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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 <stdint.h> | |
10 | #include "usb-driver.h" | |
11 | #include "xpcu.h" | |
12 | ||
13 | struct xpcu_s { | |
14 | struct usb_device *dev; | |
15 | usb_dev_handle *handle; | |
16 | int interface; | |
17 | int alternate; | |
18 | unsigned long card_type; | |
19 | }; | |
20 | ||
21 | struct xpcu_event_s { | |
22 | struct xpcu_s *xpcu; | |
23 | int count; | |
24 | int interrupt_count; | |
25 | pthread_mutex_t interrupt; | |
26 | }; | |
27 | ||
28 | static struct usb_bus *busses = NULL; | |
29 | ||
30 | int xpcu_deviceinfo(struct usb_get_device_data *ugdd) { | |
31 | struct xpcu_s *xpcu = (struct xpcu_s*)ugdd->dwUniqueID; | |
32 | int i,j,k,l; | |
33 | int len = 0; | |
34 | unsigned char *buf = NULL; | |
35 | WDU_CONFIGURATION **pConfigs, **pActiveConfig; | |
36 | WDU_INTERFACE **pActiveInterface; | |
37 | ||
38 | if (!xpcu) | |
39 | return -ENODEV; | |
40 | ||
41 | if (ugdd->dwBytes) | |
42 | buf = ugdd->pBuf; | |
43 | ||
44 | if (buf) { | |
45 | struct usb_device_info *udi = (struct usb_device_info*)(buf+len); | |
46 | ||
47 | udi->Descriptor.bLength = sizeof(WDU_DEVICE_DESCRIPTOR); | |
48 | udi->Descriptor.bDescriptorType = xpcu->dev->descriptor.bDescriptorType; | |
49 | udi->Descriptor.bcdUSB = xpcu->dev->descriptor.bcdUSB; | |
50 | udi->Descriptor.bDeviceClass = xpcu->dev->descriptor.bDeviceClass; | |
51 | udi->Descriptor.bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass; | |
52 | udi->Descriptor.bDeviceProtocol = xpcu->dev->descriptor.bDeviceProtocol; | |
53 | udi->Descriptor.bMaxPacketSize0 = xpcu->dev->descriptor.bMaxPacketSize0; | |
54 | udi->Descriptor.idVendor = xpcu->dev->descriptor.idVendor; | |
55 | udi->Descriptor.idProduct = xpcu->dev->descriptor.idProduct; | |
56 | udi->Descriptor.bcdDevice = xpcu->dev->descriptor.bcdDevice; | |
57 | udi->Descriptor.iManufacturer = xpcu->dev->descriptor.iManufacturer; | |
58 | udi->Descriptor.iProduct = xpcu->dev->descriptor.iProduct; | |
59 | udi->Descriptor.iSerialNumber = xpcu->dev->descriptor.iSerialNumber; | |
60 | udi->Descriptor.bNumConfigurations = xpcu->dev->descriptor.bNumConfigurations; | |
61 | ||
62 | /* TODO: Fix Pipe0! */ | |
63 | udi->Pipe0.dwNumber = 0x00; | |
64 | udi->Pipe0.dwMaximumPacketSize = xpcu->dev->descriptor.bMaxPacketSize0; | |
65 | udi->Pipe0.type = 0; | |
66 | udi->Pipe0.direction = WDU_DIR_IN_OUT; | |
67 | udi->Pipe0.dwInterval = 0; | |
68 | ||
69 | pConfigs = &(udi->pConfigs); | |
70 | pActiveConfig = &(udi->pActiveConfig); | |
71 | pActiveInterface = &(udi->pActiveInterface[0]); | |
72 | } | |
73 | ||
74 | len = sizeof(struct usb_device_info); | |
75 | ||
76 | for (i=0; i<xpcu->dev->descriptor.bNumConfigurations; i++) | |
77 | { | |
78 | struct usb_config_descriptor *conf_desc = &xpcu->dev->config[i]; | |
79 | WDU_INTERFACE **pInterfaces; | |
80 | WDU_ALTERNATE_SETTING **pAlternateSettings[conf_desc->bNumInterfaces]; | |
81 | WDU_ALTERNATE_SETTING **pActiveAltSetting[conf_desc->bNumInterfaces]; | |
82 | ||
83 | if (buf) { | |
84 | WDU_CONFIGURATION *cfg = (WDU_CONFIGURATION*)(buf+len); | |
85 | ||
86 | *pConfigs = cfg; | |
87 | *pActiveConfig = cfg; | |
88 | ||
89 | cfg->Descriptor.bLength = conf_desc->bLength; | |
90 | cfg->Descriptor.bDescriptorType = conf_desc->bDescriptorType; | |
91 | cfg->Descriptor.wTotalLength = conf_desc->wTotalLength; | |
92 | cfg->Descriptor.bNumInterfaces = conf_desc->bNumInterfaces; | |
93 | cfg->Descriptor.bConfigurationValue = conf_desc->bConfigurationValue; | |
94 | cfg->Descriptor.iConfiguration = conf_desc->iConfiguration; | |
95 | cfg->Descriptor.bmAttributes = conf_desc->bmAttributes; | |
96 | cfg->Descriptor.MaxPower = conf_desc->MaxPower; | |
97 | ||
98 | cfg->dwNumInterfaces = conf_desc->bNumInterfaces; | |
99 | ||
100 | pInterfaces = &(cfg->pInterfaces); | |
101 | } | |
102 | len += sizeof(WDU_CONFIGURATION); | |
103 | ||
104 | if (buf) { | |
105 | *pInterfaces = (WDU_INTERFACE*)(buf+len); | |
106 | for (j=0; j<conf_desc->bNumInterfaces; j++) { | |
107 | WDU_INTERFACE *iface = (WDU_INTERFACE*)(buf+len); | |
108 | ||
109 | pActiveInterface[j] = iface; | |
110 | ||
111 | pAlternateSettings[j] = &(iface->pAlternateSettings); | |
112 | iface->dwNumAltSettings = xpcu->dev->config[i].interface[j].num_altsetting; | |
113 | pActiveAltSetting[j] = &(iface->pActiveAltSetting); | |
114 | ||
115 | len += sizeof(WDU_INTERFACE); | |
116 | } | |
117 | } else { | |
118 | len += sizeof(WDU_INTERFACE) * conf_desc->bNumInterfaces; | |
119 | } | |
120 | ||
121 | for (j=0; j<conf_desc->bNumInterfaces; j++) | |
122 | { | |
123 | struct usb_interface *interface = &xpcu->dev->config[i].interface[j]; | |
124 | ||
125 | if (buf) { | |
126 | *pAlternateSettings[j] = (WDU_ALTERNATE_SETTING*)(buf+len); | |
127 | /* FIXME: */ | |
128 | *pActiveAltSetting[j] = (WDU_ALTERNATE_SETTING*)(buf+len); | |
129 | } | |
130 | ||
131 | for(k=0; k<interface->num_altsetting; k++) | |
132 | { | |
133 | unsigned char bNumEndpoints = interface->altsetting[k].bNumEndpoints; | |
134 | WDU_ENDPOINT_DESCRIPTOR **pEndpointDescriptors; | |
135 | WDU_PIPE_INFO **pPipes; | |
136 | ||
137 | if (buf) { | |
138 | WDU_ALTERNATE_SETTING *altset = (WDU_ALTERNATE_SETTING*)(buf+len); | |
139 | ||
140 | altset->Descriptor.bLength = interface->altsetting[k].bLength; | |
141 | altset->Descriptor.bDescriptorType = interface->altsetting[k].bDescriptorType; | |
142 | altset->Descriptor.bInterfaceNumber = interface->altsetting[k].bInterfaceNumber; | |
143 | altset->Descriptor.bAlternateSetting = interface->altsetting[k].bAlternateSetting; | |
144 | altset->Descriptor.bNumEndpoints = interface->altsetting[k].bNumEndpoints; | |
145 | altset->Descriptor.bInterfaceClass = interface->altsetting[k].bInterfaceClass; | |
146 | altset->Descriptor.bInterfaceSubClass = interface->altsetting[k].bInterfaceSubClass; | |
147 | altset->Descriptor.bInterfaceProtocol = interface->altsetting[k].bInterfaceProtocol; | |
148 | altset->Descriptor.iInterface = interface->altsetting[k].iInterface; | |
149 | pEndpointDescriptors = &(altset->pEndpointDescriptors); | |
150 | pPipes = &(altset->pPipes); | |
151 | ||
152 | } | |
153 | len +=sizeof(WDU_ALTERNATE_SETTING); | |
154 | ||
155 | if (buf) { | |
156 | *pEndpointDescriptors = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len); | |
157 | for (l = 0; l < bNumEndpoints; l++) { | |
158 | WDU_ENDPOINT_DESCRIPTOR *ed = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len); | |
159 | ||
160 | ed->bLength = interface->altsetting[k].endpoint[l].bLength; | |
161 | ed->bDescriptorType = interface->altsetting[k].endpoint[l].bDescriptorType; | |
162 | ed->bEndpointAddress = interface->altsetting[k].endpoint[l].bEndpointAddress; | |
163 | ed->bmAttributes = interface->altsetting[k].endpoint[l].bmAttributes; | |
164 | ed->wMaxPacketSize = interface->altsetting[k].endpoint[l].wMaxPacketSize; | |
165 | ed->bInterval = interface->altsetting[k].endpoint[l].bInterval; | |
166 | ||
167 | len += sizeof(WDU_ENDPOINT_DESCRIPTOR); | |
168 | } | |
169 | ||
170 | *pPipes = (WDU_PIPE_INFO*)(buf+len); | |
171 | for (l = 0; l < bNumEndpoints; l++) { | |
172 | WDU_PIPE_INFO *pi = (WDU_PIPE_INFO*)(buf+len); | |
173 | ||
174 | pi->dwNumber = interface->altsetting[k].endpoint[l].bEndpointAddress; | |
175 | pi->dwMaximumPacketSize = WDU_GET_MAX_PACKET_SIZE(interface->altsetting[k].endpoint[l].wMaxPacketSize); | |
176 | pi->type = interface->altsetting[k].endpoint[l].bmAttributes & USB_ENDPOINT_TYPE_MASK; | |
177 | if (pi->type == PIPE_TYPE_CONTROL) | |
178 | pi->direction = WDU_DIR_IN_OUT; | |
179 | else | |
180 | { | |
181 | pi->direction = interface->altsetting[k].endpoint[l].bEndpointAddress & USB_ENDPOINT_DIR_MASK ? WDU_DIR_IN : WDU_DIR_OUT; | |
182 | } | |
183 | ||
184 | pi->dwInterval = interface->altsetting[k].endpoint[l].bInterval; | |
185 | ||
186 | len += sizeof(WDU_PIPE_INFO); | |
187 | } | |
188 | } else { | |
189 | len +=(sizeof(WDU_ENDPOINT_DESCRIPTOR)+sizeof(WDU_PIPE_INFO))*bNumEndpoints; | |
190 | } | |
191 | } | |
192 | } | |
193 | } | |
194 | ||
195 | ugdd->dwBytes = len; | |
196 | ||
197 | return 0; | |
198 | } | |
199 | ||
200 | static int xpcu_claim(struct xpcu_s *xpcu, int claim) { | |
201 | int ret = 0; | |
202 | static int claimed = 0; | |
203 | ||
204 | if (xpcu->interface < 0) | |
205 | return -1; | |
206 | ||
207 | if (claim == XPCU_CLAIM) { | |
208 | if (claimed) | |
209 | return 0; | |
210 | ||
211 | ret = usb_claim_interface(xpcu->handle, xpcu->interface); | |
212 | if (!ret) { | |
213 | claimed = 1; | |
214 | ret = usb_set_altinterface(xpcu->handle, xpcu->alternate); | |
215 | if (ret) | |
216 | fprintf(stderr, "usb_set_altinterface: %d\n", ret); | |
217 | } else { | |
218 | fprintf(stderr, "usb_claim_interface: %d -> %d (%s)\n", | |
219 | xpcu->interface, ret, usb_strerror()); | |
220 | } | |
221 | } else { | |
222 | if (!claimed) | |
223 | return 0; | |
224 | ||
225 | #if 0 | |
226 | ret = usb_release_interface(xpcu->handle, xpcu->interface); | |
227 | if (!ret) | |
228 | claimed = 0; | |
229 | #endif | |
230 | } | |
231 | ||
232 | return ret; | |
233 | } | |
234 | ||
235 | int xpcu_transfer(struct usb_transfer *ut) { | |
236 | struct xpcu_s *xpcu = (struct xpcu_s*)ut->dwUniqueID; | |
237 | int ret = 0; | |
238 | ||
239 | if (!xpcu) | |
240 | return -ENODEV; | |
241 | ||
242 | xpcu_claim(xpcu, XPCU_CLAIM); | |
243 | /* http://www.jungo.com/support/documentation/windriver/802/wdusb_man_mhtml/node55.html#SECTION001213000000000000000 */ | |
244 | if (ut->dwPipeNum == 0) { /* control pipe */ | |
245 | int requesttype, request, value, index, size; | |
246 | requesttype = ut->SetupPacket[0]; | |
247 | request = ut->SetupPacket[1]; | |
248 | value = ut->SetupPacket[2] | (ut->SetupPacket[3] << 8); | |
249 | index = ut->SetupPacket[4] | (ut->SetupPacket[5] << 8); | |
250 | size = ut->SetupPacket[6] | (ut->SetupPacket[7] << 8); | |
251 | DPRINTF("-> requesttype: %x, request: %x, value: %u, index: %u, size: %u\n", requesttype, request, value, index, size); | |
252 | ret = usb_control_msg(xpcu->handle, requesttype, request, value, index, ut->pBuffer, size, ut->dwTimeout); | |
253 | } else { | |
254 | if (ut->fRead) { | |
255 | ret = usb_bulk_read(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout); | |
256 | } else { | |
257 | ret = usb_bulk_write(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout); | |
258 | } | |
259 | xpcu_claim(xpcu, XPCU_RELEASE); | |
260 | } | |
261 | ||
262 | if (ret < 0) { | |
263 | fprintf(stderr, "usb_transfer: %d (%s)\n", ret, usb_strerror()); | |
264 | } else { | |
265 | ut->dwBytesTransferred = ret; | |
266 | ret = 0; | |
267 | } | |
268 | ||
269 | return ret; | |
270 | } | |
271 | ||
272 | int xpcu_set_interface(struct usb_set_interface *usi) { | |
273 | struct xpcu_s *xpcu = (struct xpcu_s*)usi->dwUniqueID; | |
274 | ||
275 | if (!xpcu) | |
276 | return -ENODEV; | |
277 | ||
278 | if (xpcu->dev) { | |
279 | if (!xpcu->handle) { | |
280 | xpcu->handle = usb_open(xpcu->dev); | |
281 | #ifndef NO_USB_RESET | |
282 | if (xpcu->handle) { | |
283 | usb_reset(xpcu->handle); | |
284 | xpcu->handle = usb_open(xpcu->dev); | |
285 | } | |
286 | #endif | |
287 | } | |
288 | ||
289 | xpcu->interface = xpcu->dev->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber; | |
290 | xpcu->alternate = usi->dwAlternateSetting; | |
291 | } | |
292 | ||
293 | return 0; | |
294 | } | |
295 | ||
296 | static void xpcu_init(void) { | |
297 | if (busses) | |
298 | return; | |
299 | ||
300 | usb_init(); | |
301 | usb_find_busses(); | |
302 | usb_find_devices(); | |
303 | ||
304 | busses = usb_get_busses(); | |
305 | } | |
306 | ||
307 | ||
308 | int xpcu_find(struct event *e) { | |
309 | struct xpcu_event_s *xpcu_event = NULL; | |
310 | struct xpcu_s *xpcu = NULL; | |
311 | char* usbdev; | |
312 | struct usb_bus *bus; | |
313 | int busnum = -1, devnum = -1; | |
314 | int i; | |
315 | ||
316 | e->handle = (unsigned long)NULL; | |
317 | ||
318 | xpcu_init(); | |
319 | ||
320 | usbdev = getenv("XILINX_USB_DEV"); | |
321 | if (usbdev != NULL) { | |
322 | int j; | |
323 | char *devstr = NULL, *remainder; | |
324 | char *devpos; | |
325 | ||
326 | devpos = strdup(usbdev); | |
327 | if (!devpos) | |
328 | return -ENOMEM; | |
329 | ||
330 | DPRINTF("XILINX_USB_DEV=%s\n", devpos); | |
331 | ||
332 | for (j = 0; j < strlen(devpos) && devpos[j] != 0; j++) { | |
333 | if (devpos[j] == ':') { | |
334 | devpos[j] = 0; | |
335 | devstr = &(devpos[j+1]); | |
336 | } | |
337 | } | |
338 | ||
339 | if (devstr && strlen(devstr) > 0) { | |
340 | busnum = strtol(devpos, &remainder, 10); | |
341 | if (devpos == remainder) { | |
342 | busnum = -1; | |
343 | } else { | |
344 | devnum = strtol(devstr, &remainder, 10); | |
345 | if (devstr == remainder) { | |
346 | busnum = -1; | |
347 | devnum = -1; | |
348 | } else { | |
349 | fprintf(stderr,"Using XILINX platform cable USB at %03d:%03d\n", | |
350 | busnum, devnum); | |
351 | } | |
352 | } | |
353 | } | |
354 | free(devpos); | |
355 | } | |
356 | ||
357 | xpcu_event = malloc(sizeof(struct xpcu_event_s)); | |
358 | if (!xpcu_event) | |
359 | return -ENOMEM; | |
360 | ||
361 | bzero(xpcu_event, sizeof(struct xpcu_event_s)); | |
362 | xpcu_event->xpcu = NULL; | |
363 | xpcu_event->count = 0; | |
364 | xpcu_event->interrupt_count = 0; | |
365 | pthread_mutex_init(&xpcu_event->interrupt, NULL); | |
366 | ||
367 | for (i = 0; i < e->dwNumMatchTables; i++) { | |
368 | ||
369 | DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n", | |
370 | e->matchTables[i].VendorId, | |
371 | e->matchTables[i].ProductId, | |
372 | e->matchTables[i].bDeviceClass, | |
373 | e->matchTables[i].bDeviceSubClass, | |
374 | e->matchTables[i].bInterfaceClass, | |
375 | e->matchTables[i].bInterfaceSubClass, | |
376 | e->matchTables[i].bInterfaceProtocol); | |
377 | ||
378 | for (bus = busses; bus; bus = bus->next) { | |
379 | struct usb_device *dev; | |
380 | ||
381 | if ((devnum != -1) && (strtol(bus->dirname, NULL, 10) != busnum)) | |
382 | continue; | |
383 | ||
384 | for (dev = bus->devices; dev; dev = dev->next) { | |
385 | struct usb_device_descriptor *desc = &(dev->descriptor); | |
386 | ||
387 | if((desc->idVendor == e->matchTables[i].VendorId) && | |
388 | (desc->idProduct == e->matchTables[i].ProductId) && | |
389 | (desc->bDeviceClass == e->matchTables[i].bDeviceClass) && | |
390 | (desc->bDeviceSubClass == e->matchTables[i].bDeviceSubClass) && | |
391 | ((devnum == -1) || (strtol(dev->filename, NULL, 10) == devnum)) ) { | |
392 | int ac; | |
393 | for (ac = 0; ac < desc->bNumConfigurations; ac++) { | |
394 | struct usb_interface *interface = dev->config[ac].interface; | |
395 | int ai; | |
396 | ||
397 | for (ai = 0; ai < interface->num_altsetting; ai++) { | |
398 | ||
399 | DPRINTF("intclass: %x, intsubclass: %x, intproto: %x\n", | |
400 | interface->altsetting[i].bInterfaceClass, | |
401 | interface->altsetting[i].bInterfaceSubClass, | |
402 | interface->altsetting[i].bInterfaceProtocol); | |
403 | ||
404 | if ((interface->altsetting[ai].bInterfaceSubClass == e->matchTables[i].bInterfaceSubClass) && | |
405 | (interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){ | |
406 | int n = xpcu_event->count; | |
407 | ||
408 | /* TODO: check interfaceClass! */ | |
409 | DPRINTF("found device with libusb\n"); | |
410 | ||
411 | xpcu = realloc(xpcu, sizeof(struct xpcu_s) * (++xpcu_event->count)); | |
412 | if (!xpcu) { | |
413 | free(xpcu_event); | |
414 | return -ENOMEM; | |
415 | } | |
416 | ||
417 | bzero(&(xpcu[n]), sizeof(struct xpcu_s)); | |
418 | xpcu[n].interface = -1; | |
419 | xpcu[n].alternate = -1; | |
420 | xpcu[n].dev = dev; | |
421 | xpcu[n].card_type = e->dwCardType; | |
422 | ||
423 | xpcu_event->xpcu = xpcu; | |
424 | } | |
425 | } | |
426 | } | |
427 | } | |
428 | } | |
429 | } | |
430 | } | |
431 | ||
432 | e->handle = (unsigned long)xpcu_event; | |
433 | ||
434 | return 0; | |
435 | } | |
436 | ||
437 | int xpcu_found(struct event *e) { | |
438 | struct xpcu_event_s *xpcu_event = (struct xpcu_event_s*)e->handle; | |
439 | struct xpcu_s *xpcu = NULL; | |
440 | ||
441 | if (xpcu_event && xpcu_event->count && (xpcu_event->interrupt_count <= xpcu_event->count)) | |
442 | xpcu = &(xpcu_event->xpcu[xpcu_event->interrupt_count-1]); | |
443 | ||
444 | if (xpcu && xpcu->dev) { | |
445 | struct usb_interface *interface = xpcu->dev->config->interface; | |
446 | ||
447 | e->dwCardType = xpcu->card_type; | |
448 | e->dwAction = 1; | |
449 | e->dwEventId = 1; | |
450 | e->u.Usb.dwUniqueID = (unsigned long)xpcu; | |
451 | e->matchTables[0].VendorId = xpcu->dev->descriptor.idVendor; | |
452 | e->matchTables[0].ProductId = xpcu->dev->descriptor.idProduct; | |
453 | e->matchTables[0].bDeviceClass = xpcu->dev->descriptor.bDeviceClass; | |
454 | e->matchTables[0].bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass; | |
455 | e->matchTables[0].bInterfaceClass = interface->altsetting[0].bInterfaceClass; | |
456 | e->matchTables[0].bInterfaceSubClass = interface->altsetting[0].bInterfaceSubClass; | |
457 | e->matchTables[0].bInterfaceProtocol = interface->altsetting[0].bInterfaceProtocol; | |
458 | } | |
459 | ||
460 | return 0; | |
461 | } | |
462 | ||
463 | int xpcu_close(struct event *e) { | |
464 | struct xpcu_event_s *xpcu_event = (struct xpcu_event_s*)e->handle; | |
465 | ||
466 | if (!xpcu_event) | |
467 | return -ENODEV; | |
468 | ||
469 | if(xpcu_event) { | |
470 | struct xpcu_s *xpcu; | |
471 | int i; | |
472 | ||
473 | for (i = 0; i < xpcu_event->count; i++) { | |
474 | xpcu = &(xpcu_event->xpcu[i]); | |
475 | if (xpcu->handle) { | |
476 | xpcu_claim(xpcu, XPCU_RELEASE); | |
477 | usb_close(xpcu->handle); | |
478 | } | |
479 | } | |
480 | ||
481 | if (xpcu_event->xpcu) | |
482 | free(xpcu_event->xpcu); | |
483 | ||
484 | busses = NULL; | |
485 | free(xpcu_event); | |
486 | } | |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
491 | int xpcu_int_state(struct interrupt *it, int enable) { | |
492 | struct xpcu_event_s *xpcu_event = (struct xpcu_event_s*)it->hInterrupt; | |
493 | ||
494 | if (!xpcu_event) | |
495 | return -ENODEV; | |
496 | ||
497 | if (enable == ENABLE_INTERRUPT) { | |
498 | it->fEnableOk = 1; | |
499 | it->fStopped = 0; | |
500 | it->dwCounter = 0; | |
501 | pthread_mutex_trylock(&xpcu_event->interrupt); | |
502 | } else { | |
503 | it->dwCounter = 0; | |
504 | it->fStopped = 1; | |
505 | if (pthread_mutex_trylock(&xpcu_event->interrupt) == EBUSY) | |
506 | pthread_mutex_unlock(&xpcu_event->interrupt); | |
507 | } | |
508 | ||
509 | return 0; | |
510 | } | |
511 | ||
512 | int xpcu_int_wait(struct interrupt *it) { | |
513 | struct xpcu_event_s *xpcu_event = (struct xpcu_event_s*)it->hInterrupt; | |
514 | ||
515 | if (!xpcu_event) | |
516 | return -ENODEV; | |
517 | ||
518 | if (it->dwCounter < xpcu_event->count) { | |
519 | it->dwCounter++; | |
520 | } else { | |
521 | pthread_mutex_lock(&xpcu_event->interrupt); | |
522 | pthread_mutex_unlock(&xpcu_event->interrupt); | |
523 | } | |
524 | xpcu_event->interrupt_count++; | |
525 | ||
526 | return 0; | |
527 | } |