dlls/hidclass.sys/hid.h

   1 /*
   2  * Copyright 2015 Aric Stewart
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "ntstatus.h"
  20 #define WIN32_NO_STATUS
  21 #include "windef.h"
  22 #include "winbase.h"
  23 #include "winternl.h"
  24 #include "winioctl.h"
  25 #include "ddk/wdm.h"
  26 #include "hidusage.h"
  27 #include "ddk/hidport.h"
  28 #include "ddk/hidclass.h"
  29 #include "ddk/hidpi.h"
  30 #include "ddk/hidpddi.h"
  31 #include "cfgmgr32.h"
  32 #include "wine/list.h"
  33 #include "wine/hid.h"
  34
  35 #define DEFAULT_POLL_INTERVAL 200
  36 #define MAX_POLL_INTERVAL_MSEC 10000
  37
  38 /* Ring buffer functions */
  39 struct ReportRingBuffer;
  40
  41 typedef struct _BASE_DEVICE_EXTENSION
  42 {
  43     union
  44     {
  45         struct
  46         {
  47             /* this must be the first member */
  48             HID_DEVICE_EXTENSION hid_ext;
  49
  50             DEVICE_OBJECT *child_pdo;
  51         } fdo;
  52
  53         struct
  54         {
  55             DEVICE_OBJECT *parent_fdo;
  56
  57             HID_COLLECTION_INFORMATION information;
  58             HIDP_DEVICE_DESC device_desc;
  59
  60             ULONG poll_interval;
  61             HANDLE halt_event;
  62             HANDLE thread;
  63             UINT32 rawinput_handle;
  64
  65             KSPIN_LOCK report_queues_lock;
  66             struct list report_queues;
  67
  68             UNICODE_STRING link_name;
  69
  70             KSPIN_LOCK irp_queue_lock;
  71             LIST_ENTRY irp_queue;
  72
  73             KSPIN_LOCK lock;
  74             BOOL removed;
  75
  76             BOOL is_mouse;
  77             UNICODE_STRING mouse_link_name;
  78             BOOL is_keyboard;
  79             UNICODE_STRING keyboard_link_name;
  80         } pdo;
  81     } u;
  82
  83     /* These are unique to the parent FDO, but stored in the children as well
  84      * for convenience. */
  85     WCHAR device_id[MAX_DEVICE_ID_LEN];
  86     WCHAR instance_id[MAX_DEVICE_ID_LEN];
  87     const GUID *class_guid;
  88
  89     BOOL is_fdo;
  90 } BASE_DEVICE_EXTENSION;
  91
  92 struct hid_report
  93 {
  94     LONG  ref;
  95     ULONG length;
  96     BYTE  buffer[1];
  97 };
  98
  99 struct hid_report_queue
 100 {
 101     struct list        entry;
 102     KSPIN_LOCK         lock;
 103     ULONG              length;
 104     ULONG              read_idx;
 105     ULONG              write_idx;
 106     struct hid_report *reports[512];
 107 };
 108
 109 typedef struct _minidriver
 110 {
 111     struct list entry;
 112
 113     HID_MINIDRIVER_REGISTRATION minidriver;
 114
 115     PDRIVER_UNLOAD DriverUnload;
 116
 117     PDRIVER_ADD_DEVICE AddDevice;
 118     PDRIVER_DISPATCH PNPDispatch;
 119 } minidriver;
 120
 121 void call_minidriver( ULONG code, DEVICE_OBJECT *device, void *in_buff, ULONG in_size,
 122                       void *out_buff, ULONG out_size, IO_STATUS_BLOCK *io ) DECLSPEC_HIDDEN;
 123
 124 /* Internal device functions */
 125 void HID_StartDeviceThread(DEVICE_OBJECT *device) DECLSPEC_HIDDEN;
 126
 127 IRP *pop_irp_from_queue(BASE_DEVICE_EXTENSION *ext) DECLSPEC_HIDDEN;
 128
 129 NTSTATUS WINAPI pdo_ioctl(DEVICE_OBJECT *device, IRP *irp) DECLSPEC_HIDDEN;
 130 NTSTATUS WINAPI pdo_read(DEVICE_OBJECT *device, IRP *irp) DECLSPEC_HIDDEN;
 131 NTSTATUS WINAPI pdo_write(DEVICE_OBJECT *device, IRP *irp) DECLSPEC_HIDDEN;
 132 NTSTATUS WINAPI pdo_create(DEVICE_OBJECT *device, IRP *irp) DECLSPEC_HIDDEN;
 133 NTSTATUS WINAPI pdo_close(DEVICE_OBJECT *device, IRP *irp) DECLSPEC_HIDDEN;