diff options
Diffstat (limited to 'sys/contrib/dev/acpica/hwgpe.c')
| -rw-r--r-- | sys/contrib/dev/acpica/hwgpe.c | 197 |
1 files changed, 110 insertions, 87 deletions
diff --git a/sys/contrib/dev/acpica/hwgpe.c b/sys/contrib/dev/acpica/hwgpe.c index adcf65f..b6c71cb 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); } } |
