drivers/input/i8042prt/registry.c

   1 /*
   2  * PROJECT:     ReactOS i8042 (ps/2 keyboard-mouse controller) driver
   3  * LICENSE:     GPL - See COPYING in the top level directory
   4  * FILE:        drivers/input/i8042prt/i8042prt.c
   5  * PURPOSE:     Reading the registry
   6  * PROGRAMMERS: Copyright Victor Kirhenshtein (sauros@iname.com)
   7                 Copyright Jason Filby (jasonfilby@yahoo.com)
   8                 Copyright Martijn Vernooij (o112w8r02@sneakemail.com)
   9                 Copyright 2006-2007 Hervé Poussineau (hpoussin@reactos.org)
  10  */
  11
  12 /* INCLUDES ******************************************************************/
  13
  14 #include "i8042prt.h"
  15
  16 /* FUNCTIONS *****************************************************************/
  17
  18 NTSTATUS
  19 ReadRegistryEntries(
  20         IN PUNICODE_STRING RegistryPath,
  21         OUT PI8042_SETTINGS Settings)
  22 {
  23         RTL_QUERY_REGISTRY_TABLE Parameters[17];
  24         NTSTATUS Status;
  25
  26         ULONG DefaultKeyboardDataQueueSize = 0x64;
  27         PCWSTR DefaultKeyboardDeviceBaseName = L"KeyboardPort";
  28         ULONG DefaultMouseDataQueueSize = 0x64;
  29         ULONG DefaultMouseResolution = 3;
  30         ULONG DefaultMouseSynchIn100ns = 20000000;
  31         ULONG DefaultNumberOfButtons = 2;
  32         PCWSTR DefaultPointerDeviceBaseName = L"PointerPort";
  33         ULONG DefaultPollStatusIterations = 1;
  34         ULONG DefaultOverrideKeyboardType = 4;
  35         ULONG DefaultOverrideKeyboardSubtype = 0;
  36         ULONG DefaultPollingIterations = 12000;
  37         ULONG DefaultPollingIterationsMaximum = 12000;
  38         ULONG DefaultResendIterations = 0x3;
  39         ULONG DefaultSampleRate = 60;
  40         ULONG DefaultCrashOnCtrlScroll;
  41
  42         /* Default value for CrashOnCtrlScroll depends if we're
  43          * running a debug build or a normal build.
  44          */
  45 #if DBG
  46         DefaultCrashOnCtrlScroll = 1;
  47 #else
  48         DefaultCrashOnCtrlScroll = 0;
  49 #endif
  50
  51         RtlZeroMemory(Parameters, sizeof(Parameters));
  52
  53         Parameters[0].Flags = RTL_QUERY_REGISTRY_SUBKEY;
  54         Parameters[0].Name = L"Parameters";
  55
  56         Parameters[1].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
  57         Parameters[1].Name = L"KeyboardDataQueueSize";
  58         Parameters[1].EntryContext = &Settings->KeyboardDataQueueSize;
  59         Parameters[1].DefaultType = REG_DWORD;
  60         Parameters[1].DefaultData = &DefaultKeyboardDataQueueSize;
  61         Parameters[1].DefaultLength = sizeof(ULONG);
  62
  63         Parameters[2].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
  64         Parameters[2].Name = L"KeyboardDeviceBaseName";
  65         Parameters[2].EntryContext = &Settings->KeyboardDeviceBaseName;
  66         Parameters[2].DefaultType = REG_SZ;
  67         Parameters[2].DefaultData = (PVOID)DefaultKeyboardDeviceBaseName;
  68         Parameters[2].DefaultLength = 0;
  69
  70         Parameters[3].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
  71         Parameters[3].Name = L"MouseDataQueueSize";
  72         Parameters[3].EntryContext = &Settings->MouseDataQueueSize;
  73         Parameters[3].DefaultType = REG_DWORD;
  74         Parameters[3].DefaultData = &DefaultMouseDataQueueSize;
  75         Parameters[3].DefaultLength = sizeof(ULONG);
  76
  77         Parameters[4].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
  78         Parameters[4].Name = L"MouseResolution";
  79         Parameters[4].EntryContext = &Settings->MouseResolution;
  80         Parameters[4].DefaultType = REG_DWORD;
  81         Parameters[4].DefaultData = &DefaultMouseResolution;
  82         Parameters[4].DefaultLength = sizeof(ULONG);
  83
  84         Parameters[5].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
  85         Parameters[5].Name = L"MouseSynchIn100ns";
  86         Parameters[5].EntryContext = &Settings->MouseSynchIn100ns;
  87         Parameters[5].DefaultType = REG_DWORD;
  88         Parameters[5].DefaultData = &DefaultMouseSynchIn100ns;
  89         Parameters[5].DefaultLength = sizeof(ULONG);
  90
  91         Parameters[6].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
  92         Parameters[6].Name = L"NumberOfButtons";
  93         Parameters[6].EntryContext = &Settings->NumberOfButtons;
  94         Parameters[6].DefaultType = REG_DWORD;
  95         Parameters[6].DefaultData = &DefaultNumberOfButtons;
  96         Parameters[6].DefaultLength = sizeof(ULONG);
  97
  98         Parameters[7].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
  99         Parameters[7].Name = L"PointerDeviceBaseName";
 100         Parameters[7].EntryContext = &Settings->PointerDeviceBaseName;
 101         Parameters[7].DefaultType = REG_SZ;
 102         Parameters[7].DefaultData = (PVOID)DefaultPointerDeviceBaseName;
 103         Parameters[7].DefaultLength = 0;
 104
 105         Parameters[8].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
 106         Parameters[8].Name = L"PollStatusIterations";
 107         Parameters[8].EntryContext = &Settings->PollStatusIterations;
 108         Parameters[8].DefaultType = REG_DWORD;
 109         Parameters[8].DefaultData = &DefaultPollStatusIterations;
 110         Parameters[8].DefaultLength = sizeof(ULONG);
 111
 112         Parameters[9].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
 113         Parameters[9].Name = L"OverrideKeyboardType";
 114         Parameters[9].EntryContext = &Settings->OverrideKeyboardType;
 115         Parameters[9].DefaultType = REG_DWORD;
 116         Parameters[9].DefaultData = &DefaultOverrideKeyboardType;
 117         Parameters[9].DefaultLength = sizeof(ULONG);
 118
 119         Parameters[10].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
 120         Parameters[10].Name = L"OverrideKeyboardSubtype";
 121         Parameters[10].EntryContext = &Settings->OverrideKeyboardSubtype;
 122         Parameters[10].DefaultType = REG_DWORD;
 123         Parameters[10].DefaultData = &DefaultOverrideKeyboardSubtype;
 124         Parameters[10].DefaultLength = sizeof(ULONG);
 125
 126         Parameters[11].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
 127         Parameters[11].Name = L"PollingIterations";
 128         Parameters[11].EntryContext = &Settings->PollingIterations;
 129         Parameters[11].DefaultType = REG_DWORD;
 130         Parameters[11].DefaultData = &DefaultPollingIterations;
 131         Parameters[11].DefaultLength = sizeof(ULONG);
 132
 133         Parameters[12].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
 134         Parameters[12].Name = L"PollingIterationsMaximum";
 135         Parameters[12].EntryContext = &Settings->PollingIterationsMaximum;
 136         Parameters[12].DefaultType = REG_DWORD;
 137         Parameters[12].DefaultData = &DefaultPollingIterationsMaximum;
 138         Parameters[12].DefaultLength = sizeof(ULONG);
 139
 140         Parameters[13].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
 141         Parameters[13].Name = L"ResendIterations";
 142         Parameters[13].EntryContext = &Settings->ResendIterations;
 143         Parameters[13].DefaultType = REG_DWORD;
 144         Parameters[13].DefaultData = &DefaultResendIterations;
 145         Parameters[13].DefaultLength = sizeof(ULONG);
 146
 147         Parameters[14].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
 148         Parameters[14].Name = L"SampleRate";
 149         Parameters[14].EntryContext = &Settings->SampleRate;
 150         Parameters[14].DefaultType = REG_DWORD;
 151         Parameters[14].DefaultData = &DefaultSampleRate;
 152         Parameters[14].DefaultLength = sizeof(ULONG);
 153
 154         Parameters[15].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
 155         Parameters[15].Name = L"CrashOnCtrlScroll";
 156         Parameters[15].EntryContext = &Settings->CrashOnCtrlScroll;
 157         Parameters[15].DefaultType = REG_DWORD;
 158         Parameters[15].DefaultData = &DefaultCrashOnCtrlScroll;
 159         Parameters[15].DefaultLength = sizeof(ULONG);
 160
 161         Status = RtlQueryRegistryValues(
 162                 RTL_REGISTRY_ABSOLUTE,
 163                 RegistryPath->Buffer,
 164                 Parameters,
 165                 NULL,
 166                 NULL);
 167
 168         if (NT_SUCCESS(Status))
 169         {
 170                 /* Check values */
 171                 if (Settings->KeyboardDataQueueSize < 1)
 172                         Settings->KeyboardDataQueueSize = DefaultKeyboardDataQueueSize;
 173                 if (Settings->MouseDataQueueSize < 1)
 174                         Settings->MouseDataQueueSize = DefaultMouseDataQueueSize;
 175                 if (Settings->NumberOfButtons < 1)
 176                         Settings->NumberOfButtons = DefaultNumberOfButtons;
 177                 if (Settings->PollingIterations < 0x400)
 178                         Settings->PollingIterations = DefaultPollingIterations;
 179                 if (Settings->PollingIterationsMaximum < 0x400)
 180                         Settings->PollingIterationsMaximum = DefaultPollingIterationsMaximum;
 181                 if (Settings->ResendIterations < 1)
 182                         Settings->ResendIterations = DefaultResendIterations;
 183         }
 184         else if (Status == STATUS_OBJECT_NAME_NOT_FOUND)
 185         {
 186                 /* Registry path doesn't exist. Set defaults */
 187                 Settings->KeyboardDataQueueSize = DefaultKeyboardDataQueueSize;
 188                 Settings->MouseDataQueueSize = DefaultMouseDataQueueSize;
 189                 Settings->MouseResolution = DefaultMouseResolution;
 190                 Settings->MouseSynchIn100ns = DefaultMouseSynchIn100ns;
 191                 Settings->NumberOfButtons = DefaultNumberOfButtons;
 192                 Settings->PollStatusIterations = DefaultPollStatusIterations;
 193                 Settings->OverrideKeyboardType = DefaultOverrideKeyboardType;
 194                 Settings->OverrideKeyboardSubtype = DefaultOverrideKeyboardSubtype;
 195                 Settings->PollingIterations = DefaultPollingIterations;
 196                 Settings->PollingIterationsMaximum = DefaultPollingIterationsMaximum;
 197                 Settings->ResendIterations = DefaultResendIterations;
 198                 Settings->SampleRate = DefaultSampleRate;
 199                 Settings->CrashOnCtrlScroll = DefaultCrashOnCtrlScroll;
 200                 if (!RtlCreateUnicodeString(&Settings->KeyboardDeviceBaseName, DefaultKeyboardDeviceBaseName)
 201                  || !RtlCreateUnicodeString(&Settings->PointerDeviceBaseName, DefaultPointerDeviceBaseName))
 202                 {
 203                         WARN_(I8042PRT, "RtlCreateUnicodeString() failed\n");
 204                         Status = STATUS_NO_MEMORY;
 205                 }
 206                 else
 207                 {
 208                         Status = STATUS_SUCCESS;
 209                 }
 210         }
 211
 212         if (NT_SUCCESS(Status))
 213         {
 214                 INFO_(I8042PRT, "KeyboardDataQueueSize : 0x%lx\n", Settings->KeyboardDataQueueSize);
 215                 INFO_(I8042PRT, "KeyboardDeviceBaseName : %wZ\n", &Settings->KeyboardDeviceBaseName);
 216                 INFO_(I8042PRT, "MouseDataQueueSize : 0x%lx\n", Settings->MouseDataQueueSize);
 217                 INFO_(I8042PRT, "MouseResolution : 0x%lx\n", Settings->MouseResolution);
 218                 INFO_(I8042PRT, "MouseSynchIn100ns : %lu\n", Settings->MouseSynchIn100ns);
 219                 INFO_(I8042PRT, "NumberOfButtons : 0x%lx\n", Settings->NumberOfButtons);
 220                 INFO_(I8042PRT, "PointerDeviceBaseName : %wZ\n", &Settings->PointerDeviceBaseName);
 221                 INFO_(I8042PRT, "PollStatusIterations : 0x%lx\n", Settings->PollStatusIterations);
 222                 INFO_(I8042PRT, "OverrideKeyboardType : 0x%lx\n", Settings->OverrideKeyboardType);
 223                 INFO_(I8042PRT, "OverrideKeyboardSubtype : 0x%lx\n", Settings->OverrideKeyboardSubtype);
 224                 INFO_(I8042PRT, "PollingIterations : 0x%lx\n", Settings->PollingIterations);
 225                 INFO_(I8042PRT, "PollingIterationsMaximum : %lu\n", Settings->PollingIterationsMaximum);
 226                 INFO_(I8042PRT, "ResendIterations : 0x%lx\n", Settings->ResendIterations);
 227                 INFO_(I8042PRT, "SampleRate : %lu\n", Settings->SampleRate);
 228         }
 229
 230         return Status;
 231 }