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 | |
41 | typedef 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 | |
51 | static void isa_ide_reset(DeviceState *d) |
52 | { |
53 | ISAIDEState *s = ISA_IDE(d); |
54 | |
55 | ide_bus_reset(&s->bus); |
56 | } |
57 | |
58 | static 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 | |
69 | static 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 | |
82 | ISADevice *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 | |
106 | static 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 | |
113 | static 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 | |
124 | static 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 | |
131 | static void isa_ide_register_types(void) |
132 | { |
133 | type_register_static(&isa_ide_info); |
134 | } |
135 | |
136 | type_init(isa_ide_register_types) |
137 | |