dlls/winehid.sys/main.c

   1 /*
   2  * WINE Hid minidriver
   3  *
   4  * Copyright 2016 Aric Stewart
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #define NONAMELESSUNION
  24
  25 #include "ntstatus.h"
  26 #define WIN32_NO_STATUS
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winternl.h"
  30 #include "winioctl.h"
  31 #include "ddk/wdm.h"
  32 #include "ddk/hidport.h"
  33 #include "wine/debug.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(hid);
  36
  37 static NTSTATUS WINAPI internal_ioctl(DEVICE_OBJECT *device, IRP *irp)
  38 {
  39     NTSTATUS status = irp->IoStatus.u.Status;
  40     IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation(irp);
  41     ULONG code = irpsp->Parameters.DeviceIoControl.IoControlCode;
  42
  43     switch (code)
  44     {
  45     case IOCTL_GET_PHYSICAL_DESCRIPTOR:
  46     case IOCTL_HID_ACTIVATE_DEVICE:
  47     case IOCTL_HID_DEACTIVATE_DEVICE:
  48     case IOCTL_HID_GET_INDEXED_STRING:
  49     case IOCTL_HID_GET_DEVICE_ATTRIBUTES:
  50     case IOCTL_HID_GET_DEVICE_DESCRIPTOR:
  51     case IOCTL_HID_GET_REPORT_DESCRIPTOR:
  52     case IOCTL_HID_GET_STRING:
  53     case IOCTL_HID_GET_INPUT_REPORT:
  54     case IOCTL_HID_READ_REPORT:
  55     case IOCTL_HID_SET_OUTPUT_REPORT:
  56     case IOCTL_HID_WRITE_REPORT:
  57     case IOCTL_HID_GET_FEATURE:
  58     case IOCTL_HID_SET_FEATURE:
  59         /* All these are handled by the lower level driver */
  60         IoSkipCurrentIrpStackLocation(irp);
  61         return IoCallDriver(((HID_DEVICE_EXTENSION *)device->DeviceExtension)->NextDeviceObject, irp);
  62
  63     default:
  64         FIXME("Unsupported ioctl %x (device=%x access=%x func=%x method=%x)\n",
  65               code, code >> 16, (code >> 14) & 3, (code >> 2) & 0xfff, code & 3);
  66         IoCompleteRequest(irp, IO_NO_INCREMENT);
  67         return status;
  68     }
  69 }
  70
  71 static NTSTATUS WINAPI driver_pnp(DEVICE_OBJECT *device, IRP *irp)
  72 {
  73     HID_DEVICE_EXTENSION *ext = device->DeviceExtension;
  74
  75     IoSkipCurrentIrpStackLocation(irp);
  76     return IoCallDriver(ext->NextDeviceObject, irp);
  77 }
  78
  79 static NTSTATUS WINAPI add_device(DRIVER_OBJECT *driver, DEVICE_OBJECT *device)
  80 {
  81     TRACE("(%p, %p)\n", driver, device);
  82     return STATUS_SUCCESS;
  83 }
  84
  85 NTSTATUS WINAPI DriverEntry(DRIVER_OBJECT *driver, UNICODE_STRING *path)
  86 {
  87     HID_MINIDRIVER_REGISTRATION registration;
  88
  89     TRACE("(%p, %s)\n", driver, debugstr_w(path->Buffer));
  90
  91     driver->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = internal_ioctl;
  92     driver->MajorFunction[IRP_MJ_PNP] = driver_pnp;
  93     driver->DriverExtension->AddDevice = add_device;
  94
  95     memset(&registration, 0, sizeof(registration));
  96     registration.DriverObject = driver;
  97     registration.RegistryPath = path;
  98     registration.DeviceExtensionSize = sizeof(HID_DEVICE_EXTENSION);
  99     registration.DevicesArePolled = FALSE;
 100
 101     return HidRegisterMinidriver(&registration);
 102 }