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
  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     /*< 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 typedef struct IPackDevice IPackDevice;
  32 typedef struct IPackDeviceClass IPackDeviceClass;
  33
  34 #define TYPE_IPACK_DEVICE "ipack-device"
  35 #define IPACK_DEVICE(obj) \
  36      OBJECT_CHECK(IPackDevice, (obj), TYPE_IPACK_DEVICE)
  37 #define IPACK_DEVICE_CLASS(klass)                                        \
  38      OBJECT_CLASS_CHECK(IPackDeviceClass, (klass), TYPE_IPACK_DEVICE)
  39 #define IPACK_DEVICE_GET_CLASS(obj) \
  40      OBJECT_GET_CLASS(IPackDeviceClass, (obj), TYPE_IPACK_DEVICE)
  41
  42 struct IPackDeviceClass {
  43     /*< private >*/
  44     DeviceClass parent_class;
  45     /*< public >*/
  46
  47     DeviceRealize realize;
  48     DeviceUnrealize unrealize;
  49
  50     uint16_t (*io_read)(IPackDevice *dev, uint8_t addr);
  51     void (*io_write)(IPackDevice *dev, uint8_t addr, uint16_t val);
  52
  53     uint16_t (*id_read)(IPackDevice *dev, uint8_t addr);
  54     void (*id_write)(IPackDevice *dev, uint8_t addr, uint16_t val);
  55
  56     uint16_t (*int_read)(IPackDevice *dev, uint8_t addr);
  57     void (*int_write)(IPackDevice *dev, uint8_t addr, uint16_t val);
  58
  59     uint16_t (*mem_read16)(IPackDevice *dev, uint32_t addr);
  60     void (*mem_write16)(IPackDevice *dev, uint32_t addr, uint16_t val);
  61
  62     uint8_t (*mem_read8)(IPackDevice *dev, uint32_t addr);
  63     void (*mem_write8)(IPackDevice *dev, uint32_t addr, uint8_t val);
  64 };
  65
  66 struct IPackDevice {
  67     /*< private >*/
  68     DeviceState parent_obj;
  69     /*< public >*/
  70
  71     int32_t slot;
  72     /* IRQ objects for the IndustryPack INT0# and INT1# */
  73     qemu_irq *irq;
  74 };
  75
  76 extern const VMStateDescription vmstate_ipack_device;
  77
  78 #define VMSTATE_IPACK_DEVICE(_field, _state)                            \
  79     VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice)
  80
  81 IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot);
  82 void ipack_bus_new_inplace(IPackBus *bus, size_t bus_size,
  83                            DeviceState *parent,
  84                            const char *name, uint8_t n_slots,
  85                            qemu_irq_handler handler);
  86
  87 #endif