qemu-e2k/hw/char/ipack.h

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/*
* QEMU IndustryPack emulation
*
* Copyright (C) 2012 Igalia, S.L.
* Author: Alberto Garcia <agarcia@igalia.com>
*
* This code is licensed under the GNU GPL v2 or (at your option) any
* later version.
*/
#ifndef QEMU_IPACK_H
#define QEMU_IPACK_H
#include "hw/qdev.h"
typedef struct IPackBus IPackBus;
#define TYPE_IPACK_BUS "IndustryPack"
#define IPACK_BUS(obj) OBJECT_CHECK(IPackBus, (obj), TYPE_IPACK_BUS)
struct IPackBus {
BusState qbus;
/* All fields are private */
uint8_t n_slots;
uint8_t free_slot;
qemu_irq_handler set_irq;
};
typedef struct IPackDevice IPackDevice;
typedef struct IPackDeviceClass IPackDeviceClass;
#define TYPE_IPACK_DEVICE "ipack-device"
#define IPACK_DEVICE(obj) \
OBJECT_CHECK(IPackDevice, (obj), TYPE_IPACK_DEVICE)
#define IPACK_DEVICE_CLASS(klass) \
OBJECT_CLASS_CHECK(IPackDeviceClass, (klass), TYPE_IPACK_DEVICE)
#define IPACK_DEVICE_GET_CLASS(obj) \
OBJECT_GET_CLASS(IPackDeviceClass, (obj), TYPE_IPACK_DEVICE)
struct IPackDeviceClass {
DeviceClass parent_class;
int (*init)(IPackDevice *dev);
int (*exit)(IPackDevice *dev);
uint16_t (*io_read)(IPackDevice *dev, uint8_t addr);
void (*io_write)(IPackDevice *dev, uint8_t addr, uint16_t val);
uint16_t (*id_read)(IPackDevice *dev, uint8_t addr);
void (*id_write)(IPackDevice *dev, uint8_t addr, uint16_t val);
uint16_t (*int_read)(IPackDevice *dev, uint8_t addr);
void (*int_write)(IPackDevice *dev, uint8_t addr, uint16_t val);
uint16_t (*mem_read16)(IPackDevice *dev, uint32_t addr);
void (*mem_write16)(IPackDevice *dev, uint32_t addr, uint16_t val);
uint8_t (*mem_read8)(IPackDevice *dev, uint32_t addr);
void (*mem_write8)(IPackDevice *dev, uint32_t addr, uint8_t val);
};
struct IPackDevice {
DeviceState qdev;
int32_t slot;
/* IRQ objects for the IndustryPack INT0# and INT1# */
qemu_irq *irq;
};
extern const VMStateDescription vmstate_ipack_device;
#define VMSTATE_IPACK_DEVICE(_field, _state) \
VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice)
IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot);
void ipack_bus_new_inplace(IPackBus *bus, size_t bus_size,
DeviceState *parent,
const char *name, uint8_t n_slots,
qemu_irq_handler handler);
#endif