reactos/drivers/usb/usbehci/usbehci.c

   1 /*
   2  * PROJECT:     ReactOS Universal Serial Bus Bulk Enhanced Host Controller Interface
   3  * LICENSE:     GPL - See COPYING in the top level directory
   4  * FILE:        drivers/usb/usbehci/usbehci.c
   5  * PURPOSE:     USB EHCI device driver.
   6  * PROGRAMMERS:
   7  *              Michael Martin
   8  */
   9
  10 /* DEFINES *******************************************************************/
  11 #include "usbehci.h"
  12 #define NDEBUG
  13
  14 /* INCLUDES *******************************************************************/
  15 #include <debug.h>
  16
  17
  18 static NTSTATUS NTAPI
  19 IrpStub(PDEVICE_OBJECT DeviceObject, PIRP Irp)
  20 {
  21     NTSTATUS Status;
  22
  23     if (((PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->IsFdo)
  24     {
  25         DPRINT1("ehci: FDO stub for major function 0x%lx\n",
  26             IoGetCurrentIrpStackLocation(Irp)->MajorFunction);
  27         return ForwardIrpAndForget(DeviceObject, Irp);
  28     }
  29
  30     /* We are lower driver, So complete */
  31     DPRINT1("ehci: PDO stub for major function 0x%lx\n",
  32     IoGetCurrentIrpStackLocation(Irp)->MajorFunction);
  33
  34     Status = Irp->IoStatus.Status;
  35     IoCompleteRequest(Irp, IO_NO_INCREMENT);
  36     return Status;
  37 }
  38
  39 NTSTATUS NTAPI
  40 DispatchDeviceControl(PDEVICE_OBJECT DeviceObject, PIRP Irp)
  41 {
  42     DPRINT("DispatchDeviceControl\n");
  43     Irp->IoStatus.Information = 0;
  44     Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
  45
  46     IoCompleteRequest(Irp, IO_NO_INCREMENT);
  47     return STATUS_UNSUCCESSFUL;
  48 }
  49
  50 NTSTATUS NTAPI
  51 DispatchInternalDeviceControl(PDEVICE_OBJECT DeviceObject, PIRP Irp)
  52 {
  53     DPRINT("DispatchInternalDeviceControl\n");
  54     if (((PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->IsFdo)
  55         return IrpStub(DeviceObject, Irp);
  56     else
  57         return PdoDispatchInternalDeviceControl(DeviceObject, Irp);
  58 }
  59
  60 NTSTATUS NTAPI
  61 UsbEhciCleanup(PDEVICE_OBJECT DeviceObject, PIRP Irp)
  62 {
  63     DPRINT1("UsbEhciCleanup\n");
  64     Irp->IoStatus.Information = 0;
  65     Irp->IoStatus.Status = STATUS_SUCCESS;
  66
  67     IoCompleteRequest(Irp, IO_NO_INCREMENT);
  68     return STATUS_SUCCESS;
  69 }
  70
  71 NTSTATUS NTAPI
  72 UsbEhciCreate(PDEVICE_OBJECT DeviceObject, PIRP Irp)
  73 {
  74     DPRINT1("UsbEhciCreate\n");
  75     Irp->IoStatus.Information = 0;
  76     Irp->IoStatus.Status = STATUS_SUCCESS;
  77
  78     IoCompleteRequest(Irp, IO_NO_INCREMENT);
  79     return STATUS_SUCCESS;
  80 }
  81
  82 NTSTATUS NTAPI
  83 UsbEhciClose(PDEVICE_OBJECT DeviceObject, PIRP Irp)
  84 {
  85     DPRINT1("Close\n");
  86     Irp->IoStatus.Information = 0;
  87     Irp->IoStatus.Status = STATUS_SUCCESS;
  88
  89     IoCompleteRequest(Irp, IO_NO_INCREMENT);
  90     return STATUS_SUCCESS;
  91 }
  92
  93 VOID NTAPI
  94 DriverUnload(PDRIVER_OBJECT DriverObject)
  95 {
  96     DPRINT1("Unloading Driver\n");
  97     /* FIXME: Clean up */
  98 }
  99
 100 NTSTATUS NTAPI
 101 DispatchPnp(PDEVICE_OBJECT DeviceObject, PIRP Irp)
 102 {
 103     if (((PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->IsFdo)
 104         return FdoDispatchPnp(DeviceObject, Irp);
 105     else
 106         return PdoDispatchPnp(DeviceObject, Irp);
 107 }
 108
 109 NTSTATUS NTAPI
 110 DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
 111 {
 112     DPRINT1("Driver Entry %wZ!\n", RegistryPath);
 113
 114     DriverObject->DriverExtension->AddDevice = AddDevice;
 115
 116     DriverObject->MajorFunction[IRP_MJ_CREATE] = UsbEhciCreate;
 117     DriverObject->MajorFunction[IRP_MJ_CLOSE] = UsbEhciClose;
 118     DriverObject->MajorFunction[IRP_MJ_CLEANUP] = UsbEhciCleanup;
 119     DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = DispatchDeviceControl;
 120     DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = DispatchInternalDeviceControl;
 121     DriverObject->MajorFunction[IRP_MJ_PNP] = DispatchPnp;
 122
 123     DriverObject->DriverUnload = DriverUnload;
 124     DPRINT1("Driver entry done\n");
 125
 126     return STATUS_SUCCESS;
 127 }
 128