PS2Dev.h revision bb4f31aac6155757fe15ef9fe0bf843ed9a14441
/** @file
* PS/2 devices - Internal header file.
*/
/*
* Copyright (C) 2007-2012 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#ifndef PS2DEV_H
#define PS2DEV_H
/* Must be at least as big as the real struct. */
#define PS2K_STRUCT_FILLER 768
/* Hide the internal structure. */
#if !(defined(IN_PS2K) || defined(VBOX_DEVICE_STRUCT_TESTCASE))
typedef struct PS2K {
uint8_t abFiller[PS2K_STRUCT_FILLER];
} PS2K;
#endif
typedef struct PS2K *PPS2K;
int PS2KByteToKbd(PPS2K pThis, uint8_t cmd);
int PS2KByteFromKbd(PPS2K pThis, uint8_t *pVal);
int PS2KConstruct(PPDMDEVINS pDevIns, PPS2K pThis, void *pParent, int iInstance);
int PS2KAttach(PPDMDEVINS pDevIns, PPS2K pThis, unsigned iLUN, uint32_t fFlags);
void PS2KReset(PPS2K pThis);
void PS2KRelocate(PPS2K pThis, RTGCINTPTR offDelta);
void PS2KSaveState(PSSMHANDLE pSSM, PPS2K pThis);
int PS2KLoadState(PSSMHANDLE pSSM, PPS2K pThis, uint32_t uVersion);
void KBCUpdateInterrupts(void *pKbc);
PS2K *GetPS2KFromDevIns(PPDMDEVINS pDevIns);
//@todo: This should live with the KBC implementation.
/** AT to PC scancode translator state. */
typedef enum {
XS_IDLE, /**< Starting state. */
XS_BREAK, /**< F0 break byte was received. */
XS_HIBIT /**< Break code still active. */
} xlat_state_t;
int32_t XlateAT2PC(int32_t state, uint8_t scanIn, uint8_t *pScanOut);
#endif