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7 | /****************************************************************************** |
7 | /****************************************************************************** |
8 | * |
8 | * |
9 | * 1. Copyright Notice |
9 | * 1. Copyright Notice |
10 | * |
10 | * |
11 | * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp. |
11 | * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp. |
12 | * All rights reserved. |
12 | * All rights reserved. |
13 | * |
13 | * |
14 | * 2. License |
14 | * 2. License |
15 | * |
15 | * |
16 | * 2.1. This is your license from Intel Corp. under its intellectual property |
16 | * 2.1. This is your license from Intel Corp. under its intellectual property |
Line 130... | Line 130... | ||
130 | 130 | ||
Line 131... | Line 131... | ||
131 | 131 | ||
132 | /****************************************************************************** |
132 | /****************************************************************************** |
- | 133 | * |
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- | 134 | * FUNCTION: AcpiHwGetGpeRegisterBit |
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- | 135 | * |
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- | 136 | * PARAMETERS: GpeEventInfo - Info block for the GPE |
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- | 137 | * GpeRegisterInfo - Info block for the GPE register |
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- | 138 | * |
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- | 139 | * RETURN: Register mask with a one in the GPE bit position |
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- | 140 | * |
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- | 141 | * DESCRIPTION: Compute the register mask for this GPE. One bit is set in the |
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- | 142 | * correct position for the input GPE. |
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- | 143 | * |
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- | 144 | ******************************************************************************/ |
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- | 145 | ||
- | 146 | UINT32 |
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- | 147 | AcpiHwGetGpeRegisterBit ( |
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- | 148 | ACPI_GPE_EVENT_INFO *GpeEventInfo, |
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- | 149 | ACPI_GPE_REGISTER_INFO *GpeRegisterInfo) |
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- | 150 | { |
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- | 151 | ||
- | 152 | return ((UINT32) 1 << |
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- | 153 | (GpeEventInfo->GpeNumber - GpeRegisterInfo->BaseGpeNumber)); |
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- | 154 | } |
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- | 155 | ||
- | 156 | ||
- | 157 | /****************************************************************************** |
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133 | * |
158 | * |
134 | * FUNCTION: AcpiHwLowDisableGpe |
159 | * FUNCTION: AcpiHwLowSetGpe |
135 | * |
160 | * |
- | 161 | * PARAMETERS: GpeEventInfo - Info block for the GPE to be disabled |
|
136 | * PARAMETERS: GpeEventInfo - Info block for the GPE to be disabled |
162 | * Action - Enable or disable |
137 | * |
163 | * |
138 | * RETURN: Status |
164 | * RETURN: Status |
139 | * |
165 | * |
140 | * DESCRIPTION: Disable a single GPE in the enable register. |
166 | * DESCRIPTION: Enable or disable a single GPE in the parent enable register. |
141 | * |
167 | * |
Line 142... | Line 168... | ||
142 | ******************************************************************************/ |
168 | ******************************************************************************/ |
143 | 169 | ||
144 | ACPI_STATUS |
170 | ACPI_STATUS |
- | 171 | AcpiHwLowSetGpe ( |
|
145 | AcpiHwLowDisableGpe ( |
172 | ACPI_GPE_EVENT_INFO *GpeEventInfo, |
146 | ACPI_GPE_EVENT_INFO *GpeEventInfo) |
173 | UINT32 Action) |
147 | { |
174 | { |
148 | ACPI_GPE_REGISTER_INFO *GpeRegisterInfo; |
175 | ACPI_GPE_REGISTER_INFO *GpeRegisterInfo; |
- | 176 | ACPI_STATUS Status; |
|
- | 177 | UINT32 EnableMask; |
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- | 178 | UINT32 RegisterBit; |
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- | 179 | ||
Line 149... | Line 180... | ||
149 | ACPI_STATUS Status; |
180 | |
Line 150... | Line 181... | ||
150 | UINT32 EnableMask; |
181 | ACPI_FUNCTION_ENTRY (); |
Line 165... | Line 196... | ||
165 | { |
196 | { |
166 | return (Status); |
197 | return (Status); |
167 | } |
198 | } |
168 | 199 | ||
Line 169... | Line 200... | ||
169 | /* Clear just the bit that corresponds to this GPE */ |
200 | /* Set or clear just the bit that corresponds to this GPE */ |
170 | - | ||
171 | ACPI_CLEAR_BIT (EnableMask, ((UINT32) 1 << |
- | |
172 | (GpeEventInfo->GpeNumber - GpeRegisterInfo->BaseGpeNumber))); |
- | |
173 | - | ||
174 | - | ||
175 | /* Write the updated enable mask */ |
- | |
176 | - | ||
177 | Status = AcpiHwWrite (EnableMask, &GpeRegisterInfo->EnableAddress); |
- | |
178 | return (Status); |
- | |
179 | } |
- | |
180 | - | ||
181 | - | ||
182 | /****************************************************************************** |
- | |
183 | * |
- | |
184 | * FUNCTION: AcpiHwWriteGpeEnableReg |
- | |
185 | * |
- | |
186 | * PARAMETERS: GpeEventInfo - Info block for the GPE to be enabled |
- | |
187 | * |
- | |
188 | * RETURN: Status |
- | |
189 | * |
- | |
190 | * DESCRIPTION: Write a GPE enable register. Note: The bit for this GPE must |
- | |
191 | * already be cleared or set in the parent register |
- | |
192 | * EnableForRun mask. |
- | |
193 | * |
- | |
194 | ******************************************************************************/ |
- | |
Line 195... | Line -... | ||
195 | - | ||
196 | ACPI_STATUS |
201 | |
197 | AcpiHwWriteGpeEnableReg ( |
202 | RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo, GpeRegisterInfo); |
198 | ACPI_GPE_EVENT_INFO *GpeEventInfo) |
203 | switch (Action) |
199 | { |
204 | { |
200 | ACPI_GPE_REGISTER_INFO *GpeRegisterInfo; |
- | |
Line -... | Line 205... | ||
- | 205 | case ACPI_GPE_CONDITIONAL_ENABLE: |
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Line -... | Line 206... | ||
- | 206 | ||
- | 207 | /* Only enable if the EnableForRun bit is set */ |
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201 | ACPI_STATUS Status; |
208 | |
- | 209 | if (!(RegisterBit & GpeRegisterInfo->EnableForRun)) |
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Line -... | Line 210... | ||
- | 210 | { |
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Line -... | Line 211... | ||
- | 211 | return (AE_BAD_PARAMETER); |
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- | 212 | } |
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- | 213 | ||
- | 214 | /*lint -fallthrough */ |
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- | 215 | ||
202 | 216 | case ACPI_GPE_ENABLE: |
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- | 217 | ACPI_SET_BIT (EnableMask, RegisterBit); |
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Line 203... | Line -... | ||
203 | - | ||
204 | ACPI_FUNCTION_ENTRY (); |
- | |
205 | 218 | break; |
|
- | 219 | ||
206 | 220 | case ACPI_GPE_DISABLE: |
|
207 | /* Get the info block for the entire GPE register */ |
221 | ACPI_CLEAR_BIT (EnableMask, RegisterBit); |
Line 208... | Line 222... | ||
208 | 222 | break; |
|
209 | GpeRegisterInfo = GpeEventInfo->RegisterInfo; |
- | |
210 | if (!GpeRegisterInfo) |
- | |
211 | { |
- | |
Line -... | Line 223... | ||
- | 223 | ||
212 | return (AE_NOT_EXIST); |
224 | default: |
213 | } |
225 | ACPI_ERROR ((AE_INFO, "Invalid GPE Action, %u\n", Action)); |
Line 214... | Line 226... | ||
214 | 226 | return (AE_BAD_PARAMETER); |
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Line 236... | Line 248... | ||
236 | ACPI_STATUS |
248 | ACPI_STATUS |
237 | AcpiHwClearGpe ( |
249 | AcpiHwClearGpe ( |
238 | ACPI_GPE_EVENT_INFO *GpeEventInfo) |
250 | ACPI_GPE_EVENT_INFO *GpeEventInfo) |
239 | { |
251 | { |
- | 252 | ACPI_GPE_REGISTER_INFO *GpeRegisterInfo; |
|
240 | ACPI_STATUS Status; |
253 | ACPI_STATUS Status; |
241 | UINT8 RegisterBit; |
254 | UINT32 RegisterBit; |
Line 242... | Line 255... | ||
242 | 255 | ||
Line -... | Line 256... | ||
- | 256 | ||
Line 243... | Line 257... | ||
243 | 257 | ACPI_FUNCTION_ENTRY (); |
|
244 | ACPI_FUNCTION_ENTRY (); |
258 | |
- | 259 | /* Get the info block for the entire GPE register */ |
|
- | 260 | ||
- | 261 | GpeRegisterInfo = GpeEventInfo->RegisterInfo; |
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Line 245... | Line 262... | ||
245 | 262 | if (!GpeRegisterInfo) |
|
246 | 263 | { |
|
247 | RegisterBit = (UINT8) (1 << |
264 | return (AE_NOT_EXIST); |
248 | (GpeEventInfo->GpeNumber - GpeEventInfo->RegisterInfo->BaseGpeNumber)); |
265 | } |
- | 266 | ||
- | 267 | /* |
|
249 | 268 | * Write a one to the appropriate bit in the status register to |
|
250 | /* |
269 | * clear this GPE. |
Line 251... | Line 270... | ||
251 | * Write a one to the appropriate bit in the status register to |
270 | */ |
252 | * clear this GPE. |
271 | RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo, GpeRegisterInfo); |
Line 276... | Line 295... | ||
276 | ACPI_GPE_EVENT_INFO *GpeEventInfo, |
295 | ACPI_GPE_EVENT_INFO *GpeEventInfo, |
277 | ACPI_EVENT_STATUS *EventStatus) |
296 | ACPI_EVENT_STATUS *EventStatus) |
278 | { |
297 | { |
279 | UINT32 InByte; |
298 | UINT32 InByte; |
280 | UINT8 RegisterBit; |
299 | UINT32 RegisterBit; |
281 | ACPI_GPE_REGISTER_INFO *GpeRegisterInfo; |
300 | ACPI_GPE_REGISTER_INFO *GpeRegisterInfo; |
282 | ACPI_STATUS Status; |
301 | ACPI_EVENT_STATUS LocalEventStatus = 0; |
283 | ACPI_EVENT_STATUS LocalEventStatus = 0; |
- | |
284 | 302 | ACPI_STATUS Status; |
|
- | 303 | ||
Line 285... | Line 304... | ||
285 | 304 | ||
Line 296... | Line 315... | ||
296 | GpeRegisterInfo = GpeEventInfo->RegisterInfo; |
315 | GpeRegisterInfo = GpeEventInfo->RegisterInfo; |
Line 297... | Line 316... | ||
297 | 316 | ||
Line 298... | Line -... | ||
298 | /* Get the register bitmask for this GPE */ |
- | |
299 | 317 | /* Get the register bitmask for this GPE */ |
|
Line 300... | Line 318... | ||
300 | RegisterBit = (UINT8) (1 << |
318 | |
Line 301... | Line 319... | ||
301 | (GpeEventInfo->GpeNumber - GpeEventInfo->RegisterInfo->BaseGpeNumber)); |
319 | RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo, GpeRegisterInfo); |
302 | 320 |