| 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/core/qdev-properties.h" |
| 29 | #include "migration/vmstate.h" |
| 30 | #include "qapi/error.h" |
| 31 | #include "qemu/module.h" |
| 32 | #include "system/dma.h" |
| 33 | |
| 34 | #include "hw/ide/isa.h" |
| 35 | #include "qom/object.h" |
| 36 | #include "ide-internal.h" |
| 37 | |
| 38 | /***********************************************************/ |
| 39 | /* ISA IDE definitions */ |
| 40 | |
| 41 | struct ISAIDEState { |
| 42 | ISADevice parent_obj; |
| 43 | |
| 44 | IDEBus bus; |
| 45 | uint32_t iobase; |
| 46 | uint32_t iobase2; |
| 47 | uint32_t irqnum; |
| 48 | }; |
| 49 | |
| 50 | static void isa_ide_reset(DeviceState *d) |
| 51 | { |
| 52 | ISAIDEState *s = ISA_IDE(d); |
| 53 | |
| 54 | ide_bus_reset(&s->bus, IDE_RESET_HARDWARE); |
| 55 | } |
| 56 | |
| 57 | static const VMStateDescription vmstate_ide_isa = { |
| 58 | .name = "isa-ide", |
| 59 | .version_id = 3, |
| 60 | .minimum_version_id = 0, |
| 61 | .fields = (const VMStateField[]) { |
| 62 | VMSTATE_IDE_BUS(bus, ISAIDEState), |
| 63 | VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState), |
| 64 | VMSTATE_END_OF_LIST() |
| 65 | } |
| 66 | }; |
| 67 | |
| 68 | static void isa_ide_realizefn(DeviceState *dev, Error **errp) |
| 69 | { |
| 70 | ISADevice *isadev = ISA_DEVICE(dev); |
| 71 | ISAIDEState *s = ISA_IDE(dev); |
| 72 | |
| 73 | ide_bus_init(&s->bus, sizeof(s->bus), dev, 0, 2); |
| 74 | ide_init_ioport(&s->bus, isadev, s->iobase, s->iobase2); |
| 75 | ide_bus_init_output_irq(&s->bus, isa_get_irq(isadev, s->irqnum)); |
| 76 | vmstate_register_any(VMSTATE_IF(dev), &vmstate_ide_isa, s); |
| 77 | ide_bus_register_restart_cb(&s->bus); |
| 78 | } |
| 79 | |
| 80 | ISADevice *isa_ide_init(ISABus *bus, int iobase, int iobase2, int irqnum, |
| 81 | DriveInfo *hd0, DriveInfo *hd1) |
| 82 | { |
| 83 | DeviceState *dev; |
| 84 | ISADevice *isadev; |
| 85 | ISAIDEState *s; |
| 86 | |
| 87 | isadev = isa_new(TYPE_ISA_IDE); |
| 88 | dev = DEVICE(isadev); |
| 89 | qdev_prop_set_uint32(dev, "iobase", iobase); |
| 90 | qdev_prop_set_uint32(dev, "iobase2", iobase2); |
| 91 | qdev_prop_set_uint32(dev, "irq", irqnum); |
| 92 | isa_realize_and_unref(isadev, bus, &error_fatal); |
| 93 | |
| 94 | s = ISA_IDE(dev); |
| 95 | if (hd0) { |
| 96 | ide_bus_create_drive(&s->bus, 0, hd0); |
| 97 | } |
| 98 | if (hd1) { |
| 99 | ide_bus_create_drive(&s->bus, 1, hd1); |
| 100 | } |
| 101 | return isadev; |
| 102 | } |
| 103 | |
| 104 | static const Property isa_ide_properties[] = { |
| 105 | DEFINE_PROP_UINT32("iobase", ISAIDEState, iobase, 0x1f0), |
| 106 | DEFINE_PROP_UINT32("iobase2", ISAIDEState, iobase2, 0x3f6), |
| 107 | DEFINE_PROP_UINT32("irq", ISAIDEState, irqnum, 14), |
| 108 | }; |
| 109 | |
| 110 | static void isa_ide_class_initfn(ObjectClass *klass, const void *data) |
| 111 | { |
| 112 | DeviceClass *dc = DEVICE_CLASS(klass); |
| 113 | |
| 114 | dc->realize = isa_ide_realizefn; |
| 115 | dc->fw_name = "ide"; |
| 116 | device_class_set_legacy_reset(dc, isa_ide_reset); |
| 117 | device_class_set_props(dc, isa_ide_properties); |
| 118 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); |
| 119 | } |
| 120 | |
| 121 | static const TypeInfo isa_ide_info = { |
| 122 | .name = TYPE_ISA_IDE, |
| 123 | .parent = TYPE_ISA_DEVICE, |
| 124 | .instance_size = sizeof(ISAIDEState), |
| 125 | .class_init = isa_ide_class_initfn, |
| 126 | }; |
| 127 | |
| 128 | static void isa_ide_register_types(void) |
| 129 | { |
| 130 | type_register_static(&isa_ide_info); |
| 131 | } |
| 132 | |
| 133 | type_init(isa_ide_register_types) |