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1498 | serge | 1 | |
2 | * |
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3 | * Module Name: hwgpe - Low level GPE enable/disable/clear functions |
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4 | * |
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5 | *****************************************************************************/ |
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6 | |||
7 | |||
8 | * |
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9 | * 1. Copyright Notice |
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10 | * |
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11 | * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp. |
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12 | * All rights reserved. |
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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 | |||
117 | #include "accommon.h" |
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118 | #include "acevents.h" |
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119 | |||
120 | |||
121 | ACPI_MODULE_NAME ("hwgpe") |
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122 | |||
123 | |||
124 | |||
125 | |||
126 | AcpiHwEnableWakeupGpeBlock ( |
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127 | ACPI_GPE_XRUPT_INFO *GpeXruptInfo, |
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128 | ACPI_GPE_BLOCK_INFO *GpeBlock, |
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129 | void *Context); |
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130 | |||
131 | |||
132 | |||
133 | * |
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134 | * FUNCTION: AcpiHwLowDisableGpe |
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135 | * |
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136 | * PARAMETERS: GpeEventInfo - Info block for the GPE to be disabled |
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137 | * |
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138 | * RETURN: Status |
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139 | * |
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140 | * DESCRIPTION: Disable a single GPE in the enable register. |
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141 | * |
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142 | ******************************************************************************/ |
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143 | |||
144 | |||
145 | AcpiHwLowDisableGpe ( |
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146 | ACPI_GPE_EVENT_INFO *GpeEventInfo) |
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147 | { |
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148 | ACPI_GPE_REGISTER_INFO *GpeRegisterInfo; |
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149 | ACPI_STATUS Status; |
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150 | UINT32 EnableMask; |
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151 | |||
152 | |||
153 | |||
154 | |||
155 | |||
156 | if (!GpeRegisterInfo) |
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157 | { |
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158 | return (AE_NOT_EXIST); |
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159 | } |
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160 | |||
161 | |||
162 | |||
163 | |||
164 | if (ACPI_FAILURE (Status)) |
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165 | { |
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166 | return (Status); |
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167 | } |
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168 | |||
169 | |||
170 | |||
171 | |||
172 | (GpeEventInfo->GpeNumber - GpeRegisterInfo->BaseGpeNumber))); |
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173 | |||
174 | |||
175 | |||
176 | |||
177 | |||
178 | return (Status); |
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179 | } |
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180 | |||
181 | |||
182 | |||
183 | * |
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184 | * FUNCTION: AcpiHwWriteGpeEnableReg |
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185 | * |
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186 | * PARAMETERS: GpeEventInfo - Info block for the GPE to be enabled |
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187 | * |
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188 | * RETURN: Status |
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189 | * |
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190 | * DESCRIPTION: Write a GPE enable register. Note: The bit for this GPE must |
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191 | * already be cleared or set in the parent register |
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192 | * EnableForRun mask. |
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193 | * |
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194 | ******************************************************************************/ |
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195 | |||
196 | |||
197 | AcpiHwWriteGpeEnableReg ( |
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198 | ACPI_GPE_EVENT_INFO *GpeEventInfo) |
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199 | { |
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200 | ACPI_GPE_REGISTER_INFO *GpeRegisterInfo; |
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201 | ACPI_STATUS Status; |
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202 | |||
203 | |||
204 | |||
205 | |||
206 | |||
207 | |||
208 | |||
209 | |||
210 | if (!GpeRegisterInfo) |
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211 | { |
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212 | return (AE_NOT_EXIST); |
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213 | } |
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214 | |||
215 | |||
216 | |||
217 | |||
218 | &GpeRegisterInfo->EnableAddress); |
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219 | |||
220 | |||
221 | } |
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222 | |||
223 | |||
224 | |||
225 | * |
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226 | * FUNCTION: AcpiHwClearGpe |
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227 | * |
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228 | * PARAMETERS: GpeEventInfo - Info block for the GPE to be cleared |
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229 | * |
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230 | * RETURN: Status |
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231 | * |
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232 | * DESCRIPTION: Clear the status bit for a single GPE. |
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233 | * |
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234 | ******************************************************************************/ |
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235 | |||
236 | |||
237 | AcpiHwClearGpe ( |
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238 | ACPI_GPE_EVENT_INFO *GpeEventInfo) |
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239 | { |
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240 | ACPI_STATUS Status; |
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241 | UINT8 RegisterBit; |
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242 | |||
243 | |||
244 | |||
245 | |||
246 | |||
247 | |||
248 | (GpeEventInfo->GpeNumber - GpeEventInfo->RegisterInfo->BaseGpeNumber)); |
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249 | |||
250 | |||
251 | * Write a one to the appropriate bit in the status register to |
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252 | * clear this GPE. |
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253 | */ |
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254 | Status = AcpiHwWrite (RegisterBit, |
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255 | &GpeEventInfo->RegisterInfo->StatusAddress); |
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256 | |||
257 | |||
258 | } |
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259 | |||
260 | |||
261 | |||
262 | * |
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263 | * FUNCTION: AcpiHwGetGpeStatus |
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264 | * |
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265 | * PARAMETERS: GpeEventInfo - Info block for the GPE to queried |
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266 | * EventStatus - Where the GPE status is returned |
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267 | * |
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268 | * RETURN: Status |
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269 | * |
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270 | * DESCRIPTION: Return the status of a single GPE. |
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271 | * |
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272 | ******************************************************************************/ |
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273 | |||
274 | |||
275 | AcpiHwGetGpeStatus ( |
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276 | ACPI_GPE_EVENT_INFO *GpeEventInfo, |
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277 | ACPI_EVENT_STATUS *EventStatus) |
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278 | { |
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279 | UINT32 InByte; |
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280 | UINT8 RegisterBit; |
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281 | ACPI_GPE_REGISTER_INFO *GpeRegisterInfo; |
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282 | ACPI_STATUS Status; |
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283 | ACPI_EVENT_STATUS LocalEventStatus = 0; |
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284 | |||
285 | |||
286 | |||
287 | |||
288 | |||
289 | |||
290 | { |
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291 | return (AE_BAD_PARAMETER); |
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292 | } |
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293 | |||
294 | |||
295 | |||
296 | |||
297 | |||
298 | |||
299 | |||
300 | |||
301 | (GpeEventInfo->GpeNumber - GpeEventInfo->RegisterInfo->BaseGpeNumber)); |
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302 | |||
303 | |||
304 | |||
305 | |||
306 | { |
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307 | LocalEventStatus |= ACPI_EVENT_FLAG_ENABLED; |
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308 | } |
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309 | |||
310 | |||
311 | |||
312 | |||
313 | { |
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314 | LocalEventStatus |= ACPI_EVENT_FLAG_WAKE_ENABLED; |
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315 | } |
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316 | |||
317 | |||
318 | |||
319 | |||
320 | if (ACPI_FAILURE (Status)) |
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321 | { |
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322 | return (Status); |
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323 | } |
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324 | |||
325 | |||
326 | { |
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327 | LocalEventStatus |= ACPI_EVENT_FLAG_SET; |
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328 | } |
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329 | |||
330 | |||
331 | |||
332 | |||
333 | return (AE_OK); |
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334 | } |
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335 | |||
336 | |||
337 | |||
338 | * |
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339 | * FUNCTION: AcpiHwDisableGpeBlock |
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340 | * |
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341 | * PARAMETERS: GpeXruptInfo - GPE Interrupt info |
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342 | * GpeBlock - Gpe Block info |
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343 | * |
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344 | * RETURN: Status |
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345 | * |
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346 | * DESCRIPTION: Disable all GPEs within a single GPE block |
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347 | * |
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348 | ******************************************************************************/ |
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349 | |||
350 | |||
351 | AcpiHwDisableGpeBlock ( |
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352 | ACPI_GPE_XRUPT_INFO *GpeXruptInfo, |
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353 | ACPI_GPE_BLOCK_INFO *GpeBlock, |
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354 | void *Context) |
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355 | { |
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356 | UINT32 i; |
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357 | ACPI_STATUS Status; |
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358 | |||
359 | |||
360 | |||
361 | |||
362 | |||
363 | { |
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364 | /* Disable all GPEs in this register */ |
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365 | |||
366 | |||
367 | if (ACPI_FAILURE (Status)) |
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368 | { |
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369 | return (Status); |
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370 | } |
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371 | } |
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372 | |||
373 | |||
374 | } |
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375 | |||
376 | |||
377 | |||
378 | * |
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379 | * FUNCTION: AcpiHwClearGpeBlock |
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380 | * |
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381 | * PARAMETERS: GpeXruptInfo - GPE Interrupt info |
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382 | * GpeBlock - Gpe Block info |
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383 | * |
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384 | * RETURN: Status |
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385 | * |
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386 | * DESCRIPTION: Clear status bits for all GPEs within a single GPE block |
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387 | * |
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388 | ******************************************************************************/ |
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389 | |||
390 | |||
391 | AcpiHwClearGpeBlock ( |
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392 | ACPI_GPE_XRUPT_INFO *GpeXruptInfo, |
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393 | ACPI_GPE_BLOCK_INFO *GpeBlock, |
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394 | void *Context) |
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395 | { |
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396 | UINT32 i; |
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397 | ACPI_STATUS Status; |
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398 | |||
399 | |||
400 | |||
401 | |||
402 | |||
403 | { |
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404 | /* Clear status on all GPEs in this register */ |
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405 | |||
406 | |||
407 | if (ACPI_FAILURE (Status)) |
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408 | { |
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409 | return (Status); |
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410 | } |
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411 | } |
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412 | |||
413 | |||
414 | } |
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415 | |||
416 | |||
417 | |||
418 | * |
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419 | * FUNCTION: AcpiHwEnableRuntimeGpeBlock |
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420 | * |
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421 | * PARAMETERS: GpeXruptInfo - GPE Interrupt info |
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422 | * GpeBlock - Gpe Block info |
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423 | * |
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424 | * RETURN: Status |
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425 | * |
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426 | * DESCRIPTION: Enable all "runtime" GPEs within a single GPE block. Includes |
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427 | * combination wake/run GPEs. |
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428 | * |
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429 | ******************************************************************************/ |
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430 | |||
431 | |||
432 | AcpiHwEnableRuntimeGpeBlock ( |
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433 | ACPI_GPE_XRUPT_INFO *GpeXruptInfo, |
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434 | ACPI_GPE_BLOCK_INFO *GpeBlock, |
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435 | void *Context) |
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436 | { |
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437 | UINT32 i; |
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438 | ACPI_STATUS Status; |
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439 | |||
440 | |||
441 | |||
442 | |||
443 | |||
444 | |||
445 | |||
446 | { |
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447 | if (!GpeBlock->RegisterInfo[i].EnableForRun) |
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448 | { |
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449 | continue; |
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450 | } |
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451 | |||
452 | |||
453 | |||
454 | |||
455 | &GpeBlock->RegisterInfo[i].EnableAddress); |
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456 | if (ACPI_FAILURE (Status)) |
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457 | { |
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458 | return (Status); |
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459 | } |
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460 | } |
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461 | |||
462 | |||
463 | } |
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464 | |||
465 | |||
466 | |||
467 | * |
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468 | * FUNCTION: AcpiHwEnableWakeupGpeBlock |
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469 | * |
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470 | * PARAMETERS: GpeXruptInfo - GPE Interrupt info |
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471 | * GpeBlock - Gpe Block info |
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472 | * |
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473 | * RETURN: Status |
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474 | * |
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475 | * DESCRIPTION: Enable all "wake" GPEs within a single GPE block. Includes |
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476 | * combination wake/run GPEs. |
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477 | * |
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478 | ******************************************************************************/ |
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479 | |||
480 | |||
481 | AcpiHwEnableWakeupGpeBlock ( |
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482 | ACPI_GPE_XRUPT_INFO *GpeXruptInfo, |
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483 | ACPI_GPE_BLOCK_INFO *GpeBlock, |
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484 | void *Context) |
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485 | { |
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486 | UINT32 i; |
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487 | ACPI_STATUS Status; |
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488 | |||
489 | |||
490 | |||
491 | |||
492 | |||
493 | { |
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494 | if (!GpeBlock->RegisterInfo[i].EnableForWake) |
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495 | { |
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496 | continue; |
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497 | } |
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498 | |||
499 | |||
500 | |||
501 | |||
502 | &GpeBlock->RegisterInfo[i].EnableAddress); |
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503 | if (ACPI_FAILURE (Status)) |
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504 | { |
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505 | return (Status); |
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506 | } |
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507 | } |
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508 | |||
509 | |||
510 | } |
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511 | |||
512 | |||
513 | |||
514 | * |
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515 | * FUNCTION: AcpiHwDisableAllGpes |
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516 | * |
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517 | * PARAMETERS: None |
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518 | * |
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519 | * RETURN: Status |
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520 | * |
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521 | * DESCRIPTION: Disable and clear all GPEs in all GPE blocks |
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522 | * |
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523 | ******************************************************************************/ |
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524 | |||
525 | |||
526 | AcpiHwDisableAllGpes ( |
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527 | void) |
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528 | { |
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529 | ACPI_STATUS Status; |
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530 | |||
531 | |||
532 | |||
533 | |||
534 | |||
535 | |||
536 | Status = AcpiEvWalkGpeList (AcpiHwClearGpeBlock, NULL); |
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537 | return_ACPI_STATUS (Status); |
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538 | } |
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539 | |||
540 | |||
541 | |||
542 | * |
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543 | * FUNCTION: AcpiHwEnableAllRuntimeGpes |
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544 | * |
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545 | * PARAMETERS: None |
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546 | * |
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547 | * RETURN: Status |
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548 | * |
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549 | * DESCRIPTION: Enable all "runtime" GPEs, in all GPE blocks |
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550 | * |
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551 | ******************************************************************************/ |
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552 | |||
553 | |||
554 | AcpiHwEnableAllRuntimeGpes ( |
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555 | void) |
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556 | { |
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557 | ACPI_STATUS Status; |
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558 | |||
559 | |||
560 | |||
561 | |||
562 | |||
563 | |||
564 | return_ACPI_STATUS (Status); |
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565 | } |
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566 | |||
567 | |||
568 | |||
569 | * |
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570 | * FUNCTION: AcpiHwEnableAllWakeupGpes |
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571 | * |
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572 | * PARAMETERS: None |
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573 | * |
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574 | * RETURN: Status |
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575 | * |
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576 | * DESCRIPTION: Enable all "wakeup" GPEs, in all GPE blocks |
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577 | * |
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578 | ******************************************************************************/ |
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579 | |||
580 | |||
581 | AcpiHwEnableAllWakeupGpes ( |
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582 | void) |
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583 | { |
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584 | ACPI_STATUS Status; |
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585 | |||
586 | |||
587 | |||
588 | |||
589 | |||
590 | |||
591 | return_ACPI_STATUS (Status); |
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592 | }>>>> |
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593 | >< |
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594 |