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// ported from: https://gitlab.com/leogx9r/ryzen_smu
// and: https://github.com/irusanov/SMUDebugTool
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
// ReSharper disable InconsistentNaming
namespace LibreHardwareMonitor.Hardware;
internal class RyzenSMU
{
private const byte SMU_PCI_ADDR_REG = 0xC4;
private const byte SMU_PCI_DATA_REG = 0xC8;
private const uint SMU_REQ_MAX_ARGS = 6;
private const uint SMU_RETRIES_MAX = 8096;
private readonly CpuCodeName _cpuCodeName;
private readonly bool _supportedCPU;
private readonly Dictionary<uint, Dictionary<uint, SmuSensorType>> _supportedPmTableVersions = new()
{
{
// Zen Raven Ridge APU.
0x001E0004, new Dictionary<uint, SmuSensorType>
{
{ 7, new SmuSensorType { Name = "TDC", Type = SensorType.Current, Scale = 1 } },
{ 11, new SmuSensorType { Name = "EDC", Type = SensorType.Current, Scale = 1 } },
//{ 61, new SmuSensorType { Name = "Core", Type = SensorType.Voltage } },
//{ 62, new SmuSensorType { Name = "Core", Type = SensorType.Current, Scale = 1} },
//{ 63, new SmuSensorType { Name = "Core", Type = SensorType.Power, Scale = 1 } },
//{ 65, new SmuSensorType { Name = "SoC", Type = SensorType.Voltage } },
{ 66, new SmuSensorType { Name = "SoC", Type = SensorType.Current, Scale = 1 } },
{ 67, new SmuSensorType { Name = "SoC", Type = SensorType.Power, Scale = 1 } },
//{ 96, new SmuSensorType { Name = "Core #1", Type = SensorType.Power } },
//{ 97, new SmuSensorType { Name = "Core #2", Type = SensorType.Power } },
//{ 98, new SmuSensorType { Name = "Core #3", Type = SensorType.Power } },
//{ 99, new SmuSensorType { Name = "Core #4", Type = SensorType.Power } },
{ 108, new SmuSensorType { Name = "Core #1", Type = SensorType.Temperature, Scale = 1 } },
{ 109, new SmuSensorType { Name = "Core #2", Type = SensorType.Temperature, Scale = 1 } },
{ 110, new SmuSensorType { Name = "Core #3", Type = SensorType.Temperature, Scale = 1 } },
{ 111, new SmuSensorType { Name = "Core #4", Type = SensorType.Temperature, Scale = 1 } },
{ 150, new SmuSensorType { Name = "GFX", Type = SensorType.Voltage, Scale = 1 } },
{ 151, new SmuSensorType { Name = "GFX", Type = SensorType.Temperature, Scale = 1 } },
{ 154, new SmuSensorType { Name = "GFX", Type = SensorType.Clock, Scale = 1 } },
{ 156, new SmuSensorType { Name = "GFX", Type = SensorType.Load, Scale = 1 } },
{ 166, new SmuSensorType { Name = "Fabric", Type = SensorType.Clock, Scale = 1 } },
{ 177, new SmuSensorType { Name = "Uncore", Type = SensorType.Clock, Scale = 1 } },
{ 178, new SmuSensorType { Name = "Memory", Type = SensorType.Clock, Scale = 1 } },
{ 342, new SmuSensorType { Name = "Displays", Type = SensorType.Factor, Scale = 1 } }
}
},
{
// Zen 2.
0x00240903, new Dictionary<uint, SmuSensorType>
{
{ 15, new SmuSensorType { Name = "TDC", Type = SensorType.Current, Scale = 1 } },
{ 21, new SmuSensorType { Name = "EDC", Type = SensorType.Current, Scale = 1 } },
{ 48, new SmuSensorType { Name = "Fabric", Type = SensorType.Clock, Scale = 1 } },
{ 50, new SmuSensorType { Name = "Uncore", Type = SensorType.Clock, Scale = 1 } },
{ 51, new SmuSensorType { Name = "Memory", Type = SensorType.Clock, Scale = 1 } },
{ 115, new SmuSensorType { Name = "SoC", Type = SensorType.Temperature, Scale = 1 } }
//{ 66, new SmuSensorType { Name = "Bus Speed", Type = SensorType.Clock, Scale = 1 } },
//{ 188, new SmuSensorType { Name = "Core #1", Type = SensorType.Clock, Scale = 1000 } },
//{ 189, new SmuSensorType { Name = "Core #2", Type = SensorType.Clock, Scale = 1000 } },
//{ 190, new SmuSensorType { Name = "Core #3", Type = SensorType.Clock, Scale = 1000 } },
//{ 191, new SmuSensorType { Name = "Core #4", Type = SensorType.Clock, Scale = 1000 } },
//{ 192, new SmuSensorType { Name = "Core #5", Type = SensorType.Clock, Scale = 1000 } },
//{ 193, new SmuSensorType { Name = "Core #6", Type = SensorType.Clock, Scale = 1000 } },
}
},
{
// Zen 3.
0x00380805, new Dictionary<uint, SmuSensorType>
{
{ 3, new SmuSensorType { Name = "TDC", Type = SensorType.Current, Scale = 1 } },
// TODO: requires some post-processing
// see: https://gitlab.com/leogx9r/ryzen_smu/-/blob/master/userspace/monitor_cpu.c#L577
// { 9, new SmuSensorType { Name = "EDC", Type = SensorType.Current, Scale = 1 } },
{ 48, new SmuSensorType { Name = "Fabric", Type = SensorType.Clock, Scale = 1 } },
{ 50, new SmuSensorType { Name = "Uncore", Type = SensorType.Clock, Scale = 1 } },
{ 51, new SmuSensorType { Name = "Memory", Type = SensorType.Clock, Scale = 1 } },
{ 127, new SmuSensorType { Name = "SoC", Type = SensorType.Temperature, Scale = 1 } },
{ 268, new SmuSensorType { Name = "Core #1 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 269, new SmuSensorType { Name = "Core #2 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 270, new SmuSensorType { Name = "Core #3 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 271, new SmuSensorType { Name = "Core #4 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 272, new SmuSensorType { Name = "Core #5 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 273, new SmuSensorType { Name = "Core #6 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 274, new SmuSensorType { Name = "Core #7 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 275, new SmuSensorType { Name = "Core #8 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 276, new SmuSensorType { Name = "Core #9 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 277, new SmuSensorType { Name = "Core #10 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 278, new SmuSensorType { Name = "Core #11 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 279, new SmuSensorType { Name = "Core #12 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 280, new SmuSensorType { Name = "Core #13 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 281, new SmuSensorType { Name = "Core #14 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 282, new SmuSensorType { Name = "Core #15 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
{ 283, new SmuSensorType { Name = "Core #16 (Effective)", Type = SensorType.Clock, Scale = 1000 } }
}
},
{
// Zen 4.
0x00540004, new Dictionary<uint, SmuSensorType>
{
{ 3, new SmuSensorType { Name = "CPU PPT", Type = SensorType.Power, Scale = 1 } },
{ 11, new SmuSensorType { Name = "Package", Type = SensorType.Temperature, Scale = 1 } },
{ 20, new SmuSensorType { Name = "Core Power", Type = SensorType.Power, Scale = 1 } },
{ 21, new SmuSensorType { Name = "SOC Power", Type = SensorType.Power, Scale = 1 } },
{ 22, new SmuSensorType { Name = "Misc Power", Type = SensorType.Power, Scale = 1 } },
{ 26, new SmuSensorType { Name = "Total Power", Type = SensorType.Power, Scale = 1 } },
{ 47, new SmuSensorType { Name = "VDDCR", Type = SensorType.Voltage, Scale = 1 } },
{ 48, new SmuSensorType { Name = "TDC", Type = SensorType.Current, Scale = 1 } },
{ 49, new SmuSensorType { Name = "EDC", Type = SensorType.Current, Scale = 1 } },
{ 52, new SmuSensorType { Name = "VDDCR SoC", Type = SensorType.Voltage, Scale = 1 } },
{ 57, new SmuSensorType { Name = "VDD Misc", Type = SensorType.Voltage, Scale = 1 } },
{ 70, new SmuSensorType { Name = "Fabric", Type = SensorType.Clock, Scale = 1 } },
{ 74, new SmuSensorType { Name = "Uncore", Type = SensorType.Clock, Scale = 1 } },
{ 78, new SmuSensorType { Name = "Memory", Type = SensorType.Clock, Scale = 1 } },
{ 211, new SmuSensorType { Name = "IOD Hotspot", Type = SensorType.Temperature, Scale = 1 } },
{ 539, new SmuSensorType { Name = "L3 (CCD1)", Type = SensorType.Temperature, Scale = 1 } },
{ 540, new SmuSensorType { Name = "L3 (CCD2)", Type = SensorType.Temperature, Scale = 1 } },
{ 268, new SmuSensorType { Name = "LDO VDD", Type = SensorType.Voltage, Scale = 1 } },
// This is not working, some cores can be deactivated with the core disabled map.
// When Core 2 is disabled and Core 3 is enabled, the name of Core 3 == "Core 2".
//{ 357, new SmuSensorType { Name = "Core #1 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 358, new SmuSensorType { Name = "Core #2 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 359, new SmuSensorType { Name = "Core #3 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 360, new SmuSensorType { Name = "Core #4 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 361, new SmuSensorType { Name = "Core #5 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 362, new SmuSensorType { Name = "Core #6 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 363, new SmuSensorType { Name = "Core #7 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 364, new SmuSensorType { Name = "Core #8 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 365, new SmuSensorType { Name = "Core #9 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 366, new SmuSensorType { Name = "Core #10 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 367, new SmuSensorType { Name = "Core #11 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 368, new SmuSensorType { Name = "Core #12 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 369, new SmuSensorType { Name = "Core #13 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 370, new SmuSensorType { Name = "Core #14 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 371, new SmuSensorType { Name = "Core #15 (Effective)", Type = SensorType.Clock, Scale = 1000 } },
//{ 372, new SmuSensorType { Name = "Core #16 (Effective)", Type = SensorType.Clock, Scale = 1000 } }
}
}
};
private uint _argsAddr;
private uint _cmdAddr;
private uint _dramAddrHi;
private uint _dramBaseAddr;
private uint _pmTableSize;
private uint _pmTableSizeAlt;
private uint _pmTableVersion;
private uint _rspAddr;
public RyzenSMU(uint family, uint model, uint packageType)
{
_cpuCodeName = GetCpuCodeName(family, model, packageType);
_supportedCPU = Environment.Is64BitOperatingSystem == Environment.Is64BitProcess && SetAddresses(_cpuCodeName);
if (_supportedCPU && InpOut.Open())
SetupPmTableAddrAndSize();
}
private static CpuCodeName GetCpuCodeName(uint family, uint model, uint packageType)
{
return family switch
{
0x17 => model switch
{
0x01 => packageType == 7 ? CpuCodeName.Threadripper : CpuCodeName.SummitRidge,
0x08 => packageType == 7 ? CpuCodeName.Colfax : CpuCodeName.PinnacleRidge,
0x11 => CpuCodeName.RavenRidge,
0x18 => packageType == 2 ? CpuCodeName.RavenRidge2 : CpuCodeName.Picasso,
0x20 => CpuCodeName.Dali,
0x31 => CpuCodeName.CastlePeak,
0x60 => CpuCodeName.Renoir,
0x71 => CpuCodeName.Matisse,
0x90 => CpuCodeName.Vangogh,
_ => CpuCodeName.Undefined
},
0x19 => model switch
{
0x00 => CpuCodeName.Milan,
0x20 or 0x21 => CpuCodeName.Vermeer,
0x40 => CpuCodeName.Rembrandt,
0x50 => CpuCodeName.Cezanne,
0x61 => CpuCodeName.Raphael,
_ => CpuCodeName.Undefined
},
0x1A => model switch
{
0x44 => CpuCodeName.GraniteRidge,
_ => CpuCodeName.Undefined
},
_ => CpuCodeName.Undefined
};
}
public string GetReport()
{
StringBuilder r = new();
r.AppendLine("Ryzen SMU");
r.AppendLine();
r.AppendLine($" PM table version: 0x{_pmTableVersion:X8}");
r.AppendLine($" PM table supported: {_supportedCPU}");
r.AppendLine($" PM table layout defined: {IsPmTableLayoutDefined()}");
if (_supportedCPU)
{
r.AppendLine($" PM table size: 0x{_pmTableSize:X3}");
r.AppendLine($" PM table start address: 0x{_dramBaseAddr:X8}");
r.AppendLine();
r.AppendLine(" PM table dump:");
r.AppendLine(" Idx Offset Value");
r.AppendLine(" ------------------------");
float[] pm_values = GetPmTable();
for (int i = 0; i < pm_values.Length; i++)
{
r.AppendLine($" {i,4} 0x{i * 4:X3} {pm_values[i]}");
}
}
return r.ToString();
}
private bool SetAddresses(CpuCodeName codeName)
{
switch (codeName)
{
case CpuCodeName.CastlePeak:
case CpuCodeName.Matisse:
case CpuCodeName.Vermeer:
case CpuCodeName.Raphael:
case CpuCodeName.GraniteRidge:
_cmdAddr = 0x3B10524;
_rspAddr = 0x3B10570;
_argsAddr = 0x3B10A40;
return true;
case CpuCodeName.Colfax:
case CpuCodeName.SummitRidge:
case CpuCodeName.Threadripper:
case CpuCodeName.PinnacleRidge:
_cmdAddr = 0x3B1051C;
_rspAddr = 0x3B10568;
_argsAddr = 0x3B10590;
return true;
case CpuCodeName.Renoir:
case CpuCodeName.Picasso:
case CpuCodeName.RavenRidge:
case CpuCodeName.RavenRidge2:
case CpuCodeName.Dali:
_cmdAddr = 0x3B10A20;
_rspAddr = 0x3B10A80;
_argsAddr = 0x3B10A88;
return true;
default:
return false;
}
}
public uint GetSmuVersion()
{
uint[] args = [1];
return SendCommand(0x02, ref args) ? args[0] : 0;
}
public Dictionary<uint, SmuSensorType> GetPmTableStructure()
{
if (!IsPmTableLayoutDefined())
return new Dictionary<uint, SmuSensorType>();
return _supportedPmTableVersions[_pmTableVersion];
}
public bool IsPmTableLayoutDefined()
{
return _supportedPmTableVersions.ContainsKey(_pmTableVersion);
}
public float[] GetPmTable()
{
if (!_supportedCPU || !TransferTableToDram())
return [0];
float[] table = ReadDramToArray();
// Fix for Zen+ empty values on first call.
if (table.Length == 0 || table[0] == 0)
{
Thread.Sleep(10);
TransferTableToDram();
table = ReadDramToArray();
}
return table;
}
private float[] ReadDramToArray()
{
float[] table = new float[_pmTableSize / 4];
IntPtr pMemory = Environment.Is64BitProcess ? new IntPtr(_dramBaseAddr | (long)_dramAddrHi << 32) : new IntPtr(_dramBaseAddr);
byte[] bytes = InpOut.ReadMemory(pMemory, _pmTableSize);
if (bytes != null)
Buffer.BlockCopy(bytes, 0, table, 0, bytes.Length);
return table;
}
private bool SetupPmTableAddrAndSize()
{
if (_pmTableSize == 0)
SetupPmTableSize();
if (_dramBaseAddr == 0)
SetupDramBaseAddr();
return _dramBaseAddr != 0 && _pmTableSize != 0;
}
private void SetupPmTableSize()
{
if (!GetPmTableVersion(ref _pmTableVersion))
return;
switch (_cpuCodeName)
{
case CpuCodeName.Matisse:
switch (_pmTableVersion)
{
case 0x240902:
_pmTableSize = 0x514;
break;
case 0x240903:
_pmTableSize = 0x518;
break;
case 0x240802:
_pmTableSize = 0x7E0;
break;
case 0x240803:
_pmTableSize = 0x7E4;
break;
default:
return;
}
break;
case CpuCodeName.Vermeer:
switch (_pmTableVersion)
{
case 0x2D0903:
_pmTableSize = 0x594;
break;
case 0x380904:
_pmTableSize = 0x5A4;
break;
case 0x380905:
_pmTableSize = 0x5D0;
break;
case 0x2D0803:
_pmTableSize = 0x894;
break;
case 0x380804:
_pmTableSize = 0x8A4;
break;
case 0x380805:
_pmTableSize = 0x8F0;
break;
default:
return;
}
break;
case CpuCodeName.Renoir:
switch (_pmTableVersion)
{
case 0x370000:
_pmTableSize = 0x794;
break;
case 0x370001:
_pmTableSize = 0x884;
break;
case 0x370002:
case 0x370003:
_pmTableSize = 0x88C;
break;
case 0x370004:
_pmTableSize = 0x8AC;
break;
case 0x370005:
_pmTableSize = 0x8C8;
break;
default:
return;
}
break;
case CpuCodeName.Cezanne:
switch (_pmTableVersion)
{
case 0x400005:
_pmTableSize = 0x944;
break;
default:
return;
}
break;
case CpuCodeName.Picasso:
case CpuCodeName.RavenRidge:
case CpuCodeName.RavenRidge2:
_pmTableSizeAlt = 0xA4;
_pmTableSize = 0x608 + _pmTableSizeAlt;
break;
case CpuCodeName.Raphael:
case CpuCodeName.GraniteRidge:
switch (_pmTableVersion)
{
case 0x00540004:
_pmTableSize = 0x948;
break;
case 0x00540104:
_pmTableSize = 0x950;
break;
default:
return;
}
break;
default:
return;
}
}
private bool GetPmTableVersion(ref uint version)
{
uint[] args = [0];
uint fn;
switch (_cpuCodeName)
{
case CpuCodeName.RavenRidge:
case CpuCodeName.Picasso:
fn = 0x0c;
break;
case CpuCodeName.Matisse:
case CpuCodeName.Vermeer:
fn = 0x08;
break;
case CpuCodeName.Renoir:
fn = 0x06;
break;
case CpuCodeName.Raphael:
case CpuCodeName.GraniteRidge:
fn = 0x05;
break;
default:
return false;
}
bool ret = SendCommand(fn, ref args);
version = args[0];
return ret;
}
private void SetupAddrClass1(uint[] fn)
{
uint[] args = [1, 1];
bool command = SendCommand(fn[0], ref args);
if (!command)
return;
_dramBaseAddr = args[0];
_dramAddrHi = args[1];
}
private void SetupAddrClass2(uint[] fn)
{
uint[] args = [0, 0, 0, 0, 0, 0];
bool command = SendCommand(fn[0], ref args);
if (!command)
return;
args = [0];
command = SendCommand(fn[1], ref args);
if (!command)
return;
_dramBaseAddr = args[0];
}
private void SetupAddrClass3(uint[] fn)
{
uint[] parts = [0, 0];
// == Part 1 ==
uint[] args = [3];
bool command = SendCommand(fn[0], ref args);
if (!command)
return;
args = [3];
command = SendCommand(fn[2], ref args);
if (!command)
return;
// 1st Base.
parts[0] = args[0];
// == Part 1 End ==
// == Part 2 ==
args = [3];
command = SendCommand(fn[1], ref args);
if (!command)
return;
args = [5];
command = SendCommand(fn[0], ref args);
if (!command)
return;
args = [5];
command = SendCommand(fn[2], ref args);
if (!command)
return;
// 2nd base.
parts[1] = args[0];
// == Part 2 End ==
_dramBaseAddr = parts[0] & 0xFFFFFFFF;
}
private void SetupDramBaseAddr()
{
uint[] fn = [0, 0, 0];
switch (_cpuCodeName)
{
case CpuCodeName.Raphael:
case CpuCodeName.GraniteRidge:
fn[0] = 0x04;
SetupAddrClass1(fn);
return;
case CpuCodeName.Vermeer:
case CpuCodeName.Matisse:
case CpuCodeName.CastlePeak:
fn[0] = 0x06;
SetupAddrClass1(fn);
return;
case CpuCodeName.Renoir:
fn[0] = 0x66;
SetupAddrClass1(fn);
return;
case CpuCodeName.Colfax:
case CpuCodeName.PinnacleRidge:
fn[0] = 0x0b;
fn[1] = 0x0c;
SetupAddrClass2(fn);
return;
case CpuCodeName.Dali:
case CpuCodeName.Picasso:
case CpuCodeName.RavenRidge:
case CpuCodeName.RavenRidge2:
fn[0] = 0x0a;
fn[1] = 0x3d;
fn[2] = 0x0b;
SetupAddrClass3(fn);
return;
default:
return;
}
}
public bool TransferTableToDram()
{
uint[] args = [0];
uint fn;
switch (_cpuCodeName)
{
case CpuCodeName.Raphael:
case CpuCodeName.GraniteRidge:
fn = 0x03;
break;
case CpuCodeName.Matisse:
case CpuCodeName.Vermeer:
fn = 0x05;
break;
case CpuCodeName.Renoir:
args[0] = 3;
fn = 0x65;
break;
case CpuCodeName.Picasso:
case CpuCodeName.RavenRidge:
case CpuCodeName.RavenRidge2:
args[0] = 3;
fn = 0x3d;
break;
default:
return false;
}
return SendCommand(fn, ref args);
}
private bool SendCommand(uint msg, ref uint[] args)
{
uint[] cmdArgs = new uint[SMU_REQ_MAX_ARGS];
int argsLength = Math.Min(args.Length, cmdArgs.Length);
for (int i = 0; i < argsLength; ++i)
cmdArgs[i] = args[i];
uint tmp = 0;
if (Mutexes.WaitPciBus(5000))
{
// Step 1: Wait until the RSP register is non-zero.
tmp = 0;
uint retries = SMU_RETRIES_MAX;
do
{
if (!ReadReg(_rspAddr, ref tmp))
{
Mutexes.ReleasePciBus();
return false;
}
}
while (tmp == 0 && retries-- != 0);
// Step 1.b: A command is still being processed meaning a new command cannot be issued.
if (retries == 0 && tmp == 0)
{
Mutexes.ReleasePciBus();
return false;
}
// Step 2: Write zero (0) to the RSP register
WriteReg(_rspAddr, 0);
// Step 3: Write the argument(s) into the argument register(s)
for (int i = 0; i < cmdArgs.Length; ++i)
WriteReg(_argsAddr + (uint)(i * 4), cmdArgs[i]);
// Step 4: Write the message Id into the Message ID register
WriteReg(_cmdAddr, msg);
// Step 5: Wait until the Response register is non-zero.
tmp = 0;
retries = SMU_RETRIES_MAX;
do
{
if (!ReadReg(_rspAddr, ref tmp))
{
Mutexes.ReleasePciBus();
return false;
}
}
while (tmp == 0 && retries-- != 0);
if (retries == 0 && tmp != (uint)Status.OK)
{
Mutexes.ReleasePciBus();
return false;
}
// Step 6: If the Response register contains OK, then SMU has finished processing the message.
args = new uint[SMU_REQ_MAX_ARGS];
for (byte i = 0; i < SMU_REQ_MAX_ARGS; i++)
{
if (!ReadReg(_argsAddr + (uint)(i * 4), ref args[i]))
{
Mutexes.ReleasePciBus();
return false;
}
}
ReadReg(_rspAddr, ref tmp);
Mutexes.ReleasePciBus();
}
return tmp == (uint)Status.OK;
}
private static void WriteReg(uint addr, uint data)
{
if (Mutexes.WaitPciBus(10))
{
if (Ring0.WritePciConfig(0x00, SMU_PCI_ADDR_REG, addr))
Ring0.WritePciConfig(0x00, SMU_PCI_DATA_REG, data);
Mutexes.ReleasePciBus();
}
}
private static bool ReadReg(uint addr, ref uint data)
{
bool read = false;
if (Mutexes.WaitPciBus(10))
{
if (Ring0.WritePciConfig(0x00, SMU_PCI_ADDR_REG, addr))
read = Ring0.ReadPciConfig(0x00, SMU_PCI_DATA_REG, out data);
Mutexes.ReleasePciBus();
}
return read;
}
public struct SmuSensorType
{
public string Name;
public SensorType Type;
public float Scale;
}
private enum Status : uint
{
OK = 0x01,
CmdRejectedBusy = 0xFC,
CmdRejectedPrereq = 0xFD,
UnknownCmd = 0xFE,
Failed = 0xFF
}
private enum CpuCodeName
{
Undefined,
Colfax,
Renoir,
Picasso,
Matisse,
Threadripper,
CastlePeak,
RavenRidge,
RavenRidge2,
SummitRidge,
PinnacleRidge,
Rembrandt,
Vermeer,
Vangogh,
Cezanne,
Milan,
Dali,
Raphael,
GraniteRidge
}
}