Fixed Issue 14 (ignore ATI GPU voltage and clock sensors if the value is 0).
3 Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 The contents of this file are subject to the Mozilla Public License Version
6 1.1 (the "License"); you may not use this file except in compliance with
7 the License. You may obtain a copy of the License at
9 http://www.mozilla.org/MPL/
11 Software distributed under the License is distributed on an "AS IS" basis,
12 WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 for the specific language governing rights and limitations under the License.
15 The Original Code is the Open Hardware Monitor code.
17 The Initial Developer of the Original Code is
18 Michael Möller <m.moeller@gmx.ch>.
19 Portions created by the Initial Developer are Copyright (C) 2009-2010
20 the Initial Developer. All Rights Reserved.
24 Alternatively, the contents of this file may be used under the terms of
25 either the GNU General Public License Version 2 or later (the "GPL"), or
26 the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 in which case the provisions of the GPL or the LGPL are applicable instead
28 of those above. If you wish to allow use of your version of this file only
29 under the terms of either the GPL or the LGPL, and not to allow others to
30 use your version of this file under the terms of the MPL, indicate your
31 decision by deleting the provisions above and replace them with the notice
32 and other provisions required by the GPL or the LGPL. If you do not delete
33 the provisions above, a recipient may use your version of this file under
34 the terms of any one of the MPL, the GPL or the LGPL.
39 using System.Collections.Generic;
40 using System.Runtime.InteropServices;
42 namespace OpenHardwareMonitor.Hardware.ATI {
44 [StructLayout(LayoutKind.Sequential)]
45 public struct ADLAdapterInfo {
47 public int AdapterIndex;
48 [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ADL.ADL_MAX_PATH)]
51 public int DeviceNumber;
52 public int FunctionNumber;
54 [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ADL.ADL_MAX_PATH)]
55 public string AdapterName;
56 [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ADL.ADL_MAX_PATH)]
57 public string DisplayName;
60 [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ADL.ADL_MAX_PATH)]
61 public string DriverPath;
62 [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ADL.ADL_MAX_PATH)]
63 public string DriverPathExt;
64 [MarshalAs(UnmanagedType.ByValTStr, SizeConst = ADL.ADL_MAX_PATH)]
65 public string PNPString;
66 public int OSDisplayIndex;
69 [StructLayout(LayoutKind.Sequential)]
70 public struct ADLPMActivity {
72 public int EngineClock;
73 public int MemoryClock;
75 public int ActivityPercent;
76 public int CurrentPerformanceLevel;
77 public int CurrentBusSpeed;
78 public int CurrentBusLanes;
79 public int MaximumBusLanes;
83 [StructLayout(LayoutKind.Sequential)]
84 public struct ADLTemperature {
86 public int Temperature;
89 [StructLayout(LayoutKind.Sequential)]
90 public struct ADLFanSpeedValue {
97 [StructLayout(LayoutKind.Sequential)]
98 public struct ADLFanSpeedInfo {
101 public int MinPercent;
102 public int MaxPercent;
108 public const int ADL_MAX_PATH = 256;
109 public const int ADL_MAX_ADAPTERS = 40;
110 public const int ADL_MAX_DISPLAYS = 40;
111 public const int ADL_MAX_DEVICENAME = 32;
112 public const int ADL_OK = 0;
113 public const int ADL_ERR = -1;
114 public const int ADL_DRIVER_OK = 0;
115 public const int ADL_MAX_GLSYNC_PORTS = 8;
116 public const int ADL_MAX_GLSYNC_PORT_LEDS = 8;
117 public const int ADL_MAX_NUM_DISPLAYMODES = 1024;
119 public const int ADL_DL_FANCTRL_SPEED_TYPE_PERCENT = 1;
120 public const int ADL_DL_FANCTRL_SPEED_TYPE_RPM = 2;
122 public const int ADL_DL_FANCTRL_SUPPORTS_PERCENT_READ = 1;
123 public const int ADL_DL_FANCTRL_SUPPORTS_PERCENT_WRITE = 2;
124 public const int ADL_DL_FANCTRL_SUPPORTS_RPM_READ = 4;
125 public const int ADL_DL_FANCTRL_SUPPORTS_RPM_WRITE = 8;
127 public const int ATI_VENDOR_ID1 = 1002;
128 public const int ATI_VENDOR_ID2 = 0x1002;
130 private delegate int ADL_Main_Control_CreateDelegate(
131 ADL_Main_Memory_AllocDelegate callback, int enumConnectedAdapters);
132 private delegate int ADL_Adapter_AdapterInfo_GetDelegate(IntPtr info,
135 public delegate int ADL_Main_Control_DestroyDelegate();
136 public delegate int ADL_Adapter_NumberOfAdapters_GetDelegate(
137 ref int numAdapters);
138 public delegate int ADL_Adapter_ID_GetDelegate(int adapterIndex,
140 public delegate int ADL_Display_AdapterID_GetDelegate(int adapterIndex,
142 public delegate int ADL_Adapter_Active_GetDelegate(int adapterIndex,
144 public delegate int ADL_Overdrive5_CurrentActivity_GetDelegate(
145 int iAdapterIndex, ref ADLPMActivity activity);
146 public delegate int ADL_Overdrive5_Temperature_GetDelegate(int adapterIndex,
147 int thermalControllerIndex, ref ADLTemperature temperature);
148 public delegate int ADL_Overdrive5_FanSpeed_GetDelegate(int adapterIndex,
149 int thermalControllerIndex, ref ADLFanSpeedValue fanSpeedValue);
150 public delegate int ADL_Overdrive5_FanSpeedInfo_GetDelegate(
151 int adapterIndex, int thermalControllerIndex,
152 ref ADLFanSpeedInfo fanSpeedInfo);
154 private static ADL_Main_Control_CreateDelegate
155 _ADL_Main_Control_Create;
156 private static ADL_Adapter_AdapterInfo_GetDelegate
157 _ADL_Adapter_AdapterInfo_Get;
159 public static ADL_Main_Control_DestroyDelegate
160 ADL_Main_Control_Destroy;
161 public static ADL_Adapter_NumberOfAdapters_GetDelegate
162 ADL_Adapter_NumberOfAdapters_Get;
163 public static ADL_Adapter_ID_GetDelegate
165 public static ADL_Display_AdapterID_GetDelegate
166 _ADL_Display_AdapterID_Get;
167 public static ADL_Adapter_Active_GetDelegate
168 ADL_Adapter_Active_Get;
169 public static ADL_Overdrive5_CurrentActivity_GetDelegate
170 ADL_Overdrive5_CurrentActivity_Get;
171 public static ADL_Overdrive5_Temperature_GetDelegate
172 ADL_Overdrive5_Temperature_Get;
173 public static ADL_Overdrive5_FanSpeed_GetDelegate
174 ADL_Overdrive5_FanSpeed_Get;
175 public static ADL_Overdrive5_FanSpeedInfo_GetDelegate
176 ADL_Overdrive5_FanSpeedInfo_Get;
178 private static string dllName;
180 private static void GetDelegate<T>(string entryPoint, out T newDelegate)
183 DllImportAttribute attribute = new DllImportAttribute(dllName);
184 attribute.CallingConvention = CallingConvention.StdCall;
185 attribute.PreserveSig = true;
186 attribute.EntryPoint = entryPoint;
187 PInvokeDelegateFactory.CreateDelegate(attribute, out newDelegate);
190 private static void CreateDelegates(string name) {
191 int p = (int)System.Environment.OSVersion.Platform;
192 if ((p == 4) || (p == 128))
193 dllName = name + ".so";
195 dllName = name + ".dll";
197 GetDelegate("ADL_Main_Control_Create",
198 out _ADL_Main_Control_Create);
199 GetDelegate("ADL_Adapter_AdapterInfo_Get",
200 out _ADL_Adapter_AdapterInfo_Get);
201 GetDelegate("ADL_Main_Control_Destroy",
202 out ADL_Main_Control_Destroy);
203 GetDelegate("ADL_Adapter_NumberOfAdapters_Get",
204 out ADL_Adapter_NumberOfAdapters_Get);
205 GetDelegate("ADL_Adapter_ID_Get",
206 out _ADL_Adapter_ID_Get);
207 GetDelegate("ADL_Display_AdapterID_Get",
208 out _ADL_Display_AdapterID_Get);
209 GetDelegate("ADL_Adapter_Active_Get",
210 out ADL_Adapter_Active_Get);
211 GetDelegate("ADL_Overdrive5_CurrentActivity_Get",
212 out ADL_Overdrive5_CurrentActivity_Get);
213 GetDelegate("ADL_Overdrive5_Temperature_Get",
214 out ADL_Overdrive5_Temperature_Get);
215 GetDelegate("ADL_Overdrive5_FanSpeed_Get",
216 out ADL_Overdrive5_FanSpeed_Get);
217 GetDelegate("ADL_Overdrive5_FanSpeedInfo_Get",
218 out ADL_Overdrive5_FanSpeedInfo_Get);
222 CreateDelegates("atiadlxx");
227 public static int ADL_Main_Control_Create(int enumConnectedAdapters) {
229 return _ADL_Main_Control_Create(Main_Memory_Alloc,
230 enumConnectedAdapters);
231 } catch (DllNotFoundException) {
232 CreateDelegates("atiadlxy");
233 return _ADL_Main_Control_Create(Main_Memory_Alloc,
234 enumConnectedAdapters);
238 public static int ADL_Adapter_AdapterInfo_Get(ADLAdapterInfo[] info) {
239 int elementSize = Marshal.SizeOf(typeof(ADLAdapterInfo));
240 int size = info.Length * elementSize;
241 IntPtr ptr = Marshal.AllocHGlobal(size);
242 int result = _ADL_Adapter_AdapterInfo_Get(ptr, size);
243 for (int i = 0; i < info.Length; i++)
244 info[i] = (ADLAdapterInfo)
245 Marshal.PtrToStructure((IntPtr)((long)ptr + i * elementSize),
246 typeof(ADLAdapterInfo));
247 Marshal.FreeHGlobal(ptr);
251 public static int ADL_Adapter_ID_Get(int adapterIndex,
254 return _ADL_Adapter_ID_Get(adapterIndex, out adapterID);
255 } catch (EntryPointNotFoundException) {
257 return _ADL_Display_AdapterID_Get(adapterIndex, out adapterID);
258 } catch (EntryPointNotFoundException) {
265 private delegate IntPtr ADL_Main_Memory_AllocDelegate(int size);
267 private static IntPtr Main_Memory_Alloc(int size) {
268 return Marshal.AllocHGlobal(size);;
271 private static void Main_Memory_Free(IntPtr buffer) {
272 if (IntPtr.Zero != buffer)
273 Marshal.FreeHGlobal(buffer);