include/ddk/ntdd8042.h

   1 #ifndef _NTDD8042_
   2 #define _NTDD8042_
   3
   4 #define IOCTL_INTERNAL_I8042_HOOK_KEYBOARD  CTL_CODE(FILE_DEVICE_KEYBOARD, 0x0FF0, METHOD_NEITHER, FILE_ANY_ACCESS)
   5 #define IOCTL_INTERNAL_I8042_HOOK_MOUSE     CTL_CODE(FILE_DEVICE_MOUSE, 0x0FF0, METHOD_NEITHER, FILE_ANY_ACCESS)
   6
   7 typedef enum _KEYBOARD_SCAN_STATE {
   8     Normal,
   9     GotE0,
  10     GotE1
  11 } KEYBOARD_SCAN_STATE, *PKEYBOARD_SCAN_STATE;
  12
  13 typedef
  14 NTSTATUS
  15 (*PI8042_SYNCH_READ_PORT) (
  16     IN PVOID    Context,
  17     PUCHAR      Value,
  18     BOOLEAN     WaitForACK
  19     );
  20
  21 typedef
  22 NTSTATUS
  23 (*PI8042_SYNCH_WRITE_PORT) (
  24     IN PVOID    Context,
  25     UCHAR       Value,
  26     BOOLEAN     WaitForACK
  27     );
  28
  29 typedef enum _TRANSMIT_STATE {
  30     Idle = 0,
  31     SendingBytes
  32 } TRANSMIT_STATE;
  33
  34 typedef struct _OUTPUT_PACKET {
  35     PUCHAR         Bytes;
  36     ULONG          CurrentByte;
  37     ULONG          ByteCount;
  38     TRANSMIT_STATE State;
  39 } OUTPUT_PACKET, *POUTPUT_PACKET;
  40
  41 typedef
  42 NTSTATUS
  43 (*PI8042_KEYBOARD_INITIALIZATION_ROUTINE) (
  44     IN PVOID                           InitializationContext,
  45     IN PVOID                           SynchFuncContext,
  46     IN PI8042_SYNCH_READ_PORT          ReadPort,
  47     IN PI8042_SYNCH_WRITE_PORT         WritePort,
  48     OUT PBOOLEAN                       TurnTranslationOn
  49     );
  50
  51 typedef
  52 BOOLEAN
  53 (*PI8042_KEYBOARD_ISR) (
  54     PVOID                   IsrContext,
  55     PKEYBOARD_INPUT_DATA    CurrentInput,
  56     POUTPUT_PACKET          CurrentOutput,
  57     UCHAR                   StatusByte,
  58     PUCHAR                  Byte,
  59     PBOOLEAN                ContinueProcessing,
  60     PKEYBOARD_SCAN_STATE    ScanState
  61     );
  62
  63 typedef struct _INTERNAL_I8042_HOOK_KEYBOARD {
  64
  65     //
  66     // Context variable for all callback routines
  67     //
  68     PVOID Context;
  69
  70     //
  71     // Routine to call after the mouse is reset
  72     //
  73     PI8042_KEYBOARD_INITIALIZATION_ROUTINE InitializationRoutine;
  74
  75     //
  76     // Routine to call when a byte is received via the interrupt
  77     //
  78     PI8042_KEYBOARD_ISR IsrRoutine;
  79
  80     //
  81     // Write function
  82     //
  83  //UNIMPLEMENTED   PI8042_ISR_WRITE_PORT IsrWritePort;
  84
  85     //
  86     // Queue the current packet (ie the one passed into the isr callback hook)
  87     // to be reported to the class driver
  88     //
  89  //UNIMPLEMENTED  PI8042_QUEUE_PACKET QueueKeyboardPacket;
  90
  91     //
  92     // Context for IsrWritePort, QueueKeyboardPacket
  93     //
  94  //UNIMPLEMENTED  PVOID CallContext;
  95
  96 } INTERNAL_I8042_HOOK_KEYBOARD, *PINTERNAL_I8042_HOOK_KEYBOARD;
  97
  98 #endif                                  //_NTDD8042_