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/*
*
* Copyright (c) 2011-2018 Laurent Vivier
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef HW_MISC_MAC_VIA_H
#define HW_MISC_MAC_VIA_H
#include "exec/memory.h"
#include "hw/sysbus.h"
#include "hw/misc/mos6522.h"
#include "qom/object.h"
/* VIA 1 */
#define VIA1_IRQ_ONE_SECOND_BIT 0
#define VIA1_IRQ_VBLANK_BIT 1
#define VIA1_IRQ_ADB_READY_BIT 2
#define VIA1_IRQ_ADB_DATA_BIT 3
#define VIA1_IRQ_ADB_CLOCK_BIT 4
#define VIA1_IRQ_NB 8
#define VIA1_IRQ_ONE_SECOND (1 << VIA1_IRQ_ONE_SECOND_BIT)
#define VIA1_IRQ_VBLANK (1 << VIA1_IRQ_VBLANK_BIT)
#define VIA1_IRQ_ADB_READY (1 << VIA1_IRQ_ADB_READY_BIT)
#define VIA1_IRQ_ADB_DATA (1 << VIA1_IRQ_ADB_DATA_BIT)
#define VIA1_IRQ_ADB_CLOCK (1 << VIA1_IRQ_ADB_CLOCK_BIT)
#define TYPE_MOS6522_Q800_VIA1 "mos6522-q800-via1"
OBJECT_DECLARE_SIMPLE_TYPE(MOS6522Q800VIA1State, MOS6522_Q800_VIA1)
struct MOS6522Q800VIA1State {
/*< private >*/
MOS6522State parent_obj;
qemu_irq irqs[VIA1_IRQ_NB];
uint8_t last_b;
uint8_t PRAM[256];
/* external timers */
QEMUTimer *one_second_timer;
int64_t next_second;
QEMUTimer *VBL_timer;
int64_t next_VBL;
};
/* VIA 2 */
#define VIA2_IRQ_SCSI_DATA_BIT 0
#define VIA2_IRQ_SLOT_BIT 1
#define VIA2_IRQ_UNUSED_BIT 2
#define VIA2_IRQ_SCSI_BIT 3
#define VIA2_IRQ_ASC_BIT 4
#define VIA2_IRQ_NB 8
#define VIA2_IRQ_SCSI_DATA (1 << VIA2_IRQ_SCSI_DATA_BIT)
#define VIA2_IRQ_SLOT (1 << VIA2_IRQ_SLOT_BIT)
#define VIA2_IRQ_UNUSED (1 << VIA2_IRQ_SCSI_BIT)
#define VIA2_IRQ_SCSI (1 << VIA2_IRQ_UNUSED_BIT)
#define VIA2_IRQ_ASC (1 << VIA2_IRQ_ASC_BIT)
#define TYPE_MOS6522_Q800_VIA2 "mos6522-q800-via2"
OBJECT_DECLARE_SIMPLE_TYPE(MOS6522Q800VIA2State, MOS6522_Q800_VIA2)
struct MOS6522Q800VIA2State {
/*< private >*/
MOS6522State parent_obj;
};
#define TYPE_MAC_VIA "mac_via"
OBJECT_DECLARE_SIMPLE_TYPE(MacVIAState, MAC_VIA)
struct MacVIAState {
SysBusDevice busdev;
VMChangeStateEntry *vmstate;
/* MMIO */
MemoryRegion mmio;
MemoryRegion via1mem;
MemoryRegion via2mem;
/* VIAs */
MOS6522Q800VIA1State mos6522_via1;
MOS6522Q800VIA2State mos6522_via2;
/* RTC */
uint32_t tick_offset;
uint8_t data_out;
int data_out_cnt;
uint8_t data_in;
uint8_t data_in_cnt;
uint8_t cmd;
int wprotect;
int alt;
BlockBackend *blk;
/* ADB */
ADBBusState adb_bus;
qemu_irq adb_data_ready;
int adb_data_in_size;
int adb_data_in_index;
int adb_data_out_index;
uint8_t adb_data_in[128];
uint8_t adb_data_out[16];
uint8_t adb_autopoll_cmd;
};
#endif
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