root / hw / usb / desc.c @ f8c126f3
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1 | 9d55d1ad | Gerd Hoffmann | #include <ctype.h> |
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2 | 9d55d1ad | Gerd Hoffmann | |
3 | f1ae32a1 | Gerd Hoffmann | #include "hw/usb.h" |
4 | f1ae32a1 | Gerd Hoffmann | #include "hw/usb/desc.h" |
5 | 37fb59d3 | Gerd Hoffmann | #include "trace.h" |
6 | 37fb59d3 | Gerd Hoffmann | |
7 | 37fb59d3 | Gerd Hoffmann | /* ------------------------------------------------------------------ */
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8 | 37fb59d3 | Gerd Hoffmann | |
9 | 37fb59d3 | Gerd Hoffmann | static uint8_t usb_lo(uint16_t val)
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10 | 37fb59d3 | Gerd Hoffmann | { |
11 | 37fb59d3 | Gerd Hoffmann | return val & 0xff; |
12 | 37fb59d3 | Gerd Hoffmann | } |
13 | 37fb59d3 | Gerd Hoffmann | |
14 | 37fb59d3 | Gerd Hoffmann | static uint8_t usb_hi(uint16_t val)
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15 | 37fb59d3 | Gerd Hoffmann | { |
16 | 37fb59d3 | Gerd Hoffmann | return (val >> 8) & 0xff; |
17 | 37fb59d3 | Gerd Hoffmann | } |
18 | 37fb59d3 | Gerd Hoffmann | |
19 | 37fb59d3 | Gerd Hoffmann | int usb_desc_device(const USBDescID *id, const USBDescDevice *dev, |
20 | 37fb59d3 | Gerd Hoffmann | uint8_t *dest, size_t len) |
21 | 37fb59d3 | Gerd Hoffmann | { |
22 | 37fb59d3 | Gerd Hoffmann | uint8_t bLength = 0x12;
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23 | d3f904ea | Gerd Hoffmann | USBDescriptor *d = (void *)dest;
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24 | 37fb59d3 | Gerd Hoffmann | |
25 | 37fb59d3 | Gerd Hoffmann | if (len < bLength) {
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26 | 37fb59d3 | Gerd Hoffmann | return -1; |
27 | 37fb59d3 | Gerd Hoffmann | } |
28 | 37fb59d3 | Gerd Hoffmann | |
29 | d3f904ea | Gerd Hoffmann | d->bLength = bLength; |
30 | d3f904ea | Gerd Hoffmann | d->bDescriptorType = USB_DT_DEVICE; |
31 | 37fb59d3 | Gerd Hoffmann | |
32 | d3f904ea | Gerd Hoffmann | d->u.device.bcdUSB_lo = usb_lo(dev->bcdUSB); |
33 | d3f904ea | Gerd Hoffmann | d->u.device.bcdUSB_hi = usb_hi(dev->bcdUSB); |
34 | d3f904ea | Gerd Hoffmann | d->u.device.bDeviceClass = dev->bDeviceClass; |
35 | d3f904ea | Gerd Hoffmann | d->u.device.bDeviceSubClass = dev->bDeviceSubClass; |
36 | d3f904ea | Gerd Hoffmann | d->u.device.bDeviceProtocol = dev->bDeviceProtocol; |
37 | d3f904ea | Gerd Hoffmann | d->u.device.bMaxPacketSize0 = dev->bMaxPacketSize0; |
38 | 37fb59d3 | Gerd Hoffmann | |
39 | d3f904ea | Gerd Hoffmann | d->u.device.idVendor_lo = usb_lo(id->idVendor); |
40 | d3f904ea | Gerd Hoffmann | d->u.device.idVendor_hi = usb_hi(id->idVendor); |
41 | d3f904ea | Gerd Hoffmann | d->u.device.idProduct_lo = usb_lo(id->idProduct); |
42 | d3f904ea | Gerd Hoffmann | d->u.device.idProduct_hi = usb_hi(id->idProduct); |
43 | d3f904ea | Gerd Hoffmann | d->u.device.bcdDevice_lo = usb_lo(id->bcdDevice); |
44 | d3f904ea | Gerd Hoffmann | d->u.device.bcdDevice_hi = usb_hi(id->bcdDevice); |
45 | d3f904ea | Gerd Hoffmann | d->u.device.iManufacturer = id->iManufacturer; |
46 | d3f904ea | Gerd Hoffmann | d->u.device.iProduct = id->iProduct; |
47 | d3f904ea | Gerd Hoffmann | d->u.device.iSerialNumber = id->iSerialNumber; |
48 | 37fb59d3 | Gerd Hoffmann | |
49 | d3f904ea | Gerd Hoffmann | d->u.device.bNumConfigurations = dev->bNumConfigurations; |
50 | 37fb59d3 | Gerd Hoffmann | |
51 | 37fb59d3 | Gerd Hoffmann | return bLength;
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52 | 37fb59d3 | Gerd Hoffmann | } |
53 | 37fb59d3 | Gerd Hoffmann | |
54 | 25620cba | Gerd Hoffmann | int usb_desc_device_qualifier(const USBDescDevice *dev, |
55 | 25620cba | Gerd Hoffmann | uint8_t *dest, size_t len) |
56 | 25620cba | Gerd Hoffmann | { |
57 | 25620cba | Gerd Hoffmann | uint8_t bLength = 0x0a;
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58 | 3cfeee61 | Gerd Hoffmann | USBDescriptor *d = (void *)dest;
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59 | 25620cba | Gerd Hoffmann | |
60 | 25620cba | Gerd Hoffmann | if (len < bLength) {
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61 | 25620cba | Gerd Hoffmann | return -1; |
62 | 25620cba | Gerd Hoffmann | } |
63 | 25620cba | Gerd Hoffmann | |
64 | 3cfeee61 | Gerd Hoffmann | d->bLength = bLength; |
65 | 3cfeee61 | Gerd Hoffmann | d->bDescriptorType = USB_DT_DEVICE_QUALIFIER; |
66 | 3cfeee61 | Gerd Hoffmann | |
67 | 3cfeee61 | Gerd Hoffmann | d->u.device_qualifier.bcdUSB_lo = usb_lo(dev->bcdUSB); |
68 | 3cfeee61 | Gerd Hoffmann | d->u.device_qualifier.bcdUSB_hi = usb_hi(dev->bcdUSB); |
69 | 3cfeee61 | Gerd Hoffmann | d->u.device_qualifier.bDeviceClass = dev->bDeviceClass; |
70 | 3cfeee61 | Gerd Hoffmann | d->u.device_qualifier.bDeviceSubClass = dev->bDeviceSubClass; |
71 | 3cfeee61 | Gerd Hoffmann | d->u.device_qualifier.bDeviceProtocol = dev->bDeviceProtocol; |
72 | 3cfeee61 | Gerd Hoffmann | d->u.device_qualifier.bMaxPacketSize0 = dev->bMaxPacketSize0; |
73 | 3cfeee61 | Gerd Hoffmann | d->u.device_qualifier.bNumConfigurations = dev->bNumConfigurations; |
74 | 3cfeee61 | Gerd Hoffmann | d->u.device_qualifier.bReserved = 0;
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75 | 25620cba | Gerd Hoffmann | |
76 | 25620cba | Gerd Hoffmann | return bLength;
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77 | 25620cba | Gerd Hoffmann | } |
78 | 25620cba | Gerd Hoffmann | |
79 | b43a2851 | Gerd Hoffmann | int usb_desc_config(const USBDescConfig *conf, int flags, |
80 | b43a2851 | Gerd Hoffmann | uint8_t *dest, size_t len) |
81 | 37fb59d3 | Gerd Hoffmann | { |
82 | 37fb59d3 | Gerd Hoffmann | uint8_t bLength = 0x09;
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83 | 37fb59d3 | Gerd Hoffmann | uint16_t wTotalLength = 0;
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84 | 0a263db1 | Gerd Hoffmann | USBDescriptor *d = (void *)dest;
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85 | fef13fa8 | Brad Hards | int i, rc;
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86 | 37fb59d3 | Gerd Hoffmann | |
87 | 37fb59d3 | Gerd Hoffmann | if (len < bLength) {
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88 | 37fb59d3 | Gerd Hoffmann | return -1; |
89 | 37fb59d3 | Gerd Hoffmann | } |
90 | 37fb59d3 | Gerd Hoffmann | |
91 | 0a263db1 | Gerd Hoffmann | d->bLength = bLength; |
92 | 0a263db1 | Gerd Hoffmann | d->bDescriptorType = USB_DT_CONFIG; |
93 | 0a263db1 | Gerd Hoffmann | |
94 | 0a263db1 | Gerd Hoffmann | d->u.config.bNumInterfaces = conf->bNumInterfaces; |
95 | 0a263db1 | Gerd Hoffmann | d->u.config.bConfigurationValue = conf->bConfigurationValue; |
96 | 0a263db1 | Gerd Hoffmann | d->u.config.iConfiguration = conf->iConfiguration; |
97 | 0a263db1 | Gerd Hoffmann | d->u.config.bmAttributes = conf->bmAttributes; |
98 | 0a263db1 | Gerd Hoffmann | d->u.config.bMaxPower = conf->bMaxPower; |
99 | 37fb59d3 | Gerd Hoffmann | wTotalLength += bLength; |
100 | 37fb59d3 | Gerd Hoffmann | |
101 | 0a263db1 | Gerd Hoffmann | /* handle grouped interfaces if any */
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102 | 6e625fc7 | Brad Hards | for (i = 0; i < conf->nif_groups; i++) { |
103 | b43a2851 | Gerd Hoffmann | rc = usb_desc_iface_group(&(conf->if_groups[i]), flags, |
104 | 6e625fc7 | Brad Hards | dest + wTotalLength, |
105 | 6e625fc7 | Brad Hards | len - wTotalLength); |
106 | 6e625fc7 | Brad Hards | if (rc < 0) { |
107 | 6e625fc7 | Brad Hards | return rc;
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108 | 6e625fc7 | Brad Hards | } |
109 | 6e625fc7 | Brad Hards | wTotalLength += rc; |
110 | 6e625fc7 | Brad Hards | } |
111 | 6e625fc7 | Brad Hards | |
112 | 6e625fc7 | Brad Hards | /* handle normal (ungrouped / no IAD) interfaces if any */
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113 | fef13fa8 | Brad Hards | for (i = 0; i < conf->nif; i++) { |
114 | b43a2851 | Gerd Hoffmann | rc = usb_desc_iface(conf->ifs + i, flags, |
115 | b43a2851 | Gerd Hoffmann | dest + wTotalLength, len - wTotalLength); |
116 | 37fb59d3 | Gerd Hoffmann | if (rc < 0) { |
117 | 37fb59d3 | Gerd Hoffmann | return rc;
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118 | 37fb59d3 | Gerd Hoffmann | } |
119 | 37fb59d3 | Gerd Hoffmann | wTotalLength += rc; |
120 | 37fb59d3 | Gerd Hoffmann | } |
121 | 37fb59d3 | Gerd Hoffmann | |
122 | 0a263db1 | Gerd Hoffmann | d->u.config.wTotalLength_lo = usb_lo(wTotalLength); |
123 | 0a263db1 | Gerd Hoffmann | d->u.config.wTotalLength_hi = usb_hi(wTotalLength); |
124 | 37fb59d3 | Gerd Hoffmann | return wTotalLength;
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125 | 37fb59d3 | Gerd Hoffmann | } |
126 | 37fb59d3 | Gerd Hoffmann | |
127 | b43a2851 | Gerd Hoffmann | int usb_desc_iface_group(const USBDescIfaceAssoc *iad, int flags, |
128 | b43a2851 | Gerd Hoffmann | uint8_t *dest, size_t len) |
129 | 6e625fc7 | Brad Hards | { |
130 | 6e625fc7 | Brad Hards | int pos = 0; |
131 | 6e625fc7 | Brad Hards | int i = 0; |
132 | 6e625fc7 | Brad Hards | |
133 | 6e625fc7 | Brad Hards | /* handle interface association descriptor */
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134 | 6e625fc7 | Brad Hards | uint8_t bLength = 0x08;
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135 | 6e625fc7 | Brad Hards | |
136 | 6e625fc7 | Brad Hards | if (len < bLength) {
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137 | 6e625fc7 | Brad Hards | return -1; |
138 | 6e625fc7 | Brad Hards | } |
139 | 6e625fc7 | Brad Hards | |
140 | 6e625fc7 | Brad Hards | dest[0x00] = bLength;
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141 | 6e625fc7 | Brad Hards | dest[0x01] = USB_DT_INTERFACE_ASSOC;
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142 | 6e625fc7 | Brad Hards | dest[0x02] = iad->bFirstInterface;
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143 | 6e625fc7 | Brad Hards | dest[0x03] = iad->bInterfaceCount;
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144 | 6e625fc7 | Brad Hards | dest[0x04] = iad->bFunctionClass;
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145 | 6e625fc7 | Brad Hards | dest[0x05] = iad->bFunctionSubClass;
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146 | 6e625fc7 | Brad Hards | dest[0x06] = iad->bFunctionProtocol;
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147 | 6e625fc7 | Brad Hards | dest[0x07] = iad->iFunction;
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148 | 6e625fc7 | Brad Hards | pos += bLength; |
149 | 6e625fc7 | Brad Hards | |
150 | 6e625fc7 | Brad Hards | /* handle associated interfaces in this group */
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151 | 6e625fc7 | Brad Hards | for (i = 0; i < iad->nif; i++) { |
152 | b43a2851 | Gerd Hoffmann | int rc = usb_desc_iface(&(iad->ifs[i]), flags, dest + pos, len - pos);
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153 | 6e625fc7 | Brad Hards | if (rc < 0) { |
154 | 6e625fc7 | Brad Hards | return rc;
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155 | 6e625fc7 | Brad Hards | } |
156 | 6e625fc7 | Brad Hards | pos += rc; |
157 | 6e625fc7 | Brad Hards | } |
158 | 6e625fc7 | Brad Hards | |
159 | 6e625fc7 | Brad Hards | return pos;
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160 | 6e625fc7 | Brad Hards | } |
161 | 6e625fc7 | Brad Hards | |
162 | b43a2851 | Gerd Hoffmann | int usb_desc_iface(const USBDescIface *iface, int flags, |
163 | b43a2851 | Gerd Hoffmann | uint8_t *dest, size_t len) |
164 | 37fb59d3 | Gerd Hoffmann | { |
165 | 37fb59d3 | Gerd Hoffmann | uint8_t bLength = 0x09;
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166 | 37fb59d3 | Gerd Hoffmann | int i, rc, pos = 0; |
167 | feafd797 | Gerd Hoffmann | USBDescriptor *d = (void *)dest;
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168 | 37fb59d3 | Gerd Hoffmann | |
169 | 37fb59d3 | Gerd Hoffmann | if (len < bLength) {
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170 | 37fb59d3 | Gerd Hoffmann | return -1; |
171 | 37fb59d3 | Gerd Hoffmann | } |
172 | 37fb59d3 | Gerd Hoffmann | |
173 | feafd797 | Gerd Hoffmann | d->bLength = bLength; |
174 | feafd797 | Gerd Hoffmann | d->bDescriptorType = USB_DT_INTERFACE; |
175 | feafd797 | Gerd Hoffmann | |
176 | feafd797 | Gerd Hoffmann | d->u.interface.bInterfaceNumber = iface->bInterfaceNumber; |
177 | feafd797 | Gerd Hoffmann | d->u.interface.bAlternateSetting = iface->bAlternateSetting; |
178 | feafd797 | Gerd Hoffmann | d->u.interface.bNumEndpoints = iface->bNumEndpoints; |
179 | feafd797 | Gerd Hoffmann | d->u.interface.bInterfaceClass = iface->bInterfaceClass; |
180 | feafd797 | Gerd Hoffmann | d->u.interface.bInterfaceSubClass = iface->bInterfaceSubClass; |
181 | feafd797 | Gerd Hoffmann | d->u.interface.bInterfaceProtocol = iface->bInterfaceProtocol; |
182 | feafd797 | Gerd Hoffmann | d->u.interface.iInterface = iface->iInterface; |
183 | 37fb59d3 | Gerd Hoffmann | pos += bLength; |
184 | 37fb59d3 | Gerd Hoffmann | |
185 | 37fb59d3 | Gerd Hoffmann | for (i = 0; i < iface->ndesc; i++) { |
186 | 37fb59d3 | Gerd Hoffmann | rc = usb_desc_other(iface->descs + i, dest + pos, len - pos); |
187 | 37fb59d3 | Gerd Hoffmann | if (rc < 0) { |
188 | 37fb59d3 | Gerd Hoffmann | return rc;
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189 | 37fb59d3 | Gerd Hoffmann | } |
190 | 37fb59d3 | Gerd Hoffmann | pos += rc; |
191 | 37fb59d3 | Gerd Hoffmann | } |
192 | 37fb59d3 | Gerd Hoffmann | |
193 | 37fb59d3 | Gerd Hoffmann | for (i = 0; i < iface->bNumEndpoints; i++) { |
194 | b43a2851 | Gerd Hoffmann | rc = usb_desc_endpoint(iface->eps + i, flags, dest + pos, len - pos); |
195 | 37fb59d3 | Gerd Hoffmann | if (rc < 0) { |
196 | 37fb59d3 | Gerd Hoffmann | return rc;
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197 | 37fb59d3 | Gerd Hoffmann | } |
198 | 37fb59d3 | Gerd Hoffmann | pos += rc; |
199 | 37fb59d3 | Gerd Hoffmann | } |
200 | 37fb59d3 | Gerd Hoffmann | |
201 | 37fb59d3 | Gerd Hoffmann | return pos;
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202 | 37fb59d3 | Gerd Hoffmann | } |
203 | 37fb59d3 | Gerd Hoffmann | |
204 | b43a2851 | Gerd Hoffmann | int usb_desc_endpoint(const USBDescEndpoint *ep, int flags, |
205 | b43a2851 | Gerd Hoffmann | uint8_t *dest, size_t len) |
206 | 37fb59d3 | Gerd Hoffmann | { |
207 | cc5f1395 | Gerd Hoffmann | uint8_t bLength = ep->is_audio ? 0x09 : 0x07; |
208 | cc5f1395 | Gerd Hoffmann | uint8_t extralen = ep->extra ? ep->extra[0] : 0; |
209 | b43a2851 | Gerd Hoffmann | uint8_t superlen = (flags & USB_DESC_FLAG_SUPER) ? 0x06 : 0; |
210 | e36a20d3 | Gerd Hoffmann | USBDescriptor *d = (void *)dest;
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211 | 37fb59d3 | Gerd Hoffmann | |
212 | b43a2851 | Gerd Hoffmann | if (len < bLength + extralen + superlen) {
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213 | 37fb59d3 | Gerd Hoffmann | return -1; |
214 | 37fb59d3 | Gerd Hoffmann | } |
215 | 37fb59d3 | Gerd Hoffmann | |
216 | e36a20d3 | Gerd Hoffmann | d->bLength = bLength; |
217 | e36a20d3 | Gerd Hoffmann | d->bDescriptorType = USB_DT_ENDPOINT; |
218 | e36a20d3 | Gerd Hoffmann | |
219 | e36a20d3 | Gerd Hoffmann | d->u.endpoint.bEndpointAddress = ep->bEndpointAddress; |
220 | e36a20d3 | Gerd Hoffmann | d->u.endpoint.bmAttributes = ep->bmAttributes; |
221 | e36a20d3 | Gerd Hoffmann | d->u.endpoint.wMaxPacketSize_lo = usb_lo(ep->wMaxPacketSize); |
222 | e36a20d3 | Gerd Hoffmann | d->u.endpoint.wMaxPacketSize_hi = usb_hi(ep->wMaxPacketSize); |
223 | e36a20d3 | Gerd Hoffmann | d->u.endpoint.bInterval = ep->bInterval; |
224 | cc5f1395 | Gerd Hoffmann | if (ep->is_audio) {
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225 | e36a20d3 | Gerd Hoffmann | d->u.endpoint.bRefresh = ep->bRefresh; |
226 | e36a20d3 | Gerd Hoffmann | d->u.endpoint.bSynchAddress = ep->bSynchAddress; |
227 | cc5f1395 | Gerd Hoffmann | } |
228 | cc5f1395 | Gerd Hoffmann | if (ep->extra) {
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229 | cc5f1395 | Gerd Hoffmann | memcpy(dest + bLength, ep->extra, extralen); |
230 | cc5f1395 | Gerd Hoffmann | } |
231 | 37fb59d3 | Gerd Hoffmann | |
232 | b43a2851 | Gerd Hoffmann | if (superlen) {
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233 | b43a2851 | Gerd Hoffmann | USBDescriptor *d = (void *)(dest + bLength + extralen);
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234 | b43a2851 | Gerd Hoffmann | |
235 | b43a2851 | Gerd Hoffmann | d->bLength = 0x06;
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236 | b43a2851 | Gerd Hoffmann | d->bDescriptorType = USB_DT_ENDPOINT_COMPANION; |
237 | b43a2851 | Gerd Hoffmann | |
238 | b43a2851 | Gerd Hoffmann | d->u.super_endpoint.bMaxBurst = ep->bMaxBurst; |
239 | b43a2851 | Gerd Hoffmann | d->u.super_endpoint.bmAttributes = ep->bmAttributes_super; |
240 | b43a2851 | Gerd Hoffmann | d->u.super_endpoint.wBytesPerInterval_lo = |
241 | b43a2851 | Gerd Hoffmann | usb_lo(ep->wBytesPerInterval); |
242 | b43a2851 | Gerd Hoffmann | d->u.super_endpoint.wBytesPerInterval_hi = |
243 | b43a2851 | Gerd Hoffmann | usb_hi(ep->wBytesPerInterval); |
244 | b43a2851 | Gerd Hoffmann | } |
245 | b43a2851 | Gerd Hoffmann | |
246 | b43a2851 | Gerd Hoffmann | return bLength + extralen + superlen;
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247 | 37fb59d3 | Gerd Hoffmann | } |
248 | 37fb59d3 | Gerd Hoffmann | |
249 | 37fb59d3 | Gerd Hoffmann | int usb_desc_other(const USBDescOther *desc, uint8_t *dest, size_t len) |
250 | 37fb59d3 | Gerd Hoffmann | { |
251 | 37fb59d3 | Gerd Hoffmann | int bLength = desc->length ? desc->length : desc->data[0]; |
252 | 37fb59d3 | Gerd Hoffmann | |
253 | 37fb59d3 | Gerd Hoffmann | if (len < bLength) {
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254 | 37fb59d3 | Gerd Hoffmann | return -1; |
255 | 37fb59d3 | Gerd Hoffmann | } |
256 | 37fb59d3 | Gerd Hoffmann | |
257 | 37fb59d3 | Gerd Hoffmann | memcpy(dest, desc->data, bLength); |
258 | 37fb59d3 | Gerd Hoffmann | return bLength;
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259 | 37fb59d3 | Gerd Hoffmann | } |
260 | 37fb59d3 | Gerd Hoffmann | |
261 | 2077469b | Gerd Hoffmann | static int usb_desc_cap_usb2_ext(const USBDesc *desc, uint8_t *dest, size_t len) |
262 | 2077469b | Gerd Hoffmann | { |
263 | 2077469b | Gerd Hoffmann | uint8_t bLength = 0x07;
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264 | 2077469b | Gerd Hoffmann | USBDescriptor *d = (void *)dest;
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265 | 2077469b | Gerd Hoffmann | |
266 | 2077469b | Gerd Hoffmann | if (len < bLength) {
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267 | 2077469b | Gerd Hoffmann | return -1; |
268 | 2077469b | Gerd Hoffmann | } |
269 | 2077469b | Gerd Hoffmann | |
270 | 2077469b | Gerd Hoffmann | d->bLength = bLength; |
271 | 2077469b | Gerd Hoffmann | d->bDescriptorType = USB_DT_DEVICE_CAPABILITY; |
272 | 2077469b | Gerd Hoffmann | d->u.cap.bDevCapabilityType = USB_DEV_CAP_USB2_EXT; |
273 | 2077469b | Gerd Hoffmann | |
274 | 2077469b | Gerd Hoffmann | d->u.cap.u.usb2_ext.bmAttributes_1 = (1 << 1); /* LPM */ |
275 | 2077469b | Gerd Hoffmann | d->u.cap.u.usb2_ext.bmAttributes_2 = 0;
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276 | 2077469b | Gerd Hoffmann | d->u.cap.u.usb2_ext.bmAttributes_3 = 0;
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277 | 2077469b | Gerd Hoffmann | d->u.cap.u.usb2_ext.bmAttributes_4 = 0;
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278 | 2077469b | Gerd Hoffmann | |
279 | 2077469b | Gerd Hoffmann | return bLength;
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280 | 2077469b | Gerd Hoffmann | } |
281 | 2077469b | Gerd Hoffmann | |
282 | 2077469b | Gerd Hoffmann | static int usb_desc_cap_super(const USBDesc *desc, uint8_t *dest, size_t len) |
283 | 2077469b | Gerd Hoffmann | { |
284 | 2077469b | Gerd Hoffmann | uint8_t bLength = 0x0a;
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285 | 2077469b | Gerd Hoffmann | USBDescriptor *d = (void *)dest;
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286 | 2077469b | Gerd Hoffmann | |
287 | 2077469b | Gerd Hoffmann | if (len < bLength) {
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288 | 2077469b | Gerd Hoffmann | return -1; |
289 | 2077469b | Gerd Hoffmann | } |
290 | 2077469b | Gerd Hoffmann | |
291 | 2077469b | Gerd Hoffmann | d->bLength = bLength; |
292 | 2077469b | Gerd Hoffmann | d->bDescriptorType = USB_DT_DEVICE_CAPABILITY; |
293 | 2077469b | Gerd Hoffmann | d->u.cap.bDevCapabilityType = USB_DEV_CAP_SUPERSPEED; |
294 | 2077469b | Gerd Hoffmann | |
295 | 2077469b | Gerd Hoffmann | d->u.cap.u.super.bmAttributes = 0;
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296 | 2077469b | Gerd Hoffmann | d->u.cap.u.super.wSpeedsSupported_lo = 0;
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297 | 2077469b | Gerd Hoffmann | d->u.cap.u.super.wSpeedsSupported_hi = 0;
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298 | 2077469b | Gerd Hoffmann | d->u.cap.u.super.bFunctionalitySupport = 0;
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299 | 2077469b | Gerd Hoffmann | d->u.cap.u.super.bU1DevExitLat = 0x0a;
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300 | 2077469b | Gerd Hoffmann | d->u.cap.u.super.wU2DevExitLat_lo = 0x20;
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301 | 2077469b | Gerd Hoffmann | d->u.cap.u.super.wU2DevExitLat_hi = 0;
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302 | 2077469b | Gerd Hoffmann | |
303 | 2077469b | Gerd Hoffmann | if (desc->full) {
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304 | 2077469b | Gerd Hoffmann | d->u.cap.u.super.wSpeedsSupported_lo |= (1 << 1); |
305 | 2077469b | Gerd Hoffmann | d->u.cap.u.super.bFunctionalitySupport = 1;
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306 | 2077469b | Gerd Hoffmann | } |
307 | 2077469b | Gerd Hoffmann | if (desc->high) {
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308 | 2077469b | Gerd Hoffmann | d->u.cap.u.super.wSpeedsSupported_lo |= (1 << 2); |
309 | 2077469b | Gerd Hoffmann | if (!d->u.cap.u.super.bFunctionalitySupport) {
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310 | 2077469b | Gerd Hoffmann | d->u.cap.u.super.bFunctionalitySupport = 2;
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311 | 2077469b | Gerd Hoffmann | } |
312 | 2077469b | Gerd Hoffmann | } |
313 | 2077469b | Gerd Hoffmann | if (desc->super) {
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314 | 2077469b | Gerd Hoffmann | d->u.cap.u.super.wSpeedsSupported_lo |= (1 << 3); |
315 | 2077469b | Gerd Hoffmann | if (!d->u.cap.u.super.bFunctionalitySupport) {
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316 | 2077469b | Gerd Hoffmann | d->u.cap.u.super.bFunctionalitySupport = 3;
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317 | 2077469b | Gerd Hoffmann | } |
318 | 2077469b | Gerd Hoffmann | } |
319 | 2077469b | Gerd Hoffmann | |
320 | 2077469b | Gerd Hoffmann | return bLength;
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321 | 2077469b | Gerd Hoffmann | } |
322 | 2077469b | Gerd Hoffmann | |
323 | 2077469b | Gerd Hoffmann | static int usb_desc_bos(const USBDesc *desc, uint8_t *dest, size_t len) |
324 | 2077469b | Gerd Hoffmann | { |
325 | 2077469b | Gerd Hoffmann | uint8_t bLength = 0x05;
|
326 | 2077469b | Gerd Hoffmann | uint16_t wTotalLength = 0;
|
327 | 2077469b | Gerd Hoffmann | uint8_t bNumDeviceCaps = 0;
|
328 | 2077469b | Gerd Hoffmann | USBDescriptor *d = (void *)dest;
|
329 | 2077469b | Gerd Hoffmann | int rc;
|
330 | 2077469b | Gerd Hoffmann | |
331 | 2077469b | Gerd Hoffmann | if (len < bLength) {
|
332 | 2077469b | Gerd Hoffmann | return -1; |
333 | 2077469b | Gerd Hoffmann | } |
334 | 2077469b | Gerd Hoffmann | |
335 | 2077469b | Gerd Hoffmann | d->bLength = bLength; |
336 | 2077469b | Gerd Hoffmann | d->bDescriptorType = USB_DT_BOS; |
337 | 2077469b | Gerd Hoffmann | |
338 | 2077469b | Gerd Hoffmann | wTotalLength += bLength; |
339 | 2077469b | Gerd Hoffmann | |
340 | 2077469b | Gerd Hoffmann | if (desc->high != NULL) { |
341 | 2077469b | Gerd Hoffmann | rc = usb_desc_cap_usb2_ext(desc, dest + wTotalLength, |
342 | 2077469b | Gerd Hoffmann | len - wTotalLength); |
343 | 2077469b | Gerd Hoffmann | if (rc < 0) { |
344 | 2077469b | Gerd Hoffmann | return rc;
|
345 | 2077469b | Gerd Hoffmann | } |
346 | 2077469b | Gerd Hoffmann | wTotalLength += rc; |
347 | 2077469b | Gerd Hoffmann | bNumDeviceCaps++; |
348 | 2077469b | Gerd Hoffmann | } |
349 | 2077469b | Gerd Hoffmann | |
350 | 2077469b | Gerd Hoffmann | if (desc->super != NULL) { |
351 | 2077469b | Gerd Hoffmann | rc = usb_desc_cap_super(desc, dest + wTotalLength, |
352 | 2077469b | Gerd Hoffmann | len - wTotalLength); |
353 | 2077469b | Gerd Hoffmann | if (rc < 0) { |
354 | 2077469b | Gerd Hoffmann | return rc;
|
355 | 2077469b | Gerd Hoffmann | } |
356 | 2077469b | Gerd Hoffmann | wTotalLength += rc; |
357 | 2077469b | Gerd Hoffmann | bNumDeviceCaps++; |
358 | 2077469b | Gerd Hoffmann | } |
359 | 2077469b | Gerd Hoffmann | |
360 | 2077469b | Gerd Hoffmann | d->u.bos.wTotalLength_lo = usb_lo(wTotalLength); |
361 | 2077469b | Gerd Hoffmann | d->u.bos.wTotalLength_hi = usb_hi(wTotalLength); |
362 | 2077469b | Gerd Hoffmann | d->u.bos.bNumDeviceCaps = bNumDeviceCaps; |
363 | 2077469b | Gerd Hoffmann | return wTotalLength;
|
364 | 2077469b | Gerd Hoffmann | } |
365 | 2077469b | Gerd Hoffmann | |
366 | 132a3f55 | Gerd Hoffmann | /* ------------------------------------------------------------------ */
|
367 | 132a3f55 | Gerd Hoffmann | |
368 | 83a53bbc | Gerd Hoffmann | static void usb_desc_ep_init(USBDevice *dev) |
369 | 83a53bbc | Gerd Hoffmann | { |
370 | 83a53bbc | Gerd Hoffmann | const USBDescIface *iface;
|
371 | 83a53bbc | Gerd Hoffmann | int i, e, pid, ep;
|
372 | 83a53bbc | Gerd Hoffmann | |
373 | 83a53bbc | Gerd Hoffmann | usb_ep_init(dev); |
374 | 83a53bbc | Gerd Hoffmann | for (i = 0; i < dev->ninterfaces; i++) { |
375 | 83a53bbc | Gerd Hoffmann | iface = dev->ifaces[i]; |
376 | 83a53bbc | Gerd Hoffmann | if (iface == NULL) { |
377 | 83a53bbc | Gerd Hoffmann | continue;
|
378 | 83a53bbc | Gerd Hoffmann | } |
379 | 83a53bbc | Gerd Hoffmann | for (e = 0; e < iface->bNumEndpoints; e++) { |
380 | 83a53bbc | Gerd Hoffmann | pid = (iface->eps[e].bEndpointAddress & USB_DIR_IN) ? |
381 | 83a53bbc | Gerd Hoffmann | USB_TOKEN_IN : USB_TOKEN_OUT; |
382 | 83a53bbc | Gerd Hoffmann | ep = iface->eps[e].bEndpointAddress & 0x0f;
|
383 | 83a53bbc | Gerd Hoffmann | usb_ep_set_type(dev, pid, ep, iface->eps[e].bmAttributes & 0x03);
|
384 | 83a53bbc | Gerd Hoffmann | usb_ep_set_ifnum(dev, pid, ep, iface->bInterfaceNumber); |
385 | f003397c | Gerd Hoffmann | usb_ep_set_max_packet_size(dev, pid, ep, |
386 | f003397c | Gerd Hoffmann | iface->eps[e].wMaxPacketSize); |
387 | 83a53bbc | Gerd Hoffmann | } |
388 | 83a53bbc | Gerd Hoffmann | } |
389 | 83a53bbc | Gerd Hoffmann | } |
390 | 83a53bbc | Gerd Hoffmann | |
391 | 1de14d43 | Gerd Hoffmann | static const USBDescIface *usb_desc_find_interface(USBDevice *dev, |
392 | 1de14d43 | Gerd Hoffmann | int nif, int alt) |
393 | 1de14d43 | Gerd Hoffmann | { |
394 | 1de14d43 | Gerd Hoffmann | const USBDescIface *iface;
|
395 | 1de14d43 | Gerd Hoffmann | int g, i;
|
396 | 1de14d43 | Gerd Hoffmann | |
397 | 1de14d43 | Gerd Hoffmann | if (!dev->config) {
|
398 | 1de14d43 | Gerd Hoffmann | return NULL; |
399 | 1de14d43 | Gerd Hoffmann | } |
400 | 1de14d43 | Gerd Hoffmann | for (g = 0; g < dev->config->nif_groups; g++) { |
401 | 1de14d43 | Gerd Hoffmann | for (i = 0; i < dev->config->if_groups[g].nif; i++) { |
402 | 1de14d43 | Gerd Hoffmann | iface = &dev->config->if_groups[g].ifs[i]; |
403 | 1de14d43 | Gerd Hoffmann | if (iface->bInterfaceNumber == nif &&
|
404 | 1de14d43 | Gerd Hoffmann | iface->bAlternateSetting == alt) { |
405 | 1de14d43 | Gerd Hoffmann | return iface;
|
406 | 1de14d43 | Gerd Hoffmann | } |
407 | 1de14d43 | Gerd Hoffmann | } |
408 | 1de14d43 | Gerd Hoffmann | } |
409 | 1de14d43 | Gerd Hoffmann | for (i = 0; i < dev->config->nif; i++) { |
410 | 1de14d43 | Gerd Hoffmann | iface = &dev->config->ifs[i]; |
411 | 1de14d43 | Gerd Hoffmann | if (iface->bInterfaceNumber == nif &&
|
412 | 1de14d43 | Gerd Hoffmann | iface->bAlternateSetting == alt) { |
413 | 1de14d43 | Gerd Hoffmann | return iface;
|
414 | 1de14d43 | Gerd Hoffmann | } |
415 | 1de14d43 | Gerd Hoffmann | } |
416 | 1de14d43 | Gerd Hoffmann | return NULL; |
417 | 1de14d43 | Gerd Hoffmann | } |
418 | 1de14d43 | Gerd Hoffmann | |
419 | 1de14d43 | Gerd Hoffmann | static int usb_desc_set_interface(USBDevice *dev, int index, int value) |
420 | 1de14d43 | Gerd Hoffmann | { |
421 | 1de14d43 | Gerd Hoffmann | const USBDescIface *iface;
|
422 | 1de14d43 | Gerd Hoffmann | int old;
|
423 | 1de14d43 | Gerd Hoffmann | |
424 | 1de14d43 | Gerd Hoffmann | iface = usb_desc_find_interface(dev, index, value); |
425 | 1de14d43 | Gerd Hoffmann | if (iface == NULL) { |
426 | 1de14d43 | Gerd Hoffmann | return -1; |
427 | 1de14d43 | Gerd Hoffmann | } |
428 | 1de14d43 | Gerd Hoffmann | |
429 | 1de14d43 | Gerd Hoffmann | old = dev->altsetting[index]; |
430 | 1de14d43 | Gerd Hoffmann | dev->altsetting[index] = value; |
431 | 1de14d43 | Gerd Hoffmann | dev->ifaces[index] = iface; |
432 | 83a53bbc | Gerd Hoffmann | usb_desc_ep_init(dev); |
433 | 1de14d43 | Gerd Hoffmann | |
434 | 62aed765 | Anthony Liguori | if (old != value) {
|
435 | 62aed765 | Anthony Liguori | usb_device_set_interface(dev, index, old, value); |
436 | 1de14d43 | Gerd Hoffmann | } |
437 | 1de14d43 | Gerd Hoffmann | return 0; |
438 | 1de14d43 | Gerd Hoffmann | } |
439 | 1de14d43 | Gerd Hoffmann | |
440 | 65360511 | Gerd Hoffmann | static int usb_desc_set_config(USBDevice *dev, int value) |
441 | 65360511 | Gerd Hoffmann | { |
442 | 65360511 | Gerd Hoffmann | int i;
|
443 | 65360511 | Gerd Hoffmann | |
444 | 65360511 | Gerd Hoffmann | if (value == 0) { |
445 | 65360511 | Gerd Hoffmann | dev->configuration = 0;
|
446 | 65360511 | Gerd Hoffmann | dev->ninterfaces = 0;
|
447 | 65360511 | Gerd Hoffmann | dev->config = NULL;
|
448 | 65360511 | Gerd Hoffmann | } else {
|
449 | 65360511 | Gerd Hoffmann | for (i = 0; i < dev->device->bNumConfigurations; i++) { |
450 | 65360511 | Gerd Hoffmann | if (dev->device->confs[i].bConfigurationValue == value) {
|
451 | 65360511 | Gerd Hoffmann | dev->configuration = value; |
452 | 65360511 | Gerd Hoffmann | dev->ninterfaces = dev->device->confs[i].bNumInterfaces; |
453 | 65360511 | Gerd Hoffmann | dev->config = dev->device->confs + i; |
454 | 1de14d43 | Gerd Hoffmann | assert(dev->ninterfaces <= USB_MAX_INTERFACES); |
455 | 65360511 | Gerd Hoffmann | } |
456 | 65360511 | Gerd Hoffmann | } |
457 | 65360511 | Gerd Hoffmann | if (i < dev->device->bNumConfigurations) {
|
458 | 65360511 | Gerd Hoffmann | return -1; |
459 | 65360511 | Gerd Hoffmann | } |
460 | 65360511 | Gerd Hoffmann | } |
461 | 1de14d43 | Gerd Hoffmann | |
462 | 1de14d43 | Gerd Hoffmann | for (i = 0; i < dev->ninterfaces; i++) { |
463 | 1de14d43 | Gerd Hoffmann | usb_desc_set_interface(dev, i, 0);
|
464 | 1de14d43 | Gerd Hoffmann | } |
465 | 1de14d43 | Gerd Hoffmann | for (; i < USB_MAX_INTERFACES; i++) {
|
466 | 1de14d43 | Gerd Hoffmann | dev->altsetting[i] = 0;
|
467 | 1de14d43 | Gerd Hoffmann | dev->ifaces[i] = NULL;
|
468 | 1de14d43 | Gerd Hoffmann | } |
469 | 1de14d43 | Gerd Hoffmann | |
470 | 65360511 | Gerd Hoffmann | return 0; |
471 | 65360511 | Gerd Hoffmann | } |
472 | 65360511 | Gerd Hoffmann | |
473 | 32d41919 | Gerd Hoffmann | static void usb_desc_setdefaults(USBDevice *dev) |
474 | a980a065 | Gerd Hoffmann | { |
475 | 62aed765 | Anthony Liguori | const USBDesc *desc = usb_device_get_usb_desc(dev);
|
476 | a980a065 | Gerd Hoffmann | |
477 | a980a065 | Gerd Hoffmann | assert(desc != NULL);
|
478 | 32d41919 | Gerd Hoffmann | switch (dev->speed) {
|
479 | 32d41919 | Gerd Hoffmann | case USB_SPEED_LOW:
|
480 | 32d41919 | Gerd Hoffmann | case USB_SPEED_FULL:
|
481 | 32d41919 | Gerd Hoffmann | dev->device = desc->full; |
482 | 32d41919 | Gerd Hoffmann | break;
|
483 | 32d41919 | Gerd Hoffmann | case USB_SPEED_HIGH:
|
484 | 32d41919 | Gerd Hoffmann | dev->device = desc->high; |
485 | 32d41919 | Gerd Hoffmann | break;
|
486 | 6d51b2bb | Gerd Hoffmann | case USB_SPEED_SUPER:
|
487 | 6d51b2bb | Gerd Hoffmann | dev->device = desc->super; |
488 | 6d51b2bb | Gerd Hoffmann | break;
|
489 | 32d41919 | Gerd Hoffmann | } |
490 | 65360511 | Gerd Hoffmann | usb_desc_set_config(dev, 0);
|
491 | a980a065 | Gerd Hoffmann | } |
492 | a980a065 | Gerd Hoffmann | |
493 | 32d41919 | Gerd Hoffmann | void usb_desc_init(USBDevice *dev)
|
494 | 32d41919 | Gerd Hoffmann | { |
495 | 62aed765 | Anthony Liguori | const USBDesc *desc = usb_device_get_usb_desc(dev);
|
496 | ba3f9bfb | Hans de Goede | |
497 | ba3f9bfb | Hans de Goede | assert(desc != NULL);
|
498 | 32d41919 | Gerd Hoffmann | dev->speed = USB_SPEED_FULL; |
499 | ba3f9bfb | Hans de Goede | dev->speedmask = 0;
|
500 | ba3f9bfb | Hans de Goede | if (desc->full) {
|
501 | ba3f9bfb | Hans de Goede | dev->speedmask |= USB_SPEED_MASK_FULL; |
502 | ba3f9bfb | Hans de Goede | } |
503 | ba3f9bfb | Hans de Goede | if (desc->high) {
|
504 | ba3f9bfb | Hans de Goede | dev->speedmask |= USB_SPEED_MASK_HIGH; |
505 | ba3f9bfb | Hans de Goede | } |
506 | 6d51b2bb | Gerd Hoffmann | if (desc->super) {
|
507 | 6d51b2bb | Gerd Hoffmann | dev->speedmask |= USB_SPEED_MASK_SUPER; |
508 | 6d51b2bb | Gerd Hoffmann | } |
509 | 32d41919 | Gerd Hoffmann | usb_desc_setdefaults(dev); |
510 | 32d41919 | Gerd Hoffmann | } |
511 | 32d41919 | Gerd Hoffmann | |
512 | 32d41919 | Gerd Hoffmann | void usb_desc_attach(USBDevice *dev)
|
513 | 32d41919 | Gerd Hoffmann | { |
514 | 62aed765 | Anthony Liguori | const USBDesc *desc = usb_device_get_usb_desc(dev);
|
515 | 32d41919 | Gerd Hoffmann | |
516 | 32d41919 | Gerd Hoffmann | assert(desc != NULL);
|
517 | 6d51b2bb | Gerd Hoffmann | if (desc->super && (dev->port->speedmask & USB_SPEED_MASK_SUPER)) {
|
518 | 6d51b2bb | Gerd Hoffmann | dev->speed = USB_SPEED_SUPER; |
519 | 6d51b2bb | Gerd Hoffmann | } else if (desc->high && (dev->port->speedmask & USB_SPEED_MASK_HIGH)) { |
520 | 32d41919 | Gerd Hoffmann | dev->speed = USB_SPEED_HIGH; |
521 | 32d41919 | Gerd Hoffmann | } else if (desc->full && (dev->port->speedmask & USB_SPEED_MASK_FULL)) { |
522 | 32d41919 | Gerd Hoffmann | dev->speed = USB_SPEED_FULL; |
523 | 32d41919 | Gerd Hoffmann | } else {
|
524 | 32d41919 | Gerd Hoffmann | fprintf(stderr, "usb: port/device speed mismatch for \"%s\"\n",
|
525 | 62aed765 | Anthony Liguori | usb_device_get_product_desc(dev)); |
526 | 32d41919 | Gerd Hoffmann | return;
|
527 | 32d41919 | Gerd Hoffmann | } |
528 | 32d41919 | Gerd Hoffmann | usb_desc_setdefaults(dev); |
529 | 32d41919 | Gerd Hoffmann | } |
530 | 32d41919 | Gerd Hoffmann | |
531 | 132a3f55 | Gerd Hoffmann | void usb_desc_set_string(USBDevice *dev, uint8_t index, const char *str) |
532 | 132a3f55 | Gerd Hoffmann | { |
533 | 132a3f55 | Gerd Hoffmann | USBDescString *s; |
534 | 132a3f55 | Gerd Hoffmann | |
535 | 132a3f55 | Gerd Hoffmann | QLIST_FOREACH(s, &dev->strings, next) { |
536 | 132a3f55 | Gerd Hoffmann | if (s->index == index) {
|
537 | 132a3f55 | Gerd Hoffmann | break;
|
538 | 132a3f55 | Gerd Hoffmann | } |
539 | 132a3f55 | Gerd Hoffmann | } |
540 | 132a3f55 | Gerd Hoffmann | if (s == NULL) { |
541 | 7267c094 | Anthony Liguori | s = g_malloc0(sizeof(*s));
|
542 | 132a3f55 | Gerd Hoffmann | s->index = index; |
543 | 132a3f55 | Gerd Hoffmann | QLIST_INSERT_HEAD(&dev->strings, s, next); |
544 | 132a3f55 | Gerd Hoffmann | } |
545 | 7267c094 | Anthony Liguori | g_free(s->str); |
546 | 7267c094 | Anthony Liguori | s->str = g_strdup(str); |
547 | 132a3f55 | Gerd Hoffmann | } |
548 | 132a3f55 | Gerd Hoffmann | |
549 | 9d55d1ad | Gerd Hoffmann | /*
|
550 | 9d55d1ad | Gerd Hoffmann | * This function creates a serial number for a usb device.
|
551 | 9d55d1ad | Gerd Hoffmann | * The serial number should:
|
552 | 9d55d1ad | Gerd Hoffmann | * (a) Be unique within the virtual machine.
|
553 | 9d55d1ad | Gerd Hoffmann | * (b) Be constant, so you don't get a new one each
|
554 | 9d55d1ad | Gerd Hoffmann | * time the guest is started.
|
555 | 9d55d1ad | Gerd Hoffmann | * So we are using the physical location to generate a serial number
|
556 | 9d55d1ad | Gerd Hoffmann | * from it. It has three pieces: First a fixed, device-specific
|
557 | 9d55d1ad | Gerd Hoffmann | * prefix. Second the device path of the host controller (which is
|
558 | 9d55d1ad | Gerd Hoffmann | * the pci address in most cases). Third the physical port path.
|
559 | 9d55d1ad | Gerd Hoffmann | * Results in serial numbers like this: "314159-0000:00:1d.7-3".
|
560 | 9d55d1ad | Gerd Hoffmann | */
|
561 | 9d55d1ad | Gerd Hoffmann | void usb_desc_create_serial(USBDevice *dev)
|
562 | 9d55d1ad | Gerd Hoffmann | { |
563 | 9d55d1ad | Gerd Hoffmann | DeviceState *hcd = dev->qdev.parent_bus->parent; |
564 | 9d55d1ad | Gerd Hoffmann | const USBDesc *desc = usb_device_get_usb_desc(dev);
|
565 | 9d55d1ad | Gerd Hoffmann | int index = desc->id.iSerialNumber;
|
566 | 9d55d1ad | Gerd Hoffmann | char serial[64]; |
567 | 09e5ab63 | Anthony Liguori | char *path;
|
568 | 9d55d1ad | Gerd Hoffmann | int dst;
|
569 | 9d55d1ad | Gerd Hoffmann | |
570 | 9d55d1ad | Gerd Hoffmann | assert(index != 0 && desc->str[index] != NULL); |
571 | 9d55d1ad | Gerd Hoffmann | dst = snprintf(serial, sizeof(serial), "%s", desc->str[index]); |
572 | 09e5ab63 | Anthony Liguori | path = qdev_get_dev_path(hcd); |
573 | 09e5ab63 | Anthony Liguori | if (path) {
|
574 | 9d55d1ad | Gerd Hoffmann | dst += snprintf(serial+dst, sizeof(serial)-dst, "-%s", path); |
575 | 9d55d1ad | Gerd Hoffmann | } |
576 | 9d55d1ad | Gerd Hoffmann | dst += snprintf(serial+dst, sizeof(serial)-dst, "-%s", dev->port->path); |
577 | 9d55d1ad | Gerd Hoffmann | usb_desc_set_string(dev, index, serial); |
578 | 9d55d1ad | Gerd Hoffmann | } |
579 | 9d55d1ad | Gerd Hoffmann | |
580 | 132a3f55 | Gerd Hoffmann | const char *usb_desc_get_string(USBDevice *dev, uint8_t index) |
581 | 132a3f55 | Gerd Hoffmann | { |
582 | 132a3f55 | Gerd Hoffmann | USBDescString *s; |
583 | 132a3f55 | Gerd Hoffmann | |
584 | 132a3f55 | Gerd Hoffmann | QLIST_FOREACH(s, &dev->strings, next) { |
585 | 132a3f55 | Gerd Hoffmann | if (s->index == index) {
|
586 | 132a3f55 | Gerd Hoffmann | return s->str;
|
587 | 132a3f55 | Gerd Hoffmann | } |
588 | 132a3f55 | Gerd Hoffmann | } |
589 | 132a3f55 | Gerd Hoffmann | return NULL; |
590 | 132a3f55 | Gerd Hoffmann | } |
591 | 132a3f55 | Gerd Hoffmann | |
592 | 132a3f55 | Gerd Hoffmann | int usb_desc_string(USBDevice *dev, int index, uint8_t *dest, size_t len) |
593 | 37fb59d3 | Gerd Hoffmann | { |
594 | 37fb59d3 | Gerd Hoffmann | uint8_t bLength, pos, i; |
595 | 132a3f55 | Gerd Hoffmann | const char *str; |
596 | 37fb59d3 | Gerd Hoffmann | |
597 | 37fb59d3 | Gerd Hoffmann | if (len < 4) { |
598 | 37fb59d3 | Gerd Hoffmann | return -1; |
599 | 37fb59d3 | Gerd Hoffmann | } |
600 | 37fb59d3 | Gerd Hoffmann | |
601 | 37fb59d3 | Gerd Hoffmann | if (index == 0) { |
602 | 37fb59d3 | Gerd Hoffmann | /* language ids */
|
603 | 37fb59d3 | Gerd Hoffmann | dest[0] = 4; |
604 | 37fb59d3 | Gerd Hoffmann | dest[1] = USB_DT_STRING;
|
605 | 37fb59d3 | Gerd Hoffmann | dest[2] = 0x09; |
606 | 37fb59d3 | Gerd Hoffmann | dest[3] = 0x04; |
607 | 37fb59d3 | Gerd Hoffmann | return 4; |
608 | 37fb59d3 | Gerd Hoffmann | } |
609 | 37fb59d3 | Gerd Hoffmann | |
610 | 132a3f55 | Gerd Hoffmann | str = usb_desc_get_string(dev, index); |
611 | 132a3f55 | Gerd Hoffmann | if (str == NULL) { |
612 | 62aed765 | Anthony Liguori | str = usb_device_get_usb_desc(dev)->str[index]; |
613 | 132a3f55 | Gerd Hoffmann | if (str == NULL) { |
614 | 132a3f55 | Gerd Hoffmann | return 0; |
615 | 132a3f55 | Gerd Hoffmann | } |
616 | 37fb59d3 | Gerd Hoffmann | } |
617 | 132a3f55 | Gerd Hoffmann | |
618 | 132a3f55 | Gerd Hoffmann | bLength = strlen(str) * 2 + 2; |
619 | 37fb59d3 | Gerd Hoffmann | dest[0] = bLength;
|
620 | 37fb59d3 | Gerd Hoffmann | dest[1] = USB_DT_STRING;
|
621 | 37fb59d3 | Gerd Hoffmann | i = 0; pos = 2; |
622 | 37fb59d3 | Gerd Hoffmann | while (pos+1 < bLength && pos+1 < len) { |
623 | 132a3f55 | Gerd Hoffmann | dest[pos++] = str[i++]; |
624 | 37fb59d3 | Gerd Hoffmann | dest[pos++] = 0;
|
625 | 37fb59d3 | Gerd Hoffmann | } |
626 | 37fb59d3 | Gerd Hoffmann | return pos;
|
627 | 37fb59d3 | Gerd Hoffmann | } |
628 | 37fb59d3 | Gerd Hoffmann | |
629 | 9a77a0f5 | Hans de Goede | int usb_desc_get_descriptor(USBDevice *dev, USBPacket *p,
|
630 | 9a77a0f5 | Hans de Goede | int value, uint8_t *dest, size_t len)
|
631 | 37fb59d3 | Gerd Hoffmann | { |
632 | 62aed765 | Anthony Liguori | const USBDesc *desc = usb_device_get_usb_desc(dev);
|
633 | 25620cba | Gerd Hoffmann | const USBDescDevice *other_dev;
|
634 | 37fb59d3 | Gerd Hoffmann | uint8_t buf[256];
|
635 | 37fb59d3 | Gerd Hoffmann | uint8_t type = value >> 8;
|
636 | 37fb59d3 | Gerd Hoffmann | uint8_t index = value & 0xff;
|
637 | b43a2851 | Gerd Hoffmann | int flags, ret = -1; |
638 | 37fb59d3 | Gerd Hoffmann | |
639 | 25620cba | Gerd Hoffmann | if (dev->speed == USB_SPEED_HIGH) {
|
640 | 62aed765 | Anthony Liguori | other_dev = usb_device_get_usb_desc(dev)->full; |
641 | 25620cba | Gerd Hoffmann | } else {
|
642 | 62aed765 | Anthony Liguori | other_dev = usb_device_get_usb_desc(dev)->high; |
643 | 25620cba | Gerd Hoffmann | } |
644 | 25620cba | Gerd Hoffmann | |
645 | b43a2851 | Gerd Hoffmann | flags = 0;
|
646 | b43a2851 | Gerd Hoffmann | if (dev->device->bcdUSB >= 0x0300) { |
647 | b43a2851 | Gerd Hoffmann | flags |= USB_DESC_FLAG_SUPER; |
648 | b43a2851 | Gerd Hoffmann | } |
649 | b43a2851 | Gerd Hoffmann | |
650 | 37fb59d3 | Gerd Hoffmann | switch(type) {
|
651 | 37fb59d3 | Gerd Hoffmann | case USB_DT_DEVICE:
|
652 | a980a065 | Gerd Hoffmann | ret = usb_desc_device(&desc->id, dev->device, buf, sizeof(buf));
|
653 | 37fb59d3 | Gerd Hoffmann | trace_usb_desc_device(dev->addr, len, ret); |
654 | 37fb59d3 | Gerd Hoffmann | break;
|
655 | 37fb59d3 | Gerd Hoffmann | case USB_DT_CONFIG:
|
656 | a980a065 | Gerd Hoffmann | if (index < dev->device->bNumConfigurations) {
|
657 | b43a2851 | Gerd Hoffmann | ret = usb_desc_config(dev->device->confs + index, flags, |
658 | b43a2851 | Gerd Hoffmann | buf, sizeof(buf));
|
659 | 37fb59d3 | Gerd Hoffmann | } |
660 | 37fb59d3 | Gerd Hoffmann | trace_usb_desc_config(dev->addr, index, len, ret); |
661 | 37fb59d3 | Gerd Hoffmann | break;
|
662 | 37fb59d3 | Gerd Hoffmann | case USB_DT_STRING:
|
663 | 132a3f55 | Gerd Hoffmann | ret = usb_desc_string(dev, index, buf, sizeof(buf));
|
664 | 37fb59d3 | Gerd Hoffmann | trace_usb_desc_string(dev->addr, index, len, ret); |
665 | 37fb59d3 | Gerd Hoffmann | break;
|
666 | 25620cba | Gerd Hoffmann | case USB_DT_DEVICE_QUALIFIER:
|
667 | 25620cba | Gerd Hoffmann | if (other_dev != NULL) { |
668 | 25620cba | Gerd Hoffmann | ret = usb_desc_device_qualifier(other_dev, buf, sizeof(buf));
|
669 | 25620cba | Gerd Hoffmann | } |
670 | 25620cba | Gerd Hoffmann | trace_usb_desc_device_qualifier(dev->addr, len, ret); |
671 | 25620cba | Gerd Hoffmann | break;
|
672 | 25620cba | Gerd Hoffmann | case USB_DT_OTHER_SPEED_CONFIG:
|
673 | 25620cba | Gerd Hoffmann | if (other_dev != NULL && index < other_dev->bNumConfigurations) { |
674 | b43a2851 | Gerd Hoffmann | ret = usb_desc_config(other_dev->confs + index, flags, |
675 | b43a2851 | Gerd Hoffmann | buf, sizeof(buf));
|
676 | 25620cba | Gerd Hoffmann | buf[0x01] = USB_DT_OTHER_SPEED_CONFIG;
|
677 | 25620cba | Gerd Hoffmann | } |
678 | 25620cba | Gerd Hoffmann | trace_usb_desc_other_speed_config(dev->addr, index, len, ret); |
679 | 25620cba | Gerd Hoffmann | break;
|
680 | 2077469b | Gerd Hoffmann | case USB_DT_BOS:
|
681 | 2077469b | Gerd Hoffmann | ret = usb_desc_bos(desc, buf, sizeof(buf));
|
682 | 2077469b | Gerd Hoffmann | trace_usb_desc_bos(dev->addr, len, ret); |
683 | 2077469b | Gerd Hoffmann | break;
|
684 | 25620cba | Gerd Hoffmann | |
685 | a7fb71d1 | Gerd Hoffmann | case USB_DT_DEBUG:
|
686 | a7fb71d1 | Gerd Hoffmann | /* ignore silently */
|
687 | a7fb71d1 | Gerd Hoffmann | break;
|
688 | a7fb71d1 | Gerd Hoffmann | |
689 | 37fb59d3 | Gerd Hoffmann | default:
|
690 | 37fb59d3 | Gerd Hoffmann | fprintf(stderr, "%s: %d unknown type %d (len %zd)\n", __FUNCTION__,
|
691 | 37fb59d3 | Gerd Hoffmann | dev->addr, type, len); |
692 | 37fb59d3 | Gerd Hoffmann | break;
|
693 | 37fb59d3 | Gerd Hoffmann | } |
694 | 37fb59d3 | Gerd Hoffmann | |
695 | 37fb59d3 | Gerd Hoffmann | if (ret > 0) { |
696 | 37fb59d3 | Gerd Hoffmann | if (ret > len) {
|
697 | 37fb59d3 | Gerd Hoffmann | ret = len; |
698 | 37fb59d3 | Gerd Hoffmann | } |
699 | 37fb59d3 | Gerd Hoffmann | memcpy(dest, buf, ret); |
700 | 9a77a0f5 | Hans de Goede | p->actual_length = ret; |
701 | 9a77a0f5 | Hans de Goede | ret = 0;
|
702 | 37fb59d3 | Gerd Hoffmann | } |
703 | 37fb59d3 | Gerd Hoffmann | return ret;
|
704 | 37fb59d3 | Gerd Hoffmann | } |
705 | 37fb59d3 | Gerd Hoffmann | |
706 | 007fd62f | Hans de Goede | int usb_desc_handle_control(USBDevice *dev, USBPacket *p,
|
707 | 007fd62f | Hans de Goede | int request, int value, int index, int length, uint8_t *data) |
708 | 37fb59d3 | Gerd Hoffmann | { |
709 | 62aed765 | Anthony Liguori | const USBDesc *desc = usb_device_get_usb_desc(dev);
|
710 | 65360511 | Gerd Hoffmann | int ret = -1; |
711 | 37fb59d3 | Gerd Hoffmann | |
712 | 37fb59d3 | Gerd Hoffmann | assert(desc != NULL);
|
713 | 37fb59d3 | Gerd Hoffmann | switch(request) {
|
714 | 41c6abbd | Gerd Hoffmann | case DeviceOutRequest | USB_REQ_SET_ADDRESS:
|
715 | 41c6abbd | Gerd Hoffmann | dev->addr = value; |
716 | 41c6abbd | Gerd Hoffmann | trace_usb_set_addr(dev->addr); |
717 | 41c6abbd | Gerd Hoffmann | ret = 0;
|
718 | 41c6abbd | Gerd Hoffmann | break;
|
719 | 41c6abbd | Gerd Hoffmann | |
720 | 37fb59d3 | Gerd Hoffmann | case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
|
721 | 9a77a0f5 | Hans de Goede | ret = usb_desc_get_descriptor(dev, p, value, data, length); |
722 | 37fb59d3 | Gerd Hoffmann | break;
|
723 | a980a065 | Gerd Hoffmann | |
724 | a980a065 | Gerd Hoffmann | case DeviceRequest | USB_REQ_GET_CONFIGURATION:
|
725 | 8db36e9d | Alon Levy | /*
|
726 | 8db36e9d | Alon Levy | * 9.4.2: 0 should be returned if the device is unconfigured, otherwise
|
727 | 8db36e9d | Alon Levy | * the non zero value of bConfigurationValue.
|
728 | 8db36e9d | Alon Levy | */
|
729 | 8db36e9d | Alon Levy | data[0] = dev->config ? dev->config->bConfigurationValue : 0; |
730 | 9a77a0f5 | Hans de Goede | p->actual_length = 1;
|
731 | 9a77a0f5 | Hans de Goede | ret = 0;
|
732 | a980a065 | Gerd Hoffmann | break;
|
733 | a980a065 | Gerd Hoffmann | case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
|
734 | 65360511 | Gerd Hoffmann | ret = usb_desc_set_config(dev, value); |
735 | a980a065 | Gerd Hoffmann | trace_usb_set_config(dev->addr, value, ret); |
736 | a980a065 | Gerd Hoffmann | break;
|
737 | ed5a83dd | Gerd Hoffmann | |
738 | 8db36e9d | Alon Levy | case DeviceRequest | USB_REQ_GET_STATUS: {
|
739 | 8db36e9d | Alon Levy | const USBDescConfig *config = dev->config ?
|
740 | 8db36e9d | Alon Levy | dev->config : &dev->device->confs[0];
|
741 | 8db36e9d | Alon Levy | |
742 | ed5a83dd | Gerd Hoffmann | data[0] = 0; |
743 | 8db36e9d | Alon Levy | /*
|
744 | 8db36e9d | Alon Levy | * Default state: Device behavior when this request is received while
|
745 | 8db36e9d | Alon Levy | * the device is in the Default state is not specified.
|
746 | 8db36e9d | Alon Levy | * We return the same value that a configured device would return if
|
747 | 8db36e9d | Alon Levy | * it used the first configuration.
|
748 | 8db36e9d | Alon Levy | */
|
749 | 8db36e9d | Alon Levy | if (config->bmAttributes & 0x40) { |
750 | ed5a83dd | Gerd Hoffmann | data[0] |= 1 << USB_DEVICE_SELF_POWERED; |
751 | ed5a83dd | Gerd Hoffmann | } |
752 | ed5a83dd | Gerd Hoffmann | if (dev->remote_wakeup) {
|
753 | ed5a83dd | Gerd Hoffmann | data[0] |= 1 << USB_DEVICE_REMOTE_WAKEUP; |
754 | ed5a83dd | Gerd Hoffmann | } |
755 | ed5a83dd | Gerd Hoffmann | data[1] = 0x00; |
756 | 9a77a0f5 | Hans de Goede | p->actual_length = 2;
|
757 | 9a77a0f5 | Hans de Goede | ret = 0;
|
758 | ed5a83dd | Gerd Hoffmann | break;
|
759 | 8db36e9d | Alon Levy | } |
760 | ed5a83dd | Gerd Hoffmann | case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
|
761 | ed5a83dd | Gerd Hoffmann | if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
762 | ed5a83dd | Gerd Hoffmann | dev->remote_wakeup = 0;
|
763 | ed5a83dd | Gerd Hoffmann | ret = 0;
|
764 | ed5a83dd | Gerd Hoffmann | } |
765 | ed5a83dd | Gerd Hoffmann | trace_usb_clear_device_feature(dev->addr, value, ret); |
766 | ed5a83dd | Gerd Hoffmann | break;
|
767 | ed5a83dd | Gerd Hoffmann | case DeviceOutRequest | USB_REQ_SET_FEATURE:
|
768 | ed5a83dd | Gerd Hoffmann | if (value == USB_DEVICE_REMOTE_WAKEUP) {
|
769 | ed5a83dd | Gerd Hoffmann | dev->remote_wakeup = 1;
|
770 | ed5a83dd | Gerd Hoffmann | ret = 0;
|
771 | ed5a83dd | Gerd Hoffmann | } |
772 | ed5a83dd | Gerd Hoffmann | trace_usb_set_device_feature(dev->addr, value, ret); |
773 | ed5a83dd | Gerd Hoffmann | break;
|
774 | 1de14d43 | Gerd Hoffmann | |
775 | 1de14d43 | Gerd Hoffmann | case InterfaceRequest | USB_REQ_GET_INTERFACE:
|
776 | 1de14d43 | Gerd Hoffmann | if (index < 0 || index >= dev->ninterfaces) { |
777 | 1de14d43 | Gerd Hoffmann | break;
|
778 | 1de14d43 | Gerd Hoffmann | } |
779 | 1de14d43 | Gerd Hoffmann | data[0] = dev->altsetting[index];
|
780 | 9a77a0f5 | Hans de Goede | p->actual_length = 1;
|
781 | 9a77a0f5 | Hans de Goede | ret = 0;
|
782 | 1de14d43 | Gerd Hoffmann | break;
|
783 | 1de14d43 | Gerd Hoffmann | case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
|
784 | 1de14d43 | Gerd Hoffmann | ret = usb_desc_set_interface(dev, index, value); |
785 | 1de14d43 | Gerd Hoffmann | trace_usb_set_interface(dev->addr, index, value, ret); |
786 | 1de14d43 | Gerd Hoffmann | break;
|
787 | 1de14d43 | Gerd Hoffmann | |
788 | 37fb59d3 | Gerd Hoffmann | } |
789 | 37fb59d3 | Gerd Hoffmann | return ret;
|
790 | 37fb59d3 | Gerd Hoffmann | } |