lib/drivers/libusb/libusb.cpp

   1 /*
   2  * PROJECT:     ReactOS Universal Serial Bus Bulk Driver Library
   3  * LICENSE:     GPL - See COPYING in the top level directory
   4  * FILE:        lib/drivers/libusb/libusb.cpp
   5  * PURPOSE:     USB Common Driver Library.
   6  * PROGRAMMERS:
   7  *              Michael Martin (michael.martin@reactos.org)
   8  *              Johannes Anderwald (johannes.anderwald@reactos.org)
   9  */
  10
  11
  12 #include "libusb.h"
  13
  14 //
  15 // driver verifier
  16 //
  17 DRIVER_ADD_DEVICE USBLIB_AddDevice;
  18
  19 extern
  20 "C"
  21 {
  22 NTSTATUS
  23 NTAPI
  24 USBLIB_AddDevice(
  25     PDRIVER_OBJECT DriverObject,
  26     PDEVICE_OBJECT PhysicalDeviceObject)
  27 {
  28     NTSTATUS Status;
  29     PHCDCONTROLLER HcdController;
  30
  31     DPRINT1("USBLIB_AddDevice\n");
  32
  33     /* first create the controller object */
  34     Status = CreateHCDController(&HcdController);
  35     if (!NT_SUCCESS(Status))
  36     {
  37         /* failed to create hcd */
  38         DPRINT1("AddDevice: Failed to create hcd with %x\n", Status);
  39         return Status;
  40     }
  41
  42     /* initialize the hcd */
  43     Status = HcdController->Initialize(NULL, // FIXME
  44                                        DriverObject,
  45                                        PhysicalDeviceObject);
  46
  47     /* check for success */
  48     if (!NT_SUCCESS(Status))
  49     {
  50         /* failed to initialize device */
  51         DPRINT1("AddDevice: failed to initialize\n");
  52
  53         /* release object */
  54         HcdController->Release();
  55     }
  56
  57     return Status;
  58
  59 }
  60 }
  61
  62 extern
  63 "C"
  64 {
  65 NTSTATUS
  66 NTAPI
  67 USBLIB_Dispatch(
  68     PDEVICE_OBJECT DeviceObject,
  69     PIRP Irp)
  70 {
  71     PCOMMON_DEVICE_EXTENSION DeviceExtension;
  72     PIO_STACK_LOCATION IoStack;
  73     NTSTATUS Status;
  74
  75     //
  76     // get common device extension
  77     //
  78     DeviceExtension = (PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
  79
  80     //
  81     // get current stack location
  82     //
  83     IoStack = IoGetCurrentIrpStackLocation(Irp);
  84
  85     //
  86     // sanity checks
  87     //
  88     PC_ASSERT(DeviceExtension->Dispatcher);
  89
  90     switch(IoStack->MajorFunction)
  91     {
  92         case IRP_MJ_PNP:
  93         {
  94             //
  95             // dispatch pnp
  96             //
  97             return DeviceExtension->Dispatcher->HandlePnp(DeviceObject, Irp);
  98         }
  99
 100         case IRP_MJ_POWER:
 101         {
 102             //
 103             // dispatch pnp
 104             //
 105             return DeviceExtension->Dispatcher->HandlePower(DeviceObject, Irp);
 106         }
 107         case IRP_MJ_INTERNAL_DEVICE_CONTROL:
 108         case IRP_MJ_DEVICE_CONTROL:
 109         {
 110             //
 111             // dispatch pnp
 112             //
 113             return DeviceExtension->Dispatcher->HandleDeviceControl(DeviceObject, Irp);
 114         }
 115         default:
 116         {
 117             DPRINT1("USBLIB_Dispatch> Major %lu Minor %lu unhandeled\n", IoStack->MajorFunction, IoStack->MinorFunction);
 118             Status = STATUS_SUCCESS;
 119         }
 120     }
 121
 122     //
 123     // complete request
 124     //
 125     Irp->IoStatus.Information = 0;
 126     Irp->IoStatus.Status = Status;
 127     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 128
 129     return Status;
 130 }
 131 }