-/** @file
-
- Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
-
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which 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.
-
-**/
-
-#include <Uefi.h>
-
-#include <TPS65950.h>
-
-#include <Library/BaseMemoryLib.h>
-#include <Library/DebugLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-
-#include <Protocol/EmbeddedExternalDevice.h>
-#include <Protocol/SmbusHc.h>
-
-EFI_SMBUS_HC_PROTOCOL *Smbus;
-
-EFI_STATUS
-Read (
- IN EMBEDDED_EXTERNAL_DEVICE *This,
- IN UINTN Register,
- IN UINTN Length,
- OUT VOID *Buffer
- )
-{
- EFI_STATUS Status;
- EFI_SMBUS_DEVICE_ADDRESS SlaveAddress;
- UINT8 DeviceRegister;
- UINTN DeviceRegisterLength = 1;
-
- SlaveAddress.SmbusDeviceAddress = EXTERNAL_DEVICE_REGISTER_TO_SLAVE_ADDRESS(Register);
- DeviceRegister = (UINT8)EXTERNAL_DEVICE_REGISTER_TO_REGISTER(Register);
-
- //Write DeviceRegister.
- Status = Smbus->Execute(Smbus, SlaveAddress, 0, EfiSmbusWriteBlock, FALSE, &DeviceRegisterLength, &DeviceRegister);
- if (EFI_ERROR(Status)) {
- return Status;
- }
-
- //Read Data
- Status = Smbus->Execute(Smbus, SlaveAddress, 0, EfiSmbusReadBlock, FALSE, &Length, Buffer);
- return Status;
-}
-
-EFI_STATUS
-Write (
- IN EMBEDDED_EXTERNAL_DEVICE *This,
- IN UINTN Register,
- IN UINTN Length,
- IN VOID *Buffer
- )
-{
- EFI_STATUS Status;
- EFI_SMBUS_DEVICE_ADDRESS SlaveAddress;
- UINT8 DeviceRegister;
- UINTN DeviceBufferLength = Length + 1;
- UINT8 *DeviceBuffer;
-
- SlaveAddress.SmbusDeviceAddress = EXTERNAL_DEVICE_REGISTER_TO_SLAVE_ADDRESS(Register);
- DeviceRegister = (UINT8)EXTERNAL_DEVICE_REGISTER_TO_REGISTER(Register);
-
- //Prepare buffer for writing
- DeviceBuffer = (UINT8 *)AllocatePool(DeviceBufferLength);
- if (DeviceBuffer == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto exit;
- }
-
- //Set Device register followed by data to write.
- DeviceBuffer[0] = DeviceRegister;
- CopyMem(&DeviceBuffer[1], Buffer, Length);
-
- //Write Data
- Status = Smbus->Execute(Smbus, SlaveAddress, 0, EfiSmbusWriteBlock, FALSE, &DeviceBufferLength, DeviceBuffer);
- if (EFI_ERROR(Status)) {
- goto exit;
- }
-
-exit:
- if (DeviceBuffer) {
- FreePool(DeviceBuffer);
- }
-
- return Status;
-}
-
-EMBEDDED_EXTERNAL_DEVICE ExternalDevice = {
- Read,
- Write
-};
-
-EFI_STATUS
-TPS65950Initialize (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
-
- Status = gBS->LocateProtocol(&gEfiSmbusHcProtocolGuid, NULL, (VOID **)&Smbus);
- ASSERT_EFI_ERROR(Status);
-
- Status = gBS->InstallMultipleProtocolInterfaces(&ImageHandle, &gEmbeddedExternalDeviceProtocolGuid, &ExternalDevice, NULL);
- return Status;
-}
+/** @file\r
+\r
+ Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
+ \r
+ This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include <Uefi.h>\r
+\r
+#include <TPS65950.h>\r
+\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+\r
+#include <Protocol/EmbeddedExternalDevice.h>\r
+#include <Protocol/SmbusHc.h>\r
+\r
+EFI_SMBUS_HC_PROTOCOL *Smbus;\r
+\r
+EFI_STATUS\r
+Read (\r
+ IN EMBEDDED_EXTERNAL_DEVICE *This,\r
+ IN UINTN Register,\r
+ IN UINTN Length,\r
+ OUT VOID *Buffer\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_SMBUS_DEVICE_ADDRESS SlaveAddress; \r
+ UINT8 DeviceRegister;\r
+ UINTN DeviceRegisterLength = 1;\r
+\r
+ SlaveAddress.SmbusDeviceAddress = EXTERNAL_DEVICE_REGISTER_TO_SLAVE_ADDRESS(Register);\r
+ DeviceRegister = (UINT8)EXTERNAL_DEVICE_REGISTER_TO_REGISTER(Register);\r
+\r
+ //Write DeviceRegister.\r
+ Status = Smbus->Execute(Smbus, SlaveAddress, 0, EfiSmbusWriteBlock, FALSE, &DeviceRegisterLength, &DeviceRegister);\r
+ if (EFI_ERROR(Status)) {\r
+ return Status;\r
+ }\r
+\r
+ //Read Data\r
+ Status = Smbus->Execute(Smbus, SlaveAddress, 0, EfiSmbusReadBlock, FALSE, &Length, Buffer);\r
+ return Status;\r
+}\r
+\r
+EFI_STATUS\r
+Write (\r
+ IN EMBEDDED_EXTERNAL_DEVICE *This,\r
+ IN UINTN Register,\r
+ IN UINTN Length,\r
+ IN VOID *Buffer\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_SMBUS_DEVICE_ADDRESS SlaveAddress; \r
+ UINT8 DeviceRegister;\r
+ UINTN DeviceBufferLength = Length + 1;\r
+ UINT8 *DeviceBuffer;\r
+\r
+ SlaveAddress.SmbusDeviceAddress = EXTERNAL_DEVICE_REGISTER_TO_SLAVE_ADDRESS(Register);\r
+ DeviceRegister = (UINT8)EXTERNAL_DEVICE_REGISTER_TO_REGISTER(Register);\r
+\r
+ //Prepare buffer for writing\r
+ DeviceBuffer = (UINT8 *)AllocatePool(DeviceBufferLength);\r
+ if (DeviceBuffer == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto exit;\r
+ }\r
+\r
+ //Set Device register followed by data to write.\r
+ DeviceBuffer[0] = DeviceRegister;\r
+ CopyMem(&DeviceBuffer[1], Buffer, Length);\r
+\r
+ //Write Data\r
+ Status = Smbus->Execute(Smbus, SlaveAddress, 0, EfiSmbusWriteBlock, FALSE, &DeviceBufferLength, DeviceBuffer);\r
+ if (EFI_ERROR(Status)) {\r
+ goto exit;\r
+ }\r
+\r
+exit:\r
+ if (DeviceBuffer) {\r
+ FreePool(DeviceBuffer);\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+EMBEDDED_EXTERNAL_DEVICE ExternalDevice = {\r
+ Read,\r
+ Write\r
+};\r
+\r
+EFI_STATUS\r
+TPS65950Initialize (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ \r
+ Status = gBS->LocateProtocol(&gEfiSmbusHcProtocolGuid, NULL, (VOID **)&Smbus);\r
+ ASSERT_EFI_ERROR(Status);\r
+ \r
+ Status = gBS->InstallMultipleProtocolInterfaces(&ImageHandle, &gEmbeddedExternalDeviceProtocolGuid, &ExternalDevice, NULL);\r
+ return Status;\r
+}\r
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