licensee provides to its licensee, and |
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63 | * not to intellectual property embodied in modifications its licensee may |
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64 | * make. |
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65 | * |
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66 | * 3.3. Redistribution of Executable. Redistribution in executable form of any |
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67 | * substantial portion of the Covered Code or modification must reproduce the |
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68 | * above Copyright Notice, and the following Disclaimer and Export Compliance |
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69 | * provision in the documentation and/or other materials provided with the |
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70 | * distribution. |
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71 | * |
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72 | * 3.4. Intel retains all right, title, and interest in and to the Original |
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73 | * Intel Code. |
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74 | * |
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75 | * 3.5. Neither the name Intel nor any other trademark owned or controlled by |
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76 | * Intel shall be used in advertising or otherwise to promote the sale, use or |
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77 | * other dealings in products derived from or relating to the Covered Code |
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78 | * without prior written authorization from Intel. |
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79 | * |
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80 | * 4. Disclaimer and Export Compliance |
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81 | * |
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82 | * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED |
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83 | * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE |
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84 | * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, |
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85 | * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY |
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86 | * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY |
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87 | * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A |
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88 | * PARTICULAR PURPOSE. |
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89 | * |
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90 | * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES |
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91 | * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR |
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92 | * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, |
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93 | * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY |
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94 | * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL |
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95 | * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS |
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96 | * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY |
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97 | * LIMITED REMEDY. |
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98 | * |
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99 | * 4.3. Licensee shall not export, either directly or indirectly, any of this |
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100 | * software or system incorporating such software without first obtaining any |
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101 | * required license or other approval from the U. S. Department of Commerce or |
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102 | * any other agency or department of the United States Government. In the |
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103 | * event Licensee exports any such software from the United States or |
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104 | * re-exports any such software from a foreign destination, Licensee shall |
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105 | * ensure that the distribution and export/re-export of the software is in |
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106 | * compliance with all laws, regulations, orders, or other restrictions of the |
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107 | * U.S. Export Administration Regulations. Licensee agrees that neither it nor |
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108 | * any of its subsidiaries will export/re-export any technical data, process, |
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109 | * software, or service, directly or indirectly, to any country for which the |
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110 | * United States government or any agency thereof requires an export license, |
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111 | * other governmental approval, or letter of assurance, without first obtaining |
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112 | * such license, approval or letter. |
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113 | * |
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114 | *****************************************************************************/ |
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115 | |||
116 | #define __RSIO_C__ |
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117 | |||
118 | #include "acpi.h" |
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119 | #include "accommon.h" |
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120 | #include "acresrc.h" |
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121 | |||
122 | #define _COMPONENT ACPI_RESOURCES |
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123 | ACPI_MODULE_NAME ("rsio") |
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124 | |||
125 | |||
126 | /******************************************************************************* |
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127 | * |
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128 | * AcpiRsConvertIo |
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129 | * |
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130 | ******************************************************************************/ |
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131 | |||
132 | ACPI_RSCONVERT_INFO AcpiRsConvertIo[5] = |
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133 | { |
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134 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IO, |
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135 | ACPI_RS_SIZE (ACPI_RESOURCE_IO), |
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136 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertIo)}, |
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137 | |||
138 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IO, |
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139 | sizeof (AML_RESOURCE_IO), |
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140 | 0}, |
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141 | |||
142 | /* Decode flag */ |
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143 | |||
144 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Io.IoDecode), |
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145 | AML_OFFSET (Io.Flags), |
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146 | 0}, |
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147 | /* |
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148 | * These fields are contiguous in both the source and destination: |
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149 | * Address Alignment |
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150 | * Length |
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151 | * Minimum Base Address |
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152 | * Maximum Base Address |
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153 | */ |
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154 | {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.Io.Alignment), |
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155 | AML_OFFSET (Io.Alignment), |
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156 | 2}, |
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157 | |||
158 | {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.Io.Minimum), |
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159 | AML_OFFSET (Io.Minimum), |
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160 | 2} |
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161 | }; |
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162 | |||
163 | |||
164 | /******************************************************************************* |
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165 | * |
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166 | * AcpiRsConvertFixedIo |
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167 | * |
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168 | ******************************************************************************/ |
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169 | |||
170 | ACPI_RSCONVERT_INFO AcpiRsConvertFixedIo[4] = |
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171 | { |
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172 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_IO, |
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173 | ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_IO), |
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174 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedIo)}, |
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175 | |||
176 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_IO, |
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177 | sizeof (AML_RESOURCE_FIXED_IO), |
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178 | 0}, |
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179 | /* |
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180 | * These fields are contiguous in both the source and destination: |
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181 | * Base Address |
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182 | * Length |
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183 | */ |
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184 | {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.FixedIo.AddressLength), |
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185 | AML_OFFSET (FixedIo.AddressLength), |
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186 | 1}, |
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187 | |||
188 | {ACPI_RSC_MOVE16, ACPI_RS_OFFSET (Data.FixedIo.Address), |
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189 | AML_OFFSET (FixedIo.Address), |
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190 | 1} |
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191 | }; |
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192 | |||
193 | |||
194 | /******************************************************************************* |
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195 | * |
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196 | * AcpiRsConvertGenericReg |
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197 | * |
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198 | ******************************************************************************/ |
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199 | |||
200 | ACPI_RSCONVERT_INFO AcpiRsConvertGenericReg[4] = |
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201 | { |
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202 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GENERIC_REGISTER, |
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203 | ACPI_RS_SIZE (ACPI_RESOURCE_GENERIC_REGISTER), |
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204 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertGenericReg)}, |
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205 | |||
206 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GENERIC_REGISTER, |
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207 | sizeof (AML_RESOURCE_GENERIC_REGISTER), |
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208 | 0}, |
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209 | /* |
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210 | * These fields are contiguous in both the source and destination: |
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211 | * Address Space ID |
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212 | * Register Bit Width |
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213 | * Register Bit Offset |
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214 | * Access Size |
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215 | */ |
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216 | {ACPI_RSC_MOVE8, ACPI_RS_OFFSET (Data.GenericReg.SpaceId), |
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217 | AML_OFFSET (GenericReg.AddressSpaceId), |
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218 | 4}, |
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219 | |||
220 | /* Get the Register Address */ |
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221 | |||
222 | {ACPI_RSC_MOVE64, ACPI_RS_OFFSET (Data.GenericReg.Address), |
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223 | AML_OFFSET (GenericReg.Address), |
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224 | 1} |
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225 | }; |
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226 | |||
227 | |||
228 | /******************************************************************************* |
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229 | * |
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230 | * AcpiRsConvertEndDpf |
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231 | * |
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232 | ******************************************************************************/ |
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233 | |||
234 | ACPI_RSCONVERT_INFO AcpiRsConvertEndDpf[2] = |
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235 | { |
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236 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_DEPENDENT, |
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237 | ACPI_RS_SIZE_MIN, |
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238 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndDpf)}, |
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239 | |||
240 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_DEPENDENT, |
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241 | sizeof (AML_RESOURCE_END_DEPENDENT), |
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242 | 0} |
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243 | }; |
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244 | |||
245 | |||
246 | /******************************************************************************* |
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247 | * |
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248 | * AcpiRsConvertEndTag |
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249 | * |
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250 | ******************************************************************************/ |
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251 | |||
252 | ACPI_RSCONVERT_INFO AcpiRsConvertEndTag[2] = |
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253 | { |
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254 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_END_TAG, |
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255 | ACPI_RS_SIZE_MIN, |
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256 | ACPI_RSC_TABLE_SIZE (AcpiRsConvertEndTag)}, |
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257 | |||
258 | /* |
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259 | * Note: The checksum field is set to zero, meaning that the resource |
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260 | * data is treated as if the checksum operation succeeded. |
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261 | * (ACPI Spec 1.0b Section 6.4.2.8) |
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262 | */ |
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263 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_END_TAG, |
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264 | sizeof (AML_RESOURCE_END_TAG), |
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265 | 0} |
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266 | }; |
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267 | |||
268 | |||
269 | /******************************************************************************* |
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270 | * |
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271 | * AcpiRsGetStartDpf |
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272 | * |
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273 | ******************************************************************************/ |
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274 | |||
275 | ACPI_RSCONVERT_INFO AcpiRsGetStartDpf[6] = |
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276 | { |
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277 | {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_START_DEPENDENT, |
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278 | ACPI_RS_SIZE (ACPI_RESOURCE_START_DEPENDENT), |
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279 | ACPI_RSC_TABLE_SIZE (AcpiRsGetStartDpf)}, |
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280 | |||
281 | /* Defaults for Compatibility and Performance priorities */ |
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282 | |||
283 | {ACPI_RSC_SET8, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), |
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284 | ACPI_ACCEPTABLE_CONFIGURATION, |
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285 | 2}, |
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286 | |||
287 | /* Get the descriptor length (0 or 1 for Start Dpf descriptor) */ |
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288 | |||
289 | {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.DescriptorLength), |
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290 | AML_OFFSET (StartDpf.DescriptorType), |
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291 | 0}, |
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292 | |||
293 | /* All done if there is no flag byte present in the descriptor */ |
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294 | |||
295 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 1}, |
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296 | |||
297 | /* Flag byte is present, get the flags */ |
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298 | |||
299 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), |
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300 | AML_OFFSET (StartDpf.Flags), |
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301 | 0}, |
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302 | |||
303 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness), |
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304 | AML_OFFSET (StartDpf.Flags), |
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305 | 2} |
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306 | }; |
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307 | |||
308 | |||
309 | /******************************************************************************* |
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310 | * |
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311 | * AcpiRsSetStartDpf |
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312 | * |
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313 | ******************************************************************************/ |
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314 | |||
315 | ACPI_RSCONVERT_INFO AcpiRsSetStartDpf[10] = |
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316 | { |
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317 | /* Start with a default descriptor of length 1 */ |
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318 | |||
319 | {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_START_DEPENDENT, |
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320 | sizeof (AML_RESOURCE_START_DEPENDENT), |
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321 | ACPI_RSC_TABLE_SIZE (AcpiRsSetStartDpf)}, |
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322 | |||
323 | /* Set the default flag values */ |
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324 | |||
325 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), |
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326 | AML_OFFSET (StartDpf.Flags), |
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327 | 0}, |
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328 | |||
329 | {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness), |
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330 | AML_OFFSET (StartDpf.Flags), |
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331 | 2}, |
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332 | /* |
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333 | * All done if the output descriptor length is required to be 1 |
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334 | * (i.e., optimization to 0 bytes cannot be attempted) |
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335 | */ |
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336 | {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, |
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337 | ACPI_RS_OFFSET(Data.StartDpf.DescriptorLength), |
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338 | 1}, |
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339 | |||
340 | /* Set length to 0 bytes (no flags byte) */ |
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341 | |||
342 | {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO)}, |
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343 | |||
344 | /* |
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345 | * All done if the output descriptor length is required to be 0. |
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346 | * |
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347 | * TBD: Perhaps we should check for error if input flags are not |
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348 | * compatible with a 0-byte descriptor. |
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349 | */ |
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350 | {ACPI_RSC_EXIT_EQ, ACPI_RSC_COMPARE_VALUE, |
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351 | ACPI_RS_OFFSET(Data.StartDpf.DescriptorLength), |
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352 | 0}, |
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353 | |||
354 | /* Reset length to 1 byte (descriptor with flags byte) */ |
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355 | |||
356 | {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT)}, |
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357 | |||
358 | |||
359 | /* |
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360 | * All done if flags byte is necessary -- if either priority value |
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361 | * is not ACPI_ACCEPTABLE_CONFIGURATION |
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362 | */ |
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363 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
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364 | ACPI_RS_OFFSET (Data.StartDpf.CompatibilityPriority), |
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365 | ACPI_ACCEPTABLE_CONFIGURATION}, |
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366 | |||
367 | {ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_VALUE, |
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368 | ACPI_RS_OFFSET (Data.StartDpf.PerformanceRobustness), |
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369 | ACPI_ACCEPTABLE_CONFIGURATION}, |
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370 | |||
371 | /* Flag byte is not necessary */ |
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372 | |||
373 | {ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO)} |
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374 | }; |
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375 |