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| /** @file
| *
| * Copyright (c) 2015, Hisilicon Limited. All rights reserved.
| * Copyright (c) 2015, Linaro Limited. All rights reserved.
| *
| * SPDX-License-Identifier: BSD-2-Clause-Patent
| *
| **/
|
|
| #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
|
|
