[fireball] 13521: Some basics of driver wrapper - establish dispatch functions, a very basic AddDevice handler. Still stubs, but they will be filled with something very soon!

Some basics of driver wrapper - establish dispatch functions, a very
basic AddDevice handler. Still stubs, but they will be filled with
something very soon!
Modified: trunk/reactos/drivers/usb/cromwell/host/ohci_main.c
  _____

Modified: trunk/reactos/drivers/usb/cromwell/host/ohci_main.c
--- trunk/reactos/drivers/usb/cromwell/host/ohci_main.c	2005-02-12
23:27:27 UTC (rev 13520)
+++ trunk/reactos/drivers/usb/cromwell/host/ohci_main.c	2005-02-12
23:31:15 UTC (rev 13521)
@@ -4,13 +4,72 @@

*/

#include <ddk/ntddk.h>
+#include <debug.h>

+NTSTATUS AddDevice(PDRIVER_OBJECT DriverObject, PDEVICE_OBJECT pdo)
+{
+	PDEVICE_OBJECT fdo;
+	NTSTATUS Status;
+	WCHAR DeviceBuffer[20];
+	UNICODE_STRING DeviceName;

+	DbgPrint("ohci: AddDevice called\n");
+   
+	/* Create a unicode device name. */
+	swprintf(DeviceBuffer, L"\Device\usbohci");
+	RtlInitUnicodeString(&DeviceName, DeviceBuffer);
+
+
+	Status = IoCreateDevice(DriverObject, 0, &DeviceName,
FILE_DEVICE_VIDEO, 0, FALSE,&fdo);
+
+	if (!NT_SUCCESS(Status))
+	{
+		DPRINT("IoCreateDevice call failed with status
0x%08x\n", Status);
+		return Status;
+	}
+
+	return STATUS_SUCCESS;
+}
+
+VOID DriverUnload(PDRIVER_OBJECT DriverObject)
+{
+	// nothing to do here yet
+}
+
+// Dispatch PNP
+NTSTATUS DispatchPnp(PDEVICE_OBJECT fdo, PIRP Irp)
+{
+	ULONG fcn;
+	PIO_STACK_LOCATION stack;
+	
+	stack = IoGetCurrentIrpStackLocation(Irp);
+	fcn = stack->MinorFunction; 
+	DbgPrint("IRP_MJ_PNP, fcn=%d\n", fcn);
+
+	if (fcn == IRP_MN_REMOVE_DEVICE)
+	{
+		IoDeleteDevice(fdo);
+    }
+
+	return STATUS_SUCCESS;
+}
+
+NTSTATUS DispatchPower(PDEVICE_OBJECT fido, PIRP Irp)
+{
+	DbgPrint("IRP_MJ_POWER dispatch\n");
+	return STATUS_SUCCESS;
+}
+
 /*
  * Standard DriverEntry method.
  */
 NTSTATUS STDCALL
-DriverEntry(IN PVOID Context1, IN PVOID Context2)
+DriverEntry(IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegPath)
 {
+	DriverObject->DriverUnload = DriverUnload;
+	DriverObject->DriverExtension->AddDevice = AddDevice;
+	DriverObject->MajorFunction[IRP_MJ_PNP] = DispatchPnp;
+	DriverObject->MajorFunction[IRP_MJ_POWER] = DispatchPower;
+
    return STATUS_SUCCESS;
 }