LXR qemu/include/hw/misc/mac

   1/*
   2 *
   3 * Copyright (c) 2011-2018 Laurent Vivier
   4 *
   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.
   7 */
   8
   9#ifndef HW_MISC_MAC_VIA_H
  10#define HW_MISC_MAC_VIA_H
  11
  12#include "exec/memory.h"
  13#include "hw/sysbus.h"
  14#include "hw/misc/mos6522.h"
  15#include "qom/object.h"
  16
  17
  18#define VIA_SIZE   0x2000
  19
  20/* VIA 1 */
  21#define VIA1_IRQ_ONE_SECOND_BIT CA2_INT_BIT
  22#define VIA1_IRQ_60HZ_BIT       CA1_INT_BIT
  23#define VIA1_IRQ_ADB_READY_BIT  SR_INT_BIT
  24#define VIA1_IRQ_ADB_DATA_BIT   CB2_INT_BIT
  25#define VIA1_IRQ_ADB_CLOCK_BIT  CB1_INT_BIT
  26
  27#define VIA1_IRQ_ONE_SECOND     BIT(VIA1_IRQ_ONE_SECOND_BIT)
  28#define VIA1_IRQ_60HZ           BIT(VIA1_IRQ_60HZ_BIT)
  29#define VIA1_IRQ_ADB_READY      BIT(VIA1_IRQ_ADB_READY_BIT)
  30#define VIA1_IRQ_ADB_DATA       BIT(VIA1_IRQ_ADB_DATA_BIT)
  31#define VIA1_IRQ_ADB_CLOCK      BIT(VIA1_IRQ_ADB_CLOCK_BIT)
  32
  33
  34#define TYPE_MOS6522_Q800_VIA1 "mos6522-q800-via1"
  35OBJECT_DECLARE_SIMPLE_TYPE(MOS6522Q800VIA1State, MOS6522_Q800_VIA1)
  36
  37struct MOS6522Q800VIA1State {
  38    /*< private >*/
  39    MOS6522State parent_obj;
  40
  41    MemoryRegion via_mem;
  42
  43    qemu_irq auxmode_irq;
  44    uint8_t last_b;
  45
  46    /* RTC */
  47    uint8_t PRAM[256];
  48    BlockBackend *blk;
  49    VMChangeStateEntry *vmstate;
  50
  51    uint32_t tick_offset;
  52
  53    uint8_t data_out;
  54    int data_out_cnt;
  55    uint8_t data_in;
  56    uint8_t data_in_cnt;
  57    uint8_t cmd;
  58    int wprotect;
  59    int alt;
  60
  61    /* ADB */
  62    ADBBusState adb_bus;
  63    qemu_irq adb_data_ready;
  64    int adb_data_in_size;
  65    int adb_data_in_index;
  66    int adb_data_out_index;
  67    uint8_t adb_data_in[128];
  68    uint8_t adb_data_out[16];
  69    uint8_t adb_autopoll_cmd;
  70
  71    /* external timers */
  72    QEMUTimer *one_second_timer;
  73    int64_t next_second;
  74    QEMUTimer *sixty_hz_timer;
  75    int64_t next_sixty_hz;
  76};
  77
  78
  79/* VIA 2 */
  80#define VIA2_IRQ_SCSI_DATA_BIT  CA2_INT_BIT
  81#define VIA2_IRQ_NUBUS_BIT      CA1_INT_BIT
  82#define VIA2_IRQ_SCSI_BIT       CB2_INT_BIT
  83#define VIA2_IRQ_ASC_BIT        CB1_INT_BIT
  84
  85#define VIA2_IRQ_SCSI_DATA      BIT(VIA2_IRQ_SCSI_DATA_BIT)
  86#define VIA2_IRQ_NUBUS          BIT(VIA2_IRQ_NUBUS_BIT)
  87#define VIA2_IRQ_UNUSED         BIT(VIA2_IRQ_SCSI_BIT)
  88#define VIA2_IRQ_SCSI           BIT(VIA2_IRQ_UNUSED_BIT)
  89#define VIA2_IRQ_ASC            BIT(VIA2_IRQ_ASC_BIT)
  90
  91#define VIA2_NUBUS_IRQ_NB       7
  92
  93#define VIA2_NUBUS_IRQ_9        0
  94#define VIA2_NUBUS_IRQ_A        1
  95#define VIA2_NUBUS_IRQ_B        2
  96#define VIA2_NUBUS_IRQ_C        3
  97#define VIA2_NUBUS_IRQ_D        4
  98#define VIA2_NUBUS_IRQ_E        5
  99#define VIA2_NUBUS_IRQ_INTVIDEO 6
 100
 101#define TYPE_MOS6522_Q800_VIA2 "mos6522-q800-via2"
 102OBJECT_DECLARE_SIMPLE_TYPE(MOS6522Q800VIA2State, MOS6522_Q800_VIA2)
 103
 104struct MOS6522Q800VIA2State {
 105    /*< private >*/
 106    MOS6522State parent_obj;
 107
 108    MemoryRegion via_mem;
 109};
 110
 111#endif
 112