reactos/drivers/input/i8042prt/registry.c

   1 /*
   2  * COPYRIGHT:        See COPYING in the top level directory
   3  * PROJECT:          ReactOS kernel
   4  * FILE:             drivers/input/i8042prt/registry.c
   5  * PURPOSE:          i8042 (ps/2 keyboard-mouse controller) driver
   6  *                   Reading the registry
   7  * PROGRAMMER:       Victor Kirhenshtein (sauros@iname.com)
   8  *                   Jason Filby (jasonfilby@yahoo.com)
   9  *                   Tinus
  10  */
  11
  12 /* INCLUDES ****************************************************************/
  13
  14 #ifndef NDEBUG
  15 #define NDEBUG
  16 #endif
  17 #include <debug.h>
  18
  19 #include "i8042prt.h"
  20
  21 /* FUNCTIONS *****************************************************************/
  22
  23 /*
  24  * Read the registry keys associated with this device. The RegistryPath
  25  * var is a hack. This should be more like what microsoft does, but I
  26  * don't know exactly what they do except that it's a hack too...
  27  */
  28 VOID STDCALL I8042ReadRegistry(PDRIVER_OBJECT DriverObject,
  29                                PDEVICE_EXTENSION DevExt)
  30
  31 {
  32         RTL_QUERY_REGISTRY_TABLE Parameters[19];
  33
  34         NTSTATUS Status;
  35
  36         ULONG DefaultHeadless = 0;
  37         ULONG DefaultCrashScroll = 0;
  38         ULONG DefaultCrashSysRq = 0;
  39         ULONG DefaultReportResetErrors = 0;
  40         ULONG DefaultPollStatusIterations = 1;
  41         ULONG DefaultResendIterations = 3;
  42         ULONG DefaultPollingIterations = 12000;
  43         ULONG DefaultPollingIterationsMaximum = 12000;
  44         ULONG DefaultKeyboardDataQueueSize = 100;
  45         ULONG DefaultOverrideKeyboardType = 0;
  46         ULONG DefaultOverrideKeyboardSubtype = 0;
  47         ULONG DefaultMouseDataQueueSize = 100;
  48         ULONG DefaultMouseResendStallTime = 1000;
  49         ULONG DefaultMouseSynchIn100ns = 20000000;
  50         ULONG DefaultMouseResolution = 3;
  51         ULONG DefaultSampleRate = 60;
  52         ULONG DefaultNumberOfButtons = 2;
  53         ULONG DefaultEnableWheelDetection = 1;
  54
  55         RtlZeroMemory(Parameters, sizeof(Parameters));
  56
  57         Parameters[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
  58         Parameters[0].Name = L"Headless";
  59         Parameters[0].EntryContext = &DevExt->Settings.Headless;
  60         Parameters[0].DefaultType = REG_DWORD;
  61         Parameters[0].DefaultData = &DefaultHeadless;
  62         Parameters[0].DefaultLength = sizeof(ULONG);
  63
  64         Parameters[1].Flags = RTL_QUERY_REGISTRY_DIRECT;
  65         Parameters[1].Name = L"CrashOnCtrlScroll";
  66         Parameters[1].EntryContext = &DevExt->Settings.CrashScroll;
  67         Parameters[1].DefaultType = REG_DWORD;
  68         Parameters[1].DefaultData = &DefaultCrashScroll;
  69         Parameters[1].DefaultLength = sizeof(ULONG);
  70
  71         Parameters[2].Flags = RTL_QUERY_REGISTRY_DIRECT;
  72         Parameters[2].Name = L"BreakOnSysRq";
  73         Parameters[2].EntryContext = &DevExt->Settings.CrashSysRq;
  74         Parameters[2].DefaultType = REG_DWORD;
  75         Parameters[2].DefaultData = &DefaultCrashSysRq;
  76         Parameters[2].DefaultLength = sizeof(ULONG);
  77
  78         Parameters[3].Flags = RTL_QUERY_REGISTRY_DIRECT;
  79         Parameters[3].Name = L"ReportResetErrors";
  80         Parameters[3].EntryContext = &DevExt->Settings.ReportResetErrors;
  81         Parameters[3].DefaultType = REG_DWORD;
  82         Parameters[3].DefaultData = &DefaultReportResetErrors;
  83         Parameters[3].DefaultLength = sizeof(ULONG);
  84
  85         Parameters[4].Flags = RTL_QUERY_REGISTRY_DIRECT;
  86         Parameters[4].Name = L"PollStatusIterations";
  87         Parameters[4].EntryContext = &DevExt->Settings.PollStatusIterations;
  88         Parameters[4].DefaultType = REG_DWORD;
  89         Parameters[4].DefaultData = &DefaultPollStatusIterations;
  90         Parameters[4].DefaultLength = sizeof(ULONG);
  91
  92         Parameters[5].Flags = RTL_QUERY_REGISTRY_DIRECT;
  93         Parameters[5].Name = L"ResendIterations";
  94         Parameters[5].EntryContext = &DevExt->Settings.ResendIterations;
  95         Parameters[5].DefaultType = REG_DWORD;
  96         Parameters[5].DefaultData = &DefaultResendIterations;
  97         Parameters[5].DefaultLength = sizeof(ULONG);
  98
  99         Parameters[6].Flags = RTL_QUERY_REGISTRY_DIRECT;
 100         Parameters[6].Name = L"PollingIterations";
 101         Parameters[6].EntryContext = &DevExt->Settings.PollingIterations;
 102         Parameters[6].DefaultType = REG_DWORD;
 103         Parameters[6].DefaultData = &DefaultPollingIterations;
 104         Parameters[6].DefaultLength = sizeof(ULONG);
 105
 106         Parameters[7].Flags = RTL_QUERY_REGISTRY_DIRECT;
 107         Parameters[7].Name = L"PollingIterationsMaximum";
 108         Parameters[7].EntryContext = &DevExt->Settings.PollingIterationsMaximum;
 109         Parameters[7].DefaultType = REG_DWORD;
 110         Parameters[7].DefaultData = &DefaultPollingIterationsMaximum;
 111         Parameters[7].DefaultLength = sizeof(ULONG);
 112
 113         Parameters[8].Flags = RTL_QUERY_REGISTRY_DIRECT;
 114         Parameters[8].Name = L"KeyboardDataQueueSize";
 115         Parameters[8].EntryContext =
 116                                &DevExt->KeyboardAttributes.InputDataQueueLength;
 117         Parameters[8].DefaultType = REG_DWORD;
 118         Parameters[8].DefaultData = &DefaultKeyboardDataQueueSize;
 119         Parameters[8].DefaultLength = sizeof(ULONG);
 120
 121         Parameters[9].Flags = RTL_QUERY_REGISTRY_DIRECT;
 122         Parameters[9].Name = L"OverrideKeyboardType";
 123         Parameters[9].EntryContext = &DevExt->Settings.OverrideKeyboardType;
 124         Parameters[9].DefaultType = REG_DWORD;
 125         Parameters[9].DefaultData = &DefaultOverrideKeyboardType;
 126         Parameters[9].DefaultLength = sizeof(ULONG);
 127
 128         Parameters[10].Flags = RTL_QUERY_REGISTRY_DIRECT;
 129         Parameters[10].Name = L"OverrideKeyboardSubtype";
 130         Parameters[10].EntryContext = &DevExt->Settings.OverrideKeyboardSubtype;
 131         Parameters[10].DefaultType = REG_DWORD;
 132         Parameters[10].DefaultData = &DefaultOverrideKeyboardSubtype;
 133         Parameters[10].DefaultLength = sizeof(ULONG);
 134
 135         Parameters[11].Flags = RTL_QUERY_REGISTRY_DIRECT;
 136         Parameters[11].Name = L"MouseDataQueueSize";
 137         Parameters[11].EntryContext =
 138                               &DevExt->MouseAttributes.InputDataQueueLength;
 139         Parameters[11].DefaultType = REG_DWORD;
 140         Parameters[11].DefaultData = &DefaultMouseDataQueueSize;
 141         Parameters[11].DefaultLength = sizeof(ULONG);
 142
 143         Parameters[12].Flags = RTL_QUERY_REGISTRY_DIRECT;
 144         Parameters[12].Name = L"MouseResendStallTime";
 145         Parameters[12].EntryContext = &DevExt->Settings.MouseResendStallTime;
 146         Parameters[12].DefaultType = REG_DWORD;
 147         Parameters[12].DefaultData = &DefaultMouseResendStallTime;
 148         Parameters[12].DefaultLength = sizeof(ULONG);
 149
 150         Parameters[13].Flags = RTL_QUERY_REGISTRY_DIRECT;
 151         Parameters[13].Name = L"MouseSynchIn100ns";
 152         Parameters[13].EntryContext = &DevExt->Settings.MouseSynchIn100ns;
 153         Parameters[13].DefaultType = REG_DWORD;
 154         Parameters[13].DefaultData = &DefaultMouseSynchIn100ns;
 155         Parameters[13].DefaultLength = sizeof(ULONG);
 156
 157         Parameters[14].Flags = RTL_QUERY_REGISTRY_DIRECT;
 158         Parameters[14].Name = L"MouseResolution";
 159         Parameters[14].EntryContext = &DevExt->Settings.MouseResolution;
 160         Parameters[14].DefaultType = REG_DWORD;
 161         Parameters[14].DefaultData = &DefaultMouseResolution;
 162         Parameters[14].DefaultLength = sizeof(ULONG);
 163
 164         Parameters[15].Flags = RTL_QUERY_REGISTRY_DIRECT;
 165         Parameters[15].Name = L"SampleRate";
 166         Parameters[15].EntryContext = &DevExt->MouseAttributes.SampleRate;
 167         Parameters[15].DefaultType = REG_DWORD;
 168         Parameters[15].DefaultData = &DefaultSampleRate;
 169         Parameters[15].DefaultLength = sizeof(ULONG);
 170
 171         Parameters[16].Flags = RTL_QUERY_REGISTRY_DIRECT;
 172         Parameters[16].Name = L"NumberOfButtons";
 173         Parameters[16].EntryContext = &DevExt->Settings.NumberOfButtons;
 174         Parameters[16].DefaultType = REG_DWORD;
 175         Parameters[16].DefaultData = &DefaultNumberOfButtons;
 176         Parameters[16].DefaultLength = sizeof(ULONG);
 177
 178         Parameters[17].Flags = RTL_QUERY_REGISTRY_DIRECT;
 179         Parameters[17].Name = L"EnableWheelDetection";
 180         Parameters[17].EntryContext = &DevExt->Settings.EnableWheelDetection;
 181         Parameters[17].DefaultType = REG_DWORD;
 182         Parameters[17].DefaultData = &DefaultEnableWheelDetection;
 183         Parameters[17].DefaultLength = sizeof(ULONG);
 184
 185         Status = RtlQueryRegistryValues(RTL_REGISTRY_ABSOLUTE | RTL_REGISTRY_OPTIONAL,
 186                                         I8042RegistryPath.Buffer,
 187                                         Parameters,
 188                                         NULL,
 189                                         NULL);
 190
 191         if (!NT_SUCCESS(Status)) {
 192                 /* Actually, the defaults are not set when the function
 193                  * fails, as would happen during setup, so you have to
 194                  * set them manually anyway...
 195                  */
 196                 RTL_QUERY_REGISTRY_TABLE *Current = Parameters;
 197                 DPRINT1 ("Can't read registry: %x\n", Status);
 198                 while (Current->Name) {
 199                         *((PULONG)Current->EntryContext) =
 200                                                *((PULONG)Current->DefaultData);
 201                         Current++;
 202                 }
 203                 DPRINT1 ("Manually set defaults\n");
 204
 205         }
 206
 207         if (DevExt->Settings.MouseResolution > 3)
 208                 DevExt->Settings.MouseResolution = 3;
 209
 210         DPRINT("Done reading registry\n");
 211 }