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/pc.h> 27 #include <hw/isa.h> 28 #include "block.h" 29 #include "block_int.h" 30 #include "dma.h" 31 32 #include <hw/ide/internal.h> 33 34 /***********************************************************/ 35 /* ISA IDE definitions */ 36 37 typedef struct ISAIDEState { 38 ISADevice dev; 39 IDEBus bus; 40 uint32_t iobase; 41 uint32_t iobase2; 42 uint32_t isairq; 43 qemu_irq irq; 44 } ISAIDEState; 45 46 static void isa_ide_reset(DeviceState *d) 47 { 48 ISAIDEState *s = container_of(d, ISAIDEState, dev.qdev); 49 50 ide_bus_reset(&s->bus); 51 } 52 53 static const VMStateDescription vmstate_ide_isa = { 54 .name = "isa-ide", 55 .version_id = 3, 56 .minimum_version_id = 0, 57 .minimum_version_id_old = 0, 58 .fields = (VMStateField []) { 59 VMSTATE_IDE_BUS(bus, ISAIDEState), 60 VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState), 61 VMSTATE_END_OF_LIST() 62 } 63 }; 64 65 static int isa_ide_initfn(ISADevice *dev) 66 { 67 ISAIDEState *s = DO_UPCAST(ISAIDEState, dev, dev); 68 69 ide_bus_new(&s->bus, &s->dev.qdev, 0); 70 ide_init_ioport(&s->bus, s->iobase, s->iobase2); 71 isa_init_irq(dev, &s->irq, s->isairq); 72 isa_init_ioport_range(dev, s->iobase, 8); 73 isa_init_ioport(dev, s->iobase2); 74 ide_init2(&s->bus, s->irq); 75 vmstate_register(&dev->qdev, 0, &vmstate_ide_isa, s); 76 return 0; 77 }; 78 79 ISADevice *isa_ide_init(int iobase, int iobase2, int isairq, 80 DriveInfo *hd0, DriveInfo *hd1) 81 { 82 ISADevice *dev; 83 ISAIDEState *s; 84 85 dev = isa_create("isa-ide"); 86 qdev_prop_set_uint32(&dev->qdev, "iobase", iobase); 87 qdev_prop_set_uint32(&dev->qdev, "iobase2", iobase2); 88 qdev_prop_set_uint32(&dev->qdev, "irq", isairq); 89 if (qdev_init(&dev->qdev) < 0) 90 return NULL; 91 92 s = DO_UPCAST(ISAIDEState, dev, dev); 93 if (hd0) 94 ide_create_drive(&s->bus, 0, hd0); 95 if (hd1) 96 ide_create_drive(&s->bus, 1, hd1); 97 return dev; 98 } 99 100 static ISADeviceInfo isa_ide_info = { 101 .qdev.name = "isa-ide", 102 .qdev.fw_name = "ide", 103 .qdev.size = sizeof(ISAIDEState), 104 .init = isa_ide_initfn, 105 .qdev.reset = isa_ide_reset, 106 .qdev.props = (Property[]) { 107 DEFINE_PROP_HEX32("iobase", ISAIDEState, iobase, 0x1f0), 108 DEFINE_PROP_HEX32("iobase2", ISAIDEState, iobase2, 0x3f6), 109 DEFINE_PROP_UINT32("irq", ISAIDEState, isairq, 14), 110 DEFINE_PROP_END_OF_LIST(), 111 }, 112 }; 113 114 static void isa_ide_register_devices(void) 115 { 116 isa_qdev_register(&isa_ide_info); 117 } 118 119 device_init(isa_ide_register_devices) 120