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Diffstat (limited to 'sys/contrib/dev/acpica/hwgpe.c')
-rw-r--r--sys/contrib/dev/acpica/hwgpe.c197
1 files changed, 110 insertions, 87 deletions
diff --git a/sys/contrib/dev/acpica/hwgpe.c b/sys/contrib/dev/acpica/hwgpe.c
index adcf65f84b2b..b6c71cb16c5d 100644
--- a/sys/contrib/dev/acpica/hwgpe.c
+++ b/sys/contrib/dev/acpica/hwgpe.c
@@ -2,7 +2,7 @@
/******************************************************************************
*
* Module Name: hwgpe - Low level GPE enable/disable/clear functions
- * $Revision: 35 $
+ * $Revision: 39 $
*
*****************************************************************************/
@@ -10,7 +10,7 @@
*
* 1. Copyright Notice
*
- * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2002, Intel Corp.
* All rights reserved.
*
* 2. License
@@ -121,7 +121,27 @@
#include "acevents.h"
#define _COMPONENT ACPI_HARDWARE
- MODULE_NAME ("hwgpe")
+ ACPI_MODULE_NAME ("hwgpe")
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AcpiHwGetGpeBitMask
+ *
+ * PARAMETERS: GpeNumber - The GPE
+ *
+ * RETURN: Gpe register bitmask for this gpe level
+ *
+ * DESCRIPTION: Get the bitmask for this GPE
+ *
+ ******************************************************************************/
+
+UINT32
+AcpiHwGetGpeBitMask (
+ UINT32 GpeNumber)
+{
+ return (AcpiGbl_GpeNumberInfo [AcpiEvGetGpeNumberIndex (GpeNumber)].BitMask);
+}
/******************************************************************************
@@ -145,29 +165,28 @@ AcpiHwEnableGpe (
UINT32 BitMask;
- FUNCTION_ENTRY ();
+ ACPI_FUNCTION_ENTRY ();
- /*
- * Translate GPE number to index into global registers array.
- */
- RegisterIndex = AcpiGbl_GpeValid[GpeNumber];
+ /* Translate GPE number to index into global registers array. */
- /*
- * Figure out the bit offset for this GPE within the target register.
- */
- BitMask = AcpiGbl_DecodeTo8bit [MOD_8 (GpeNumber)];
+ RegisterIndex = AcpiEvGetGpeRegisterIndex (GpeNumber);
+
+ /* Get the register bitmask for this GPE */
+
+ BitMask = AcpiHwGetGpeBitMask (GpeNumber);
/*
* Read the current value of the register, set the appropriate bit
* to enable the GPE, and write out the new register.
*/
InByte = 0;
- AcpiOsReadPort (AcpiGbl_GpeRegisters[RegisterIndex].EnableAddr, &InByte, 8);
- AcpiOsWritePort (AcpiGbl_GpeRegisters[RegisterIndex].EnableAddr,
- (InByte | BitMask), 8);
+ AcpiOsReadPort (AcpiGbl_GpeRegisterInfo[RegisterIndex].EnableAddr, &InByte, 8);
+ AcpiOsWritePort (AcpiGbl_GpeRegisterInfo[RegisterIndex].EnableAddr,
+ (InByte | BitMask), 8);
}
+
/******************************************************************************
*
* FUNCTION: AcpiHwEnableGpeForWakeup
@@ -189,25 +208,24 @@ AcpiHwEnableGpeForWakeup (
UINT32 BitMask;
- FUNCTION_ENTRY ();
+ ACPI_FUNCTION_ENTRY ();
- /*
- * Translate GPE number to index into global registers array.
- */
- RegisterIndex = AcpiGbl_GpeValid[GpeNumber];
+ /* Translate GPE number to index into global registers array. */
- /*
- * Figure out the bit offset for this GPE within the target register.
- */
- BitMask = AcpiGbl_DecodeTo8bit [MOD_8 (GpeNumber)];
+ RegisterIndex = AcpiEvGetGpeRegisterIndex (GpeNumber);
+
+ /* Get the register bitmask for this GPE */
+
+ BitMask = AcpiHwGetGpeBitMask (GpeNumber);
/*
* Set the bit so we will not disable this when sleeping
*/
- AcpiGbl_GpeRegisters[RegisterIndex].WakeEnable |= BitMask;
+ AcpiGbl_GpeRegisterInfo[RegisterIndex].WakeEnable |= BitMask;
}
+
/******************************************************************************
*
* FUNCTION: AcpiHwDisableGpe
@@ -229,31 +247,30 @@ AcpiHwDisableGpe (
UINT32 BitMask;
- FUNCTION_ENTRY ();
+ ACPI_FUNCTION_ENTRY ();
- /*
- * Translate GPE number to index into global registers array.
- */
- RegisterIndex = AcpiGbl_GpeValid[GpeNumber];
+ /* Translate GPE number to index into global registers array. */
- /*
- * Figure out the bit offset for this GPE within the target register.
- */
- BitMask = AcpiGbl_DecodeTo8bit [MOD_8 (GpeNumber)];
+ RegisterIndex = AcpiEvGetGpeRegisterIndex (GpeNumber);
+
+ /* Get the register bitmask for this GPE */
+
+ BitMask = AcpiHwGetGpeBitMask (GpeNumber);
/*
* Read the current value of the register, clear the appropriate bit,
* and write out the new register value to disable the GPE.
*/
InByte = 0;
- AcpiOsReadPort (AcpiGbl_GpeRegisters[RegisterIndex].EnableAddr, &InByte, 8);
- AcpiOsWritePort (AcpiGbl_GpeRegisters[RegisterIndex].EnableAddr,
+ AcpiOsReadPort (AcpiGbl_GpeRegisterInfo[RegisterIndex].EnableAddr, &InByte, 8);
+ AcpiOsWritePort (AcpiGbl_GpeRegisterInfo[RegisterIndex].EnableAddr,
(InByte & ~BitMask), 8);
AcpiHwDisableGpeForWakeup(GpeNumber);
}
+
/******************************************************************************
*
* FUNCTION: AcpiHwDisableGpeForWakeup
@@ -275,25 +292,24 @@ AcpiHwDisableGpeForWakeup (
UINT32 BitMask;
- FUNCTION_ENTRY ();
+ ACPI_FUNCTION_ENTRY ();
- /*
- * Translate GPE number to index into global registers array.
- */
- RegisterIndex = AcpiGbl_GpeValid[GpeNumber];
+ /* Translate GPE number to index into global registers array. */
- /*
- * Figure out the bit offset for this GPE within the target register.
- */
- BitMask = AcpiGbl_DecodeTo8bit [MOD_8 (GpeNumber)];
+ RegisterIndex = AcpiEvGetGpeRegisterIndex (GpeNumber);
+
+ /* Get the register bitmask for this GPE */
+
+ BitMask = AcpiHwGetGpeBitMask (GpeNumber);
/*
* Clear the bit so we will disable this when sleeping
*/
- AcpiGbl_GpeRegisters[RegisterIndex].WakeEnable &= ~BitMask;
+ AcpiGbl_GpeRegisterInfo[RegisterIndex].WakeEnable &= ~BitMask;
}
+
/******************************************************************************
*
* FUNCTION: AcpiHwClearGpe
@@ -314,24 +330,22 @@ AcpiHwClearGpe (
UINT32 BitMask;
- FUNCTION_ENTRY ();
+ ACPI_FUNCTION_ENTRY ();
- /*
- * Translate GPE number to index into global registers array.
- */
- RegisterIndex = AcpiGbl_GpeValid[GpeNumber];
+ /* Translate GPE number to index into global registers array. */
- /*
- * Figure out the bit offset for this GPE within the target register.
- */
- BitMask = AcpiGbl_DecodeTo8bit [MOD_8 (GpeNumber)];
+ RegisterIndex = AcpiEvGetGpeRegisterIndex (GpeNumber);
+
+ /* Get the register bitmask for this GPE */
+
+ BitMask = AcpiHwGetGpeBitMask (GpeNumber);
/*
* Write a one to the appropriate bit in the status register to
* clear this GPE.
*/
- AcpiOsWritePort (AcpiGbl_GpeRegisters[RegisterIndex].StatusAddr, BitMask, 8);
+ AcpiOsWritePort (AcpiGbl_GpeRegisterInfo[RegisterIndex].StatusAddr, BitMask, 8);
}
@@ -355,9 +369,10 @@ AcpiHwGetGpeStatus (
UINT32 InByte = 0;
UINT32 RegisterIndex = 0;
UINT32 BitMask = 0;
+ ACPI_GPE_REGISTER_INFO *GpeRegisterInfo;
- FUNCTION_ENTRY ();
+ ACPI_FUNCTION_ENTRY ();
if (!EventStatus)
@@ -367,45 +382,42 @@ AcpiHwGetGpeStatus (
(*EventStatus) = 0;
- /*
- * Translate GPE number to index into global registers array.
- */
- RegisterIndex = AcpiGbl_GpeValid[GpeNumber];
+ /* Translate GPE number to index into global registers array. */
- /*
- * Figure out the bit offset for this GPE within the target register.
- */
- BitMask = AcpiGbl_DecodeTo8bit [MOD_8 (GpeNumber)];
+ RegisterIndex = AcpiEvGetGpeRegisterIndex (GpeNumber);
+ GpeRegisterInfo = &AcpiGbl_GpeRegisterInfo[RegisterIndex];
+
+ /* Get the register bitmask for this GPE */
+
+ BitMask = AcpiHwGetGpeBitMask (GpeNumber);
+
+ /* GPE Enabled? */
- /*
- * Enabled?:
- */
InByte = 0;
- AcpiOsReadPort (AcpiGbl_GpeRegisters[RegisterIndex].EnableAddr, &InByte, 8);
+ AcpiOsReadPort (GpeRegisterInfo->EnableAddr, &InByte, 8);
if (BitMask & InByte)
{
(*EventStatus) |= ACPI_EVENT_FLAG_ENABLED;
}
- /*
- * Enabled for wake?:
- */
- if (BitMask & AcpiGbl_GpeRegisters[RegisterIndex].WakeEnable)
+ /* GPE Enabled for wake? */
+
+ if (BitMask & GpeRegisterInfo->WakeEnable)
{
(*EventStatus) |= ACPI_EVENT_FLAG_WAKE_ENABLED;
}
- /*
- * Set?
- */
+ /* GPE active (set)? */
+
InByte = 0;
- AcpiOsReadPort (AcpiGbl_GpeRegisters[RegisterIndex].StatusAddr, &InByte, 8);
+ AcpiOsReadPort (GpeRegisterInfo->StatusAddr, &InByte, 8);
if (BitMask & InByte)
{
(*EventStatus) |= ACPI_EVENT_FLAG_SET;
}
}
+
/******************************************************************************
*
* FUNCTION: AcpiHwDisableNonWakeupGpes
@@ -416,7 +428,7 @@ AcpiHwGetGpeStatus (
*
* DESCRIPTION: Disable all non-wakeup GPEs
* Call with interrupts disabled. The interrupt handler also
- * modifies AcpiGbl_GpeRegisters[i].Enable, so it should not be
+ * modifies AcpiGbl_GpeRegisterInfo[i].Enable, so it should not be
* given the chance to run until after non-wake GPEs are
* re-enabled.
*
@@ -427,26 +439,32 @@ AcpiHwDisableNonWakeupGpes (
void)
{
UINT32 i;
+ ACPI_GPE_REGISTER_INFO *GpeRegisterInfo;
+
+
+ ACPI_FUNCTION_ENTRY ();
- FUNCTION_ENTRY ();
for (i = 0; i < AcpiGbl_GpeRegisterCount; i++)
{
+ GpeRegisterInfo = &AcpiGbl_GpeRegisterInfo[i];
+
/*
* Read the enabled status of all GPEs. We
* will be using it to restore all the GPEs later.
*/
- AcpiOsReadPort (AcpiGbl_GpeRegisters[i].EnableAddr,
- &AcpiGbl_GpeRegisters[i].Enable, 8);
+ AcpiOsReadPort (GpeRegisterInfo->EnableAddr,
+ &GpeRegisterInfo->Enable, 8);
/*
- * Disable all GPEs but wakeup GPEs.
+ * Disable all GPEs except wakeup GPEs.
*/
- AcpiOsWritePort(AcpiGbl_GpeRegisters[i].EnableAddr,
- AcpiGbl_GpeRegisters[i].WakeEnable, 8);
+ AcpiOsWritePort(GpeRegisterInfo->EnableAddr,
+ GpeRegisterInfo->WakeEnable, 8);
}
}
+
/******************************************************************************
*
* FUNCTION: AcpiHwEnableNonWakeupGpes
@@ -464,16 +482,21 @@ AcpiHwEnableNonWakeupGpes (
void)
{
UINT32 i;
+ ACPI_GPE_REGISTER_INFO *GpeRegisterInfo;
+
+
+ ACPI_FUNCTION_ENTRY ();
- FUNCTION_ENTRY ();
for (i = 0; i < AcpiGbl_GpeRegisterCount; i++)
{
+ GpeRegisterInfo = &AcpiGbl_GpeRegisterInfo[i];
+
/*
* We previously stored the enabled status of all GPEs.
* Blast them back in.
*/
- AcpiOsWritePort(AcpiGbl_GpeRegisters[i].EnableAddr,
- AcpiGbl_GpeRegisters[i].Enable, 8);
+ AcpiOsWritePort(GpeRegisterInfo->EnableAddr,
+ GpeRegisterInfo->Enable, 8);
}
}
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