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