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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_finalize(Object *obj)
93{
94 EHCIPCIState *i = PCI_EHCI(obj);
95 EHCIState *s = &i->ehci;
96
97 usb_ehci_finalize(s);
98}
99
100static void usb_ehci_pci_exit(PCIDevice *dev)
101{
102 EHCIPCIState *i = PCI_EHCI(dev);
103 EHCIState *s = &i->ehci;
104
105 usb_ehci_unrealize(s, DEVICE(dev), NULL);
106
107 g_free(s->irq);
108 s->irq = NULL;
109}
110
111static void usb_ehci_pci_reset(DeviceState *dev)
112{
113 PCIDevice *pci_dev = PCI_DEVICE(dev);
114 EHCIPCIState *i = PCI_EHCI(pci_dev);
115 EHCIState *s = &i->ehci;
116
117 ehci_reset(s);
118}
119
120static void usb_ehci_pci_write_config(PCIDevice *dev, uint32_t addr,
121 uint32_t val, int l)
122{
123 EHCIPCIState *i = PCI_EHCI(dev);
124 bool busmaster;
125
126 pci_default_write_config(dev, addr, val, l);
127
128 if (!range_covers_byte(addr, l, PCI_COMMAND)) {
129 return;
130 }
131 busmaster = pci_get_word(dev->config + PCI_COMMAND) & PCI_COMMAND_MASTER;
132 i->ehci.as = busmaster ? pci_get_address_space(dev) : &address_space_memory;
133}
134
135static Property ehci_pci_properties[] = {
136 DEFINE_PROP_UINT32("maxframes", EHCIPCIState, ehci.maxframes, 128),
137 DEFINE_PROP_END_OF_LIST(),
138};
139
140static const VMStateDescription vmstate_ehci_pci = {
141 .name = "ehci",
142 .version_id = 2,
143 .minimum_version_id = 1,
144 .fields = (VMStateField[]) {
145 VMSTATE_PCI_DEVICE(pcidev, EHCIPCIState),
146 VMSTATE_STRUCT(ehci, EHCIPCIState, 2, vmstate_ehci, EHCIState),
147 VMSTATE_END_OF_LIST()
148 }
149};
150
151static void ehci_class_init(ObjectClass *klass, void *data)
152{
153 DeviceClass *dc = DEVICE_CLASS(klass);
154 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
155
156 k->realize = usb_ehci_pci_realize;
157 k->exit = usb_ehci_pci_exit;
158 k->class_id = PCI_CLASS_SERIAL_USB;
159 k->config_write = usb_ehci_pci_write_config;
160 dc->vmsd = &vmstate_ehci_pci;
161 dc->props = ehci_pci_properties;
162 dc->reset = usb_ehci_pci_reset;
163}
164
165static const TypeInfo ehci_pci_type_info = {
166 .name = TYPE_PCI_EHCI,
167 .parent = TYPE_PCI_DEVICE,
168 .instance_size = sizeof(EHCIPCIState),
169 .instance_init = usb_ehci_pci_init,
170 .instance_finalize = usb_ehci_pci_finalize,
171 .abstract = true,
172 .class_init = ehci_class_init,
173};
174
175static void ehci_data_class_init(ObjectClass *klass, void *data)
176{
177 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
178 DeviceClass *dc = DEVICE_CLASS(klass);
179 EHCIPCIInfo *i = data;
180
181 k->vendor_id = i->vendor_id;
182 k->device_id = i->device_id;
183 k->revision = i->revision;
184 set_bit(DEVICE_CATEGORY_USB, dc->categories);
185 if (i->companion) {
186 dc->hotpluggable = false;
187 }
188}
189
190static struct EHCIPCIInfo ehci_pci_info[] = {
191 {
192 .name = "usb-ehci",
193 .vendor_id = PCI_VENDOR_ID_INTEL,
194 .device_id = PCI_DEVICE_ID_INTEL_82801D,
195 .revision = 0x10,
196 },{
197 .name = "ich9-usb-ehci1",
198 .vendor_id = PCI_VENDOR_ID_INTEL,
199 .device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI1,
200 .revision = 0x03,
201 .companion = true,
202 },{
203 .name = "ich9-usb-ehci2",
204 .vendor_id = PCI_VENDOR_ID_INTEL,
205 .device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI2,
206 .revision = 0x03,
207 .companion = true,
208 }
209};
210
211static void ehci_pci_register_types(void)
212{
213 TypeInfo ehci_type_info = {
214 .parent = TYPE_PCI_EHCI,
215 .class_init = ehci_data_class_init,
216 };
217 int i;
218
219 type_register_static(&ehci_pci_type_info);
220
221 for (i = 0; i < ARRAY_SIZE(ehci_pci_info); i++) {
222 ehci_type_info.name = ehci_pci_info[i].name;
223 ehci_type_info.class_data = ehci_pci_info + i;
224 type_register(&ehci_type_info);
225 }
226}
227
228type_init(ehci_pci_register_types)
229
230struct ehci_companions {
231 const char *name;
232 int func;
233 int port;
234};
235
236static const struct ehci_companions ich9_1d[] = {
237 { .name = "ich9-usb-uhci1", .func = 0, .port = 0 },
238 { .name = "ich9-usb-uhci2", .func = 1, .port = 2 },
239 { .name = "ich9-usb-uhci3", .func = 2, .port = 4 },
240};
241
242static const struct ehci_companions ich9_1a[] = {
243 { .name = "ich9-usb-uhci4", .func = 0, .port = 0 },
244 { .name = "ich9-usb-uhci5", .func = 1, .port = 2 },
245 { .name = "ich9-usb-uhci6", .func = 2, .port = 4 },
246};
247
248int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
249{
250 const struct ehci_companions *comp;
251 PCIDevice *ehci, *uhci;
252 BusState *usbbus;
253 const char *name;
254 int i;
255
256 switch (slot) {
257 case 0x1d:
258 name = "ich9-usb-ehci1";
259 comp = ich9_1d;
260 break;
261 case 0x1a:
262 name = "ich9-usb-ehci2";
263 comp = ich9_1a;
264 break;
265 default:
266 return -1;
267 }
268
269 ehci = pci_create_multifunction(bus, PCI_DEVFN(slot, 7), true, name);
270 qdev_init_nofail(&ehci->qdev);
271 usbbus = QLIST_FIRST(&ehci->qdev.child_bus);
272
273 for (i = 0; i < 3; i++) {
274 uhci = pci_create_multifunction(bus, PCI_DEVFN(slot, comp[i].func),
275 true, comp[i].name);
276 qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name);
277 qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port);
278 qdev_init_nofail(&uhci->qdev);
279 }
280 return 0;
281}
282
