1/*
2 * QEMU IDE Emulation: ISA Bus support.
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 * Copyright (c) 2006 Openedhand Ltd.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25
26#include "qemu/osdep.h"
27#include "hw/isa/isa.h"
28#include "hw/qdev-properties.h"
29#include "migration/vmstate.h"
30#include "qemu/module.h"
31#include "sysemu/dma.h"
32
33#include "hw/ide/internal.h"
34
35/***********************************************************/
36/* ISA IDE definitions */
37
38#define TYPE_ISA_IDE "isa-ide"
39#define ISA_IDE(obj) OBJECT_CHECK(ISAIDEState, (obj), TYPE_ISA_IDE)
40
41typedef struct ISAIDEState {
42 ISADevice parent_obj;
43
44 IDEBus bus;
45 uint32_t iobase;
46 uint32_t iobase2;
47 uint32_t isairq;
48 qemu_irq irq;
49} ISAIDEState;
50
51static void isa_ide_reset(DeviceState *d)
52{
53 ISAIDEState *s = ISA_IDE(d);
54
55 ide_bus_reset(&s->bus);
56}
57
58static const VMStateDescription vmstate_ide_isa = {
59 .name = "isa-ide",
60 .version_id = 3,
61 .minimum_version_id = 0,
62 .fields = (VMStateField[]) {
63 VMSTATE_IDE_BUS(bus, ISAIDEState),
64 VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState),
65 VMSTATE_END_OF_LIST()
66 }
67};
68
69static void isa_ide_realizefn(DeviceState *dev, Error **errp)
70{
71 ISADevice *isadev = ISA_DEVICE(dev);
72 ISAIDEState *s = ISA_IDE(dev);
73
74 ide_bus_new(&s->bus, sizeof(s->bus), dev, 0, 2);
75 ide_init_ioport(&s->bus, isadev, s->iobase, s->iobase2);
76 isa_init_irq(isadev, &s->irq, s->isairq);
77 ide_init2(&s->bus, s->irq);
78 vmstate_register(dev, 0, &vmstate_ide_isa, s);
79 ide_register_restart_cb(&s->bus);
80}
81
82ISADevice *isa_ide_init(ISABus *bus, int iobase, int iobase2, int isairq,
83 DriveInfo *hd0, DriveInfo *hd1)
84{
85 DeviceState *dev;
86 ISADevice *isadev;
87 ISAIDEState *s;
88
89 isadev = isa_create(bus, TYPE_ISA_IDE);
90 dev = DEVICE(isadev);
91 qdev_prop_set_uint32(dev, "iobase", iobase);
92 qdev_prop_set_uint32(dev, "iobase2", iobase2);
93 qdev_prop_set_uint32(dev, "irq", isairq);
94 qdev_init_nofail(dev);
95
96 s = ISA_IDE(dev);
97 if (hd0) {
98 ide_create_drive(&s->bus, 0, hd0);
99 }
100 if (hd1) {
101 ide_create_drive(&s->bus, 1, hd1);
102 }
103 return isadev;
104}
105
106static Property isa_ide_properties[] = {
107 DEFINE_PROP_UINT32("iobase", ISAIDEState, iobase, 0x1f0),
108 DEFINE_PROP_UINT32("iobase2", ISAIDEState, iobase2, 0x3f6),
109 DEFINE_PROP_UINT32("irq", ISAIDEState, isairq, 14),
110 DEFINE_PROP_END_OF_LIST(),
111};
112
113static void isa_ide_class_initfn(ObjectClass *klass, void *data)
114{
115 DeviceClass *dc = DEVICE_CLASS(klass);
116
117 dc->realize = isa_ide_realizefn;
118 dc->fw_name = "ide";
119 dc->reset = isa_ide_reset;
120 dc->props = isa_ide_properties;
121 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
122}
123
124static const TypeInfo isa_ide_info = {
125 .name = TYPE_ISA_IDE,
126 .parent = TYPE_ISA_DEVICE,
127 .instance_size = sizeof(ISAIDEState),
128 .class_init = isa_ide_class_initfn,
129};
130
131static void isa_ide_register_types(void)
132{
133 type_register_static(&isa_ide_info);
134}
135
136type_init(isa_ide_register_types)
137