44 lines
942 B
C
44 lines
942 B
C
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/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Definitions for the generic PIIX4-compatible SMBus host controller.
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*
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*
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*
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* Authors: RichardG, <richardg867@gmail.com>
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*
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* Copyright 2020 RichardG.
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*/
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#ifndef EMU_SMBUS_PIIX4_H
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# define EMU_SMBUS_PIIX4_H
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#define SMBUS_PIIX4_BLOCK_DATA_SIZE 32
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typedef struct
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{
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uint16_t io_base;
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uint8_t stat, next_stat, ctl, cmd, addr,
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data0, data1,
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index,
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data[SMBUS_PIIX4_BLOCK_DATA_SIZE];
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pc_timer_t response_timer;
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} smbus_piix4_t;
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extern void smbus_piix4_remap(smbus_piix4_t *dev, uint16_t new_io_base, uint8_t enable);
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#ifdef EMU_DEVICE_H
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extern const device_t piix4_smbus_device;
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#endif
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#endif /*EMU_SMBUS_PIIX4_H*/
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