dlls/hid/hidd.c

   1 /*
   2  * Human Input Devices
   3  *
   4  * Copyright (C) 2006 Kevin Koltzau
   5  * Copyright (C) 2015 Aric Stewart
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23
  24 #include <stdarg.h>
  25
  26 #include "wine/debug.h"
  27
  28 #define WIN32_NO_STATUS
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winternl.h"
  32 #include "winioctl.h"
  33 #include "ddk/wdm.h"
  34
  35 #include "hidusage.h"
  36 #include "ddk/hidclass.h"
  37 #include "ddk/hidpi.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(hid);
  40
  41 BOOLEAN WINAPI HidD_FreePreparsedData(PHIDP_PREPARSED_DATA PreparsedData)
  42 {
  43     TRACE("(%p)\n", PreparsedData);
  44     HeapFree(GetProcessHeap(), 0, PreparsedData);
  45     return TRUE;
  46 }
  47
  48 BOOLEAN WINAPI HidD_GetFeature(HANDLE HidDeviceObject, PVOID ReportBuffer, ULONG ReportBufferLength)
  49 {
  50     TRACE("(%p %p %u)\n", HidDeviceObject, ReportBuffer, ReportBufferLength);
  51     return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_FEATURE, NULL, 0, ReportBuffer, ReportBufferLength, NULL, NULL);
  52 }
  53
  54 void WINAPI HidD_GetHidGuid(LPGUID guid)
  55 {
  56     TRACE("(%p)\n", guid);
  57     *guid = GUID_DEVINTERFACE_HID;
  58 }
  59
  60 BOOLEAN WINAPI HidD_GetInputReport(HANDLE HidDeviceObject, PVOID ReportBuffer, ULONG ReportBufferLength)
  61 {
  62     TRACE("(%p %p %u) \n", HidDeviceObject, ReportBuffer, ReportBufferLength);
  63     return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_INPUT_REPORT, NULL, 0, ReportBuffer, ReportBufferLength, NULL, NULL);
  64 }
  65
  66 BOOLEAN WINAPI HidD_GetManufacturerString(HANDLE HidDeviceObject, PVOID Buffer, ULONG BufferLength)
  67 {
  68     TRACE("(%p %p %u) \n", HidDeviceObject, Buffer, BufferLength);
  69     return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_MANUFACTURER_STRING, NULL, 0, Buffer, BufferLength, NULL, NULL);
  70 }
  71
  72 BOOLEAN WINAPI HidD_SetFeature(HANDLE HidDeviceObject, PVOID ReportBuffer, ULONG ReportBufferLength)
  73 {
  74     TRACE("(%p %p %u)\n", HidDeviceObject, ReportBuffer, ReportBufferLength);
  75     return DeviceIoControl(HidDeviceObject, IOCTL_HID_SET_FEATURE, ReportBuffer, ReportBufferLength, NULL, 0, NULL, NULL);
  76 }
  77
  78 BOOLEAN WINAPI HidD_GetProductString(HANDLE HidDeviceObject, PVOID Buffer, ULONG BufferLength)
  79 {
  80     TRACE("(%p %p %u)\n", HidDeviceObject, Buffer, BufferLength);
  81     return DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_PRODUCT_STRING, NULL, 0, Buffer, BufferLength, NULL, NULL);
  82 }
  83
  84 BOOLEAN WINAPI HidD_GetPreparsedData(HANDLE HidDeviceObject, PHIDP_PREPARSED_DATA *PreparsedData)
  85 {
  86     HID_COLLECTION_INFORMATION info;
  87     PHIDP_PREPARSED_DATA data;
  88
  89     TRACE("(%p %p)\n", HidDeviceObject, PreparsedData);
  90
  91     if (!DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_COLLECTION_INFORMATION, NULL, 0,
  92                          &info, sizeof(HID_COLLECTION_INFORMATION), NULL, NULL))
  93         return FALSE;
  94
  95     if (!(data = HeapAlloc(GetProcessHeap(), 0, info.DescriptorSize))) return FALSE;
  96
  97     if (!DeviceIoControl(HidDeviceObject, IOCTL_HID_GET_COLLECTION_DESCRIPTOR, NULL, 0,
  98                          data, info.DescriptorSize, NULL, NULL))
  99     {
 100         HeapFree( GetProcessHeap(), 0, data );
 101         return FALSE;
 102     }
 103     *PreparsedData = data;
 104     return TRUE;
 105 }