i2c-vr/isl69269/isl69269.hpp

#pragma once

#include "common/include/i2c/i2c.hpp"
#include "i2c-vr/vr.hpp"

#include <sdbusplus/async.hpp>

#include <cstdint>

namespace phosphor::software::VR
{

class ISL69269 : public VoltageRegulator
{
  public:
    enum class Gen
    {
        Gen2,
        Gen3,
        Gen3p5
    };

    ISL69269(sdbusplus::async::context& ctx, uint16_t bus, uint16_t address,
             Gen gen = Gen::Gen3);

    sdbusplus::async::task<bool> verifyImage(const uint8_t* image,
                                             size_t imageSize) final;

    sdbusplus::async::task<bool> updateFirmware(bool force) final;
    sdbusplus::async::task<bool> getCRC(uint32_t* checksum) final;

    bool forcedUpdateAllowed() final;

  private:
    struct Data
    {
        uint8_t len;
        uint8_t pec;
        uint8_t addr;
        uint8_t cmd;
        uint8_t data[30];
    };

    struct Configuration
    {
        uint8_t addr;
        uint8_t mode;
        uint8_t cfgId;
        uint16_t wrCnt;
        uint32_t devIdExp;
        uint32_t devRevExp;
        uint32_t crcExp;
        struct Data pData[1024];
    };
    sdbusplus::async::task<bool> dmaReadWrite(uint8_t* reg, uint8_t* resp);
    sdbusplus::async::task<bool> getRemainingWrites(uint8_t* remain);
    sdbusplus::async::task<bool> getHexMode(uint8_t* mode);
    sdbusplus::async::task<bool> getDeviceId(uint32_t* deviceId);
    sdbusplus::async::task<bool> getDeviceRevision(uint32_t* revision);
    sdbusplus::async::task<bool> program();
    sdbusplus::async::task<bool> getProgStatus();
    sdbusplus::async::task<bool> restoreCfg();

    bool parseImage(const uint8_t* image, size_t imageSize);
    bool checkImage();

    phosphor::i2c::I2C i2cInterface;
    Gen generation;
    uint8_t mode;

    struct Configuration configuration;
};
} // namespace phosphor::software::VR