LXR qemu/include/hw/ipack/ipack.h

   1/*
   2 * QEMU IndustryPack emulation
   3 *
   4 * Copyright (C) 2012 Igalia, S.L.
   5 * Author: Alberto Garcia <berto@igalia.com>
   6 *
   7 * This code is licensed under the GNU GPL v2 or (at your option) any
   8 * later version.
   9 */
  10
  11#ifndef QEMU_IPACK_H
  12#define QEMU_IPACK_H
  13
  14#include "hw/qdev-core.h"
  15#include "qom/object.h"
  16
  17
  18#define TYPE_IPACK_BUS "IndustryPack"
  19OBJECT_DECLARE_SIMPLE_TYPE(IPackBus, IPACK_BUS)
  20
  21struct IPackBus {
  22    /*< private >*/
  23    BusState parent_obj;
  24
  25    /* All fields are private */
  26    uint8_t n_slots;
  27    uint8_t free_slot;
  28    qemu_irq_handler set_irq;
  29};
  30
  31
  32#define TYPE_IPACK_DEVICE "ipack-device"
  33OBJECT_DECLARE_TYPE(IPackDevice, IPackDeviceClass,
  34                    IPACK_DEVICE)
  35
  36struct IPackDeviceClass {
  37    /*< private >*/
  38    DeviceClass parent_class;
  39    /*< public >*/
  40
  41    DeviceRealize realize;
  42    DeviceUnrealize unrealize;
  43
  44    uint16_t (*io_read)(IPackDevice *dev, uint8_t addr);
  45    void (*io_write)(IPackDevice *dev, uint8_t addr, uint16_t val);
  46
  47    uint16_t (*id_read)(IPackDevice *dev, uint8_t addr);
  48    void (*id_write)(IPackDevice *dev, uint8_t addr, uint16_t val);
  49
  50    uint16_t (*int_read)(IPackDevice *dev, uint8_t addr);
  51    void (*int_write)(IPackDevice *dev, uint8_t addr, uint16_t val);
  52
  53    uint16_t (*mem_read16)(IPackDevice *dev, uint32_t addr);
  54    void (*mem_write16)(IPackDevice *dev, uint32_t addr, uint16_t val);
  55
  56    uint8_t (*mem_read8)(IPackDevice *dev, uint32_t addr);
  57    void (*mem_write8)(IPackDevice *dev, uint32_t addr, uint8_t val);
  58};
  59
  60struct IPackDevice {
  61    /*< private >*/
  62    DeviceState parent_obj;
  63    /*< public >*/
  64
  65    int32_t slot;
  66    /* IRQ objects for the IndustryPack INT0# and INT1# */
  67    qemu_irq *irq;
  68};
  69
  70extern const VMStateDescription vmstate_ipack_device;
  71
  72#define VMSTATE_IPACK_DEVICE(_field, _state)                            \
  73    VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice)
  74
  75IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot);
  76void ipack_bus_init(IPackBus *bus, size_t bus_size,
  77                    DeviceState *parent,
  78                    uint8_t n_slots,
  79                    qemu_irq_handler handler);
  80
  81#endif
  82