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reactos/drivers/input/i8042prt/registry.c

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/*
* PROJECT: ReactOS i8042 (ps/2 keyboard-mouse controller) driver
* LICENSE: GPL - See COPYING in the top level directory
* FILE: drivers/input/i8042prt/i8042prt.c
* PURPOSE: Reading the registry
* PROGRAMMERS: Copyright Victor Kirhenshtein (sauros@iname.com)
Copyright Jason Filby (jasonfilby@yahoo.com)
Copyright Martijn Vernooij (o112w8r02@sneakemail.com)
Copyright 2006-2007 Hervé Poussineau (hpoussin@reactos.org)
*/
/* INCLUDES ******************************************************************/
#include "i8042prt.h"
#include <debug.h>
/* FUNCTIONS *****************************************************************/
NTSTATUS
ReadRegistryEntries(
IN PUNICODE_STRING RegistryPath,
OUT PI8042_SETTINGS Settings)
{
RTL_QUERY_REGISTRY_TABLE Parameters[17];
NTSTATUS Status;
ULONG DefaultKeyboardDataQueueSize = 0x64;
PCWSTR DefaultKeyboardDeviceBaseName = L"KeyboardPort";
ULONG DefaultMouseDataQueueSize = 0x64;
ULONG DefaultMouseResolution = 3;
ULONG DefaultMouseSynchIn100ns = 20000000;
ULONG DefaultNumberOfButtons = 2;
PCWSTR DefaultPointerDeviceBaseName = L"PointerPort";
ULONG DefaultPollStatusIterations = 1;
ULONG DefaultOverrideKeyboardType = 4;
ULONG DefaultOverrideKeyboardSubtype = 0;
ULONG DefaultPollingIterations = 12000;
ULONG DefaultPollingIterationsMaximum = 12000;
ULONG DefaultResendIterations = 0x3;
ULONG DefaultSampleRate = 60;
ULONG DefaultCrashOnCtrlScroll;
/* Default value for CrashOnCtrlScroll depends if we're
* running a debug build or a normal build.
*/
#if DBG
DefaultCrashOnCtrlScroll = 1;
#else
DefaultCrashOnCtrlScroll = 0;
#endif
RtlZeroMemory(Parameters, sizeof(Parameters));
Parameters[0].Flags = RTL_QUERY_REGISTRY_SUBKEY;
Parameters[0].Name = L"Parameters";
Parameters[1].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[1].Name = L"KeyboardDataQueueSize";
Parameters[1].EntryContext = &Settings->KeyboardDataQueueSize;
Parameters[1].DefaultType = REG_DWORD;
Parameters[1].DefaultData = &DefaultKeyboardDataQueueSize;
Parameters[1].DefaultLength = sizeof(ULONG);
Parameters[2].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[2].Name = L"KeyboardDeviceBaseName";
Parameters[2].EntryContext = &Settings->KeyboardDeviceBaseName;
Parameters[2].DefaultType = REG_SZ;
Parameters[2].DefaultData = (PVOID)DefaultKeyboardDeviceBaseName;
Parameters[2].DefaultLength = 0;
Parameters[3].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[3].Name = L"MouseDataQueueSize";
Parameters[3].EntryContext = &Settings->MouseDataQueueSize;
Parameters[3].DefaultType = REG_DWORD;
Parameters[3].DefaultData = &DefaultMouseDataQueueSize;
Parameters[3].DefaultLength = sizeof(ULONG);
Parameters[4].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[4].Name = L"MouseResolution";
Parameters[4].EntryContext = &Settings->MouseResolution;
Parameters[4].DefaultType = REG_DWORD;
Parameters[4].DefaultData = &DefaultMouseResolution;
Parameters[4].DefaultLength = sizeof(ULONG);
Parameters[5].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[5].Name = L"MouseSynchIn100ns";
Parameters[5].EntryContext = &Settings->MouseSynchIn100ns;
Parameters[5].DefaultType = REG_DWORD;
Parameters[5].DefaultData = &DefaultMouseSynchIn100ns;
Parameters[5].DefaultLength = sizeof(ULONG);
Parameters[6].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[6].Name = L"NumberOfButtons";
Parameters[6].EntryContext = &Settings->NumberOfButtons;
Parameters[6].DefaultType = REG_DWORD;
Parameters[6].DefaultData = &DefaultNumberOfButtons;
Parameters[6].DefaultLength = sizeof(ULONG);
Parameters[7].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[7].Name = L"PointerDeviceBaseName";
Parameters[7].EntryContext = &Settings->PointerDeviceBaseName;
Parameters[7].DefaultType = REG_SZ;
Parameters[7].DefaultData = (PVOID)DefaultPointerDeviceBaseName;
Parameters[7].DefaultLength = 0;
Parameters[8].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[8].Name = L"PollStatusIterations";
Parameters[8].EntryContext = &Settings->PollStatusIterations;
Parameters[8].DefaultType = REG_DWORD;
Parameters[8].DefaultData = &DefaultPollStatusIterations;
Parameters[8].DefaultLength = sizeof(ULONG);
Parameters[9].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[9].Name = L"OverrideKeyboardType";
Parameters[9].EntryContext = &Settings->OverrideKeyboardType;
Parameters[9].DefaultType = REG_DWORD;
Parameters[9].DefaultData = &DefaultOverrideKeyboardType;
Parameters[9].DefaultLength = sizeof(ULONG);
Parameters[10].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[10].Name = L"OverrideKeyboardSubtype";
Parameters[10].EntryContext = &Settings->OverrideKeyboardSubtype;
Parameters[10].DefaultType = REG_DWORD;
Parameters[10].DefaultData = &DefaultOverrideKeyboardSubtype;
Parameters[10].DefaultLength = sizeof(ULONG);
Parameters[11].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[11].Name = L"PollingIterations";
Parameters[11].EntryContext = &Settings->PollingIterations;
Parameters[11].DefaultType = REG_DWORD;
Parameters[11].DefaultData = &DefaultPollingIterations;
Parameters[11].DefaultLength = sizeof(ULONG);
Parameters[12].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[12].Name = L"PollingIterationsMaximum";
Parameters[12].EntryContext = &Settings->PollingIterationsMaximum;
Parameters[12].DefaultType = REG_DWORD;
Parameters[12].DefaultData = &DefaultPollingIterationsMaximum;
Parameters[12].DefaultLength = sizeof(ULONG);
Parameters[13].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[13].Name = L"ResendIterations";
Parameters[13].EntryContext = &Settings->ResendIterations;
Parameters[13].DefaultType = REG_DWORD;
Parameters[13].DefaultData = &DefaultResendIterations;
Parameters[13].DefaultLength = sizeof(ULONG);
Parameters[14].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[14].Name = L"SampleRate";
Parameters[14].EntryContext = &Settings->SampleRate;
Parameters[14].DefaultType = REG_DWORD;
Parameters[14].DefaultData = &DefaultSampleRate;
Parameters[14].DefaultLength = sizeof(ULONG);
Parameters[15].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_REGISTRY_OPTIONAL;
Parameters[15].Name = L"CrashOnCtrlScroll";
Parameters[15].EntryContext = &Settings->CrashOnCtrlScroll;
Parameters[15].DefaultType = REG_DWORD;
Parameters[15].DefaultData = &DefaultCrashOnCtrlScroll;
Parameters[15].DefaultLength = sizeof(ULONG);
Status = RtlQueryRegistryValues(
RTL_REGISTRY_ABSOLUTE,
RegistryPath->Buffer,
Parameters,
NULL,
NULL);
if (NT_SUCCESS(Status))
{
/* Check values */
if (Settings->KeyboardDataQueueSize < 1)
Settings->KeyboardDataQueueSize = DefaultKeyboardDataQueueSize;
if (Settings->MouseDataQueueSize < 1)
Settings->MouseDataQueueSize = DefaultMouseDataQueueSize;
if (Settings->NumberOfButtons < 1)
Settings->NumberOfButtons = DefaultNumberOfButtons;
if (Settings->PollingIterations < 0x400)
Settings->PollingIterations = DefaultPollingIterations;
if (Settings->PollingIterationsMaximum < 0x400)
Settings->PollingIterationsMaximum = DefaultPollingIterationsMaximum;
if (Settings->ResendIterations < 1)
Settings->ResendIterations = DefaultResendIterations;
}
else if (Status == STATUS_OBJECT_NAME_NOT_FOUND)
{
/* Registry path doesn't exist. Set defaults */
Settings->KeyboardDataQueueSize = DefaultKeyboardDataQueueSize;
Settings->MouseDataQueueSize = DefaultMouseDataQueueSize;
Settings->MouseResolution = DefaultMouseResolution;
Settings->MouseSynchIn100ns = DefaultMouseSynchIn100ns;
Settings->NumberOfButtons = DefaultNumberOfButtons;
Settings->PollStatusIterations = DefaultPollStatusIterations;
Settings->OverrideKeyboardType = DefaultOverrideKeyboardType;
Settings->OverrideKeyboardSubtype = DefaultOverrideKeyboardSubtype;
Settings->PollingIterations = DefaultPollingIterations;
Settings->PollingIterationsMaximum = DefaultPollingIterationsMaximum;
Settings->ResendIterations = DefaultResendIterations;
Settings->SampleRate = DefaultSampleRate;
Settings->CrashOnCtrlScroll = DefaultCrashOnCtrlScroll;
if (!RtlCreateUnicodeString(&Settings->KeyboardDeviceBaseName, DefaultKeyboardDeviceBaseName)
|| !RtlCreateUnicodeString(&Settings->PointerDeviceBaseName, DefaultPointerDeviceBaseName))
{
WARN_(I8042PRT, "RtlCreateUnicodeString() failed\n");
Status = STATUS_NO_MEMORY;
}
else
{
Status = STATUS_SUCCESS;
}
}
if (NT_SUCCESS(Status))
{
INFO_(I8042PRT, "KeyboardDataQueueSize : 0x%lx\n", Settings->KeyboardDataQueueSize);
INFO_(I8042PRT, "KeyboardDeviceBaseName : %wZ\n", &Settings->KeyboardDeviceBaseName);
INFO_(I8042PRT, "MouseDataQueueSize : 0x%lx\n", Settings->MouseDataQueueSize);
INFO_(I8042PRT, "MouseResolution : 0x%lx\n", Settings->MouseResolution);
INFO_(I8042PRT, "MouseSynchIn100ns : %lu\n", Settings->MouseSynchIn100ns);
INFO_(I8042PRT, "NumberOfButtons : 0x%lx\n", Settings->NumberOfButtons);
INFO_(I8042PRT, "PointerDeviceBaseName : %wZ\n", &Settings->PointerDeviceBaseName);
INFO_(I8042PRT, "PollStatusIterations : 0x%lx\n", Settings->PollStatusIterations);
INFO_(I8042PRT, "OverrideKeyboardType : 0x%lx\n", Settings->OverrideKeyboardType);
INFO_(I8042PRT, "OverrideKeyboardSubtype : 0x%lx\n", Settings->OverrideKeyboardSubtype);
INFO_(I8042PRT, "PollingIterations : 0x%lx\n", Settings->PollingIterations);
INFO_(I8042PRT, "PollingIterationsMaximum : %lu\n", Settings->PollingIterationsMaximum);
INFO_(I8042PRT, "ResendIterations : 0x%lx\n", Settings->ResendIterations);
INFO_(I8042PRT, "SampleRate : %lu\n", Settings->SampleRate);
}
return Status;
}
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