//---------------------------------------------------------------------------
//
//	SCSI Target Emulator PiSCSI
//	for Raspberry Pi
//
//  Copyright (C) 2022 akuker
//
//	[ Hardware version detection routines ]
//
//---------------------------------------------------------------------------

#pragma once

#include <cstdint>
#include <map>
#include <string>

using namespace std;

//===========================================================================
//
//	Single Board Computer Versions
//
//===========================================================================
class SBC_Version
{
public:
  // Type of Single Board Computer
  enum class sbc_version_type : uint8_t
  {
    sbc_unknown = 0,
    sbc_raspberry_pi_1,
    sbc_raspberry_pi_2_3,
    sbc_raspberry_pi_4,
    sbc_raspberry_pi_5
  };

  SBC_Version() = delete;
  ~SBC_Version() = delete;

  static void Init();

  static sbc_version_type GetSbcVersion();

  static bool IsRaspberryPi();

  static string GetAsString();

  static uint32_t GetPeripheralAddress();

private:
  static sbc_version_type sbc_version;

  static const string str_raspberry_pi_1;
  static const string str_raspberry_pi_2_3;
  static const string str_raspberry_pi_4;
  static const string str_raspberry_pi_5;
  static const string str_unknown_sbc;

  static const map<std::string, sbc_version_type, less<>> proc_device_tree_mapping;

  static const string m_device_tree_model_path;

  static uint32_t GetDeviceTreeRanges(const char *filename, uint32_t offset);
};