1 /* 2 * Copyright (C) 2014 Andrew Duggan 3 * Copyright (C) 2014 Synaptics Inc 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 #ifndef _RMI4UPDATE_H_ 19 #define _RMI4UPDATE_H_ 20 21 #include "rmidevice.h" 22 #include "firmware_image.h" 23 24 #define RMI_BOOTLOADER_ID_SIZE 2 25 26 class RMI4Update 27 { 28 public: RMI4Update(RMIDevice & device,FirmwareImage & firmwareImage)29 RMI4Update(RMIDevice & device, FirmwareImage & firmwareImage) : m_device(device), 30 m_firmwareImage(firmwareImage), m_writeBlockWithCmd(true) 31 {} 32 int UpdateFirmware(bool force = false, bool performLockdown = false); 33 34 private: 35 int DisableNonessentialInterupts(); 36 int FindUpdateFunctions(); 37 int ReadF34Queries(); 38 int ReadF34Controls(); 39 int WriteBootloaderID(); 40 int EnterFlashProgramming(); 41 int WriteBlocks(unsigned char *block, unsigned short count, unsigned char cmd); 42 int WaitForIdle(int timeout_ms, bool readF34OnSucess = true); GetFirmwareSize()43 int GetFirmwareSize() { return m_blockSize * m_fwBlockCount; } GetConfigSize()44 int GetConfigSize() { return m_blockSize * m_configBlockCount; } 45 46 private: 47 RMIDevice & m_device; 48 FirmwareImage & m_firmwareImage; 49 50 RMIFunction m_f01; 51 RMIFunction m_f34; 52 53 unsigned char m_deviceStatus; 54 unsigned char m_bootloaderID[RMI_BOOTLOADER_ID_SIZE]; 55 bool m_writeBlockWithCmd; 56 57 /* F34 Controls */ 58 unsigned char m_f34Command; 59 unsigned char m_f34Status; 60 bool m_programEnabled; 61 62 /* F34 Query */ 63 bool m_hasNewRegmap; 64 bool m_unlocked; 65 bool m_hasConfigID; 66 unsigned short m_blockSize; 67 unsigned short m_fwBlockCount; 68 unsigned short m_configBlockCount; 69 70 unsigned short m_f34StatusAddr; 71 }; 72 73 #endif // _RMI4UPDATE_H_ 74