mk-rootfs.sh

hc

2024-03-26 e0728245c89800c2038c23308f2d88969d5b41c8

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/******************************************************************************** 
Copyright (c) 2021, Rockchip Limited. All rights reserved. 
 
SPDX-License-Identifier: BSD-2-Clause-Patent 
 
*******************************************************************************/ 
 
#ifndef __I2CDEMO_H__ 
#define __I2CDEMO_H__ 
 
#include <Uefi.h> 
 
#define I2CDEMO_SIGNATURE          SIGNATURE_32 ('I', '2', 'C', 'D') 
 
#define MAX_BUFFER_LENGTH 64 
 
#define I2C_GUID \ 
  { \ 
  0xadc1901b, 0xb83c, 0x4831, { 0x8f, 0x59, 0x70, 0x89, 0x8f, 0x26, 0x57, 0x1e } \ 
  } 
 
typedef struct { 
  UINT32  Signature; 
  EFI_HANDLE ControllerHandle; 
  EFI_I2C_IO_PROTOCOL *I2cIo; 
  ROCKCHIP_I2CDEMO_PROTOCOL I2cDemoProtocol; 
} I2CDEMO_CONTEXT; 
 
#define I2CDEMO_SC_FROM_IO(a) CR (a, I2CDEMO_CONTEXT, I2cIo, I2CDEMO_SIGNATURE) 
#define I2CDEMO_SC_FROM_I2CDEMO(a) CR (a, I2CDEMO_CONTEXT, I2cDemoProtocol, I2CDEMO_SIGNATURE) 
 
EFI_STATUS 
EFIAPI 
I2cDemoSupported ( 
  IN EFI_DRIVER_BINDING_PROTOCOL *This, 
  IN EFI_HANDLE ControllerHandle, 
  IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL 
  ); 
 
EFI_STATUS 
EFIAPI 
I2cDemoStart ( 
  IN EFI_DRIVER_BINDING_PROTOCOL *This, 
  IN EFI_HANDLE ControllerHandle, 
  IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL 
  ); 
 
EFI_STATUS 
EFIAPI 
I2cDemoStop ( 
  IN EFI_DRIVER_BINDING_PROTOCOL *This, 
  IN  EFI_HANDLE ControllerHandle, 
  IN  UINTN NumberOfChildren, 
  IN  EFI_HANDLE *ChildHandleBuffer OPTIONAL 
  ); 
 
EFI_STATUS 
EFIAPI 
I2cDemoRead ( 
  IN CONST ROCKCHIP_I2CDEMO_PROTOCOL *This, 
  IN UINT8 *RegAddress, 
  IN UINT16 RegAddressLength, 
  IN UINT8 *Buffer, 
  IN UINT16 Length 
  ); 
 
EFI_STATUS 
EFIAPI 
I2cDemoWrite ( 
  IN CONST ROCKCHIP_I2CDEMO_PROTOCOL *This, 
  IN UINT8 *RegAddress, 
  IN UINT16 RegAddressLength, 
  IN UINT8 *Buffer, 
  IN UINT16 Length 
  ); 
#endif // __I2CDEMO_H__