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18#include "qemu/osdep.h"
19#include "hw/usb/hcd-ehci.h"
20#include "qemu/range.h"
21
22typedef struct EHCIPCIInfo {
23 const char *name;
24 uint16_t vendor_id;
25 uint16_t device_id;
26 uint8_t revision;
27 bool companion;
28} EHCIPCIInfo;
29
30static void usb_ehci_pci_realize(PCIDevice *dev, Error **errp)
31{
32 EHCIPCIState *i = PCI_EHCI(dev);
33 EHCIState *s = &i->ehci;
34 uint8_t *pci_conf = dev->config;
35
36 pci_set_byte(&pci_conf[PCI_CLASS_PROG], 0x20);
37
38
39 pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x00);
40
41
42 pci_set_byte(&pci_conf[PCI_INTERRUPT_PIN], 4);
43 pci_set_byte(&pci_conf[PCI_MIN_GNT], 0);
44 pci_set_byte(&pci_conf[PCI_MAX_LAT], 0);
45
46
47
48 pci_set_byte(&pci_conf[USB_SBRN], USB_RELEASE_2);
49 pci_set_byte(&pci_conf[0x61], 0x20);
50 pci_set_word(&pci_conf[0x62], 0x00);
51
52 pci_conf[0x64] = 0x00;
53 pci_conf[0x65] = 0x00;
54 pci_conf[0x66] = 0x00;
55 pci_conf[0x67] = 0x00;
56 pci_conf[0x68] = 0x01;
57 pci_conf[0x69] = 0x00;
58 pci_conf[0x6a] = 0x00;
59 pci_conf[0x6b] = 0x00;
60 pci_conf[0x6c] = 0x00;
61 pci_conf[0x6d] = 0x00;
62 pci_conf[0x6e] = 0x00;
63 pci_conf[0x6f] = 0xc0;
64
65 s->irq = pci_allocate_irq(dev);
66 s->as = pci_get_address_space(dev);
67
68 usb_ehci_realize(s, DEVICE(dev), NULL);
69 pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mem);
70}
71
72static void usb_ehci_pci_init(Object *obj)
73{
74 DeviceClass *dc = OBJECT_GET_CLASS(DeviceClass, obj, TYPE_DEVICE);
75 EHCIPCIState *i = PCI_EHCI(obj);
76 EHCIState *s = &i->ehci;
77
78 s->caps[0x09] = 0x68;
79
80 s->capsbase = 0x00;
81 s->opregbase = 0x20;
82 s->portscbase = 0x44;
83 s->portnr = NB_PORTS;
84
85 if (!dc->hotpluggable) {
86 s->companion_enable = true;
87 }
88
89 usb_ehci_init(s, DEVICE(obj));
90}
91
92static void usb_ehci_pci_exit(PCIDevice *dev)
93{
94 EHCIPCIState *i = PCI_EHCI(dev);
95 EHCIState *s = &i->ehci;
96
97 usb_ehci_unrealize(s, DEVICE(dev), NULL);
98
99 g_free(s->irq);
100 s->irq = NULL;
101}
102
103static void usb_ehci_pci_reset(DeviceState *dev)
104{
105 PCIDevice *pci_dev = PCI_DEVICE(dev);
106 EHCIPCIState *i = PCI_EHCI(pci_dev);
107 EHCIState *s = &i->ehci;
108
109 ehci_reset(s);
110}
111
112static void usb_ehci_pci_write_config(PCIDevice *dev, uint32_t addr,
113 uint32_t val, int l)
114{
115 EHCIPCIState *i = PCI_EHCI(dev);
116 bool busmaster;
117
118 pci_default_write_config(dev, addr, val, l);
119
120 if (!range_covers_byte(addr, l, PCI_COMMAND)) {
121 return;
122 }
123 busmaster = pci_get_word(dev->config + PCI_COMMAND) & PCI_COMMAND_MASTER;
124 i->ehci.as = busmaster ? pci_get_address_space(dev) : &address_space_memory;
125}
126
127static Property ehci_pci_properties[] = {
128 DEFINE_PROP_UINT32("maxframes", EHCIPCIState, ehci.maxframes, 128),
129 DEFINE_PROP_END_OF_LIST(),
130};
131
132static const VMStateDescription vmstate_ehci_pci = {
133 .name = "ehci",
134 .version_id = 2,
135 .minimum_version_id = 1,
136 .fields = (VMStateField[]) {
137 VMSTATE_PCI_DEVICE(pcidev, EHCIPCIState),
138 VMSTATE_STRUCT(ehci, EHCIPCIState, 2, vmstate_ehci, EHCIState),
139 VMSTATE_END_OF_LIST()
140 }
141};
142
143static void ehci_class_init(ObjectClass *klass, void *data)
144{
145 DeviceClass *dc = DEVICE_CLASS(klass);
146 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
147
148 k->realize = usb_ehci_pci_realize;
149 k->exit = usb_ehci_pci_exit;
150 k->class_id = PCI_CLASS_SERIAL_USB;
151 k->config_write = usb_ehci_pci_write_config;
152 dc->vmsd = &vmstate_ehci_pci;
153 dc->props = ehci_pci_properties;
154 dc->reset = usb_ehci_pci_reset;
155}
156
157static const TypeInfo ehci_pci_type_info = {
158 .name = TYPE_PCI_EHCI,
159 .parent = TYPE_PCI_DEVICE,
160 .instance_size = sizeof(EHCIPCIState),
161 .instance_init = usb_ehci_pci_init,
162 .abstract = true,
163 .class_init = ehci_class_init,
164};
165
166static void ehci_data_class_init(ObjectClass *klass, void *data)
167{
168 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
169 DeviceClass *dc = DEVICE_CLASS(klass);
170 EHCIPCIInfo *i = data;
171
172 k->vendor_id = i->vendor_id;
173 k->device_id = i->device_id;
174 k->revision = i->revision;
175 set_bit(DEVICE_CATEGORY_USB, dc->categories);
176 if (i->companion) {
177 dc->hotpluggable = false;
178 }
179}
180
181static struct EHCIPCIInfo ehci_pci_info[] = {
182 {
183 .name = "usb-ehci",
184 .vendor_id = PCI_VENDOR_ID_INTEL,
185 .device_id = PCI_DEVICE_ID_INTEL_82801D,
186 .revision = 0x10,
187 },{
188 .name = "ich9-usb-ehci1",
189 .vendor_id = PCI_VENDOR_ID_INTEL,
190 .device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI1,
191 .revision = 0x03,
192 .companion = true,
193 },{
194 .name = "ich9-usb-ehci2",
195 .vendor_id = PCI_VENDOR_ID_INTEL,
196 .device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI2,
197 .revision = 0x03,
198 .companion = true,
199 }
200};
201
202static void ehci_pci_register_types(void)
203{
204 TypeInfo ehci_type_info = {
205 .parent = TYPE_PCI_EHCI,
206 .class_init = ehci_data_class_init,
207 };
208 int i;
209
210 type_register_static(&ehci_pci_type_info);
211
212 for (i = 0; i < ARRAY_SIZE(ehci_pci_info); i++) {
213 ehci_type_info.name = ehci_pci_info[i].name;
214 ehci_type_info.class_data = ehci_pci_info + i;
215 type_register(&ehci_type_info);
216 }
217}
218
219type_init(ehci_pci_register_types)
220
221struct ehci_companions {
222 const char *name;
223 int func;
224 int port;
225};
226
227static const struct ehci_companions ich9_1d[] = {
228 { .name = "ich9-usb-uhci1", .func = 0, .port = 0 },
229 { .name = "ich9-usb-uhci2", .func = 1, .port = 2 },
230 { .name = "ich9-usb-uhci3", .func = 2, .port = 4 },
231};
232
233static const struct ehci_companions ich9_1a[] = {
234 { .name = "ich9-usb-uhci4", .func = 0, .port = 0 },
235 { .name = "ich9-usb-uhci5", .func = 1, .port = 2 },
236 { .name = "ich9-usb-uhci6", .func = 2, .port = 4 },
237};
238
239int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
240{
241 const struct ehci_companions *comp;
242 PCIDevice *ehci, *uhci;
243 BusState *usbbus;
244 const char *name;
245 int i;
246
247 switch (slot) {
248 case 0x1d:
249 name = "ich9-usb-ehci1";
250 comp = ich9_1d;
251 break;
252 case 0x1a:
253 name = "ich9-usb-ehci2";
254 comp = ich9_1a;
255 break;
256 default:
257 return -1;
258 }
259
260 ehci = pci_create_multifunction(bus, PCI_DEVFN(slot, 7), true, name);
261 qdev_init_nofail(&ehci->qdev);
262 usbbus = QLIST_FIRST(&ehci->qdev.child_bus);
263
264 for (i = 0; i < 3; i++) {
265 uhci = pci_create_multifunction(bus, PCI_DEVFN(slot, comp[i].func),
266 true, comp[i].name);
267 qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name);
268 qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port);
269 qdev_init_nofail(&uhci->qdev);
270 }
271 return 0;
272}
273
