mirror of https://github.com/acidanthera/audk.git
273 lines
7.3 KiB
C
273 lines
7.3 KiB
C
/** @file
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PlatformHelperLib function prototype definitions.
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Copyright (c) 2013 - 2016 Intel Corporation.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __PLATFORM_HELPER_LIB_H__
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#define __PLATFORM_HELPER_LIB_H__
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#include "Platform.h"
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//
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// Function prototypes for routines exported by this library.
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//
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/**
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Find pointer to RAW data in Firmware volume file.
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@param FvNameGuid Firmware volume to search. If == NULL search all.
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@param FileNameGuid Firmware volume file to search for.
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@param SectionData Pointer to RAW data section of found file.
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@param SectionDataSize Pointer to UNITN to get size of RAW data.
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@retval EFI_SUCCESS Raw Data found.
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@retval EFI_INVALID_PARAMETER FileNameGuid == NULL.
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@retval EFI_NOT_FOUND Firmware volume file not found.
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@retval EFI_UNSUPPORTED Unsupported in current enviroment (PEI or DXE).
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**/
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EFI_STATUS
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EFIAPI
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PlatformFindFvFileRawDataSection (
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IN CONST EFI_GUID *FvNameGuid OPTIONAL,
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IN CONST EFI_GUID *FileNameGuid,
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OUT VOID **SectionData,
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OUT UINTN *SectionDataSize
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);
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/**
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Find free spi protect register and write to it to protect a flash region.
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@param DirectValue Value to directly write to register.
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if DirectValue == 0 the use Base & Length below.
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@param BaseAddress Base address of region in Flash Memory Map.
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@param Length Length of region to protect.
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@retval EFI_SUCCESS Free spi protect register found & written.
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@retval EFI_NOT_FOUND Free Spi protect register not found.
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@retval EFI_DEVICE_ERROR Unable to write to spi protect register.
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**/
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EFI_STATUS
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EFIAPI
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PlatformWriteFirstFreeSpiProtect (
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IN CONST UINT32 DirectValue,
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IN CONST UINT32 BaseAddress,
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IN CONST UINT32 Length
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);
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/**
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Lock legacy SPI static configuration information.
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Function will assert if unable to lock config.
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**/
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VOID
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EFIAPI
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PlatformFlashLockConfig (
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VOID
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);
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/**
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Lock regions and config of SPI flash given the policy for this platform.
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Function will assert if unable to lock regions or config.
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@param PreBootPolicy If TRUE do Pre Boot Flash Lock Policy.
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**/
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VOID
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EFIAPI
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PlatformFlashLockPolicy (
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IN CONST BOOLEAN PreBootPolicy
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);
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/** Check if System booted with recovery Boot Stage1 image.
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@retval TRUE If system booted with recovery Boot Stage1 image.
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@retval FALSE If system booted with normal stage1 image.
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**/
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BOOLEAN
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EFIAPI
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PlatformIsBootWithRecoveryStage1 (
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VOID
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);
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/**
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Clear SPI Protect registers.
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@retval EFI_SUCESS SPI protect registers cleared.
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@retval EFI_ACCESS_DENIED Unable to clear SPI protect registers.
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**/
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EFI_STATUS
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EFIAPI
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PlatformClearSpiProtect (
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VOID
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);
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/**
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Determine if an SPI address range is protected.
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@param SpiBaseAddress Base of SPI range.
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@param Length Length of SPI range.
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@retval TRUE Range is protected.
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@retval FALSE Range is not protected.
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**/
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BOOLEAN
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EFIAPI
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PlatformIsSpiRangeProtected (
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IN CONST UINT32 SpiBaseAddress,
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IN CONST UINT32 Length
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);
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/**
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Set Legacy GPIO Level
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@param LevelRegOffset GPIO level register Offset from GPIO Base Address.
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@param GpioNum GPIO bit to change.
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@param HighLevel If TRUE set GPIO High else Set GPIO low.
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**/
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VOID
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EFIAPI
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PlatformLegacyGpioSetLevel (
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IN CONST UINT32 LevelRegOffset,
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IN CONST UINT32 GpioNum,
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IN CONST BOOLEAN HighLevel
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);
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/**
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Get Legacy GPIO Level
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@param LevelRegOffset GPIO level register Offset from GPIO Base Address.
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@param GpioNum GPIO bit to check.
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@retval TRUE If bit is SET.
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@retval FALSE If bit is CLEAR.
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**/
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BOOLEAN
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EFIAPI
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PlatformLegacyGpioGetLevel (
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IN CONST UINT32 LevelRegOffset,
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IN CONST UINT32 GpioNum
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);
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/**
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Set the direction of Pcal9555 IO Expander GPIO pin.
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@param Pcal9555SlaveAddr I2c Slave address of Pcal9555 Io Expander.
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@param GpioNum Gpio direction to configure - values 0-7 for Port0
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and 8-15 for Port1.
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@param CfgAsInput If TRUE set pin direction as input else set as output.
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**/
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VOID
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EFIAPI
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PlatformPcal9555GpioSetDir (
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IN CONST UINT32 Pcal9555SlaveAddr,
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IN CONST UINT32 GpioNum,
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IN CONST BOOLEAN CfgAsInput
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);
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/**
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Set the level of Pcal9555 IO Expander GPIO high or low.
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@param Pcal9555SlaveAddr I2c Slave address of Pcal9555 Io Expander.
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@param GpioNum Gpio to change values 0-7 for Port0 and 8-15
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for Port1.
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@param HighLevel If TRUE set pin high else set pin low.
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**/
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VOID
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EFIAPI
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PlatformPcal9555GpioSetLevel (
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IN CONST UINT32 Pcal9555SlaveAddr,
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IN CONST UINT32 GpioNum,
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IN CONST BOOLEAN HighLevel
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);
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/**
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Enable pull-up/pull-down resistors of Pcal9555 GPIOs.
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@param Pcal9555SlaveAddr I2c Slave address of Pcal9555 Io Expander.
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@param GpioNum Gpio to change values 0-7 for Port0 and 8-15
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for Port1.
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**/
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VOID
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EFIAPI
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PlatformPcal9555GpioEnablePull (
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IN CONST UINT32 Pcal9555SlaveAddr,
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IN CONST UINT32 GpioNum
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);
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/**
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Disable pull-up/pull-down resistors of Pcal9555 GPIOs.
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@param Pcal9555SlaveAddr I2c Slave address of Pcal9555 Io Expander.
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@param GpioNum Gpio to change values 0-7 for Port0 and 8-15
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for Port1.
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**/
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VOID
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EFIAPI
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PlatformPcal9555GpioDisablePull (
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IN CONST UINT32 Pcal9555SlaveAddr,
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IN CONST UINT32 GpioNum
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);
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BOOLEAN
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EFIAPI
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PlatformPcal9555GpioGetState (
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IN CONST UINT32 Pcal9555SlaveAddr,
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IN CONST UINT32 GpioNum
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);
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/**
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Init platform LEDs into known state.
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@param PlatformType Executing platform type.
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@retval EFI_SUCCESS Operation success.
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**/
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EFI_STATUS
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EFIAPI
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PlatformLedInit (
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IN CONST EFI_PLATFORM_TYPE Type
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);
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/**
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Turn on or off platform flash update LED.
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@param PlatformType Executing platform type.
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@param TurnOn If TRUE turn on else turn off.
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@retval EFI_SUCCESS Operation success.
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**/
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EFI_STATUS
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EFIAPI
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PlatformFlashUpdateLed (
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IN CONST EFI_PLATFORM_TYPE Type,
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IN CONST BOOLEAN TurnOn
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);
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#endif // #ifndef __PLATFORM_HELPER_LIB_H__
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