3 * Copyright (c) 2011-2018 Laurent Vivier
5 * This work is licensed under the terms of the GNU GPL, version 2 or later.
6 * See the COPYING file in the top-level directory.
9 #ifndef HW_MISC_MAC_VIA_H
10 #define HW_MISC_MAC_VIA_H
12 #include "exec/memory.h"
13 #include "hw/sysbus.h"
14 #include "hw/misc/mos6522.h"
15 #include "qom/object.h"
19 #define VIA1_IRQ_ONE_SECOND_BIT 0
20 #define VIA1_IRQ_60HZ_BIT 1
21 #define VIA1_IRQ_ADB_READY_BIT 2
22 #define VIA1_IRQ_ADB_DATA_BIT 3
23 #define VIA1_IRQ_ADB_CLOCK_BIT 4
27 #define VIA1_IRQ_ONE_SECOND (1 << VIA1_IRQ_ONE_SECOND_BIT)
28 #define VIA1_IRQ_60HZ (1 << VIA1_IRQ_60HZ_BIT)
29 #define VIA1_IRQ_ADB_READY (1 << VIA1_IRQ_ADB_READY_BIT)
30 #define VIA1_IRQ_ADB_DATA (1 << VIA1_IRQ_ADB_DATA_BIT)
31 #define VIA1_IRQ_ADB_CLOCK (1 << VIA1_IRQ_ADB_CLOCK_BIT)
34 #define TYPE_MOS6522_Q800_VIA1 "mos6522-q800-via1"
35 OBJECT_DECLARE_SIMPLE_TYPE(MOS6522Q800VIA1State
, MOS6522_Q800_VIA1
)
37 struct MOS6522Q800VIA1State
{
39 MOS6522State parent_obj
;
41 qemu_irq irqs
[VIA1_IRQ_NB
];
46 QEMUTimer
*one_second_timer
;
48 QEMUTimer
*sixty_hz_timer
;
49 int64_t next_sixty_hz
;
54 #define VIA2_IRQ_SCSI_DATA_BIT 0
55 #define VIA2_IRQ_SLOT_BIT 1
56 #define VIA2_IRQ_UNUSED_BIT 2
57 #define VIA2_IRQ_SCSI_BIT 3
58 #define VIA2_IRQ_ASC_BIT 4
62 #define VIA2_IRQ_SCSI_DATA (1 << VIA2_IRQ_SCSI_DATA_BIT)
63 #define VIA2_IRQ_SLOT (1 << VIA2_IRQ_SLOT_BIT)
64 #define VIA2_IRQ_UNUSED (1 << VIA2_IRQ_SCSI_BIT)
65 #define VIA2_IRQ_SCSI (1 << VIA2_IRQ_UNUSED_BIT)
66 #define VIA2_IRQ_ASC (1 << VIA2_IRQ_ASC_BIT)
68 #define TYPE_MOS6522_Q800_VIA2 "mos6522-q800-via2"
69 OBJECT_DECLARE_SIMPLE_TYPE(MOS6522Q800VIA2State
, MOS6522_Q800_VIA2
)
71 struct MOS6522Q800VIA2State
{
73 MOS6522State parent_obj
;
77 #define TYPE_MAC_VIA "mac_via"
78 OBJECT_DECLARE_SIMPLE_TYPE(MacVIAState
, MAC_VIA
)
83 VMChangeStateEntry
*vmstate
;
91 MOS6522Q800VIA1State mos6522_via1
;
92 MOS6522Q800VIA2State mos6522_via2
;
108 qemu_irq adb_data_ready
;
109 int adb_data_in_size
;
110 int adb_data_in_index
;
111 int adb_data_out_index
;
112 uint8_t adb_data_in
[128];
113 uint8_t adb_data_out
[16];
114 uint8_t adb_autopoll_cmd
;