2 * QEMU IndustryPack emulation
4 * Copyright (C) 2012 Igalia, S.L.
5 * Author: Alberto Garcia <agarcia@igalia.com>
7 * This code is licensed under the GNU GPL v2 or (at your option) any
11 #include "qemu/osdep.h"
12 #include "hw/ipack/ipack.h"
14 IPackDevice
*ipack_device_find(IPackBus
*bus
, int32_t slot
)
18 QTAILQ_FOREACH(kid
, &BUS(bus
)->children
, sibling
) {
19 DeviceState
*qdev
= kid
->child
;
20 IPackDevice
*ip
= IPACK_DEVICE(qdev
);
21 if (ip
->slot
== slot
) {
28 void ipack_bus_new_inplace(IPackBus
*bus
, size_t bus_size
,
30 const char *name
, uint8_t n_slots
,
31 qemu_irq_handler handler
)
33 qbus_create_inplace(bus
, bus_size
, TYPE_IPACK_BUS
, parent
, name
);
34 bus
->n_slots
= n_slots
;
35 bus
->set_irq
= handler
;
38 static void ipack_device_realize(DeviceState
*dev
, Error
**errp
)
40 IPackDevice
*idev
= IPACK_DEVICE(dev
);
41 IPackBus
*bus
= IPACK_BUS(qdev_get_parent_bus(dev
));
42 IPackDeviceClass
*k
= IPACK_DEVICE_GET_CLASS(dev
);
45 idev
->slot
= bus
->free_slot
;
47 if (idev
->slot
>= bus
->n_slots
) {
48 error_setg(errp
, "Only %" PRIu8
" slots available.", bus
->n_slots
);
51 bus
->free_slot
= idev
->slot
+ 1;
53 idev
->irq
= qemu_allocate_irqs(bus
->set_irq
, idev
, 2);
55 k
->realize(dev
, errp
);
58 static void ipack_device_unrealize(DeviceState
*dev
, Error
**errp
)
60 IPackDevice
*idev
= IPACK_DEVICE(dev
);
61 IPackDeviceClass
*k
= IPACK_DEVICE_GET_CLASS(dev
);
65 k
->unrealize(dev
, &err
);
66 error_propagate(errp
, err
);
70 qemu_free_irqs(idev
->irq
, 2);
73 static Property ipack_device_props
[] = {
74 DEFINE_PROP_INT32("slot", IPackDevice
, slot
, -1),
75 DEFINE_PROP_END_OF_LIST()
78 static void ipack_device_class_init(ObjectClass
*klass
, void *data
)
80 DeviceClass
*k
= DEVICE_CLASS(klass
);
82 set_bit(DEVICE_CATEGORY_INPUT
, k
->categories
);
83 k
->bus_type
= TYPE_IPACK_BUS
;
84 k
->realize
= ipack_device_realize
;
85 k
->unrealize
= ipack_device_unrealize
;
86 k
->props
= ipack_device_props
;
89 const VMStateDescription vmstate_ipack_device
= {
90 .name
= "ipack_device",
92 .minimum_version_id
= 1,
93 .fields
= (VMStateField
[]) {
94 VMSTATE_INT32(slot
, IPackDevice
),
99 static const TypeInfo ipack_device_info
= {
100 .name
= TYPE_IPACK_DEVICE
,
101 .parent
= TYPE_DEVICE
,
102 .instance_size
= sizeof(IPackDevice
),
103 .class_size
= sizeof(IPackDeviceClass
),
104 .class_init
= ipack_device_class_init
,
108 static const TypeInfo ipack_bus_info
= {
109 .name
= TYPE_IPACK_BUS
,
111 .instance_size
= sizeof(IPackBus
),
114 static void ipack_register_types(void)
116 type_register_static(&ipack_device_info
);
117 type_register_static(&ipack_bus_info
);
120 type_init(ipack_register_types
)