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1 | #include <stdio.h> | |
2 | #include <stdlib.h> | |
3 | #include <unistd.h> | |
4 | #include <string.h> | |
5 | #include <strings.h> | |
6 | #include <usb.h> | |
7 | #include <errno.h> | |
8 | #include <pthread.h> | |
9 | #include "usb-driver.h" | |
10 | #include "xpcu.h" | |
11 | ||
12 | struct xpcu_s { | |
13 | struct usb_device *dev; | |
14 | usb_dev_handle *handle; | |
15 | int interface; | |
16 | int alternate; | |
17 | unsigned long card_type; | |
18 | pthread_mutex_t interrupt; | |
19 | }; | |
20 | ||
21 | static struct usb_bus *busses = NULL; | |
22 | static pthread_mutex_t dummy_interrupt = PTHREAD_MUTEX_INITIALIZER; | |
23 | ||
24 | int xpcu_deviceinfo(struct usb_get_device_data *ugdd) { | |
25 | struct xpcu_s *xpcu = (struct xpcu_s*)ugdd->dwUniqueID; | |
26 | int i,j,k,l; | |
27 | int len = 0; | |
28 | unsigned char *buf = NULL; | |
29 | WDU_CONFIGURATION **pConfigs, **pActiveConfig; | |
30 | WDU_INTERFACE **pActiveInterface; | |
31 | ||
32 | if (!xpcu) | |
33 | return -ENODEV; | |
34 | ||
35 | if (ugdd->dwBytes) | |
36 | buf = ugdd->pBuf; | |
37 | ||
38 | if (buf) { | |
39 | struct usb_device_info *udi = (struct usb_device_info*)(buf+len); | |
40 | ||
41 | udi->Descriptor.bLength = sizeof(WDU_DEVICE_DESCRIPTOR); | |
42 | udi->Descriptor.bDescriptorType = xpcu->dev->descriptor.bDescriptorType; | |
43 | udi->Descriptor.bcdUSB = xpcu->dev->descriptor.bcdUSB; | |
44 | udi->Descriptor.bDeviceClass = xpcu->dev->descriptor.bDeviceClass; | |
45 | udi->Descriptor.bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass; | |
46 | udi->Descriptor.bDeviceProtocol = xpcu->dev->descriptor.bDeviceProtocol; | |
47 | udi->Descriptor.bMaxPacketSize0 = xpcu->dev->descriptor.bMaxPacketSize0; | |
48 | udi->Descriptor.idVendor = xpcu->dev->descriptor.idVendor; | |
49 | udi->Descriptor.idProduct = xpcu->dev->descriptor.idProduct; | |
50 | udi->Descriptor.bcdDevice = xpcu->dev->descriptor.bcdDevice; | |
51 | udi->Descriptor.iManufacturer = xpcu->dev->descriptor.iManufacturer; | |
52 | udi->Descriptor.iProduct = xpcu->dev->descriptor.iProduct; | |
53 | udi->Descriptor.iSerialNumber = xpcu->dev->descriptor.iSerialNumber; | |
54 | udi->Descriptor.bNumConfigurations = xpcu->dev->descriptor.bNumConfigurations; | |
55 | ||
56 | /* TODO: Fix Pipe0! */ | |
57 | udi->Pipe0.dwNumber = 0x00; | |
58 | udi->Pipe0.dwMaximumPacketSize = xpcu->dev->descriptor.bMaxPacketSize0; | |
59 | udi->Pipe0.type = 0; | |
60 | udi->Pipe0.direction = WDU_DIR_IN_OUT; | |
61 | udi->Pipe0.dwInterval = 0; | |
62 | ||
63 | pConfigs = &(udi->pConfigs); | |
64 | pActiveConfig = &(udi->pActiveConfig); | |
65 | pActiveInterface = &(udi->pActiveInterface[0]); | |
66 | } | |
67 | ||
68 | len = sizeof(struct usb_device_info); | |
69 | ||
70 | for (i=0; i<xpcu->dev->descriptor.bNumConfigurations; i++) | |
71 | { | |
72 | struct usb_config_descriptor *conf_desc = &xpcu->dev->config[i]; | |
73 | WDU_INTERFACE **pInterfaces; | |
74 | WDU_ALTERNATE_SETTING **pAlternateSettings[conf_desc->bNumInterfaces]; | |
75 | WDU_ALTERNATE_SETTING **pActiveAltSetting[conf_desc->bNumInterfaces]; | |
76 | ||
77 | if (buf) { | |
78 | WDU_CONFIGURATION *cfg = (WDU_CONFIGURATION*)(buf+len); | |
79 | ||
80 | *pConfigs = cfg; | |
81 | *pActiveConfig = cfg; | |
82 | ||
83 | cfg->Descriptor.bLength = conf_desc->bLength; | |
84 | cfg->Descriptor.bDescriptorType = conf_desc->bDescriptorType; | |
85 | cfg->Descriptor.wTotalLength = conf_desc->wTotalLength; | |
86 | cfg->Descriptor.bNumInterfaces = conf_desc->bNumInterfaces; | |
87 | cfg->Descriptor.bConfigurationValue = conf_desc->bConfigurationValue; | |
88 | cfg->Descriptor.iConfiguration = conf_desc->iConfiguration; | |
89 | cfg->Descriptor.bmAttributes = conf_desc->bmAttributes; | |
90 | cfg->Descriptor.MaxPower = conf_desc->MaxPower; | |
91 | ||
92 | cfg->dwNumInterfaces = conf_desc->bNumInterfaces; | |
93 | ||
94 | pInterfaces = &(cfg->pInterfaces); | |
95 | } | |
96 | len += sizeof(WDU_CONFIGURATION); | |
97 | ||
98 | if (buf) { | |
99 | *pInterfaces = (WDU_INTERFACE*)(buf+len); | |
100 | for (j=0; j<conf_desc->bNumInterfaces; j++) { | |
101 | WDU_INTERFACE *iface = (WDU_INTERFACE*)(buf+len); | |
102 | ||
103 | pActiveInterface[j] = iface; | |
104 | ||
105 | pAlternateSettings[j] = &(iface->pAlternateSettings); | |
106 | iface->dwNumAltSettings = xpcu->dev->config[i].interface[j].num_altsetting; | |
107 | pActiveAltSetting[j] = &(iface->pActiveAltSetting); | |
108 | ||
109 | len += sizeof(WDU_INTERFACE); | |
110 | } | |
111 | } else { | |
112 | len += sizeof(WDU_INTERFACE) * conf_desc->bNumInterfaces; | |
113 | } | |
114 | ||
115 | for (j=0; j<conf_desc->bNumInterfaces; j++) | |
116 | { | |
117 | struct usb_interface *interface = &xpcu->dev->config[i].interface[j]; | |
118 | ||
119 | if (buf) { | |
120 | *pAlternateSettings[j] = (WDU_ALTERNATE_SETTING*)(buf+len); | |
121 | /* FIXME: */ | |
122 | *pActiveAltSetting[j] = (WDU_ALTERNATE_SETTING*)(buf+len); | |
123 | } | |
124 | ||
125 | for(k=0; k<interface->num_altsetting; k++) | |
126 | { | |
127 | unsigned char bNumEndpoints = interface->altsetting[k].bNumEndpoints; | |
128 | WDU_ENDPOINT_DESCRIPTOR **pEndpointDescriptors; | |
129 | WDU_PIPE_INFO **pPipes; | |
130 | ||
131 | if (buf) { | |
132 | WDU_ALTERNATE_SETTING *altset = (WDU_ALTERNATE_SETTING*)(buf+len); | |
133 | ||
134 | altset->Descriptor.bLength = interface->altsetting[k].bLength; | |
135 | altset->Descriptor.bDescriptorType = interface->altsetting[k].bDescriptorType; | |
136 | altset->Descriptor.bInterfaceNumber = interface->altsetting[k].bInterfaceNumber; | |
137 | altset->Descriptor.bAlternateSetting = interface->altsetting[k].bAlternateSetting; | |
138 | altset->Descriptor.bNumEndpoints = interface->altsetting[k].bNumEndpoints; | |
139 | altset->Descriptor.bInterfaceClass = interface->altsetting[k].bInterfaceClass; | |
140 | altset->Descriptor.bInterfaceSubClass = interface->altsetting[k].bInterfaceSubClass; | |
141 | altset->Descriptor.bInterfaceProtocol = interface->altsetting[k].bInterfaceProtocol; | |
142 | altset->Descriptor.iInterface = interface->altsetting[k].iInterface; | |
143 | pEndpointDescriptors = &(altset->pEndpointDescriptors); | |
144 | pPipes = &(altset->pPipes); | |
145 | ||
146 | } | |
147 | len +=sizeof(WDU_ALTERNATE_SETTING); | |
148 | ||
149 | if (buf) { | |
150 | *pEndpointDescriptors = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len); | |
151 | for (l = 0; l < bNumEndpoints; l++) { | |
152 | WDU_ENDPOINT_DESCRIPTOR *ed = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len); | |
153 | ||
154 | ed->bLength = interface->altsetting[k].endpoint[l].bLength; | |
155 | ed->bDescriptorType = interface->altsetting[k].endpoint[l].bDescriptorType; | |
156 | ed->bEndpointAddress = interface->altsetting[k].endpoint[l].bEndpointAddress; | |
157 | ed->bmAttributes = interface->altsetting[k].endpoint[l].bmAttributes; | |
158 | ed->wMaxPacketSize = interface->altsetting[k].endpoint[l].wMaxPacketSize; | |
159 | ed->bInterval = interface->altsetting[k].endpoint[l].bInterval; | |
160 | ||
161 | len += sizeof(WDU_ENDPOINT_DESCRIPTOR); | |
162 | } | |
163 | ||
164 | *pPipes = (WDU_PIPE_INFO*)(buf+len); | |
165 | for (l = 0; l < bNumEndpoints; l++) { | |
166 | WDU_PIPE_INFO *pi = (WDU_PIPE_INFO*)(buf+len); | |
167 | ||
168 | pi->dwNumber = interface->altsetting[k].endpoint[l].bEndpointAddress; | |
169 | pi->dwMaximumPacketSize = WDU_GET_MAX_PACKET_SIZE(interface->altsetting[k].endpoint[l].wMaxPacketSize); | |
170 | pi->type = interface->altsetting[k].endpoint[l].bmAttributes & USB_ENDPOINT_TYPE_MASK; | |
171 | if (pi->type == PIPE_TYPE_CONTROL) | |
172 | pi->direction = WDU_DIR_IN_OUT; | |
173 | else | |
174 | { | |
175 | pi->direction = interface->altsetting[k].endpoint[l].bEndpointAddress & USB_ENDPOINT_DIR_MASK ? WDU_DIR_IN : WDU_DIR_OUT; | |
176 | } | |
177 | ||
178 | pi->dwInterval = interface->altsetting[k].endpoint[l].bInterval; | |
179 | ||
180 | len += sizeof(WDU_PIPE_INFO); | |
181 | } | |
182 | } else { | |
183 | len +=(sizeof(WDU_ENDPOINT_DESCRIPTOR)+sizeof(WDU_PIPE_INFO))*bNumEndpoints; | |
184 | } | |
185 | } | |
186 | } | |
187 | } | |
188 | ||
189 | ugdd->dwBytes = len; | |
190 | ||
191 | return 0; | |
192 | } | |
193 | ||
194 | static int xpcu_claim(struct xpcu_s *xpcu, int claim) { | |
195 | int ret = 0; | |
196 | static int claimed = 0; | |
197 | ||
198 | if (xpcu->interface < 0) | |
199 | return -1; | |
200 | ||
201 | if (claim == XPCU_CLAIM) { | |
202 | if (claimed) | |
203 | return 0; | |
204 | ||
205 | ret = usb_claim_interface(xpcu->handle, xpcu->interface); | |
206 | if (!ret) { | |
207 | claimed = 1; | |
208 | ret = usb_set_altinterface(xpcu->handle, xpcu->alternate); | |
209 | if (ret) | |
210 | fprintf(stderr, "usb_set_altinterface: %d\n", ret); | |
211 | } else { | |
212 | fprintf(stderr, "usb_claim_interface: %d -> %d (%s)\n", | |
213 | xpcu->interface, ret, usb_strerror()); | |
214 | } | |
215 | } else { | |
216 | if (!claimed) | |
217 | return 0; | |
218 | ||
219 | ret = usb_release_interface(xpcu->handle, xpcu->interface); | |
220 | if (!ret) | |
221 | claimed = 0; | |
222 | } | |
223 | ||
224 | return ret; | |
225 | } | |
226 | ||
227 | int xpcu_transfer(struct usb_transfer *ut) { | |
228 | struct xpcu_s *xpcu = (struct xpcu_s*)ut->dwUniqueID; | |
229 | int ret = 0; | |
230 | ||
231 | if (!xpcu) | |
232 | return -ENODEV; | |
233 | ||
234 | xpcu_claim(xpcu, XPCU_CLAIM); | |
235 | /* http://www.jungo.com/support/documentation/windriver/802/wdusb_man_mhtml/node55.html#SECTION001213000000000000000 */ | |
236 | if (ut->dwPipeNum == 0) { /* control pipe */ | |
237 | int requesttype, request, value, index, size; | |
238 | requesttype = ut->SetupPacket[0]; | |
239 | request = ut->SetupPacket[1]; | |
240 | value = ut->SetupPacket[2] | (ut->SetupPacket[3] << 8); | |
241 | index = ut->SetupPacket[4] | (ut->SetupPacket[5] << 8); | |
242 | size = ut->SetupPacket[6] | (ut->SetupPacket[7] << 8); | |
243 | DPRINTF("-> requesttype: %x, request: %x, value: %u, index: %u, size: %u\n", requesttype, request, value, index, size); | |
244 | ret = usb_control_msg(xpcu->handle, requesttype, request, value, index, ut->pBuffer, size, ut->dwTimeout); | |
245 | } else { | |
246 | if (ut->fRead) { | |
247 | ret = usb_bulk_read(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout); | |
248 | } else { | |
249 | ret = usb_bulk_write(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout); | |
250 | } | |
251 | xpcu_claim(xpcu, XPCU_RELEASE); | |
252 | } | |
253 | ||
254 | if (ret < 0) { | |
255 | fprintf(stderr, "usb_transfer: %d (%s)\n", ret, usb_strerror()); | |
256 | } else { | |
257 | ut->dwBytesTransferred = ret; | |
258 | ret = 0; | |
259 | } | |
260 | ||
261 | return ret; | |
262 | } | |
263 | ||
264 | int xpcu_set_interface(struct usb_set_interface *usi) { | |
265 | struct xpcu_s *xpcu = (struct xpcu_s*)usi->dwUniqueID; | |
266 | ||
267 | if (!xpcu) | |
268 | return -ENODEV; | |
269 | ||
270 | if (xpcu->dev) { | |
271 | if (!xpcu->handle) { | |
272 | xpcu->handle = usb_open(xpcu->dev); | |
273 | #ifndef NO_USB_RESET | |
274 | if (xpcu->handle) { | |
275 | usb_reset(xpcu->handle); | |
276 | xpcu->handle = usb_open(xpcu->dev); | |
277 | } | |
278 | #endif | |
279 | } | |
280 | ||
281 | xpcu->interface = xpcu->dev->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber; | |
282 | xpcu->alternate = usi->dwAlternateSetting; | |
283 | } | |
284 | ||
285 | return 0; | |
286 | } | |
287 | ||
288 | static void xpcu_init(void) { | |
289 | if (busses) | |
290 | return; | |
291 | ||
292 | usb_init(); | |
293 | usb_find_busses(); | |
294 | usb_find_devices(); | |
295 | ||
296 | busses = usb_get_busses(); | |
297 | ||
298 | pthread_mutex_init(&dummy_interrupt, NULL); | |
299 | } | |
300 | ||
301 | ||
302 | int xpcu_find(struct event *e) { | |
303 | struct xpcu_s *xpcu = NULL; | |
304 | char* devpos; | |
305 | struct usb_bus *bus; | |
306 | int busnum = -1, devnum = -1; | |
307 | int i; | |
308 | ||
309 | xpcu_init(); | |
310 | ||
311 | devpos = getenv("XILINX_USB_DEV"); | |
312 | if (devpos != NULL) { | |
313 | int j; | |
314 | char *devstr = NULL, *remainder; | |
315 | ||
316 | DPRINTF("XILINX_USB_DEV=%s\n", devpos); | |
317 | ||
318 | for (j = 0; j < strlen(devpos) && devpos[j] != 0; j++) { | |
319 | if (devpos[j] == ':') { | |
320 | devpos[j] = 0; | |
321 | devstr = &(devpos[j+1]); | |
322 | } | |
323 | } | |
324 | ||
325 | if (devstr && strlen(devstr) > 0) { | |
326 | busnum = strtol(devpos, &remainder, 10); | |
327 | if (devpos == remainder) { | |
328 | busnum = -1; | |
329 | } else { | |
330 | devnum = strtol(devstr, &remainder, 10); | |
331 | if (devstr == remainder) { | |
332 | busnum = -1; | |
333 | devnum = -1; | |
334 | } else { | |
335 | fprintf(stderr,"Using XILINX platform cable USB at %03d:%03d\n", | |
336 | busnum, devnum); | |
337 | } | |
338 | } | |
339 | } | |
340 | } | |
341 | ||
342 | for (i = 0; i < e->dwNumMatchTables; i++) { | |
343 | ||
344 | DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n", | |
345 | e->matchTables[i].VendorId, | |
346 | e->matchTables[i].ProductId, | |
347 | e->matchTables[i].bDeviceClass, | |
348 | e->matchTables[i].bDeviceSubClass, | |
349 | e->matchTables[i].bInterfaceClass, | |
350 | e->matchTables[i].bInterfaceSubClass, | |
351 | e->matchTables[i].bInterfaceProtocol); | |
352 | ||
353 | for (bus = busses; bus; bus = bus->next) { | |
354 | struct usb_device *dev; | |
355 | ||
356 | if ((devnum != -1) && (strtol(bus->dirname, NULL, 10) != busnum)) | |
357 | continue; | |
358 | ||
359 | for (dev = bus->devices; dev; dev = dev->next) { | |
360 | struct usb_device_descriptor *desc = &(dev->descriptor); | |
361 | ||
362 | if((desc->idVendor == e->matchTables[i].VendorId) && | |
363 | (desc->idProduct == e->matchTables[i].ProductId) && | |
364 | (desc->bDeviceClass == e->matchTables[i].bDeviceClass) && | |
365 | (desc->bDeviceSubClass == e->matchTables[i].bDeviceSubClass) && | |
366 | ((devnum == -1) || (strtol(dev->filename, NULL, 10) == devnum)) ) { | |
367 | int ac; | |
368 | for (ac = 0; ac < desc->bNumConfigurations; ac++) { | |
369 | struct usb_interface *interface = dev->config[ac].interface; | |
370 | int ai; | |
371 | ||
372 | for (ai = 0; ai < interface->num_altsetting; ai++) { | |
373 | ||
374 | DPRINTF("intclass: %x, intsubclass: %x, intproto: %x\n", | |
375 | interface->altsetting[i].bInterfaceClass, | |
376 | interface->altsetting[i].bInterfaceSubClass, | |
377 | interface->altsetting[i].bInterfaceProtocol); | |
378 | ||
379 | if ((interface->altsetting[ai].bInterfaceSubClass == e->matchTables[i].bInterfaceSubClass) && | |
380 | (interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){ | |
381 | /* TODO: check interfaceClass! */ | |
382 | DPRINTF("found device with libusb\n"); | |
383 | ||
384 | xpcu = malloc(sizeof(struct xpcu_s)); | |
385 | if (!xpcu) | |
386 | return -ENOMEM; | |
387 | ||
388 | bzero(xpcu, sizeof(struct xpcu_s)); | |
389 | xpcu->interface = -1; | |
390 | xpcu->alternate = -1; | |
391 | xpcu->dev = dev; | |
392 | xpcu->card_type = e->dwCardType; | |
393 | pthread_mutex_init(&xpcu->interrupt, NULL); | |
394 | e->handle = (unsigned long)&xpcu; | |
395 | } | |
396 | } | |
397 | } | |
398 | } | |
399 | } | |
400 | } | |
401 | } | |
402 | ||
403 | e->handle = (unsigned long)xpcu; | |
404 | ||
405 | return 0; | |
406 | } | |
407 | ||
408 | int xpcu_found(struct event *e) { | |
409 | struct xpcu_s *xpcu = (struct xpcu_s*)e->handle; | |
410 | ||
411 | if (xpcu && xpcu->dev) { | |
412 | struct usb_interface *interface = xpcu->dev->config->interface; | |
413 | ||
414 | e->dwCardType = xpcu->card_type; | |
415 | e->dwAction = 1; | |
416 | e->dwEventId = 1; | |
417 | e->u.Usb.dwUniqueID = e->handle; | |
418 | e->matchTables[0].VendorId = xpcu->dev->descriptor.idVendor; | |
419 | e->matchTables[0].ProductId = xpcu->dev->descriptor.idProduct; | |
420 | e->matchTables[0].bDeviceClass = xpcu->dev->descriptor.bDeviceClass; | |
421 | e->matchTables[0].bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass; | |
422 | e->matchTables[0].bInterfaceClass = interface->altsetting[0].bInterfaceClass; | |
423 | e->matchTables[0].bInterfaceSubClass = interface->altsetting[0].bInterfaceSubClass; | |
424 | e->matchTables[0].bInterfaceProtocol = interface->altsetting[0].bInterfaceProtocol; | |
425 | } | |
426 | ||
427 | return 0; | |
428 | } | |
429 | ||
430 | int xpcu_close(struct event *e) { | |
431 | struct xpcu_s *xpcu = (struct xpcu_s*)e->handle; | |
432 | ||
433 | if (!xpcu) | |
434 | return -ENODEV; | |
435 | ||
436 | if(xpcu) { | |
437 | if (xpcu->handle) { | |
438 | xpcu_claim(xpcu, XPCU_RELEASE); | |
439 | usb_close(xpcu->handle); | |
440 | } | |
441 | ||
442 | busses = NULL; | |
443 | free(xpcu); | |
444 | } | |
445 | ||
446 | return 0; | |
447 | } | |
448 | ||
449 | int xpcu_int_state(struct interrupt *it, int enable) { | |
450 | struct xpcu_s *xpcu = (struct xpcu_s*)it->hInterrupt; | |
451 | pthread_mutex_t *interrupt = &dummy_interrupt; | |
452 | ||
453 | if (xpcu) | |
454 | interrupt = &xpcu->interrupt; | |
455 | ||
456 | if (enable == ENABLE_INTERRUPT) { | |
457 | it->fEnableOk = 1; | |
458 | it->fStopped = 0; | |
459 | pthread_mutex_trylock(interrupt); | |
460 | } else { | |
461 | it->dwCounter = 0; | |
462 | it->fStopped = 1; | |
463 | if (pthread_mutex_trylock(interrupt) == EBUSY) | |
464 | pthread_mutex_unlock(interrupt); | |
465 | } | |
466 | ||
467 | return 0; | |
468 | } | |
469 | ||
470 | int xpcu_int_wait(struct interrupt *it) { | |
471 | struct xpcu_s *xpcu = (struct xpcu_s*)it->hInterrupt; | |
472 | ||
473 | if (it->hInterrupt != (unsigned long)xpcu) | |
474 | return -ENODEV; | |
475 | ||
476 | if (xpcu) { | |
477 | if (it->dwCounter == 0) { | |
478 | it->dwCounter = 1; | |
479 | } else { | |
480 | pthread_mutex_lock(&xpcu->interrupt); | |
481 | pthread_mutex_unlock(&xpcu->interrupt); | |
482 | } | |
483 | } else { | |
484 | pthread_mutex_lock(&dummy_interrupt); | |
485 | pthread_mutex_unlock(&dummy_interrupt); | |
486 | } | |
487 | ||
488 | return 0; | |
489 | } |