diff options
Diffstat (limited to 'Silicon/Intel/LewisburgPkg/Include/Library/GpioLib.h')
| -rw-r--r-- | Silicon/Intel/LewisburgPkg/Include/Library/GpioLib.h | 783 |
1 files changed, 783 insertions, 0 deletions
diff --git a/Silicon/Intel/LewisburgPkg/Include/Library/GpioLib.h b/Silicon/Intel/LewisburgPkg/Include/Library/GpioLib.h new file mode 100644 index 0000000000..383be789fd --- /dev/null +++ b/Silicon/Intel/LewisburgPkg/Include/Library/GpioLib.h @@ -0,0 +1,783 @@ +/** @file + +Copyright (c) 2018, Intel Corporation. All rights reserved.<BR> +This program and the accompanying materials are licensed and made available under +the terms and conditions of the BSD License that accompanies this distribution. +The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php. + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#ifndef _GPIO_LIB_H_ +#define _GPIO_LIB_H_ + +#include <GpioConfig.h> +#include <Uefi/UefiBaseType.h> + +typedef struct { + GPIO_PAD GpioPad; + GPIO_CONFIG GpioConfig; +} GPIO_INIT_CONFIG; +/** + This procedure will initialize multiple GPIO pins. Use GPIO_INIT_CONFIG structure. + Structure contains fields that can be used to configure each pad. + Pad not configured using GPIO_INIT_CONFIG will be left with hardware default values. + Separate fields could be set to hardware default if it does not matter, except + GpioPad and PadMode. + Some GpioPads are configured and switched to native mode by RC, those include: + SerialIo pins, ISH pins, ClkReq Pins + + @param[in] NumberofItem Number of GPIO pads to be updated + @param[in] GpioInitTableAddress GPIO initialization table + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioConfigurePads ( + IN UINT32 NumberOfItems, + IN GPIO_INIT_CONFIG *GpioInitTableAddress + ); + +// +// Functions for setting/getting multiple GpioPad settings +// + +/** + This procedure will read multiple GPIO settings + + @param[in] GpioPad GPIO Pad + @param[out] GpioData GPIO data structure + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetPadConfig ( + IN GPIO_PAD GpioPad, + OUT GPIO_CONFIG *GpioData + ); + +/** + This procedure will configure multiple GPIO settings + + @param[in] GpioPad GPIO Pad + @param[in] GpioData GPIO data structure + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioSetPadConfig ( + IN GPIO_PAD GpioPad, + IN GPIO_CONFIG *GpioData + ); + +// +// Functions for setting/getting single GpioPad properties +// + +/** + This procedure will set GPIO output level + + @param[in] GpioPad GPIO pad + @param[in] Value Output value + 0: OutputLow, 1: OutputHigh + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioSetOutputValue ( + IN GPIO_PAD GpioPad, + IN UINT32 Value + ); + +/** + This procedure will get GPIO output level + + @param[in] GpioPad GPIO pad + @param[out] OutputVal GPIO Output value + 0: OutputLow, 1: OutputHigh + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetOutputValue ( + IN GPIO_PAD GpioPad, + OUT UINT32 *OutputVal + ); + +/** + This procedure will get GPIO input level + + @param[in] GpioPad GPIO pad + @param[out] InputVal GPIO Input value + 0: InputLow, 1: InputHigh + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetInputValue ( + IN GPIO_PAD GpioPad, + OUT UINT32 *InputVal + ); + +/** + This procedure will get GPIO IOxAPIC interrupt number + + @param[in] GpioPad GPIO pad + @param[out] IrqNum IRQ number + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetPadIoApicIrqNumber ( + IN GPIO_PAD GpioPad, + OUT UINT32 *IrqNum + ); + +/** + This procedure will configure GPIO input inversion + + @param[in] GpioPad GPIO pad + @param[in] Value Value for GPIO input inversion + 0: No input inversion, 1: Invert input + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioSetInputInversion ( + IN GPIO_PAD GpioPad, + IN UINT32 Value + ); + +/** + This procedure will get GPIO pad input inversion value + + @param[in] GpioPad GPIO pad + @param[out] InvertState GPIO inversion state + 0: No input inversion, 1: Inverted input + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetInputInversion ( + IN GPIO_PAD GpioPad, + OUT UINT32 *InvertState + ); + +/** + This procedure will set GPIO interrupt settings + + @param[in] GpioPad GPIO pad + @param[in] Value Value of Level/Edge + use GPIO_INT_CONFIG as argument + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioSetPadInterruptConfig ( + IN GPIO_PAD GpioPad, + IN GPIO_INT_CONFIG Value + ); + +/** + This procedure will set GPIO electrical settings + + @param[in] GpioPad GPIO pad + @param[in] Value Value of termination + use GPIO_ELECTRICAL_CONFIG as argument + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioSetPadElectricalConfig ( + IN GPIO_PAD GpioPad, + IN GPIO_ELECTRICAL_CONFIG Value + ); + +/** + This procedure will set GPIO Reset settings + + @param[in] GpioPad GPIO pad + @param[in] Value Value for Pad Reset Configuration + use GPIO_RESET_CONFIG as argument + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioSetPadResetConfig ( + IN GPIO_PAD GpioPad, + IN GPIO_RESET_CONFIG Value + ); + +/** + This procedure will get GPIO Reset settings + + @param[in] GpioPad GPIO pad + @param[in] Value Value of Pad Reset Configuration + based on GPIO_RESET_CONFIG + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetPadResetConfig ( + IN GPIO_PAD GpioPad, + IN GPIO_RESET_CONFIG *Value + ); + +/** + This procedure will get GPIO Host Software Pad Ownership for certain group + + @param[in] Group GPIO group + @param[in] DwNum Host Ownership register number for current group. + For group which has less then 32 pads per group DwNum must be 0. + @param[out] HostSwRegVal Value of Host Software Pad Ownership register + Bit position - PadNumber + Bit value - 0: ACPI Mode, 1: GPIO Driver mode + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or DwNum parameter number +**/ +EFI_STATUS +GpioGetHostSwOwnershipForGroupDw ( + IN GPIO_GROUP Group, + IN UINT32 DwNum, + OUT UINT32 *HostSwRegVal + ); + +/** + This procedure will get GPIO Host Software Pad Ownership for certain group + + @param[in] Group GPIO group + @param[in] DwNum Host Ownership register number for current group + For group which has less then 32 pads per group DwNum must be 0. + @param[in] HostSwRegVal Value of Host Software Pad Ownership register + Bit position - PadNumber + Bit value - 0: ACPI Mode, 1: GPIO Driver mode + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or DwNum parameter number +**/ +EFI_STATUS +GpioSetHostSwOwnershipForGroupDw ( + IN GPIO_GROUP Group, + IN UINT32 DwNum, + IN UINT32 HostSwRegVal + ); + +/** + This procedure will get Gpio Pad Host Software Ownership + + @param[in] GpioPad GPIO pad + @param[out] PadHostSwOwn Value of Host Software Pad Owner + 0: ACPI Mode, 1: GPIO Driver mode + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetHostSwOwnershipForPad ( + IN GPIO_PAD GpioPad, + OUT UINT32 *PadHostSwOwn + ); + +/** + This procedure will set Gpio Pad Host Software Ownership + + @param[in] GpioPad GPIO pad + @param[in] PadHostSwOwn Pad Host Software Owner + 0: ACPI Mode, 1: GPIO Driver mode + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioSetHostSwOwnershipForPad ( + IN GPIO_PAD GpioPad, + IN UINT32 PadHostSwOwn + ); + +// +// Possible values of Pad Ownership +// +typedef enum { + GpioPadOwnHost = 0x0, + GpioPadOwnCsme = 0x1, + GpioPadOwnIsh = 0x2, +} GPIO_PAD_OWN; + +/** + This procedure will get Gpio Pad Ownership + + @param[in] GpioPad GPIO pad + @param[out] PadOwnVal Value of Pad Ownership + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetPadOwnership ( + IN GPIO_PAD GpioPad, + OUT GPIO_PAD_OWN *PadOwnVal + ); + +/** + This procedure will check state of Pad Config Lock for pads within one group + + @param[in] Group GPIO group + @param[in] DwNum PadCfgLock register number for current group. + For group which has less then 32 pads per group DwNum must be 0. + @param[out] PadCfgLockRegVal Value of PadCfgLock register + Bit position - PadNumber + Bit value - 0: NotLocked, 1: Locked + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or DwNum parameter number +**/ +EFI_STATUS +GpioGetPadCfgLockForGroupDw ( + IN GPIO_GROUP Group, + IN UINT32 DwNum, + OUT UINT32 *PadCfgLockRegVal + ); + +/** + This procedure will check state of Pad Config Lock for selected pad + + @param[in] GpioPad GPIO pad + @param[out] PadCfgLock PadCfgLock for selected pad + 0: NotLocked, 1: Locked + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetPadCfgLock ( + IN GPIO_PAD GpioPad, + OUT UINT32 *PadCfgLock + ); + +/** + This procedure will check state of Pad Config Tx Lock for pads within one group + + @param[in] Group GPIO group + @param[in] DwNum PadCfgLockTx register number for current group. + For group which has less then 32 pads per group DwNum must be 0. + @param[out] PadCfgLockTxRegVal Value of PadCfgLockTx register + Bit position - PadNumber + Bit value - 0: NotLockedTx, 1: LockedTx + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or DwNum parameter number +**/ +EFI_STATUS +GpioGetPadCfgLockTxForGroupDw ( + IN GPIO_GROUP Group, + IN UINT32 DwNum, + OUT UINT32 *PadCfgLockTxRegVal + ); + +/** + This procedure will check state of Pad Config Tx Lock for selected pad + + @param[in] GpioPad GPIO pad + @param[out] PadCfgLock PadCfgLockTx for selected pad + 0: NotLockedTx, 1: LockedTx + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetPadCfgLockTx ( + IN GPIO_PAD GpioPad, + OUT UINT32 *PadCfgLockTx + ); + +/** + This procedure will clear PadCfgLock for selected pads within one group. + This function should be used only inside SMI. + + @param[in] Group GPIO group + @param[in] DwNum PadCfgLock register number for current group. + For group which has less then 32 pads per group DwNum must be 0. + @param[in] PadsToUnlock Bitmask for pads which are going to be unlocked, + Bit position - PadNumber + Bit value - 0: DoNotUnlock, 1: Unlock + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioUnlockPadCfgForGroupDw ( + IN GPIO_GROUP Group, + IN UINT32 DwNum, + IN UINT32 PadsToUnlock + ); + +/** + This procedure will clear PadCfgLock for selected pad. + This function should be used only inside SMI. + + @param[in] GpioPad GPIO pad + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioUnlockPadCfg ( + IN GPIO_PAD GpioPad + ); + +/** + This procedure will set PadCfgLock for selected pads within one group + + @param[in] Group GPIO group + @param[in] DwNum PadCfgLock register number for current group. + For group which has less then 32 pads per group DwNum must be 0. + @param[in] PadsToLock Bitmask for pads which are going to be locked, + Bit position - PadNumber + Bit value - 0: DoNotLock, 1: Lock + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or DwNum parameter number +**/ +EFI_STATUS +GpioLockPadCfgForGroupDw ( + IN GPIO_GROUP Group, + IN UINT32 DwNum, + IN UINT32 PadsToLock + ); + +/** + This procedure will set PadCfgLock for selected pad + + @param[in] GpioPad GPIO pad + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioLockPadCfg ( + IN GPIO_PAD GpioPad + ); + +/** + This procedure will clear PadCfgLockTx for selected pads within one group. + This function should be used only inside SMI. + + @param[in] Group GPIO group + @param[in] DwNum PadCfgLockTx register number for current group. + For group which has less then 32 pads per group DwNum must be 0. + @param[in] PadsToUnlockTx Bitmask for pads which are going to be unlocked, + Bit position - PadNumber + Bit value - 0: DoNotUnLockTx, 1: LockTx + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioUnlockPadCfgTxForGroupDw ( + IN GPIO_GROUP Group, + IN UINT32 DwNum, + IN UINT32 PadsToUnlockTx + ); + +/** + This procedure will clear PadCfgLockTx for selected pad. + This function should be used only inside SMI. + + @param[in] GpioPad GPIO pad + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioUnlockPadCfgTx ( + IN GPIO_PAD GpioPad + ); + +/** + This procedure will set PadCfgLockTx for selected pads within one group + + @param[in] Group GPIO group + @param[in] DwNum PadCfgLock register number for current group. + For group which has less then 32 pads per group DwNum must be 0. + @param[in] PadsToLockTx Bitmask for pads which are going to be locked, + Bit position - PadNumber + Bit value - 0: DoNotLockTx, 1: LockTx + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or DwNum parameter number +**/ +EFI_STATUS +GpioLockPadCfgTxForGroupDw ( + IN GPIO_GROUP Group, + IN UINT32 DwNum, + IN UINT32 PadsToLockTx + ); + +/** + This procedure will set PadCfgLockTx for selected pad + + @param[in] GpioPad GPIO pad + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioLockPadCfgTx ( + IN GPIO_PAD GpioPad + ); + +/** + This procedure will get Group to GPE mapping. + + @param[out] GroupToGpeDw0 GPIO group to be mapped to GPE_DW0 + @param[out] GroupToGpeDw1 GPIO group to be mapped to GPE_DW1 + @param[out] GroupToGpeDw2 GPIO group to be mapped to GPE_DW2 + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetGroupToGpeDwX ( + IN GPIO_GROUP *GroupToGpeDw0, + IN GPIO_GROUP *GroupToGpeDw1, + IN GPIO_GROUP *GroupToGpeDw2 + ); + +/** + This procedure will set Group to GPE mapping. + + @param[in] GroupToGpeDw0 GPIO group to be mapped to GPE_DW0 + @param[in] GroupToGpeDw1 GPIO group to be mapped to GPE_DW1 + @param[in] GroupToGpeDw2 GPIO group to be mapped to GPE_DW2 + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioSetGroupToGpeDwX ( + IN GPIO_GROUP GroupToGpeDw0, + IN GPIO_GROUP GroupToGpeDw1, + IN GPIO_GROUP GroupToGpeDw2 + ); + +/** + This procedure will get GPE number for provided GpioPad. + PCH allows to configure mapping between GPIO groups and related GPE (GpioSetGroupToGpeDwX()) + what results in the fact that certain Pad can cause different General Purpose Event. Only three + GPIO groups can be mapped to cause unique GPE (1-tier), all others groups will be under one common + event (GPE_111 for 2-tier). + + 1-tier: + Returned GpeNumber is in range <0,95>. GpioGetGpeNumber() can be used + to determine what _LXX ACPI method would be called on event on selected GPIO pad + + 2-tier: + Returned GpeNumber is 0x6F (111). All GPIO pads which are not mapped to 1-tier GPE + will be under one master GPE_111 which is linked to _L6F ACPI method. If it is needed to determine + what Pad from 2-tier has caused the event, _L6F method should check GPI_GPE_STS and GPI_GPE_EN + registers for all GPIO groups not mapped to 1-tier GPE. + + @param[in] GpioPad GPIO pad + @param[out] GpeNumber GPE number + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetGpeNumber ( + IN GPIO_PAD GpioPad, + OUT UINT32 *GpeNumber + ); + +/** + This procedure is used to clear SMI STS for a specified Pad + + @param[in] GpioPad GPIO pad + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioClearGpiSmiSts ( + IN GPIO_PAD GpioPad + ); + +/** + This procedure is used by Smi Dispatcher and will clear + all GPI SMI Status bits + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioClearAllGpiSmiSts ( + VOID + ); + +/** + This procedure is used to disable all GPI SMI + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioDisableAllGpiSmi ( + VOID + ); + +/** + This procedure is used to register GPI SMI dispatch function. + + @param[in] GpioPad GPIO pad + @param[out] GpiNum GPI number + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetGpiSmiNum ( + IN GPIO_PAD GpioPad, + OUT UINTN *GpiNum + ); + +/** + This procedure is used to check GPIO inputs belongs to 2 tier or 1 tier architecture + + @param[in] GpioPad GPIO pad + + @retval Data 0 means 1-tier, 1 means 2-tier +**/ +BOOLEAN +GpioCheckFor2Tier ( + IN GPIO_PAD GpioPad + ); + +/** + This procedure is used to clear GPE STS for a specified GpioPad + + @param[in] GpioPad GPIO pad + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioClearGpiGpeSts ( + IN GPIO_PAD GpioPad + ); + +/** + This procedure is used to read GPE STS for a specified Pad + + @param[in] GpioPad GPIO pad + @param[out] Data GPE STS data + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioGetGpiGpeSts ( + IN GPIO_PAD GpioPad, + OUT UINT32* Data + ); + +/** + This procedure will set GPIO Input Rout SCI + + @param[in] GpioPad GPIO pad + @param[in] Value Value for GPIRoutSCI + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioSetGpiRoutSci ( + IN GPIO_PAD GpioPad, + IN UINT32 Value + ); + +/** + This procedure will set GPIO Input Rout SMI + + @param[in] GpioPad GPIO pad + @param[in] Value Value for GPIRoutSMI + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioSetGpiRoutSmi ( + IN GPIO_PAD GpioPad, + IN UINT32 Value + ); + +/** + This procedure will set GPI SMI Enable setting for selected pad + + @param[in] GpioPad GPIO pad + @param[in] PadGpiSmiEn GPI SMI Enable setting for selected pad + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioSetGpiSmiPadEn ( + IN GPIO_PAD GpioPad, + IN UINT32 PadGpiSmiEn + ); + +/** + This procedure will set GPI General Purpose Event Enable setting for selected pad + + @param[in] GpioPad GPIO pad + @param[in] PadGpiGpeEn GPI General Purpose Event Enable setting for selected pad + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_INVALID_PARAMETER Invalid group or pad number +**/ +EFI_STATUS +GpioSetGpiGpePadEn ( + IN GPIO_PAD GpioPad, + IN UINT32 PadGpiGpeEn + ); + +/** + Locks GPIO pads according to GPIO_INIT_CONFIG array from + gPlatformGpioConfigGuid HOB. Only locking is applied and no other GPIO pad + configuration is changed. + + @retval EFI_SUCCESS The function completed successfully + @retval EFI_NOT_FOUND gPlatformGpioConfigGuid not found +**/ +EFI_STATUS +GpioLockGpios ( + VOID + ); + +/** + Unlocks all PCH GPIO pads + + @retval None +**/ +VOID +GpioUnlockAllGpios ( + VOID + ); + +#endif // _GPIO_LIB_H_ |