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/* $Id: PS2Dev.h $ */
/** @file
* PS/2 devices - Internal header file.
*/
/*
* Copyright (C) 2007-2019 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 VBOX_INCLUDED_SRC_Input_PS2Dev_h
#define VBOX_INCLUDED_SRC_Input_PS2Dev_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
/** The size of the PS2K/PS2M structure fillers.
* @note Must be at least as big as the real struct. Compile time assert
* makes sure this is so. */
#define PS2K_STRUCT_FILLER 512
#define PS2M_STRUCT_FILLER 512
/* Hide the internal structure. */
#if !(defined(IN_PS2K) || defined(VBOX_DEVICE_STRUCT_TESTCASE))
typedef struct PS2K
{
uint8_t abFiller[PS2K_STRUCT_FILLER];
} PS2K;
#endif
#if !(defined(IN_PS2M) || defined(VBOX_DEVICE_STRUCT_TESTCASE))
typedef struct PS2M
{
uint8_t abFiller[PS2M_STRUCT_FILLER];
} PS2M;
#endif
/* Internal PS/2 Keyboard interface. */
typedef struct PS2K *PPS2K;
int PS2KByteToKbd(PPS2K pThis, uint8_t cmd);
int PS2KByteFromKbd(PPS2K pThis, uint8_t *pVal);
int PS2KConstruct(PPS2K pThis, PPDMDEVINS pDevIns, void *pParent, int iInstance, PCFGMNODE pCfg);
int PS2KAttach(PPS2K pThis, PPDMDEVINS pDevIns, unsigned iLUN, uint32_t fFlags);
void PS2KReset(PPS2K pThis);
void PS2KRelocate(PPS2K pThis, RTGCINTPTR offDelta, PPDMDEVINS pDevIns);
void PS2KSaveState(PPS2K pThis, PSSMHANDLE pSSM);
int PS2KLoadState(PPS2K pThis, PSSMHANDLE pSSM, uint32_t uVersion);
int PS2KLoadDone(PPS2K pThis, PSSMHANDLE pSSM);
PS2K *KBDGetPS2KFromDevIns(PPDMDEVINS pDevIns);
/* Internal PS/2 Auxiliary device interface. */
typedef struct PS2M *PPS2M;
int PS2MByteToAux(PPS2M pThis, uint8_t cmd);
int PS2MByteFromAux(PPS2M pThis, uint8_t *pVal);
int PS2MConstruct(PPS2M pThis, PPDMDEVINS pDevIns, void *pParent, int iInstance);
int PS2MAttach(PPS2M pThis, PPDMDEVINS pDevIns, unsigned iLUN, uint32_t fFlags);
void PS2MReset(PPS2M pThis);
void PS2MRelocate(PPS2M pThis, RTGCINTPTR offDelta, PPDMDEVINS pDevIns);
void PS2MSaveState(PPS2M pThis, PSSMHANDLE pSSM);
int PS2MLoadState(PPS2M pThis, PSSMHANDLE pSSM, uint32_t uVersion);
void PS2MFixupState(PPS2M pThis, uint8_t u8State, uint8_t u8Rate, uint8_t u8Proto);
PS2M *KBDGetPS2MFromDevIns(PPDMDEVINS pDevIns);
/* Shared keyboard/aux internal interface. */
void KBCUpdateInterrupts(void *pKbc);
///@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 /* !VBOX_INCLUDED_SRC_Input_PS2Dev_h */
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