include/wine/hid.h

   1 /*
   2  * Wine internal HID structures
   3  *
   4  * Copyright 2015 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 #ifndef __WINE_PARSE_H
  22 #define __WINE_PARSE_H
  23
  24 #define HID_MAGIC 0x8491759
  25
  26 typedef enum __WINE_ELEMENT_TYPE {
  27     UnknownElement = 0,
  28     ButtonElement,
  29     ValueElement,
  30 } WINE_ELEMENT_TYPE;
  31
  32 typedef struct __WINE_ELEMENT
  33 {
  34     WINE_ELEMENT_TYPE ElementType;
  35     UINT  valueStartBit;
  36     UINT  bitCount;
  37     union {
  38         HIDP_VALUE_CAPS value;
  39         HIDP_BUTTON_CAPS button;
  40     } caps;
  41 } WINE_HID_ELEMENT;
  42
  43 typedef struct __WINE_HID_REPORT
  44 {
  45     UCHAR reportID;
  46     DWORD bitSize;
  47     DWORD elementCount;
  48     DWORD elementIdx;
  49 } WINE_HID_REPORT;
  50
  51 typedef struct __WINE_HID_LINK_COLLECTION_NODE {
  52     USAGE  LinkUsage;
  53     USAGE  LinkUsagePage;
  54     USHORT Parent;
  55     USHORT NumberOfChildren;
  56     USHORT NextSibling;
  57     USHORT FirstChild;
  58     BYTE   CollectionType;
  59     BYTE   IsAlias;
  60 } WINE_HID_LINK_COLLECTION_NODE;
  61
  62 typedef struct __WINE_HIDP_PREPARSED_DATA
  63 {
  64     DWORD magic;
  65     DWORD dwSize;
  66     HIDP_CAPS caps;
  67
  68     DWORD elementOffset;
  69     DWORD nodesOffset;
  70     DWORD reportCount[3];
  71     BYTE reportIdx[3][256];
  72
  73     WINE_HID_REPORT reports[1];
  74 } WINE_HIDP_PREPARSED_DATA, *PWINE_HIDP_PREPARSED_DATA;
  75
  76 #define HID_INPUT_REPORTS(d) ((d)->reports)
  77 #define HID_OUTPUT_REPORTS(d) ((d)->reports + (d)->reportCount[0])
  78 #define HID_FEATURE_REPORTS(d) ((d)->reports + (d)->reportCount[0] + (d)->reportCount[1])
  79 #define HID_ELEMS(d) ((WINE_HID_ELEMENT*)((BYTE*)(d) + (d)->elementOffset))
  80 #define HID_NODES(d) ((WINE_HID_LINK_COLLECTION_NODE*)((BYTE*)(d) + (d)->nodesOffset))
  81
  82 #endif /* __WINE_PARSE_H */