Hardware/ATI/ADL.cs
author moel.mich
Wed, 10 Mar 2010 17:56:08 +0000
changeset 80 129a9a1d514f
parent 12 a105b5eee02f
child 160 f7d962d25af4
permissions -rw-r--r--
Fixed Issue 14 (ignore ATI GPU voltage and clock sensors if the value is 0).
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/*
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  Version: MPL 1.1/GPL 2.0/LGPL 2.1
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  The contents of this file are subject to the Mozilla Public License Version
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  1.1 (the "License"); you may not use this file except in compliance with
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  the License. You may obtain a copy of the License at
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  http://www.mozilla.org/MPL/
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  Software distributed under the License is distributed on an "AS IS" basis,
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  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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  for the specific language governing rights and limitations under the License.
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  The Original Code is the Open Hardware Monitor code.
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  The Initial Developer of the Original Code is 
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  Michael Möller <m.moeller@gmx.ch>.
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  Portions created by the Initial Developer are Copyright (C) 2009-2010
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  the Initial Developer. All Rights Reserved.
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  Contributor(s):
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  Alternatively, the contents of this file may be used under the terms of
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  either the GNU General Public License Version 2 or later (the "GPL"), or
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  the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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  in which case the provisions of the GPL or the LGPL are applicable instead
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  of those above. If you wish to allow use of your version of this file only
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  under the terms of either the GPL or the LGPL, and not to allow others to
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  use your version of this file under the terms of the MPL, indicate your
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  decision by deleting the provisions above and replace them with the notice
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  and other provisions required by the GPL or the LGPL. If you do not delete
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  the provisions above, a recipient may use your version of this file under
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  the terms of any one of the MPL, the GPL or the LGPL.
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*/
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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namespace OpenHardwareMonitor.Hardware.ATI {
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  [StructLayout(LayoutKind.Sequential)]
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  public struct ADLAdapterInfo {
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    public int Size;
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    public int AdapterIndex;
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    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ADL.ADL_MAX_PATH)]
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    public string UDID;
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    public int BusNumber;
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    public int DeviceNumber;
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    public int FunctionNumber;
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    public int VendorID;
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    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ADL.ADL_MAX_PATH)]
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    public string AdapterName;
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    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ADL.ADL_MAX_PATH)]
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    public string DisplayName;
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    public int Present;
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    public int Exist;
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    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ADL.ADL_MAX_PATH)]
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    public string DriverPath;
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    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ADL.ADL_MAX_PATH)]
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    public string DriverPathExt;
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    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ADL.ADL_MAX_PATH)]
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    public string PNPString;
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    public int OSDisplayIndex;
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  }
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  [StructLayout(LayoutKind.Sequential)]
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  public struct ADLPMActivity {
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    public int Size;
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    public int EngineClock;
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    public int MemoryClock;
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    public int Vddc;
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    public int ActivityPercent;
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    public int CurrentPerformanceLevel;
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    public int CurrentBusSpeed;
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    public int CurrentBusLanes;
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    public int MaximumBusLanes;
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    public int Reserved;
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  }
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  [StructLayout(LayoutKind.Sequential)]
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  public struct ADLTemperature {
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    public int Size;
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    public int Temperature;
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  }
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  [StructLayout(LayoutKind.Sequential)]
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  public struct ADLFanSpeedValue {
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    public int Size;
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    public int SpeedType;
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    public int FanSpeed;
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    public int Flags;
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  }
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  [StructLayout(LayoutKind.Sequential)]
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  public struct ADLFanSpeedInfo {
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    public int Size;
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    public int Flags;
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    public int MinPercent;
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    public int MaxPercent;
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    public int MinRPM;
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    public int MaxRPM;
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  }
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  public class ADL {
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    public const int ADL_MAX_PATH = 256;
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    public const int ADL_MAX_ADAPTERS = 40;
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    public const int ADL_MAX_DISPLAYS = 40;
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    public const int ADL_MAX_DEVICENAME = 32;
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    public const int ADL_OK = 0;
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    public const int ADL_ERR = -1;
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    public const int ADL_DRIVER_OK = 0;
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    public const int ADL_MAX_GLSYNC_PORTS = 8;
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    public const int ADL_MAX_GLSYNC_PORT_LEDS = 8;
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    public const int ADL_MAX_NUM_DISPLAYMODES = 1024;
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    public const int ADL_DL_FANCTRL_SPEED_TYPE_PERCENT = 1;
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    public const int ADL_DL_FANCTRL_SPEED_TYPE_RPM = 2;
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    public const int ADL_DL_FANCTRL_SUPPORTS_PERCENT_READ = 1;
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    public const int ADL_DL_FANCTRL_SUPPORTS_PERCENT_WRITE = 2;
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    public const int ADL_DL_FANCTRL_SUPPORTS_RPM_READ = 4;
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    public const int ADL_DL_FANCTRL_SUPPORTS_RPM_WRITE = 8;
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    public const int ATI_VENDOR_ID1 = 1002;
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    public const int ATI_VENDOR_ID2 = 0x1002;
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    private delegate int ADL_Main_Control_CreateDelegate(
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      ADL_Main_Memory_AllocDelegate callback, int enumConnectedAdapters);
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    private delegate int ADL_Adapter_AdapterInfo_GetDelegate(IntPtr info,
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      int size);
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    public delegate int ADL_Main_Control_DestroyDelegate();
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    public delegate int ADL_Adapter_NumberOfAdapters_GetDelegate(
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      ref int numAdapters);    
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    public delegate int ADL_Adapter_ID_GetDelegate(int adapterIndex,
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      out int adapterID);
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    public delegate int ADL_Display_AdapterID_GetDelegate(int adapterIndex,
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      out int adapterID);      	
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    public delegate int ADL_Adapter_Active_GetDelegate(int adapterIndex,
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      out int status);
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    public delegate int ADL_Overdrive5_CurrentActivity_GetDelegate(
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      int iAdapterIndex, ref ADLPMActivity activity);
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    public delegate int ADL_Overdrive5_Temperature_GetDelegate(int adapterIndex,
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        int thermalControllerIndex, ref ADLTemperature temperature);
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    public delegate int ADL_Overdrive5_FanSpeed_GetDelegate(int adapterIndex,
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        int thermalControllerIndex, ref	ADLFanSpeedValue fanSpeedValue);
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    public delegate int ADL_Overdrive5_FanSpeedInfo_GetDelegate(
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      int adapterIndex, int thermalControllerIndex,
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      ref ADLFanSpeedInfo fanSpeedInfo);
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    private static ADL_Main_Control_CreateDelegate
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      _ADL_Main_Control_Create;
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    private static ADL_Adapter_AdapterInfo_GetDelegate
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      _ADL_Adapter_AdapterInfo_Get;
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    public static ADL_Main_Control_DestroyDelegate 
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      ADL_Main_Control_Destroy;
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    public static ADL_Adapter_NumberOfAdapters_GetDelegate
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      ADL_Adapter_NumberOfAdapters_Get;
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    public static ADL_Adapter_ID_GetDelegate 
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      _ADL_Adapter_ID_Get;
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    public static ADL_Display_AdapterID_GetDelegate 
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      _ADL_Display_AdapterID_Get;
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    public static ADL_Adapter_Active_GetDelegate 
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      ADL_Adapter_Active_Get;
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    public static ADL_Overdrive5_CurrentActivity_GetDelegate
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      ADL_Overdrive5_CurrentActivity_Get;
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    public static ADL_Overdrive5_Temperature_GetDelegate
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      ADL_Overdrive5_Temperature_Get;
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    public static ADL_Overdrive5_FanSpeed_GetDelegate
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      ADL_Overdrive5_FanSpeed_Get;
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    public static ADL_Overdrive5_FanSpeedInfo_GetDelegate
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      ADL_Overdrive5_FanSpeedInfo_Get;
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    private static string dllName;
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    private static void GetDelegate<T>(string entryPoint, out T newDelegate)
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      where T : class 
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    {
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      DllImportAttribute attribute = new DllImportAttribute(dllName);
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      attribute.CallingConvention = CallingConvention.StdCall;
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      attribute.PreserveSig = true;
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      attribute.EntryPoint = entryPoint;
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      PInvokeDelegateFactory.CreateDelegate(attribute, out newDelegate);
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    }
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    private static void CreateDelegates(string name) {
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      int p = (int)System.Environment.OSVersion.Platform;
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      if ((p == 4) || (p == 128))
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        dllName = name + ".so";
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      else
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        dllName = name + ".dll";
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      GetDelegate("ADL_Main_Control_Create",
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        out _ADL_Main_Control_Create);
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      GetDelegate("ADL_Adapter_AdapterInfo_Get",
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        out _ADL_Adapter_AdapterInfo_Get);
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      GetDelegate("ADL_Main_Control_Destroy",
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        out ADL_Main_Control_Destroy);
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      GetDelegate("ADL_Adapter_NumberOfAdapters_Get",
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        out ADL_Adapter_NumberOfAdapters_Get);
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      GetDelegate("ADL_Adapter_ID_Get",
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        out _ADL_Adapter_ID_Get);
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      GetDelegate("ADL_Display_AdapterID_Get", 
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        out _ADL_Display_AdapterID_Get);
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      GetDelegate("ADL_Adapter_Active_Get",
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        out ADL_Adapter_Active_Get);
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      GetDelegate("ADL_Overdrive5_CurrentActivity_Get",
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        out ADL_Overdrive5_CurrentActivity_Get);
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      GetDelegate("ADL_Overdrive5_Temperature_Get",
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        out ADL_Overdrive5_Temperature_Get);
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      GetDelegate("ADL_Overdrive5_FanSpeed_Get",
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        out ADL_Overdrive5_FanSpeed_Get);
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      GetDelegate("ADL_Overdrive5_FanSpeedInfo_Get",
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        out ADL_Overdrive5_FanSpeedInfo_Get);
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    }
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    static ADL() {
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      CreateDelegates("atiadlxx");
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    }
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    private ADL() { }
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    public static int ADL_Main_Control_Create(int enumConnectedAdapters) {
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      try {
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        return _ADL_Main_Control_Create(Main_Memory_Alloc,
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          enumConnectedAdapters);
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      } catch (DllNotFoundException) {
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        CreateDelegates("atiadlxy");
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        return _ADL_Main_Control_Create(Main_Memory_Alloc,
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          enumConnectedAdapters);
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      }
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    }
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    public static int ADL_Adapter_AdapterInfo_Get(ADLAdapterInfo[] info) {
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      int elementSize = Marshal.SizeOf(typeof(ADLAdapterInfo));
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      int size = info.Length * elementSize;
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      IntPtr ptr = Marshal.AllocHGlobal(size);
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      int result = _ADL_Adapter_AdapterInfo_Get(ptr, size);
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      for (int i = 0; i < info.Length; i++)
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        info[i] = (ADLAdapterInfo)
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          Marshal.PtrToStructure((IntPtr)((long)ptr + i * elementSize),
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          typeof(ADLAdapterInfo));
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      Marshal.FreeHGlobal(ptr);
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      return result;
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    }
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    public static int ADL_Adapter_ID_Get(int adapterIndex,
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      out int adapterID) {
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      try {
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        return _ADL_Adapter_ID_Get(adapterIndex, out adapterID);
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      } catch (EntryPointNotFoundException) {
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        try {
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          return _ADL_Display_AdapterID_Get(adapterIndex, out adapterID);
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        } catch (EntryPointNotFoundException) {
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          adapterID = 1;
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          return ADL_OK;
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        }
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      }
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    }
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    private delegate IntPtr ADL_Main_Memory_AllocDelegate(int size);
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    private static IntPtr Main_Memory_Alloc(int size) {
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      return Marshal.AllocHGlobal(size);;
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    }
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    private static void Main_Memory_Free(IntPtr buffer) {
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      if (IntPtr.Zero != buffer)
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        Marshal.FreeHGlobal(buffer);
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    }
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  }
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}