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 0
  22#define VIA1_IRQ_60HZ_BIT       1
  23#define VIA1_IRQ_ADB_READY_BIT  2
  24#define VIA1_IRQ_ADB_DATA_BIT   3
  25#define VIA1_IRQ_ADB_CLOCK_BIT  4
  26
  27#define VIA1_IRQ_NB             8
  28
  29#define VIA1_IRQ_ONE_SECOND     (1 << VIA1_IRQ_ONE_SECOND_BIT)
  30#define VIA1_IRQ_60HZ           (1 << VIA1_IRQ_60HZ_BIT)
  31#define VIA1_IRQ_ADB_READY      (1 << VIA1_IRQ_ADB_READY_BIT)
  32#define VIA1_IRQ_ADB_DATA       (1 << VIA1_IRQ_ADB_DATA_BIT)
  33#define VIA1_IRQ_ADB_CLOCK      (1 << VIA1_IRQ_ADB_CLOCK_BIT)
  34
  35
  36#define TYPE_MOS6522_Q800_VIA1 "mos6522-q800-via1"
  37OBJECT_DECLARE_SIMPLE_TYPE(MOS6522Q800VIA1State, MOS6522_Q800_VIA1)
  38
  39struct MOS6522Q800VIA1State {
  40    /*< private >*/
  41    MOS6522State parent_obj;
  42
  43    MemoryRegion via_mem;
  44
  45    qemu_irq irqs[VIA1_IRQ_NB];
  46    qemu_irq auxmode_irq;
  47    uint8_t last_b;
  48
  49    /* RTC */
  50    uint8_t PRAM[256];
  51    BlockBackend *blk;
  52    VMChangeStateEntry *vmstate;
  53
  54    uint32_t tick_offset;
  55
  56    uint8_t data_out;
  57    int data_out_cnt;
  58    uint8_t data_in;
  59    uint8_t data_in_cnt;
  60    uint8_t cmd;
  61    int wprotect;
  62    int alt;
  63
  64    /* ADB */
  65    ADBBusState adb_bus;
  66    qemu_irq adb_data_ready;
  67    int adb_data_in_size;
  68    int adb_data_in_index;
  69    int adb_data_out_index;
  70    uint8_t adb_data_in[128];
  71    uint8_t adb_data_out[16];
  72    uint8_t adb_autopoll_cmd;
  73
  74    /* external timers */
  75    QEMUTimer *one_second_timer;
  76    int64_t next_second;
  77    QEMUTimer *sixty_hz_timer;
  78    int64_t next_sixty_hz;
  79};
  80
  81
  82/* VIA 2 */
  83#define VIA2_IRQ_SCSI_DATA_BIT  0
  84#define VIA2_IRQ_NUBUS_BIT      1
  85#define VIA2_IRQ_UNUSED_BIT     2
  86#define VIA2_IRQ_SCSI_BIT       3
  87#define VIA2_IRQ_ASC_BIT        4
  88
  89#define VIA2_IRQ_NB             8
  90
  91#define VIA2_IRQ_SCSI_DATA      (1 << VIA2_IRQ_SCSI_DATA_BIT)
  92#define VIA2_IRQ_NUBUS          (1 << VIA2_IRQ_NUBUS_BIT)
  93#define VIA2_IRQ_UNUSED         (1 << VIA2_IRQ_SCSI_BIT)
  94#define VIA2_IRQ_SCSI           (1 << VIA2_IRQ_UNUSED_BIT)
  95#define VIA2_IRQ_ASC            (1 << VIA2_IRQ_ASC_BIT)
  96
  97#define VIA2_NUBUS_IRQ_NB       7
  98
  99#define VIA2_NUBUS_IRQ_9        0
 100#define VIA2_NUBUS_IRQ_A        1
 101#define VIA2_NUBUS_IRQ_B        2
 102#define VIA2_NUBUS_IRQ_C        3
 103#define VIA2_NUBUS_IRQ_D        4
 104#define VIA2_NUBUS_IRQ_E        5
 105#define VIA2_NUBUS_IRQ_INTVIDEO 6
 106
 107#define TYPE_MOS6522_Q800_VIA2 "mos6522-q800-via2"
 108OBJECT_DECLARE_SIMPLE_TYPE(MOS6522Q800VIA2State, MOS6522_Q800_VIA2)
 109
 110struct MOS6522Q800VIA2State {
 111    /*< private >*/
 112    MOS6522State parent_obj;
 113
 114    MemoryRegion via_mem;
 115};
 116
 117#endif
 118