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/*
* QEMU LASI PS/2 emulation
*
* Copyright (c) 2019 Sven Schnelle
*
*/
/*
* QEMU interface:
* + sysbus MMIO region 0: MemoryRegion defining the LASI PS2 keyboard
* registers
* + sysbus MMIO region 1: MemoryRegion defining the LASI PS2 mouse
* registers
* + sysbus IRQ 0: LASI PS2 output irq
* + Named GPIO input "ps2-kbd-input-irq": set to 1 if the downstream PS2
* keyboard device has asserted its irq
* + Named GPIO input "ps2-mouse-input-irq": set to 1 if the downstream PS2
* mouse device has asserted its irq
*/
#ifndef HW_INPUT_LASIPS2_H
#define HW_INPUT_LASIPS2_H
#include "exec/hwaddr.h"
#include "hw/sysbus.h"
struct LASIPS2State;
typedef struct LASIPS2Port {
struct LASIPS2State *parent;
MemoryRegion reg;
void *dev;
uint8_t id;
uint8_t control;
uint8_t buf;
bool loopback_rbne;
bool irq;
} LASIPS2Port;
struct LASIPS2State {
SysBusDevice parent_obj;
LASIPS2Port kbd;
LASIPS2Port mouse;
qemu_irq irq;
};
#define TYPE_LASIPS2 "lasips2"
OBJECT_DECLARE_SIMPLE_TYPE(LASIPS2State, LASIPS2)
#endif /* HW_INPUT_LASIPS2_H */
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