47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/*
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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 Distributed DMA emulation.
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*
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*
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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*
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* Copyright 2020 Miran Grca.
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*/
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#ifndef USB_H
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#define USB_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct usb_t {
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uint8_t uhci_io[32];
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uint8_t ohci_mmio[4096];
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uint16_t uhci_io_base;
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int uhci_enable;
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int ohci_enable;
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uint32_t ohci_mem_base;
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mem_mapping_t ohci_mmio_mapping;
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} usb_t;
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/* Global variables. */
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extern const device_t usb_device;
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/* Functions. */
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extern void uhci_update_io_mapping(usb_t *dev, uint8_t base_l, uint8_t base_h, int enable);
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extern void ohci_update_mem_mapping(usb_t *dev, uint8_t base1, uint8_t base2, uint8_t base3, int enable);
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#ifdef __cplusplus
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}
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#endif
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#endif /*USB_H*/
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