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"
  19 OBJECT_DECLARE_SIMPLE_TYPE(IPackBus, 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
  32 #define TYPE_IPACK_DEVICE "ipack-device"
  33 OBJECT_DECLARE_TYPE(IPackDevice, IPackDeviceClass,
  34                     IPACK_DEVICE)
  35
  36 struct 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
  60 struct 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
  70 extern const VMStateDescription vmstate_ipack_device;
  71
  72 #define VMSTATE_IPACK_DEVICE(_field, _state)                            \
  73     VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice)
  74
  75 IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot);
  76 void 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