/** @file
|
Header file for GpioLib.
|
All function in this library is available for PEI, DXE, and SMM
|
|
@note: When GPIO pads are owned by ME Firmware, BIOS/host should not
|
attempt to access these GPIO Pads registers, registers value
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returned in this case will be 0xFF.
|
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Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
|
#ifndef _GPIO_LIB_H_
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#define _GPIO_LIB_H_
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#include <Library/GpioConfig.h>
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#define GPIO_NAME_LENGTH_MAX 32
|
|
typedef struct {
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GPIO_PAD GpioPad;
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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.
|
Function will work in most efficient way if pads which belong to the same group are
|
placed in adjacent records of the table.
|
Although function can enable pads for Native mode, such programming is done
|
by reference code when enabling related silicon feature.
|
|
@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 (
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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
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@param[out] GpioData GPIO data structure
|
|
@retval EFI_SUCCESS The function completed successfully
|
@retval EFI_INVALID_PARAMETER Invalid GpioPad
|
**/
|
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 GpioPad
|
**/
|
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 GpioPad
|
**/
|
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 GpioPad
|
**/
|
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 GpioPad
|
**/
|
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 GpioPad
|
**/
|
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 GpioPad
|
**/
|
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 GpioPad
|
**/
|
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 GpioPad
|
**/
|
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 GpioPad
|
**/
|
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 GpioPad
|
**/
|
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 GpioPad
|
**/
|
EFI_STATUS
|
GpioGetPadResetConfig (
|
IN GPIO_PAD GpioPad,
|
IN GPIO_RESET_CONFIG *Value
|
);
|
|
/**
|
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 GpioPad
|
**/
|
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 GpioPad
|
**/
|
EFI_STATUS
|
GpioSetHostSwOwnershipForPad (
|
IN GPIO_PAD GpioPad,
|
IN UINT32 PadHostSwOwn
|
);
|
|
///
|
/// Possible values of Pad Ownership
|
/// If Pad is not under Host ownership then GPIO registers
|
/// are not accessible by host (e.g. BIOS) and reading them
|
/// will return 0xFFs.
|
///
|
typedef enum {
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GpioPadOwnHost = 0x0,
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GpioPadOwnCsme = 0x1,
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GpioPadOwnIsh = 0x2,
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} GPIO_PAD_OWN;
|
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/**
|
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 GpioPad
|
**/
|
EFI_STATUS
|
GpioGetPadOwnership (
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IN GPIO_PAD GpioPad,
|
OUT GPIO_PAD_OWN *PadOwnVal
|
);
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/**
|
This procedure will check state of Pad Config Lock for pads within one group
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|
@param[in] Group GPIO group
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@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 (
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IN GPIO_GROUP Group,
|
IN UINT32 DwNum,
|
OUT UINT32 *PadCfgLockRegVal
|
);
|
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/**
|
This procedure will check state of Pad Config Lock for selected pad
|
|
@param[in] GpioPad GPIO pad
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@param[out] PadCfgLock PadCfgLock for selected pad
|
0: NotLocked, 1: Locked
|
|
@retval EFI_SUCCESS The function completed successfully
|
@retval EFI_INVALID_PARAMETER Invalid GpioPad
|
**/
|
EFI_STATUS
|
GpioGetPadCfgLock (
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IN GPIO_PAD GpioPad,
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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 (
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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 GpioPad
|
**/
|
EFI_STATUS
|
GpioGetPadCfgLockTx (
|
IN GPIO_PAD GpioPad,
|
OUT UINT32 *PadCfgLockTx
|
);
|
|
/**
|
This procedure will clear PadCfgLock for selected pads within one group.
|
Unlocking a pad will cause an SMI (if enabled)
|
|
@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.
|
Unlocking a pad will cause an SMI (if enabled)
|
|
@param[in] GpioPad GPIO pad
|
|
@retval EFI_SUCCESS The function completed successfully
|
@retval EFI_INVALID_PARAMETER Invalid GpioPad
|
**/
|
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 GpioPad
|
**/
|
EFI_STATUS
|
GpioLockPadCfg (
|
IN GPIO_PAD GpioPad
|
);
|
|
/**
|
This procedure will clear PadCfgLockTx for selected pads within one group.
|
Unlocking a pad will cause an SMI (if enabled)
|
|
@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.
|
Unlocking a pad will cause an SMI (if enabled)
|
|
@param[in] GpioPad GPIO pad
|
|
@retval EFI_SUCCESS The function completed successfully
|
@retval EFI_INVALID_PARAMETER Invalid GpioPad
|
**/
|
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 GpioPad
|
**/
|
EFI_STATUS
|
GpioLockPadCfgTx (
|
IN GPIO_PAD GpioPad
|
);
|
|
/**
|
This procedure will get Group to GPE mapping.
|
It will assume that only first 32 pads can be mapped to GPE.
|
To handle cases where groups have more than 32 pads and higher part of group
|
can be mapped please refer to GpioGetGroupDwToGpeDwX()
|
|
@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 get Group to GPE mapping. If group has more than 32 bits
|
it is possible to map only single DW of pins (e.g. 0-31, 32-63) because
|
ACPI GPE_DWx register is 32 bits large.
|
|
@param[out] GroupToGpeDw0 GPIO group mapped to GPE_DW0
|
@param[out] GroupDwForGpeDw0 DW of pins mapped to GPE_DW0
|
@param[out] GroupToGpeDw1 GPIO group mapped to GPE_DW1
|
@param[out] GroupDwForGpeDw1 DW of pins mapped to GPE_DW1
|
@param[out] GroupToGpeDw2 GPIO group mapped to GPE_DW2
|
@param[out] GroupDwForGpeDw2 DW of pins mapped to GPE_DW2
|
|
@retval EFI_SUCCESS The function completed successfully
|
@retval EFI_INVALID_PARAMETER Invalid group or pad number
|
**/
|
EFI_STATUS
|
GpioGetGroupDwToGpeDwX (
|
OUT GPIO_GROUP *GroupToGpeDw0,
|
OUT UINT32 *GroupDwForGpeDw0,
|
OUT GPIO_GROUP *GroupToGpeDw1,
|
OUT UINT32 *GroupDwForGpeDw1,
|
OUT GPIO_GROUP *GroupToGpeDw2,
|
OUT UINT32 *GroupDwForGpeDw2
|
);
|
|
/**
|
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 GpioPad
|
**/
|
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 GpioPad
|
**/
|
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
|
**/
|
EFI_STATUS
|
GpioClearAllGpiSmiSts (
|
VOID
|
);
|
|
/**
|
This procedure is used to disable all GPI SMI
|
|
@retval EFI_SUCCESS The function completed successfully
|
**/
|
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 GpioPad
|
**/
|
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 GpioPad
|
**/
|
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] GpeSts Gpe status for given pad
|
The GpeSts is true if the status register is set for given Pad number
|
|
@retval EFI_SUCCESS The function completed successfully
|
@retval EFI_INVALID_PARAMETER Invalid GpioPad
|
**/
|
EFI_STATUS
|
GpioGetGpiGpeSts (
|
IN GPIO_PAD GpioPad,
|
OUT BOOLEAN *GpeSts
|
);
|
|
/**
|
This procedure is used to get SMI STS for a specified Pad
|
|
@param[in] GpioPad GPIO pad
|
@param[out] SmiSts Smi status for given pad
|
The SmiSts is true if the status register is set for given Pad number
|
|
@retval EFI_SUCCESS The function completed successfully
|
@retval EFI_INVALID_PARAMETER Invalid GpioPad
|
**/
|
EFI_STATUS
|
GpioGetGpiSmiSts (
|
IN GPIO_PAD GpioPad,
|
OUT BOOLEAN *SmiSts
|
);
|
|
/**
|
Generates GPIO name from GpioPad
|
|
@param[in] GpioPad GpioPad
|
@param[out] GpioNameBuffer Caller allocated buffer for GPIO name of GPIO_NAME_LENGTH_MAX size
|
@param[in] GpioNameBufferSize Size of the buffer
|
|
@retval CHAR8* Pointer to the GPIO name
|
**/
|
CHAR8*
|
GpioGetPadName (
|
IN GPIO_PAD GpioPad,
|
OUT CHAR8* GpioNameBuffer,
|
IN UINT32 GpioNameBufferSize
|
);
|
|
/**
|
Generates GPIO group name from GroupIndex
|
|
@param[in] GroupIndex Gpio GroupIndex
|
|
@retval CHAR8* Pointer to the GPIO group name
|
**/
|
CONST
|
CHAR8*
|
GpioGetGroupName (
|
IN UINT32 GroupIndex
|
);
|
|
#endif // _GPIO_LIB_H_
|
