PS2Dev.h revision 2c985e439e07c807c1c16393a77de198e91b0daf
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync/** @file
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync * PS/2 devices - Internal header file.
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync */
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync/*
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync * Copyright (C) 2007-2012 Oracle Corporation
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync *
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync * available from http://www.virtualbox.org. This file is free software;
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync * you can redistribute it and/or modify it under the terms of the GNU
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync * General Public License (GPL) as published by the Free Software
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync */
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync#ifndef PS2DEV_H
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync#define PS2DEV_H
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync/* Must be at least as big as the real struct. */
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync#define PS2K_STRUCT_FILLER 768
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync/* Hide the internal structure. */
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync#ifndef IN_PS2K
2c985e439e07c807c1c16393a77de198e91b0dafvboxsynctypedef struct PS2K {
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync uint8_t abFiller[PS2K_STRUCT_FILLER];
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync} PS2K;
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync#endif
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync
2c985e439e07c807c1c16393a77de198e91b0dafvboxsynctypedef struct PS2K *PPS2K;
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync
2c985e439e07c807c1c16393a77de198e91b0dafvboxsyncint PS2KByteToKbd(PPS2K pThis, uint8_t cmd);
2c985e439e07c807c1c16393a77de198e91b0dafvboxsyncint PS2KByteFromKbd(PPS2K pThis, uint8_t *pVal);
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync
2c985e439e07c807c1c16393a77de198e91b0dafvboxsyncint PS2KConstruct(PPDMDEVINS pDevIns, PPS2K pThis, void *pParent, int iInstance);
2c985e439e07c807c1c16393a77de198e91b0dafvboxsyncint PS2KAttach(PPDMDEVINS pDevIns, PPS2K pThis, unsigned iLUN, uint32_t fFlags);
2c985e439e07c807c1c16393a77de198e91b0dafvboxsyncvoid PS2KReset(PPS2K pThis);
2c985e439e07c807c1c16393a77de198e91b0dafvboxsyncvoid PS2KRelocate(PPS2K pThis, RTGCINTPTR offDelta);
2c985e439e07c807c1c16393a77de198e91b0dafvboxsyncvoid PS2KSaveState(PSSMHANDLE pSSM, PPS2K pThis);
2c985e439e07c807c1c16393a77de198e91b0dafvboxsyncint PS2KLoadState(PSSMHANDLE pSSM, PPS2K pThis, uint32_t uVersion);
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync
2c985e439e07c807c1c16393a77de198e91b0dafvboxsyncvoid KBCUpdateInterrupts(void *pKbc);
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync
2c985e439e07c807c1c16393a77de198e91b0dafvboxsyncPS2K *GetPS2KFromDevIns(PPDMDEVINS pDevIns);
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync//@todo: This should live with the KBC implementation.
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync/** AT to PC scancode translator state. */
2c985e439e07c807c1c16393a77de198e91b0dafvboxsynctypedef enum {
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync XS_IDLE, /**< Starting state. */
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync XS_BREAK, /**< F0 break byte was received. */
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync XS_HIBIT /**< Break code still active. */
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync} xlat_state_t;
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync
2c985e439e07c807c1c16393a77de198e91b0dafvboxsyncxlat_state_t XlateAT2PC(xlat_state_t state, uint8_t scanIn, uint8_t *pScanOut);
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync
2c985e439e07c807c1c16393a77de198e91b0dafvboxsync#endif