Merge remote-tracking branch 'remotes/philmd-gitlab/tags/renesas-20201027' into staging
[qemu.git] / hw / usb / hcd-ehci-pci.c
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 2.1 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 Lesser General Public License
15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18 #include "qemu/osdep.h"
19 #include "hw/qdev-properties.h"
20 #include "hw/usb/hcd-ehci.h"
21 #include "migration/vmstate.h"
22 #include "qemu/module.h"
23 #include "qemu/range.h"
24
25 typedef struct EHCIPCIInfo {
26 const char *name;
27 uint16_t vendor_id;
28 uint16_t device_id;
29 uint8_t revision;
30 bool companion;
31 } EHCIPCIInfo;
32
33 static void usb_ehci_pci_realize(PCIDevice *dev, Error **errp)
34 {
35 EHCIPCIState *i = PCI_EHCI(dev);
36 EHCIState *s = &i->ehci;
37 uint8_t *pci_conf = dev->config;
38
39 pci_set_byte(&pci_conf[PCI_CLASS_PROG], 0x20);
40
41 /* capabilities pointer */
42 pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x00);
43 /* pci_set_byte(&pci_conf[PCI_CAPABILITY_LIST], 0x50); */
44
45 pci_set_byte(&pci_conf[PCI_INTERRUPT_PIN], 4); /* interrupt pin D */
46 pci_set_byte(&pci_conf[PCI_MIN_GNT], 0);
47 pci_set_byte(&pci_conf[PCI_MAX_LAT], 0);
48
49 /* pci_conf[0x50] = 0x01; *//* power management caps */
50
51 pci_set_byte(&pci_conf[USB_SBRN], USB_RELEASE_2); /* release # (2.1.4) */
52 pci_set_byte(&pci_conf[0x61], 0x20); /* frame length adjustment (2.1.5) */
53 pci_set_word(&pci_conf[0x62], 0x00); /* port wake up capability (2.1.6) */
54
55 pci_conf[0x64] = 0x00;
56 pci_conf[0x65] = 0x00;
57 pci_conf[0x66] = 0x00;
58 pci_conf[0x67] = 0x00;
59 pci_conf[0x68] = 0x01;
60 pci_conf[0x69] = 0x00;
61 pci_conf[0x6a] = 0x00;
62 pci_conf[0x6b] = 0x00; /* USBLEGSUP */
63 pci_conf[0x6c] = 0x00;
64 pci_conf[0x6d] = 0x00;
65 pci_conf[0x6e] = 0x00;
66 pci_conf[0x6f] = 0xc0; /* USBLEFCTLSTS */
67
68 s->irq = pci_allocate_irq(dev);
69 s->as = pci_get_address_space(dev);
70
71 usb_ehci_realize(s, DEVICE(dev), NULL);
72 pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mem);
73 }
74
75 static void usb_ehci_pci_init(Object *obj)
76 {
77 DeviceClass *dc = OBJECT_GET_CLASS(DeviceClass, obj, TYPE_DEVICE);
78 EHCIPCIState *i = PCI_EHCI(obj);
79 EHCIState *s = &i->ehci;
80
81 s->caps[0x09] = 0x68; /* EECP */
82
83 s->capsbase = 0x00;
84 s->opregbase = 0x20;
85 s->portscbase = 0x44;
86 s->portnr = NB_PORTS;
87
88 if (!dc->hotpluggable) {
89 s->companion_enable = true;
90 }
91
92 usb_ehci_init(s, DEVICE(obj));
93 }
94
95 static void usb_ehci_pci_finalize(Object *obj)
96 {
97 EHCIPCIState *i = PCI_EHCI(obj);
98 EHCIState *s = &i->ehci;
99
100 usb_ehci_finalize(s);
101 }
102
103 static void usb_ehci_pci_exit(PCIDevice *dev)
104 {
105 EHCIPCIState *i = PCI_EHCI(dev);
106 EHCIState *s = &i->ehci;
107
108 usb_ehci_unrealize(s, DEVICE(dev));
109
110 g_free(s->irq);
111 s->irq = NULL;
112 }
113
114 static void usb_ehci_pci_reset(DeviceState *dev)
115 {
116 PCIDevice *pci_dev = PCI_DEVICE(dev);
117 EHCIPCIState *i = PCI_EHCI(pci_dev);
118 EHCIState *s = &i->ehci;
119
120 ehci_reset(s);
121 }
122
123 static void usb_ehci_pci_write_config(PCIDevice *dev, uint32_t addr,
124 uint32_t val, int l)
125 {
126 EHCIPCIState *i = PCI_EHCI(dev);
127 bool busmaster;
128
129 pci_default_write_config(dev, addr, val, l);
130
131 if (!range_covers_byte(addr, l, PCI_COMMAND)) {
132 return;
133 }
134 busmaster = pci_get_word(dev->config + PCI_COMMAND) & PCI_COMMAND_MASTER;
135 i->ehci.as = busmaster ? pci_get_address_space(dev) : &address_space_memory;
136 }
137
138 static Property ehci_pci_properties[] = {
139 DEFINE_PROP_UINT32("maxframes", EHCIPCIState, ehci.maxframes, 128),
140 DEFINE_PROP_END_OF_LIST(),
141 };
142
143 static const VMStateDescription vmstate_ehci_pci = {
144 .name = "ehci",
145 .version_id = 2,
146 .minimum_version_id = 1,
147 .fields = (VMStateField[]) {
148 VMSTATE_PCI_DEVICE(pcidev, EHCIPCIState),
149 VMSTATE_STRUCT(ehci, EHCIPCIState, 2, vmstate_ehci, EHCIState),
150 VMSTATE_END_OF_LIST()
151 }
152 };
153
154 static void ehci_class_init(ObjectClass *klass, void *data)
155 {
156 DeviceClass *dc = DEVICE_CLASS(klass);
157 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
158
159 k->realize = usb_ehci_pci_realize;
160 k->exit = usb_ehci_pci_exit;
161 k->class_id = PCI_CLASS_SERIAL_USB;
162 k->config_write = usb_ehci_pci_write_config;
163 dc->vmsd = &vmstate_ehci_pci;
164 device_class_set_props(dc, ehci_pci_properties);
165 dc->reset = usb_ehci_pci_reset;
166 }
167
168 static const TypeInfo ehci_pci_type_info = {
169 .name = TYPE_PCI_EHCI,
170 .parent = TYPE_PCI_DEVICE,
171 .instance_size = sizeof(EHCIPCIState),
172 .instance_init = usb_ehci_pci_init,
173 .instance_finalize = usb_ehci_pci_finalize,
174 .abstract = true,
175 .class_init = ehci_class_init,
176 .interfaces = (InterfaceInfo[]) {
177 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
178 { },
179 },
180 };
181
182 static void ehci_data_class_init(ObjectClass *klass, void *data)
183 {
184 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
185 DeviceClass *dc = DEVICE_CLASS(klass);
186 EHCIPCIInfo *i = data;
187
188 k->vendor_id = i->vendor_id;
189 k->device_id = i->device_id;
190 k->revision = i->revision;
191 set_bit(DEVICE_CATEGORY_USB, dc->categories);
192 if (i->companion) {
193 dc->hotpluggable = false;
194 }
195 }
196
197 static struct EHCIPCIInfo ehci_pci_info[] = {
198 {
199 .name = "usb-ehci",
200 .vendor_id = PCI_VENDOR_ID_INTEL,
201 .device_id = PCI_DEVICE_ID_INTEL_82801D, /* ich4 */
202 .revision = 0x10,
203 },{
204 .name = "ich9-usb-ehci1", /* 00:1d.7 */
205 .vendor_id = PCI_VENDOR_ID_INTEL,
206 .device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI1,
207 .revision = 0x03,
208 .companion = true,
209 },{
210 .name = "ich9-usb-ehci2", /* 00:1a.7 */
211 .vendor_id = PCI_VENDOR_ID_INTEL,
212 .device_id = PCI_DEVICE_ID_INTEL_82801I_EHCI2,
213 .revision = 0x03,
214 .companion = true,
215 }
216 };
217
218 static void ehci_pci_register_types(void)
219 {
220 TypeInfo ehci_type_info = {
221 .parent = TYPE_PCI_EHCI,
222 .class_init = ehci_data_class_init,
223 };
224 int i;
225
226 type_register_static(&ehci_pci_type_info);
227
228 for (i = 0; i < ARRAY_SIZE(ehci_pci_info); i++) {
229 ehci_type_info.name = ehci_pci_info[i].name;
230 ehci_type_info.class_data = ehci_pci_info + i;
231 type_register(&ehci_type_info);
232 }
233 }
234
235 type_init(ehci_pci_register_types)