/** @file
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PEI I2C Master module
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _PEI_I2C_MASTER_LIB_H_
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#define _PEI_I2C_MASTER_LIB_H_
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#include <Ppi/I2cMaster.h>
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#include <Library/PchSerialIoLib.h>
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/*
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Installs I2cMaster PPIs for each I2c controller.
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@param[in] Controller - SerialIo controller number
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@retval EFI_INVALID_PARAMETER - wrong Controller number
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@retval EFI_ALREADY_STARTED - I2cMaster Ppi was already installed on given controller
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@retval EFI_SUCCESS - I2cMaster Ppi succesfully installed
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@retval any other return value - internal error of InstallPpi function
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*/
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EFI_STATUS
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InstallI2cMasterPpi (
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PCH_SERIAL_IO_CONTROLLER Controller
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);
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/*
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Finds I2cMasterPpi instance for a specified controller
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@param[in] Controller - SerialIo controller number
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@retval NULL - couldn't locate I2cMaster Ppi for given controller
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@retval not-NULL - pointer to I2cMaster Ppi
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*/
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EFI_PEI_I2C_MASTER_PPI*
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LocateI2cMasterPpi (
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PCH_SERIAL_IO_CONTROLLER Controller
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);
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#endif
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