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 "sysemu.h" 31 #include "dma.h" 32 33 #include <hw/ide/internal.h> 34 35 /***********************************************************/ 36 /* ISA IDE definitions */ 37 38 typedef struct ISAIDEState { 39 ISADevice dev; 40 IDEBus bus; 41 uint32_t iobase; 42 uint32_t iobase2; 43 uint32_t isairq; 44 qemu_irq irq; 45 } ISAIDEState; 46 47 static void isa_ide_reset(DeviceState *d) 48 { 49 ISAIDEState *s = container_of(d, ISAIDEState, dev.qdev); 50 51 ide_bus_reset(&s->bus); 52 } 53 54 static const VMStateDescription vmstate_ide_isa = { 55 .name = "isa-ide", 56 .version_id = 3, 57 .minimum_version_id = 0, 58 .minimum_version_id_old = 0, 59 .fields = (VMStateField []) { 60 VMSTATE_IDE_BUS(bus, ISAIDEState), 61 VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState), 62 VMSTATE_END_OF_LIST() 63 } 64 }; 65 66 static int isa_ide_initfn(ISADevice *dev) 67 { 68 ISAIDEState *s = DO_UPCAST(ISAIDEState, dev, dev); 69 70 ide_bus_new(&s->bus, &s->dev.qdev, 0); 71 ide_init_ioport(&s->bus, s->iobase, s->iobase2); 72 isa_init_irq(dev, &s->irq, s->isairq); 73 isa_init_ioport_range(dev, s->iobase, 8); 74 isa_init_ioport(dev, s->iobase2); 75 ide_init2(&s->bus, s->irq); 76 vmstate_register(&dev->qdev, 0, &vmstate_ide_isa, s); 77 return 0; 78 }; 79 80 ISADevice *isa_ide_init(int iobase, int iobase2, int isairq, 81 DriveInfo *hd0, DriveInfo *hd1) 82 { 83 ISADevice *dev; 84 ISAIDEState *s; 85 86 dev = isa_create("isa-ide"); 87 qdev_prop_set_uint32(&dev->qdev, "iobase", iobase); 88 qdev_prop_set_uint32(&dev->qdev, "iobase2", iobase2); 89 qdev_prop_set_uint32(&dev->qdev, "irq", isairq); 90 if (qdev_init(&dev->qdev) < 0) 91 return NULL; 92 93 s = DO_UPCAST(ISAIDEState, dev, dev); 94 if (hd0) 95 ide_create_drive(&s->bus, 0, hd0); 96 if (hd1) 97 ide_create_drive(&s->bus, 1, hd1); 98 return dev; 99 } 100 101 static ISADeviceInfo isa_ide_info = { 102 .qdev.name = "isa-ide", 103 .qdev.fw_name = "ide", 104 .qdev.size = sizeof(ISAIDEState), 105 .init = isa_ide_initfn, 106 .qdev.reset = isa_ide_reset, 107 .qdev.props = (Property[]) { 108 DEFINE_PROP_HEX32("iobase", ISAIDEState, iobase, 0x1f0), 109 DEFINE_PROP_HEX32("iobase2", ISAIDEState, iobase2, 0x3f6), 110 DEFINE_PROP_UINT32("irq", ISAIDEState, isairq, 14), 111 DEFINE_PROP_END_OF_LIST(), 112 }, 113 }; 114 115 static void isa_ide_register_devices(void) 116 { 117 isa_qdev_register(&isa_ide_info); 118 } 119 120 device_init(isa_ide_register_devices) 121