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/*
* Copyright (C) 2014 Andrew Duggan
* Copyright (C) 2014 Synaptics Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _RMI4UPDATE_H_
#define _RMI4UPDATE_H_
#include "rmidevice.h"
#include "firmware_image.h"
#define RMI_BOOTLOADER_ID_SIZE 2
class RMI4Update
{
public:
RMI4Update(RMIDevice & device, FirmwareImage & firmwareImage) : m_device(device),
m_firmwareImage(firmwareImage), m_writeBlockWithCmd(true)
{}
int UpdateFirmware(bool force = false, bool performLockdown = false);
private:
int DisableNonessentialInterupts();
int FindUpdateFunctions();
int ReadF34Queries();
int ReadF34Controls();
int WriteBootloaderID();
int EnterFlashProgramming();
int WriteBlocks(unsigned char *block, unsigned short count, unsigned char cmd);
int WaitForIdle(int timeout_ms, bool readF34OnSucess = true);
int GetFirmwareSize() { return m_blockSize * m_fwBlockCount; }
int GetConfigSize() { return m_blockSize * m_configBlockCount; }
private:
RMIDevice & m_device;
FirmwareImage & m_firmwareImage;
RMIFunction m_f01;
RMIFunction m_f34;
unsigned char m_deviceStatus;
unsigned char m_bootloaderID[RMI_BOOTLOADER_ID_SIZE];
bool m_writeBlockWithCmd;
/* F34 Controls */
unsigned char m_f34Command;
unsigned char m_f34Status;
bool m_programEnabled;
/* F34 Query */
bool m_hasNewRegmap;
bool m_unlocked;
bool m_hasConfigID;
unsigned short m_blockSize;
unsigned short m_fwBlockCount;
unsigned short m_configBlockCount;
unsigned short m_f34StatusAddr;
};
#endif // _RMI4UPDATE_H_