ca735a81b2
The LASIPS2 device named input gpio is soon to be connected to the port output IRQs. Add a new int_status field to LASIPS2State which is a bitmap representing the port input IRQ status which will be enabled in the next patch. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Tested-by: Helge Deller <deller@gmx.de> Acked-by: Helge Deller <deller@gmx.de> Message-Id: <20220712215251.7944-28-mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
/*
|
|
* 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"
|
|
#include "hw/input/ps2.h"
|
|
|
|
#define TYPE_LASIPS2_PORT "lasips2-port"
|
|
OBJECT_DECLARE_TYPE(LASIPS2Port, LASIPS2PortDeviceClass, LASIPS2_PORT)
|
|
|
|
struct LASIPS2PortDeviceClass {
|
|
DeviceClass parent;
|
|
|
|
DeviceRealize parent_realize;
|
|
};
|
|
|
|
typedef struct LASIPS2State LASIPS2State;
|
|
|
|
struct LASIPS2Port {
|
|
DeviceState parent_obj;
|
|
|
|
LASIPS2State *parent;
|
|
MemoryRegion reg;
|
|
PS2State *ps2dev;
|
|
uint8_t id;
|
|
uint8_t control;
|
|
uint8_t buf;
|
|
bool loopback_rbne;
|
|
bool birq;
|
|
qemu_irq irq;
|
|
};
|
|
|
|
#define TYPE_LASIPS2_KBD_PORT "lasips2-kbd-port"
|
|
OBJECT_DECLARE_SIMPLE_TYPE(LASIPS2KbdPort, LASIPS2_KBD_PORT)
|
|
|
|
struct LASIPS2KbdPort {
|
|
LASIPS2Port parent_obj;
|
|
};
|
|
|
|
#define TYPE_LASIPS2_MOUSE_PORT "lasips2-mouse-port"
|
|
OBJECT_DECLARE_SIMPLE_TYPE(LASIPS2MousePort, LASIPS2_MOUSE_PORT)
|
|
|
|
struct LASIPS2MousePort {
|
|
LASIPS2Port parent_obj;
|
|
};
|
|
|
|
struct LASIPS2State {
|
|
SysBusDevice parent_obj;
|
|
|
|
LASIPS2KbdPort kbd_port;
|
|
LASIPS2MousePort mouse_port;
|
|
uint8_t int_status;
|
|
qemu_irq irq;
|
|
};
|
|
|
|
#define TYPE_LASIPS2 "lasips2"
|
|
OBJECT_DECLARE_SIMPLE_TYPE(LASIPS2State, LASIPS2)
|
|
|
|
#endif /* HW_INPUT_LASIPS2_H */
|