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Commit | Line | Data |
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0bf96f94 GH |
1 | /* |
2 | * QEMU USB EHCI Emulation | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU Lesser General Public | |
6 | * License as published by the Free Software Foundation; either | |
7 | * version 2 of the License, or(at your option) any later version. | |
8 | * | |
9 | * This library is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * Lesser General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
e532b2e0 | 18 | #include "qemu/osdep.h" |
0bf96f94 | 19 | #include "hw/usb/hcd-ehci.h" |
1de7afc9 | 20 | #include "qemu/range.h" |
0bf96f94 | 21 | |
df013187 GH |
22 | typedef struct EHCIPCIInfo { |
23 | const char *name; | |
24 | uint16_t vendor_id; | |
25 | uint16_t device_id; | |
26 | uint8_t revision; | |
ec56214f | 27 | bool companion; |
df013187 GH |
28 | } EHCIPCIInfo; |
29 | ||
9af21dbe | 30 | static void usb_ehci_pci_realize(PCIDevice *dev, Error **errp) |
0bf96f94 | 31 | { |
5aa3ca9f | 32 | EHCIPCIState *i = PCI_EHCI(dev); |
0bf96f94 GH |
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 | /* capabilities pointer */ | |
39 | pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x00); | |
40 | /* pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x50); */ | |
41 | ||
42 | pci_set_byte(&pci_conf[PCI_INTERRUPT_PIN], 4); /* interrupt pin D */ | |
43 | pci_set_byte(&pci_conf[PCI_MIN_GNT], 0); | |
44 | pci_set_byte(&pci_conf[PCI_MAX_LAT], 0); | |
45 | ||
46 | /* pci_conf[0x50] = 0x01; *//* power management caps */ | |
47 | ||
48 | pci_set_byte(&pci_conf[USB_SBRN], USB_RELEASE_2); /* release # (2.1.4) */ | |
49 | pci_set_byte(&pci_conf[0x61], 0x20); /* frame length adjustment (2.1.5) */ | |
50 | pci_set_word(&pci_conf[0x62], 0x00); /* port wake up capability (2.1.6) */ | |
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; /* USBLEGSUP */ | |
60 | pci_conf[0x6c] = 0x00; | |
61 | pci_conf[0x6d] = 0x00; | |
62 | pci_conf[0x6e] = 0x00; | |
63 | pci_conf[0x6f] = 0xc0; /* USBLEFCTLSTS */ | |
64 | ||
9e64f8a3 | 65 | s->irq = pci_allocate_irq(dev); |
df32fd1c | 66 | s->as = pci_get_address_space(dev); |
0bf96f94 | 67 | |
08f4c90b | 68 | usb_ehci_realize(s, DEVICE(dev), NULL); |
0bf96f94 | 69 | pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mem); |
0bf96f94 GH |
70 | } |
71 | ||
d4614cc3 AF |
72 | static void usb_ehci_pci_init(Object *obj) |
73 | { | |
ec56214f | 74 | DeviceClass *dc = OBJECT_GET_CLASS(DeviceClass, obj, TYPE_DEVICE); |
d4614cc3 AF |
75 | EHCIPCIState *i = PCI_EHCI(obj); |
76 | EHCIState *s = &i->ehci; | |
77 | ||
78 | s->caps[0x09] = 0x68; /* EECP */ | |
79 | ||
80 | s->capsbase = 0x00; | |
81 | s->opregbase = 0x20; | |
cc8d6a84 KJS |
82 | s->portscbase = 0x44; |
83 | s->portnr = NB_PORTS; | |
d4614cc3 | 84 | |
ec56214f GH |
85 | if (!dc->hotpluggable) { |
86 | s->companion_enable = true; | |
87 | } | |
88 | ||
d4614cc3 AF |
89 | usb_ehci_init(s, DEVICE(obj)); |
90 | } | |
91 | ||
d710e1e7 LQ |
92 | static 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 | ||
96e14926 GA |
100 | static 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 | ||
012aef07 MA |
107 | g_free(s->irq); |
108 | s->irq = NULL; | |
96e14926 GA |
109 | } |
110 | ||
4e289b1b GA |
111 | static 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 | ||
55903f1d GH |
120 | static void usb_ehci_pci_write_config(PCIDevice *dev, uint32_t addr, |
121 | uint32_t val, int l) | |
122 | { | |
5aa3ca9f | 123 | EHCIPCIState *i = PCI_EHCI(dev); |
55903f1d GH |
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; | |
df32fd1c | 132 | i->ehci.as = busmaster ? pci_get_address_space(dev) : &address_space_memory; |
55903f1d GH |
133 | } |
134 | ||
0bf96f94 GH |
135 | static Property ehci_pci_properties[] = { |
136 | DEFINE_PROP_UINT32("maxframes", EHCIPCIState, ehci.maxframes, 128), | |
137 | DEFINE_PROP_END_OF_LIST(), | |
138 | }; | |
139 | ||
140 | static const VMStateDescription vmstate_ehci_pci = { | |
141 | .name = "ehci", | |
142 | .version_id = 2, | |
143 | .minimum_version_id = 1, | |
6e3d652a | 144 | .fields = (VMStateField[]) { |
0bf96f94 GH |
145 | VMSTATE_PCI_DEVICE(pcidev, EHCIPCIState), |
146 | VMSTATE_STRUCT(ehci, EHCIPCIState, 2, vmstate_ehci, EHCIState), | |
9d153047 | 147 | VMSTATE_END_OF_LIST() |
0bf96f94 GH |
148 | } |
149 | }; | |
150 | ||
151 | static void ehci_class_init(ObjectClass *klass, void *data) | |
152 | { | |
153 | DeviceClass *dc = DEVICE_CLASS(klass); | |
154 | PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); | |
155 | ||
9af21dbe | 156 | k->realize = usb_ehci_pci_realize; |
96e14926 | 157 | k->exit = usb_ehci_pci_exit; |
0bf96f94 | 158 | k->class_id = PCI_CLASS_SERIAL_USB; |
55903f1d | 159 | k->config_write = usb_ehci_pci_write_config; |
9d153047 | 160 | dc->vmsd = &vmstate_ehci_pci; |
0bf96f94 | 161 | dc->props = ehci_pci_properties; |
4e289b1b | 162 | dc->reset = usb_ehci_pci_reset; |
0bf96f94 GH |
163 | } |
164 | ||
5aa3ca9f AF |
165 | static const TypeInfo ehci_pci_type_info = { |
166 | .name = TYPE_PCI_EHCI, | |
167 | .parent = TYPE_PCI_DEVICE, | |
168 | .instance_size = sizeof(EHCIPCIState), | |
d4614cc3 | 169 | .instance_init = usb_ehci_pci_init, |
d710e1e7 | 170 | .instance_finalize = usb_ehci_pci_finalize, |
5aa3ca9f AF |
171 | .abstract = true, |
172 | .class_init = ehci_class_init, | |
173 | }; | |
174 | ||
175 | static void ehci_data_class_init(ObjectClass *klass, void *data) | |
176 | { | |
177 | PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); | |
125ee0ed | 178 | DeviceClass *dc = DEVICE_CLASS(klass); |
5aa3ca9f AF |
179 | EHCIPCIInfo *i = data; |
180 | ||
181 | k->vendor_id = i->vendor_id; | |
182 | k->device_id = i->device_id; | |
183 | k->revision = i->revision; | |
125ee0ed | 184 | set_bit(DEVICE_CATEGORY_USB, dc->categories); |
ec56214f GH |
185 | if (i->companion) { |
186 | dc->hotpluggable = false; | |
187 | } | |
5aa3ca9f AF |
188 | } |
189 | ||
df013187 GH |
190 | static 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, /* ich4 */ | |
195 | .revision = 0x10, | |
196 | },{ | |
ba07630c | 197 | .name = "ich9-usb-ehci1", /* 00:1d.7 */ |
df013187 GH |
198 | .vendor_id = PCI_VENDOR_ID_INTEL, |
199 | .device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI1, | |
200 | .revision = 0x03, | |
ec56214f | 201 | .companion = true, |
ba07630c GH |
202 | },{ |
203 | .name = "ich9-usb-ehci2", /* 00:1a.7 */ | |
204 | .vendor_id = PCI_VENDOR_ID_INTEL, | |
205 | .device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI2, | |
206 | .revision = 0x03, | |
ec56214f | 207 | .companion = true, |
df013187 | 208 | } |
0bf96f94 GH |
209 | }; |
210 | ||
211 | static void ehci_pci_register_types(void) | |
212 | { | |
df013187 | 213 | TypeInfo ehci_type_info = { |
5aa3ca9f AF |
214 | .parent = TYPE_PCI_EHCI, |
215 | .class_init = ehci_data_class_init, | |
df013187 GH |
216 | }; |
217 | int i; | |
218 | ||
5aa3ca9f AF |
219 | type_register_static(&ehci_pci_type_info); |
220 | ||
df013187 GH |
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 | } | |
0bf96f94 GH |
226 | } |
227 | ||
228 | type_init(ehci_pci_register_types) | |
bb4d2b2f GH |
229 | |
230 | struct ehci_companions { | |
231 | const char *name; | |
232 | int func; | |
233 | int port; | |
234 | }; | |
235 | ||
236 | static 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 | ||
242 | static 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 | ||
248 | int 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 | } |