ReactOS 0.4.15-dev-8100-g1887773
hwesleep.c File Reference
#include "acpi.h"
#include "accommon.h"
Include dependency graph for hwesleep.c:

Go to the source code of this file.

Macros

#define _COMPONENT   ACPI_HARDWARE
 

Functions

void AcpiHwExecuteSleepMethod (char *MethodPathname, UINT32 IntegerArgument)
 
ACPI_STATUS AcpiHwExtendedSleep (UINT8 SleepState)
 
ACPI_STATUS AcpiHwExtendedWakePrep (UINT8 SleepState)
 
ACPI_STATUS AcpiHwExtendedWake (UINT8 SleepState)
 

Macro Definition Documentation

◆ _COMPONENT

#define _COMPONENT   ACPI_HARDWARE

Definition at line 48 of file hwesleep.c.

Function Documentation

◆ AcpiHwExecuteSleepMethod()

void AcpiHwExecuteSleepMethod ( char MethodPathname,
UINT32  IntegerArgument 
)

Definition at line 67 of file hwesleep.c.

70{
71 ACPI_OBJECT_LIST ArgList;
72 ACPI_OBJECT Arg;
74
75
76 ACPI_FUNCTION_TRACE (HwExecuteSleepMethod);
77
78
79 /* One argument, IntegerArgument; No return value expected */
80
81 ArgList.Count = 1;
82 ArgList.Pointer = &Arg;
84 Arg.Integer.Value = (UINT64) IntegerArgument;
85
86 Status = AcpiEvaluateObject (NULL, MethodPathname, &ArgList, NULL);
88 {
89 ACPI_EXCEPTION ((AE_INFO, Status, "While executing method %s",
90 MethodPathname));
91 }
92
94}
unsigned long long UINT64
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
#define AE_NOT_FOUND
Definition: acexcep.h:113
#define ACPI_EXCEPTION(plist)
Definition: acoutput.h:239
#define ACPI_FUNCTION_TRACE(a)
Definition: acoutput.h:480
#define AE_INFO
Definition: acoutput.h:230
#define return_VOID
Definition: acoutput.h:495
#define ACPI_TYPE_INTEGER
Definition: actypes.h:688
UINT32 ACPI_STATUS
Definition: actypes.h:460
#define NULL
Definition: types.h:112
Status
Definition: gdiplustypes.h:25
ACPI_STATUS AcpiEvaluateObject(ACPI_HANDLE Handle, ACPI_STRING Pathname, ACPI_OBJECT_LIST *ExternalParams, ACPI_BUFFER *ReturnBuffer)
Definition: nsxfeval.c:217
ACPI_OBJECT * Pointer
Definition: actypes.h:1029
ACPI_OBJECT_TYPE Type
Definition: actypes.h:970
struct acpi_object::@617 Integer

Referenced by AcpiEnterSleepStatePrep(), AcpiHwExtendedWake(), and AcpiHwLegacyWake().

◆ AcpiHwExtendedSleep()

ACPI_STATUS AcpiHwExtendedSleep ( UINT8  SleepState)

Definition at line 112 of file hwesleep.c.

114{
116 UINT8 SleepControl;
117 UINT64 SleepStatus;
118
119
120 ACPI_FUNCTION_TRACE (HwExtendedSleep);
121
122
123 /* Extended sleep registers must be valid */
124
125 if (!AcpiGbl_FADT.SleepControl.Address ||
126 !AcpiGbl_FADT.SleepStatus.Address)
127 {
129 }
130
131 /* Clear wake status (WAK_STS) */
132
134 &AcpiGbl_FADT.SleepStatus);
135 if (ACPI_FAILURE (Status))
136 {
138 }
139
140 AcpiGbl_SystemAwakeAndRunning = FALSE;
141
142 /*
143 * Set the SLP_TYP and SLP_EN bits.
144 *
145 * Note: We only use the first value returned by the \_Sx method
146 * (AcpiGbl_SleepTypeA) - As per ACPI specification.
147 */
149 "Entering sleep state [S%u]\n", SleepState));
150
151 SleepControl = ((AcpiGbl_SleepTypeA << ACPI_X_SLEEP_TYPE_POSITION) &
153
154 /* Flush caches, as per ACPI specification */
155
156 if (SleepState < ACPI_STATE_S4)
157 {
159 }
160
161 Status = AcpiOsEnterSleep (SleepState, SleepControl, 0);
163 {
165 }
166 if (ACPI_FAILURE (Status))
167 {
169 }
170
171 Status = AcpiWrite ((UINT64) SleepControl, &AcpiGbl_FADT.SleepControl);
172 if (ACPI_FAILURE (Status))
173 {
175 }
176
177 /* Wait for transition back to Working State */
178
179 do
180 {
181 Status = AcpiRead (&SleepStatus, &AcpiGbl_FADT.SleepStatus);
182 if (ACPI_FAILURE (Status))
183 {
185 }
186
187 } while (!(((UINT8) SleepStatus) & ACPI_X_WAKE_STATUS));
188
190}
unsigned char UINT8
#define ACPI_FLUSH_CPU_CACHE()
Definition: accygwin.h:53
#define AE_CTRL_TERMINATE
Definition: acexcep.h:226
#define AE_NOT_EXIST
Definition: acexcep.h:114
#define AE_OK
Definition: acexcep.h:97
#define ACPI_DEBUG_PRINT(pl)
Definition: acoutput.h:475
#define return_ACPI_STATUS(s)
Definition: acoutput.h:496
#define ACPI_DB_INIT
Definition: acoutput.h:151
ACPI_STATUS AcpiOsEnterSleep(UINT8 SleepState, UINT32 RegaValue, UINT32 RegbValue)
Definition: osl.c:932
#define ACPI_X_SLEEP_TYPE_MASK
Definition: actbl.h:378
#define ACPI_X_SLEEP_TYPE_POSITION
Definition: actbl.h:379
#define ACPI_X_WAKE_STATUS
Definition: actbl.h:377
#define ACPI_X_SLEEP_ENABLE
Definition: actbl.h:380
#define ACPI_STATE_S4
Definition: actypes.h:628
#define FALSE
Definition: types.h:117
ACPI_STATUS AcpiRead(UINT64 *ReturnValue, ACPI_GENERIC_ADDRESS *Reg)
Definition: hwxface.c:138
ACPI_STATUS AcpiWrite(UINT64 Value, ACPI_GENERIC_ADDRESS *Reg)
Definition: hwxface.c:169

◆ AcpiHwExtendedWake()

ACPI_STATUS AcpiHwExtendedWake ( UINT8  SleepState)

Definition at line 243 of file hwesleep.c.

245{
246 ACPI_FUNCTION_TRACE (HwExtendedWake);
247
248
249 /* Ensure EnterSleepStatePrep -> EnterSleepState ordering */
250
251 AcpiGbl_SleepTypeA = ACPI_SLEEP_TYPE_INVALID;
252
253 /* Execute the wake methods */
254
257
258 /*
259 * Some BIOS code assumes that WAK_STS will be cleared on resume
260 * and use it to determine whether the system is rebooting or
261 * resuming. Clear WAK_STS for compatibility.
262 */
263 (void) AcpiWrite ((UINT64) ACPI_X_WAKE_STATUS, &AcpiGbl_FADT.SleepStatus);
264 AcpiGbl_SystemAwakeAndRunning = TRUE;
265
268}
#define ACPI_SST_WORKING
Definition: achware.h:51
#define ACPI_SST_WAKING
Definition: achware.h:52
#define METHOD_PATHNAME__SST
Definition: acnames.h:81
#define METHOD_PATHNAME__WAK
Definition: acnames.h:82
#define ACPI_SLEEP_TYPE_INVALID
Definition: actypes.h:651
#define TRUE
Definition: types.h:120
void AcpiHwExecuteSleepMethod(char *MethodPathname, UINT32 IntegerArgument)
Definition: hwesleep.c:67

◆ AcpiHwExtendedWakePrep()

ACPI_STATUS AcpiHwExtendedWakePrep ( UINT8  SleepState)

Definition at line 207 of file hwesleep.c.

209{
210 UINT8 SleepTypeValue;
211
212
213 ACPI_FUNCTION_TRACE (HwExtendedWakePrep);
214
215
216 if (AcpiGbl_SleepTypeAS0 != ACPI_SLEEP_TYPE_INVALID)
217 {
218 SleepTypeValue = ((AcpiGbl_SleepTypeAS0 << ACPI_X_SLEEP_TYPE_POSITION) &
220
221 (void) AcpiWrite ((UINT64) (SleepTypeValue | ACPI_X_SLEEP_ENABLE),
222 &AcpiGbl_FADT.SleepControl);
223 }
224
226}