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 "hw/input/adb.h"
  16#include "qom/object.h"
  17
  18
  19#define VIA_SIZE   0x2000
  20
  21/* VIA 1 */
  22#define VIA1_IRQ_ONE_SECOND_BIT CA2_INT_BIT
  23#define VIA1_IRQ_60HZ_BIT       CA1_INT_BIT
  24#define VIA1_IRQ_ADB_READY_BIT  SR_INT_BIT
  25#define VIA1_IRQ_ADB_DATA_BIT   CB2_INT_BIT
  26#define VIA1_IRQ_ADB_CLOCK_BIT  CB1_INT_BIT
  27
  28#define VIA1_IRQ_ONE_SECOND     BIT(VIA1_IRQ_ONE_SECOND_BIT)
  29#define VIA1_IRQ_60HZ           BIT(VIA1_IRQ_60HZ_BIT)
  30#define VIA1_IRQ_ADB_READY      BIT(VIA1_IRQ_ADB_READY_BIT)
  31#define VIA1_IRQ_ADB_DATA       BIT(VIA1_IRQ_ADB_DATA_BIT)
  32#define VIA1_IRQ_ADB_CLOCK      BIT(VIA1_IRQ_ADB_CLOCK_BIT)
  33
  34
  35#define TYPE_MOS6522_Q800_VIA1 "mos6522-q800-via1"
  36OBJECT_DECLARE_SIMPLE_TYPE(MOS6522Q800VIA1State, MOS6522_Q800_VIA1)
  37
  38struct MOS6522Q800VIA1State {
  39    /*< private >*/
  40    MOS6522State parent_obj;
  41
  42    MemoryRegion via_mem;
  43
  44    qemu_irq auxmode_irq;
  45    uint8_t last_b;
  46
  47    /* RTC */
  48    uint8_t PRAM[256];
  49    BlockBackend *blk;
  50    VMChangeStateEntry *vmstate;
  51
  52    uint32_t tick_offset;
  53
  54    uint8_t data_out;
  55    int data_out_cnt;
  56    uint8_t data_in;
  57    uint8_t data_in_cnt;
  58    uint8_t cmd;
  59    int wprotect;
  60    int alt;
  61
  62    /* ADB */
  63    ADBBusState adb_bus;
  64    qemu_irq adb_data_ready;
  65    int adb_data_in_size;
  66    int adb_data_in_index;
  67    int adb_data_out_index;
  68    uint8_t adb_data_in[128];
  69    uint8_t adb_data_out[16];
  70    uint8_t adb_autopoll_cmd;
  71
  72    /* external timers */
  73    QEMUTimer *one_second_timer;
  74    int64_t next_second;
  75    QEMUTimer *sixty_hz_timer;
  76    int64_t next_sixty_hz;
  77};
  78
  79
  80/* VIA 2 */
  81#define VIA2_IRQ_SCSI_DATA_BIT  CA2_INT_BIT
  82#define VIA2_IRQ_NUBUS_BIT      CA1_INT_BIT
  83#define VIA2_IRQ_SCSI_BIT       CB2_INT_BIT
  84#define VIA2_IRQ_ASC_BIT        CB1_INT_BIT
  85
  86#define VIA2_IRQ_SCSI_DATA      BIT(VIA2_IRQ_SCSI_DATA_BIT)
  87#define VIA2_IRQ_NUBUS          BIT(VIA2_IRQ_NUBUS_BIT)
  88#define VIA2_IRQ_UNUSED         BIT(VIA2_IRQ_SCSI_BIT)
  89#define VIA2_IRQ_SCSI           BIT(VIA2_IRQ_UNUSED_BIT)
  90#define VIA2_IRQ_ASC            BIT(VIA2_IRQ_ASC_BIT)
  91
  92#define VIA2_NUBUS_IRQ_NB       7
  93
  94#define VIA2_NUBUS_IRQ_9        0
  95#define VIA2_NUBUS_IRQ_A        1
  96#define VIA2_NUBUS_IRQ_B        2
  97#define VIA2_NUBUS_IRQ_C        3
  98#define VIA2_NUBUS_IRQ_D        4
  99#define VIA2_NUBUS_IRQ_E        5
 100#define VIA2_NUBUS_IRQ_INTVIDEO 6
 101
 102#define TYPE_MOS6522_Q800_VIA2 "mos6522-q800-via2"
 103OBJECT_DECLARE_SIMPLE_TYPE(MOS6522Q800VIA2State, MOS6522_Q800_VIA2)
 104
 105struct MOS6522Q800VIA2State {
 106    /*< private >*/
 107    MOS6522State parent_obj;
 108
 109    MemoryRegion via_mem;
 110};
 111
 112#endif
 113