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 #include <hw/hw.h> 26 #include <hw/i386/pc.h> 27 #include <hw/isa/isa.h> 28 #include "block/block.h" 29 #include "sysemu/dma.h" 30 31 #include <hw/ide/internal.h> 32 33 /***********************************************************/ 34 /* ISA IDE definitions */ 35 36 typedef struct ISAIDEState { 37 ISADevice dev; 38 IDEBus bus; 39 uint32_t iobase; 40 uint32_t iobase2; 41 uint32_t isairq; 42 qemu_irq irq; 43 } ISAIDEState; 44 45 static void isa_ide_reset(DeviceState *d) 46 { 47 ISAIDEState *s = container_of(d, ISAIDEState, dev.qdev); 48 49 ide_bus_reset(&s->bus); 50 } 51 52 static const VMStateDescription vmstate_ide_isa = { 53 .name = "isa-ide", 54 .version_id = 3, 55 .minimum_version_id = 0, 56 .minimum_version_id_old = 0, 57 .fields = (VMStateField []) { 58 VMSTATE_IDE_BUS(bus, ISAIDEState), 59 VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState), 60 VMSTATE_END_OF_LIST() 61 } 62 }; 63 64 static int isa_ide_initfn(ISADevice *dev) 65 { 66 ISAIDEState *s = DO_UPCAST(ISAIDEState, dev, dev); 67 68 ide_bus_new(&s->bus, &s->dev.qdev, 0); 69 ide_init_ioport(&s->bus, dev, s->iobase, s->iobase2); 70 isa_init_irq(dev, &s->irq, s->isairq); 71 ide_init2(&s->bus, s->irq); 72 vmstate_register(&dev->qdev, 0, &vmstate_ide_isa, s); 73 return 0; 74 }; 75 76 ISADevice *isa_ide_init(ISABus *bus, int iobase, int iobase2, int isairq, 77 DriveInfo *hd0, DriveInfo *hd1) 78 { 79 ISADevice *dev; 80 ISAIDEState *s; 81 82 dev = isa_create(bus, "isa-ide"); 83 qdev_prop_set_uint32(&dev->qdev, "iobase", iobase); 84 qdev_prop_set_uint32(&dev->qdev, "iobase2", iobase2); 85 qdev_prop_set_uint32(&dev->qdev, "irq", isairq); 86 if (qdev_init(&dev->qdev) < 0) 87 return NULL; 88 89 s = DO_UPCAST(ISAIDEState, dev, dev); 90 if (hd0) 91 ide_create_drive(&s->bus, 0, hd0); 92 if (hd1) 93 ide_create_drive(&s->bus, 1, hd1); 94 return dev; 95 } 96 97 static Property isa_ide_properties[] = { 98 DEFINE_PROP_HEX32("iobase", ISAIDEState, iobase, 0x1f0), 99 DEFINE_PROP_HEX32("iobase2", ISAIDEState, iobase2, 0x3f6), 100 DEFINE_PROP_UINT32("irq", ISAIDEState, isairq, 14), 101 DEFINE_PROP_END_OF_LIST(), 102 }; 103 104 static void isa_ide_class_initfn(ObjectClass *klass, void *data) 105 { 106 DeviceClass *dc = DEVICE_CLASS(klass); 107 ISADeviceClass *ic = ISA_DEVICE_CLASS(klass); 108 ic->init = isa_ide_initfn; 109 dc->fw_name = "ide"; 110 dc->reset = isa_ide_reset; 111 dc->props = isa_ide_properties; 112 } 113 114 static const TypeInfo isa_ide_info = { 115 .name = "isa-ide", 116 .parent = TYPE_ISA_DEVICE, 117 .instance_size = sizeof(ISAIDEState), 118 .class_init = isa_ide_class_initfn, 119 }; 120 121 static void isa_ide_register_types(void) 122 { 123 type_register_static(&isa_ide_info); 124 } 125 126 type_init(isa_ide_register_types) 127