193 lines
8.1 KiB
C#
193 lines
8.1 KiB
C#
/*
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This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at http://mozilla.org/MPL/2.0/.
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Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>
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*/
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using System;
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using System.Runtime.InteropServices;
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using System.Text.RegularExpressions;
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using OpenHardwareMonitor.Interop;
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namespace OpenHardwareMonitor.Hardware.ATI {
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[StructLayout(LayoutKind.Sequential)]
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internal 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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internal 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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internal 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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internal 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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internal 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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internal 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 ADL_DL_FANCTRL_FLAG_USER_DEFINED_SPEED = 1;
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public const int ATI_VENDOR_ID = 0x1002;
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internal const string DllName = "atiadlxx.dll";
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Main_Control_Create(ADL_Main_Memory_AllocDelegate callback, int enumConnectedAdapters);
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Main_Control_Destroy();
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Adapter_AdapterInfo_Get(IntPtr info, int size);
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Adapter_NumberOfAdapters_Get();
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Adapter_NumberOfAdapters_Get(ref int numAdapters);
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Adapter_ID_Get(int adapterIndex, out int adapterId);
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Display_AdapterID_Get(int adapterIndex, out int adapterId);
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Adapter_Active_Get(int adapterIndex, out int status);
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Overdrive5_CurrentActivity_Get(int iAdapterIndex, ref ADLPMActivity activity);
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Overdrive5_Temperature_Get(int adapterIndex, int thermalControllerIndex, ref ADLTemperature temperature);
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL2_OverdriveN_Temperature_Get(IntPtr context, int adapterIndex, int thermalControllerIndex, ref int temp);
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Overdrive5_FanSpeed_Get(int adapterIndex, int thermalControllerIndex, ref ADLFanSpeedValue fanSpeedValue);
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Overdrive5_FanSpeedInfo_Get(int adapterIndex, int thermalControllerIndex, ref ADLFanSpeedInfo fanSpeedInfo);
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Overdrive5_FanSpeedToDefault_Set(int adapterIndex, int thermalControllerIndex);
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Overdrive5_FanSpeed_Set(int adapterIndex, int thermalControllerIndex, ref ADLFanSpeedValue fanSpeedValue);
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[DllImport(DllName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int ADL_Overdrive_Caps(int adapterIndex, ref int supported, ref int enabled, ref int version);
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public static int ADL_Main_Control_Create(int enumConnectedAdapters) {
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try {
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if (Kernel32.LoadLibrary(DllName) != IntPtr.Zero)
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return ADL_Main_Control_Create(Main_Memory_Alloc, enumConnectedAdapters);
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return ADL_ERR;
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} catch {
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return ADL_ERR;
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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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// the ADLAdapterInfo.VendorID field reported by ADL is wrong on
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// Windows systems (parse error), so we fix this here
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for (int i = 0; i < info.Length; i++) {
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// try Windows UDID format
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Match m = Regex.Match(info[i].UDID, "PCI_VEN_([A-Fa-f0-9]{1,4})&.*");
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if (m.Success && m.Groups.Count == 2) {
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info[i].VendorID = Convert.ToInt32(m.Groups[1].Value, 16);
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continue;
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}
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// if above failed, try Unix UDID format
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m = Regex.Match(info[i].UDID, "[0-9]+:[0-9]+:([0-9]+):[0-9]+:[0-9]+");
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if (m.Success && m.Groups.Count == 2) {
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info[i].VendorID = Convert.ToInt32(m.Groups[1].Value, 10);
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}
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}
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return result;
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}
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public delegate IntPtr ADL_Main_Memory_AllocDelegate(int size);
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// create a Main_Memory_Alloc delegate and keep it alive
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public static ADL_Main_Memory_AllocDelegate Main_Memory_Alloc =
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delegate(int size) {
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return Marshal.AllocHGlobal(size);
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};
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public 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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}
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