Add support for ASUS TUF GAMING B450 PLUS II and fixes for some ITE

* Add informations for ASUS TUF GAMING B450 PLUS II + some fix * Improved and more correct IT8665 fixes

Author: sergiye

OpenHardwareMonitorLib/Hardware/Motherboard/Identification.cs

@@ -703,6 +703,8 @@ public static Model GetModel(string name)
  return Model.X670_AORUS_ELITE_AX;
  case var _ when name.Equals("PROART B760-CREATOR D4", StringComparison.OrdinalIgnoreCase):
  return Model.PROART_B760_CREATOR_D4;
+ case var _ when name.Equals("TUF GAMING B450-PLUS II", StringComparison.OrdinalIgnoreCase):
+ return Model.TUF_GAMING_B450_PLUS_II;
  case var _ when name.Equals("Base Board Product Name", StringComparison.OrdinalIgnoreCase):
  case var _ when name.Equals("To be filled by O.E.M.", StringComparison.OrdinalIgnoreCase):
  return Model.Unknown;

OpenHardwareMonitorLib/Hardware/Motherboard/Lpc/IT87XX.cs

@@ -19,6 +19,7 @@ internal class IT87XX : ISuperIO
  private readonly int _gpioCount;
  private readonly bool _has16BitFanCounter;
  private readonly bool _hasExtReg;
+ private readonly bool _hasAlt6thFanReg;
  private readonly bool[] _initialFanOutputModeEnabled = new bool[3]; // Initial Fan Controller Main Control Register value. 
  private readonly byte[] _initialFanPwmControl = new byte[MaxFanHeaders]; // This will also store the 2nd control register value.
  private readonly byte[] _initialFanPwmControlExt = new byte[MaxFanHeaders];
@@ -96,6 +97,8 @@ Chip.IT8631E or
  Chip.IT8638E or
  Chip.IT8696E;
 
+ _hasAlt6thFanReg = chip is Chip.IT8665E or Chip.IT8625E;
+
  switch (chip)
  {
  case Chip.IT8613E:
@@ -242,7 +245,16 @@ Chip.IT8638E or
  }
 
  if (Fans.Length >= 6)
- _fansDisabled[5] = (modes & (1 << 2)) == 0;
+ {
+ if (chip == Chip.IT8665E)
+ {
+ modes = ReadByte(FAN_TACHOMETER_16BIT_REGISTER_ALT, out valid);
+ if (valid)
+ _fansDisabled[5] = (modes & (1 << 3)) == 0;
+ }
+ else
+ _fansDisabled[5] = (modes & (1 << 2)) == 0;
+ }
  }
 
  // Set the number of GPIO sets
@@ -460,11 +472,11 @@ public void Update()
  if (_fansDisabled[i])
  continue;
 
- int value = ReadByte(FAN_TACHOMETER_REG[i], out bool valid);
+ int value = ReadByte(_hasAlt6thFanReg ? FAN_TACHOMETER_REG_ALT[i] : FAN_TACHOMETER_REG[i], out bool valid);
  if (!valid)
  continue;
 
- value |= ReadByte(FAN_TACHOMETER_EXT_REG[i], out valid) << 8;
+ value |= ReadByte(_hasAlt6thFanReg ? FAN_TACHOMETER_EXT_REG_ALT[i] : FAN_TACHOMETER_EXT_REG[i], out valid) << 8;
  if (!valid)
  continue;
 
@@ -598,6 +610,7 @@ private void RestoreDefaultFanPwmControl(int index)
  private const byte DATA_REGISTER_OFFSET = 0x06;
  private const byte BANK_REGISTER = 0x06; // bit 5-6 define selected bank
  private const byte FAN_TACHOMETER_16BIT_REGISTER = 0x0C;
+ private const byte FAN_TACHOMETER_16BIT_REGISTER_ALT = 0x0B;
  private const byte FAN_TACHOMETER_DIVISOR_REGISTER = 0x0B;
 
  private readonly byte[] ITE_VENDOR_IDS = { 0x90, 0x7F };
@@ -612,6 +625,8 @@ private void RestoreDefaultFanPwmControl(int index)
  private readonly byte[] FAN_PWM_CTRL_EXT_REG = { 0x63, 0x6b, 0x73, 0x7b, 0xa3, 0xab };
  private readonly byte[] FAN_TACHOMETER_EXT_REG = { 0x18, 0x19, 0x1a, 0x81, 0x83, 0x4d };
  private readonly byte[] FAN_TACHOMETER_REG = { 0x0d, 0x0e, 0x0f, 0x80, 0x82, 0x4c };
+ private readonly byte[] FAN_TACHOMETER_EXT_REG_ALT = { 0x18, 0x19, 0x1a, 0x81, 0x83, 0x94 };
+ private readonly byte[] FAN_TACHOMETER_REG_ALT = { 0x0d, 0x0e, 0x0f, 0x80, 0x82, 0x93 };
 
  // Address of the Fan Controller Main Control Register.
  // No need for the 2nd control register (bit 7 of 0x15 0x16 0x17),

OpenHardwareMonitorLib/Hardware/Motherboard/Model.cs

@@ -115,6 +115,7 @@ public enum Model
  ROG_STRIX_X870E_E_GAMING_WIFI,
  PROART_X870E_CREATOR_WIFI,
  PROART_B760_CREATOR_D4,
+ TUF_GAMING_B450_PLUS_II,
 
  //BIOSTAR
  B660GTN,

OpenHardwareMonitorLib/Hardware/Motherboard/SuperIOHardware.cs

@@ -1346,6 +1346,42 @@ private static void GetIteConfigurationsB(ISuperIO superIO, Manufacturer manufac
 
  break;
 
+ case Model.TUF_GAMING_B450_PLUS_II: // IT8665E
+ v.Add(new Voltage("Vcore", 0));
+ v.Add(new Voltage("Vccp2", 1));
+ v.Add(new Voltage("+12V", 2, 5, 1));
+ v.Add(new Voltage("+5V", 3, 1.5f, 1));
+ v.Add(new Voltage("Voltage #5", 4, true));
+ v.Add(new Voltage("Voltage #6", 5, true));
+ v.Add(new Voltage("Voltage #7", 6, true));
+ v.Add(new Voltage("3VSB", 7, 10, 10));
+ v.Add(new Voltage("VBat", 8, 10, 10));
+ //v.Add(new Voltage("AVCC3", 15, 10, 10));
+
+ t.Add(new Temperature("CPU", 0));
+ t.Add(new Temperature("Motherboard", 1));
+ t.Add(new Temperature("Temperature #3", 2));
+ t.Add(new Temperature("Temperature #4", 3));
+ t.Add(new Temperature("Temperature #5", 4));
+ t.Add(new Temperature("Temperature #6", 5));
+
+ f.Add(new Fan("CPU Fan", 0));
+ f.Add(new Fan("Chassis Fan #1", 1));
+ f.Add(new Fan("Chassis Fan #2", 2));
+ f.Add(new Fan("Chassis Fan #3", 3));
+ //f.Add(new Fan("Chassis Fan #4", 4)); //Useless. Not connected to anything.
+ f.Add(new Fan("AIO Pump", 5));
+
+ c.Add(new Control("CPU Fan Control", 0));
+ c.Add(new Control("Chassis Fan #1 Control", 1));
+ c.Add(new Control("Chassis Fan #2 Control", 2));
+ c.Add(new Control("Chassis Fan #3 Control", 3));
+ //c.Add(new Control("Chassis Fan #4 Control", 4)); //Useless. Not connected to anything.
+ c.Add(new Control("AIO Pump Control", 5));
+
+ break;
+
+
  default:
  v.Add(new Voltage("Vcore", 0));
  v.Add(new Voltage("Voltage #2", 1, true));