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 "cfgmgr32.h"
  31 #include "wine/list.h"
  32 #include "wine/hid.h"
  33
  34 #define DEFAULT_POLL_INTERVAL 200
  35 #define MAX_POLL_INTERVAL_MSEC 10000
  36
  37 /* Ring buffer functions */
  38 struct ReportRingBuffer;
  39
  40 typedef struct _BASE_DEVICE_EXTENSION
  41 {
  42     union
  43     {
  44         struct
  45         {
  46             /* this must be the first member */
  47             HID_DEVICE_EXTENSION hid_ext;
  48
  49             DEVICE_OBJECT *child_pdo;
  50         } fdo;
  51
  52         struct
  53         {
  54             DEVICE_OBJECT *parent_fdo;
  55
  56             HID_COLLECTION_INFORMATION information;
  57             WINE_HIDP_PREPARSED_DATA *preparsed_data;
  58
  59             ULONG poll_interval;
  60             struct ReportRingBuffer *ring_buffer;
  61             HANDLE halt_event;
  62             HANDLE thread;
  63             UINT32 rawinput_handle;
  64
  65             UNICODE_STRING link_name;
  66
  67             KSPIN_LOCK irp_queue_lock;
  68             LIST_ENTRY irp_queue;
  69
  70             BOOL is_mouse;
  71             UNICODE_STRING mouse_link_name;
  72         } pdo;
  73     } u;
  74
  75     /* These are unique to the parent FDO, but stored in the children as well
  76      * for convenience. */
  77     WCHAR device_id[MAX_DEVICE_ID_LEN];
  78     WCHAR instance_id[MAX_DEVICE_ID_LEN];
  79
  80     BOOL is_fdo;
  81 } BASE_DEVICE_EXTENSION;
  82
  83 void RingBuffer_Write(struct ReportRingBuffer *buffer, void *data) DECLSPEC_HIDDEN;
  84 UINT RingBuffer_AddPointer(struct ReportRingBuffer *buffer) DECLSPEC_HIDDEN;
  85 void RingBuffer_RemovePointer(struct ReportRingBuffer *ring, UINT index) DECLSPEC_HIDDEN;
  86 void RingBuffer_Read(struct ReportRingBuffer *ring, UINT index, void *output, UINT *size) DECLSPEC_HIDDEN;
  87 void RingBuffer_ReadNew(struct ReportRingBuffer *buffer, UINT index, void *output, UINT *size) DECLSPEC_HIDDEN;
  88 UINT RingBuffer_GetBufferSize(struct ReportRingBuffer *buffer) DECLSPEC_HIDDEN;
  89 UINT RingBuffer_GetSize(struct ReportRingBuffer *buffer) DECLSPEC_HIDDEN;
  90 void RingBuffer_Destroy(struct ReportRingBuffer *buffer) DECLSPEC_HIDDEN;
  91 struct ReportRingBuffer* RingBuffer_Create(UINT buffer_size) DECLSPEC_HIDDEN;
  92 NTSTATUS RingBuffer_SetSize(struct ReportRingBuffer *buffer, UINT size) DECLSPEC_HIDDEN;
  93
  94 typedef struct _minidriver
  95 {
  96     struct list entry;
  97
  98     HID_MINIDRIVER_REGISTRATION minidriver;
  99
 100     PDRIVER_UNLOAD DriverUnload;
 101
 102     PDRIVER_ADD_DEVICE AddDevice;
 103     PDRIVER_DISPATCH PNPDispatch;
 104 } minidriver;
 105
 106 NTSTATUS call_minidriver(ULONG code, DEVICE_OBJECT *device, void *in_buff, ULONG in_size, void *out_buff, ULONG out_size) DECLSPEC_HIDDEN;
 107
 108 /* Internal device functions */
 109 void HID_StartDeviceThread(DEVICE_OBJECT *device) DECLSPEC_HIDDEN;
 110
 111 IRP *pop_irp_from_queue(BASE_DEVICE_EXTENSION *ext) DECLSPEC_HIDDEN;
 112
 113 NTSTATUS WINAPI pdo_ioctl(DEVICE_OBJECT *device, IRP *irp) DECLSPEC_HIDDEN;
 114 NTSTATUS WINAPI pdo_read(DEVICE_OBJECT *device, IRP *irp) DECLSPEC_HIDDEN;
 115 NTSTATUS WINAPI pdo_write(DEVICE_OBJECT *device, IRP *irp) DECLSPEC_HIDDEN;
 116 NTSTATUS WINAPI pdo_create(DEVICE_OBJECT *device, IRP *irp) DECLSPEC_HIDDEN;
 117 NTSTATUS WINAPI pdo_close(DEVICE_OBJECT *device, IRP *irp) DECLSPEC_HIDDEN;
 118
 119 /* Parsing HID Report Descriptors into preparsed data */
 120 WINE_HIDP_PREPARSED_DATA* ParseDescriptor(BYTE *descriptor, unsigned int length) DECLSPEC_HIDDEN;