LXR qemu/hw/char/ipack.h

   1/*
   2 * QEMU IndustryPack emulation
   3 *
   4 * Copyright (C) 2012 Igalia, S.L.
   5 * Author: Alberto Garcia <agarcia@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.h"
  15
  16typedef struct IPackBus IPackBus;
  17
  18#define TYPE_IPACK_BUS "IndustryPack"
  19#define IPACK_BUS(obj) OBJECT_CHECK(IPackBus, (obj), TYPE_IPACK_BUS)
  20
  21struct IPackBus {
  22    BusState qbus;
  23    /* All fields are private */
  24    uint8_t n_slots;
  25    uint8_t free_slot;
  26    qemu_irq_handler set_irq;
  27};
  28
  29typedef struct IPackDevice IPackDevice;
  30typedef struct IPackDeviceClass IPackDeviceClass;
  31
  32#define TYPE_IPACK_DEVICE "ipack-device"
  33#define IPACK_DEVICE(obj) \
  34     OBJECT_CHECK(IPackDevice, (obj), TYPE_IPACK_DEVICE)
  35#define IPACK_DEVICE_CLASS(klass)                                        \
  36     OBJECT_CLASS_CHECK(IPackDeviceClass, (klass), TYPE_IPACK_DEVICE)
  37#define IPACK_DEVICE_GET_CLASS(obj) \
  38     OBJECT_GET_CLASS(IPackDeviceClass, (obj), TYPE_IPACK_DEVICE)
  39
  40struct IPackDeviceClass {
  41    DeviceClass parent_class;
  42
  43    int (*init)(IPackDevice *dev);
  44    int (*exit)(IPackDevice *dev);
  45
  46    uint16_t (*io_read)(IPackDevice *dev, uint8_t addr);
  47    void (*io_write)(IPackDevice *dev, uint8_t addr, uint16_t val);
  48
  49    uint16_t (*id_read)(IPackDevice *dev, uint8_t addr);
  50    void (*id_write)(IPackDevice *dev, uint8_t addr, uint16_t val);
  51
  52    uint16_t (*int_read)(IPackDevice *dev, uint8_t addr);
  53    void (*int_write)(IPackDevice *dev, uint8_t addr, uint16_t val);
  54
  55    uint16_t (*mem_read16)(IPackDevice *dev, uint32_t addr);
  56    void (*mem_write16)(IPackDevice *dev, uint32_t addr, uint16_t val);
  57
  58    uint8_t (*mem_read8)(IPackDevice *dev, uint32_t addr);
  59    void (*mem_write8)(IPackDevice *dev, uint32_t addr, uint8_t val);
  60};
  61
  62struct IPackDevice {
  63    DeviceState qdev;
  64    int32_t slot;
  65    /* IRQ objects for the IndustryPack INT0# and INT1# */
  66    qemu_irq *irq;
  67};
  68
  69extern const VMStateDescription vmstate_ipack_device;
  70
  71#define VMSTATE_IPACK_DEVICE(_field, _state)                            \
  72    VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice)
  73
  74IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot);
  75void ipack_bus_new_inplace(IPackBus *bus, DeviceState *parent,
  76                           const char *name, uint8_t n_slots,
  77                           qemu_irq_handler handler);
  78
  79#endif
  80