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/** @file
*
* Copyright (c) 2015, Hisilicon Limited. All rights reserved.
* Copyright (c) 2015, Linaro Limited. All rights reserved.
*
* 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.
*
**/
#ifndef _I2C_LIB_H_
#define _I2C_LIB_H_
//I2C0 or I2C1
typedef enum {
DEVICE_TYPE_SPD = 0,
DEVICE_TYPE_E2PROM,
DEVICE_TYPE_CPLD_3BYTE_OPERANDS,
DEVICE_TYPE_CPLD_4BYTE_OPERANDS
}I2C_DEVICE_TYPE;
typedef enum {
Normal = 0,
Fast,
SPEED_MODE_MAX
}SPEED_MODE;
#define I2C_PORT_MAX 10
typedef struct {
UINT32 Socket;
UINT32 Port;
I2C_DEVICE_TYPE DeviceType;
UINT32 SlaveDeviceAddress;
}I2C_DEVICE;
UINTN
EFIAPI
I2CInit(UINT32 Socket, UINT32 Port, SPEED_MODE SpeedMode);
EFI_STATUS
EFIAPI
I2CWrite(I2C_DEVICE *I2cInfo, UINT16 InfoOffset, UINT32 ulLength, UINT8 *pBuf);
EFI_STATUS
EFIAPI
I2CRead(I2C_DEVICE *I2cInfo, UINT16 InfoOffset,UINT32 ulRxLen,UINT8 *pBuf);
EFI_STATUS
EFIAPI
I2CWriteMultiByte(I2C_DEVICE *I2cInfo, UINT32 InfoOffset, UINT32 ulLength, UINT8 *pBuf);
EFI_STATUS
EFIAPI
I2CReadMultiByte(I2C_DEVICE *I2cInfo, UINT32 InfoOffset,UINT32 ulRxLen,UINT8 *pBuf);
EFI_STATUS
EFIAPI
I2CSdaConfig(UINT32 Socket, UINT32 Port);
#endif
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