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"
18 #define VIA1_IRQ_ONE_SECOND_BIT 0
19 #define VIA1_IRQ_VBLANK_BIT 1
20 #define VIA1_IRQ_ADB_READY_BIT 2
21 #define VIA1_IRQ_ADB_DATA_BIT 3
22 #define VIA1_IRQ_ADB_CLOCK_BIT 4
26 #define VIA1_IRQ_ONE_SECOND (1 << VIA1_IRQ_ONE_SECOND_BIT)
27 #define VIA1_IRQ_VBLANK (1 << VIA1_IRQ_VBLANK_BIT)
28 #define VIA1_IRQ_ADB_READY (1 << VIA1_IRQ_ADB_READY_BIT)
29 #define VIA1_IRQ_ADB_DATA (1 << VIA1_IRQ_ADB_DATA_BIT)
30 #define VIA1_IRQ_ADB_CLOCK (1 << VIA1_IRQ_ADB_CLOCK_BIT)
33 #define TYPE_MOS6522_Q800_VIA1 "mos6522-q800-via1"
34 #define MOS6522_Q800_VIA1(obj) OBJECT_CHECK(MOS6522Q800VIA1State, (obj), \
35 TYPE_MOS6522_Q800_VIA1)
37 typedef struct MOS6522Q800VIA1State
{
39 MOS6522State parent_obj
;
41 qemu_irq irqs
[VIA1_IRQ_NB
];
46 QEMUTimer
*one_second_timer
;
50 } MOS6522Q800VIA1State
;
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 #define MOS6522_Q800_VIA2(obj) OBJECT_CHECK(MOS6522Q800VIA2State, (obj), \
70 TYPE_MOS6522_Q800_VIA2)
72 typedef struct MOS6522Q800VIA2State
{
74 MOS6522State parent_obj
;
75 } MOS6522Q800VIA2State
;
78 #define TYPE_MAC_VIA "mac_via"
79 #define MAC_VIA(obj) OBJECT_CHECK(MacVIAState, (obj), TYPE_MAC_VIA)
81 typedef struct MacVIAState
{
84 VMChangeStateEntry
*vmstate
;
92 MOS6522Q800VIA1State mos6522_via1
;
93 MOS6522Q800VIA2State mos6522_via2
;
109 QEMUTimer
*adb_poll_timer
;
110 qemu_irq adb_data_ready
;
111 int adb_data_in_size
;
112 int adb_data_in_index
;
113 int adb_data_out_index
;
114 uint8_t adb_data_in
[128];
115 uint8_t adb_data_out
[16];