hw/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
  16 typedef struct IPackBus IPackBus;
  17
  18 #define TYPE_IPACK_BUS "IndustryPack"
  19 #define IPACK_BUS(obj) OBJECT_CHECK(IPackBus, (obj), TYPE_IPACK_BUS)
  20
  21 struct 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
  29 typedef struct IPackDevice IPackDevice;
  30 typedef 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
  40 struct 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
  62 struct IPackDevice {
  63     DeviceState qdev;
  64     int32_t slot;
  65     /* IRQ objects for the IndustryPack INT0# and INT1# */
  66     qemu_irq *irq;
  67 };
  68
  69 extern const VMStateDescription vmstate_ipack_device;
  70
  71 #define VMSTATE_IPACK_DEVICE(_field, _state)                            \
  72     VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice)
  73
  74 IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot);
  75 void ipack_bus_new_inplace(IPackBus *bus, DeviceState *parent,
  76                            const char *name, uint8_t n_slots,
  77                            qemu_irq_handler handler);
  78
  79 #endif