1 files changed, 117 insertions, 0 deletions
diff --git a/include/hw/misc/mac_via.h b/include/hw/misc/mac_via.h
new file mode 100644
index 000000000..b44556586
--- /dev/null
+++ b/include/hw/misc/mac_via.h
@@ -0,0 +1,117 @@
+/*
+ *
+ * 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"
+
+
+#define VIA_SIZE   0x2000
+
+/* VIA 1 */
+#define VIA1_IRQ_ONE_SECOND_BIT 0
+#define VIA1_IRQ_60HZ_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_60HZ           (1 << VIA1_IRQ_60HZ_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;
+
+    MemoryRegion via_mem;
+
+    qemu_irq irqs[VIA1_IRQ_NB];
+    qemu_irq auxmode_irq;
+    uint8_t last_b;
+
+    /* RTC */
+    uint8_t PRAM[256];
+    BlockBackend *blk;
+    VMChangeStateEntry *vmstate;
+
+    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;
+
+    /* 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;
+
+    /* external timers */
+    QEMUTimer *one_second_timer;
+    int64_t next_second;
+    QEMUTimer *sixty_hz_timer;
+    int64_t next_sixty_hz;
+};
+
+
+/* VIA 2 */
+#define VIA2_IRQ_SCSI_DATA_BIT  0
+#define VIA2_IRQ_NUBUS_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_NUBUS          (1 << VIA2_IRQ_NUBUS_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 VIA2_NUBUS_IRQ_NB       7
+
+#define VIA2_NUBUS_IRQ_9        0
+#define VIA2_NUBUS_IRQ_A        1
+#define VIA2_NUBUS_IRQ_B        2
+#define VIA2_NUBUS_IRQ_C        3
+#define VIA2_NUBUS_IRQ_D        4
+#define VIA2_NUBUS_IRQ_E        5
+#define VIA2_NUBUS_IRQ_INTVIDEO 6
+
+#define TYPE_MOS6522_Q800_VIA2 "mos6522-q800-via2"
+OBJECT_DECLARE_SIMPLE_TYPE(MOS6522Q800VIA2State, MOS6522_Q800_VIA2)
+
+struct MOS6522Q800VIA2State {
+    /*< private >*/
+    MOS6522State parent_obj;
+
+    MemoryRegion via_mem;
+};
+
+#endif