mirror of https://github.com/acidanthera/audk.git
Add I2C bus DXE driver and I2C host DXE driver following PI 1.3 spec.
Signed-off-by: Elvin Li <elvin.li@intel.com> Reviewed-by: Leahy Leroy P <leroy.p.leahy@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14549 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Elvin Li
li-elvin
parent
4006b0b550
commit
43e543bcaa
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## @file
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# This driver enumerates I2C devices on I2C bus and produce I2C
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# IO Protocol on I2C devices.
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#
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# Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
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#
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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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#
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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = I2cBusDxe
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FILE_GUID = 0C34B372-2622-4A13-A46E-BFD0DEB48BFF
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MODULE_TYPE = UEFI_DRIVER
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VERSION_STRING = 1.0
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ENTRY_POINT = InitializeI2cBus
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UNLOAD_IMAGE = I2cBusUnload
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#
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# The following information is for reference only and not required by the build tools.
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#
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# VALID_ARCHITECTURES = IA32 X64 IPF EBC
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#
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[Sources.common]
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I2cDxe.h
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I2cBus.c
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[LibraryClasses]
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BaseMemoryLib
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DebugLib
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DevicePathLib
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MemoryAllocationLib
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UefiBootServicesTableLib
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UefiDriverEntryPoint
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UefiLib
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[Packages]
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MdePkg/MdePkg.dec
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[Protocols]
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gEfiI2cIoProtocolGuid ## BY_START
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gEfiI2cHostProtocolGuid ## BY_START
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gEfiI2cMasterProtocolGuid ## TO_START
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gEfiI2cEnumerateProtocolGuid ## TO_START
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gEfiI2cBusConfigurationManagementProtocolGuid ## TO_START
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gEfiI2cHostProtocolGuid ## TO_START
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/** @file
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This file implements the entrypoint and unload function for I2C DXE module.
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Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
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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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#include "I2cDxe.h"
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/**
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The user Entry Point for I2C module. The user code starts with this function.
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@param[in] ImageHandle The firmware allocated handle for the EFI image.
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@param[in] SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The entry point is executed successfully.
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@retval other Some error occurs when executing this entry point.
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**/
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EFI_STATUS
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EFIAPI
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InitializeI2c(
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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//
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// Install driver model protocol(s).
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//
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Status = InitializeI2cHost ( ImageHandle, SystemTable );
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if ( !EFI_ERROR ( Status ))
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{
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Status = InitializeI2cBus ( ImageHandle, SystemTable );
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}
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return Status;
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}
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/**
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This is the unload handle for I2C module.
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Disconnect the driver specified by ImageHandle from all the devices in the handle database.
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Uninstall all the protocols installed in the driver entry point.
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@param[in] ImageHandle The drivers' driver image.
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@retval EFI_SUCCESS The image is unloaded.
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@retval Others Failed to unload the image.
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**/
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EFI_STATUS
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EFIAPI
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I2cUnload (
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IN EFI_HANDLE ImageHandle
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)
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{
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EFI_STATUS Status;
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//
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// Disconnect the drivers
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//
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Status = I2cBusUnload ( ImageHandle );
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if ( !EFI_ERROR ( Status )) {
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Status = I2cHostUnload ( ImageHandle );
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}
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return Status;
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}
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## @file
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# This driver produce I2C Host Protocol on I2C controller handle, enumerate I2C
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# devices on I2C bus and produce I2C IO Protocol on I2C devices.
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#
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# Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
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#
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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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#
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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = I2cDxe
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FILE_GUID = ECA2AE9E-7594-4901-871C-449DA1A11660
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MODULE_TYPE = UEFI_DRIVER
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VERSION_STRING = 1.0
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ENTRY_POINT = InitializeI2c
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UNLOAD_IMAGE = I2cUnload
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#
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# The following information is for reference only and not required by the build tools.
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#
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# VALID_ARCHITECTURES = IA32 X64 IPF EBC
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#
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[Sources.common]
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I2cDxe.c
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I2cDxe.h
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I2cHost.c
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I2cBus.c
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[LibraryClasses]
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BaseMemoryLib
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DebugLib
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DevicePathLib
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MemoryAllocationLib
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UefiBootServicesTableLib
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UefiDriverEntryPoint
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UefiLib
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[Packages]
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MdePkg/MdePkg.dec
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[Protocols]
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gEfiI2cIoProtocolGuid ## BY_START
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gEfiI2cHostProtocolGuid ## BY_START
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gEfiI2cMasterProtocolGuid ## TO_START
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gEfiI2cEnumerateProtocolGuid ## TO_START
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gEfiI2cBusConfigurationManagementProtocolGuid ## TO_START
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gEfiI2cHostProtocolGuid ## TO_START
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File diff suppressed because it is too large
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## @file
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# This driver produce I2C Host Protocol on I2C controller handle.
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#
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# Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
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#
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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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#
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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = I2cHostDxe
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FILE_GUID = CDEC3671-816E-43DC-A002-DCD645229338
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MODULE_TYPE = UEFI_DRIVER
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VERSION_STRING = 1.0
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ENTRY_POINT = InitializeI2cHost
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UNLOAD_IMAGE = I2cHostUnload
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#
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# The following information is for reference only and not required by the build tools.
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#
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# VALID_ARCHITECTURES = IA32 X64 IPF EBC
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#
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[Sources.common]
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I2cDxe.h
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I2cHost.c
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[LibraryClasses]
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BaseMemoryLib
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DebugLib
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DevicePathLib
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MemoryAllocationLib
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UefiBootServicesTableLib
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UefiDriverEntryPoint
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UefiLib
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[Packages]
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MdePkg/MdePkg.dec
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[Protocols]
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gEfiI2cIoProtocolGuid ## BY_START
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gEfiI2cHostProtocolGuid ## BY_START
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gEfiI2cMasterProtocolGuid ## TO_START
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gEfiI2cEnumerateProtocolGuid ## TO_START
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gEfiI2cBusConfigurationManagementProtocolGuid ## TO_START
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gEfiI2cHostProtocolGuid ## TO_START
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@ -214,6 +214,9 @@
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MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassStorageDxe.inf
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MdeModulePkg/Bus/Usb/UsbMouseAbsolutePointerDxe/UsbMouseAbsolutePointerDxe.inf
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MdeModulePkg/Bus/Usb/UsbMouseDxe/UsbMouseDxe.inf
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MdeModulePkg/Bus/I2c/I2cDxe/I2cBusDxe.inf
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MdeModulePkg/Bus/I2c/I2cDxe/I2cHostDxe.inf
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MdeModulePkg/Bus/I2c/I2cDxe/I2cDxe.inf
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MdeModulePkg/Core/Dxe/DxeMain.inf {
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<LibraryClasses>
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