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https://github.com/reactos/reactos.git
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Another rewrite of the mouse detection code by Logan_V8_TT with minor changes by me to get it really working with my mouse. This version should solve the problem where the mouse wasn't moving and also the conflicts with serial port debugging.
svn path=/trunk/; revision=7806
This commit is contained in:
Filip Navara
parent
5844d90709
commit
cad98f04c0
1 changed files with 77 additions and 62 deletions
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@ -106,9 +106,9 @@ void ClearMouse(ULONG Port)
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unsigned int Restarts = 0, i;
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for (i = 0; i < 60000; i++)
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{
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unsigned Temp = READ_PORT_UCHAR((PUCHAR)Port);
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if (Temp != 0)
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{
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unsigned Temp = READ_PORT_UCHAR((PUCHAR)Port);
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if (Temp != 0)
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{
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Restarts++;
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if (Restarts < 300000)
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i = 0;
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@ -170,8 +170,8 @@ SerialMouseInterruptService(IN PKINTERRUPT Interrupt, PVOID ServiceContext)
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if (DeviceExtension->PacketBufferPosition == 3)
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{
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/* Retrieve change in x and y from packet */
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Input->LastX = (signed char)(PacketBuffer[1] | ((PacketBuffer[0] & 0x03) << 6));
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Input->LastY = (signed char)(PacketBuffer[2] | ((PacketBuffer[0] & 0x0c) << 4));
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Input->LastX = (signed char)(PacketBuffer[1] | ((PacketBuffer[0] & 0x03) << 6));
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Input->LastY = (signed char)(PacketBuffer[2] | ((PacketBuffer[0] & 0x0c) << 4));
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/* Determine the current state of the buttons */
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Input->RawButtons = (DeviceExtension->PreviousButtons & MOUSE_BUTTON_MIDDLE) |
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@ -300,8 +300,8 @@ SerialMouseInternalDeviceControl(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
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*(PMOUSE_ATTRIBUTES)Irp->AssociatedIrp.SystemBuffer =
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DeviceExtension->AttributesInformation;
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Irp->IoStatus.Information = sizeof(MOUSE_ATTRIBUTES);
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Status = STATUS_SUCCESS;
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} else {
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Status = STATUS_SUCCESS;
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} else {
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Status = STATUS_BUFFER_TOO_SMALL;
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}
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break;
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@ -354,86 +354,92 @@ SerialMouseDispatch(PDEVICE_OBJECT DeviceObject, PIRP Irp)
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Irp->IoStatus.Status = Status;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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}
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}
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return Status;
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}
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VOID SerialMouseIsrDpc(PKDPC Dpc, PDEVICE_OBJECT DeviceObject, PIRP Irp, PVOID Context)
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{
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PDEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
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ULONG Queue;
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PDEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
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ULONG Queue;
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Queue = DeviceExtension->ActiveQueue % 2;
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InterlockedIncrement(&DeviceExtension->ActiveQueue);
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(*(PSERVICE_CALLBACK_ROUTINE)DeviceExtension->ClassInformation.CallBack)(
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DeviceExtension->ClassInformation.DeviceObject,
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DeviceExtension->MouseInputData[Queue],
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NULL,
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&DeviceExtension->InputDataCount[Queue]);
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Queue = DeviceExtension->ActiveQueue % 2;
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InterlockedIncrement(&DeviceExtension->ActiveQueue);
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(*(PSERVICE_CALLBACK_ROUTINE)DeviceExtension->ClassInformation.CallBack)(
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DeviceExtension->ClassInformation.DeviceObject,
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DeviceExtension->MouseInputData[Queue],
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NULL,
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&DeviceExtension->InputDataCount[Queue]);
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DeviceExtension->InputDataCount[Queue] = 0;
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DeviceExtension->InputDataCount[Queue] = 0;
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}
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void InitializeSerialPort(ULONG Port, unsigned int LineControl)
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void InitializeSerialPort(ULONG Port)
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{
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WRITE_PORT_UCHAR((PUCHAR)Port + 3, 0x80); /* set DLAB on */
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WRITE_PORT_UCHAR((PUCHAR)Port, 0x60); /* speed LO byte */
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WRITE_PORT_UCHAR((PUCHAR)Port + 1, 0); /* speed HI byte */
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WRITE_PORT_UCHAR((PUCHAR)Port + 3, LineControl);
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WRITE_PORT_UCHAR((PUCHAR)Port + 1, 0); /* set comm and DLAB to 0 */
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ULONG LineControl;
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/* Read old value from line control register */
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LineControl = READ_PORT_UCHAR((PUCHAR)Port + 3);
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/* NOT SURE WHAT IS THIS SUPPOSED TO DO! */
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WRITE_PORT_UCHAR((PUCHAR)Port + 1, 0);
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WRITE_PORT_UCHAR((PUCHAR)Port + 2, 0);
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/* Set DLAB on */
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WRITE_PORT_UCHAR((PUCHAR)Port + 3, 0x80);
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/* Set serial port speed */
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WRITE_PORT_UCHAR((PUCHAR)Port, 0x60);
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WRITE_PORT_UCHAR((PUCHAR)Port + 1, 0);
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/* Set DLAB off and restore the old value of line control reg. */
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WRITE_PORT_UCHAR((PUCHAR)Port + 3, LineControl & ~0x80);
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WRITE_PORT_UCHAR((PUCHAR)Port + 4, 0x09); /* DR int enable */
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(void) READ_PORT_UCHAR((PUCHAR)Port + 5); /* clear error bits */
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KeStallExecutionProcessor(150000); /* Wait > 100 ms */
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}
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ULONG DetectMicrosoftMouse(ULONG Port)
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{
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/*
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* Detection method number two. CuteMouse (GPL DOS Mouse driver
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* cutemouse.sourceforge.net) assembler port to C by Logan_V8_TT
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*/
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CHAR Buffer[4];
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ULONG i;
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ULONG TimeOut = 250;
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UCHAR LineControl;
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/* Save original control */
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LineControl = READ_PORT_UCHAR((PUCHAR)Port + 4);
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ULONG i;
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UCHAR LCR, MCR;
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/* Inactivate RTS and set DTR */
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WRITE_PORT_UCHAR((PUCHAR)Port + 4, (LineControl & ~0x02) | 0x01);
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KeStallExecutionProcessor(150000); /* Wait > 100 ms */
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/* Save original LCR/MCR */
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LCR = READ_PORT_UCHAR((PUCHAR)Port + 3); /* LCR (line ctrl reg) */
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MCR = READ_PORT_UCHAR((PUCHAR)Port + 4); /* MCR (modem ctrl reg) */
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/* Clear buffer */
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/* Reset UART */
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WRITE_PORT_UCHAR((PUCHAR)Port + 4, 0); /* MCR: DTR/RTS/OUT2 off */
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WRITE_PORT_UCHAR((PUCHAR)Port + 2, 0); /* FCR: disable FIFO */
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KeStallExecutionProcessor(150000); /* Wait > 100 ms */
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/* Set communications parameters */
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InitializeSerialPort(Port);
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/* Enable DTR/RTS (OUT2 disabled) */
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WRITE_PORT_UCHAR((PUCHAR)Port + 4, 3);
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/* Discard serial buffer data */
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while (READ_PORT_UCHAR((PUCHAR)Port + 5) & 0x01)
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(void)READ_PORT_UCHAR((PUCHAR)Port);
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KeStallExecutionProcessor(100000); /* Wait */
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/*
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* Send modem control with 'Data Terminal Ready' and 'Request To Send'
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* message. This enables mouse to identify.
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*/
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WRITE_PORT_UCHAR((PUCHAR)Port + 4, 0x03);
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/* Wait 10 milliseconds for the mouse getting ready */
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KeStallExecutionProcessor(10000);
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/* Read first four bytes, which contains Microsoft Mouse signs */
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/* Read the data */
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for (i = 0; i < 4; i++)
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{
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while (((READ_PORT_UCHAR((PUCHAR)Port + 5) & 1) == 0) && (TimeOut > 0))
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{
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KeStallExecutionProcessor(1000);
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--TimeOut;
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if (TimeOut == 0)
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return MOUSE_TYPE_NONE;
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}
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Buffer[i] = READ_PORT_UCHAR((PUCHAR)Port);
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}
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/* Restore control */
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WRITE_PORT_UCHAR((PUCHAR)Port + 4, LineControl);
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/* Restore LCR/MCR */
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WRITE_PORT_UCHAR((PUCHAR)Port + 3, LCR); /* LCR (line ctrl reg) */
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WRITE_PORT_UCHAR((PUCHAR)Port + 4, MCR); /* MCR (modem ctrl reg) */
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/* Check that four bytes for signs */
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for (i = 0; i < 4; ++i)
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{
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/* Sign for Microsoft Ballpoint */
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if (Buffer[i] == 'B')
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if (Buffer[i] == 'B')
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{
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DbgPrint("Microsoft Ballpoint device detected");
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DbgPrint("THIS DEVICE IS NOT SUPPORTED, YET");
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@ -464,6 +470,7 @@ ULONG DetectMicrosoftMouse(ULONG Port)
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}
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return MOUSE_TYPE_NONE;
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}
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PDEVICE_OBJECT
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@ -541,16 +548,23 @@ InitializeMouse(ULONG Port, ULONG Irq, PDRIVER_OBJECT DriverObject)
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ULONG MouseType;
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/* Try to detect mouse on specified port */
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InitializeSerialPort(Port, 2);
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MouseType = DetectMicrosoftMouse(Port);
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/* Enable interrupts */
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WRITE_PORT_UCHAR((PUCHAR)(Port) + 1, 1);
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ClearMouse(Port);
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/* No mouse, no need to continue */
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if (MouseType == MOUSE_TYPE_NONE)
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{
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WRITE_PORT_UCHAR((PUCHAR)(Port) + 1, 1);
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InitializeSerialPort(Port);
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return FALSE;
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}
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/* Enable interrupts */
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WRITE_PORT_UCHAR((PUCHAR)(Port) + 1, 1);
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ClearMouse(Port);
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/* Enable RTS, DTR and OUT2 */
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WRITE_PORT_UCHAR((PUCHAR)Port + 4, 0x0b);
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/* Allocate new device */
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DeviceObject = AllocatePointerDevice(DriverObject);
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@ -559,6 +573,7 @@ InitializeMouse(ULONG Port, ULONG Irq, PDRIVER_OBJECT DriverObject)
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DbgPrint("Oops, couldn't creat device object.\n");
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return FALSE;
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}
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DeviceExtension = DeviceObject->DeviceExtension;
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/* Setup device extension structure */
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