Lines Matching refs:udc
73 static void nuke(struct vudc *udc, struct vep *ep) in nuke() argument
83 spin_unlock(&udc->lock); in nuke()
85 spin_lock(&udc->lock); in nuke()
90 static void stop_activity(struct vudc *udc) in stop_activity() argument
95 udc->address = 0; in stop_activity()
98 nuke(udc, &udc->ep[i]); in stop_activity()
100 list_for_each_entry_safe(urb_p, tmp, &udc->urb_queue, urb_entry) { in stop_activity()
106 struct vep *vudc_find_endpoint(struct vudc *udc, u8 address) in vudc_find_endpoint() argument
111 return &udc->ep[0]; in vudc_find_endpoint()
114 struct vep *ep = &udc->ep[i]; in vudc_find_endpoint()
129 struct vudc *udc = usb_gadget_to_vudc(_gadget); in vgadget_get_frame() local
132 return ((now.tv_sec - udc->start_time.tv_sec) * 1000 + in vgadget_get_frame()
133 (now.tv_nsec - udc->start_time.tv_nsec) / NSEC_PER_MSEC) in vgadget_get_frame()
139 struct vudc *udc = usb_gadget_to_vudc(_gadget); in vgadget_set_selfpowered() local
142 udc->devstatus |= (1 << USB_DEVICE_SELF_POWERED); in vgadget_set_selfpowered()
144 udc->devstatus &= ~(1 << USB_DEVICE_SELF_POWERED); in vgadget_set_selfpowered()
150 struct vudc *udc = usb_gadget_to_vudc(_gadget); in vgadget_pullup() local
155 spin_lock_irqsave(&udc->lock, flags); in vgadget_pullup()
157 if (value == udc->pullup) in vgadget_pullup()
160 udc->pullup = value; in vgadget_pullup()
162 udc->gadget.speed = min_t(u8, USB_SPEED_HIGH, in vgadget_pullup()
163 udc->driver->max_speed); in vgadget_pullup()
164 udc->ep[0].ep.maxpacket = 64; in vgadget_pullup()
169 ret = get_gadget_descs(udc); in vgadget_pullup()
171 dev_err(&udc->gadget.dev, "Unable go get desc: %d", ret); in vgadget_pullup()
175 spin_unlock_irqrestore(&udc->lock, flags); in vgadget_pullup()
176 usbip_start_eh(&udc->ud); in vgadget_pullup()
179 udc->desc_cached = 0; in vgadget_pullup()
181 spin_unlock_irqrestore(&udc->lock, flags); in vgadget_pullup()
182 usbip_event_add(&udc->ud, VUDC_EVENT_REMOVED); in vgadget_pullup()
183 usbip_stop_eh(&udc->ud); /* Wait for eh completion */ in vgadget_pullup()
189 spin_unlock_irqrestore(&udc->lock, flags); in vgadget_pullup()
196 struct vudc *udc = usb_gadget_to_vudc(g); in vgadget_udc_start() local
199 spin_lock_irqsave(&udc->lock, flags); in vgadget_udc_start()
200 udc->driver = driver; in vgadget_udc_start()
201 udc->pullup = udc->connected = udc->desc_cached = 0; in vgadget_udc_start()
202 spin_unlock_irqrestore(&udc->lock, flags); in vgadget_udc_start()
209 struct vudc *udc = usb_gadget_to_vudc(g); in vgadget_udc_stop() local
212 spin_lock_irqsave(&udc->lock, flags); in vgadget_udc_stop()
213 udc->driver = NULL; in vgadget_udc_stop()
214 spin_unlock_irqrestore(&udc->lock, flags); in vgadget_udc_stop()
233 struct vudc *udc; in vep_enable() local
238 udc = ep_to_vudc(ep); in vep_enable()
244 if (!udc->driver) in vep_enable()
247 spin_lock_irqsave(&udc->lock, flags); in vep_enable()
255 spin_unlock_irqrestore(&udc->lock, flags); in vep_enable()
263 struct vudc *udc; in vep_disable() local
267 udc = ep_to_vudc(ep); in vep_disable()
271 spin_lock_irqsave(&udc->lock, flags); in vep_disable()
273 nuke(udc, ep); in vep_disable()
274 spin_unlock_irqrestore(&udc->lock, flags); in vep_disable()
312 struct vudc *udc; in vep_queue() local
320 udc = ep_to_vudc(ep); in vep_queue()
322 spin_lock_irqsave(&udc->lock, flags); in vep_queue()
327 spin_unlock_irqrestore(&udc->lock, flags); in vep_queue()
336 struct vudc *udc; in vep_dequeue() local
346 udc = req->udc; in vep_dequeue()
348 if (!udc->driver) in vep_dequeue()
351 spin_lock_irqsave(&udc->lock, flags); in vep_dequeue()
360 spin_unlock_irqrestore(&udc->lock, flags); in vep_dequeue()
372 struct vudc *udc; in vep_set_halt_and_wedge() local
380 udc = ep_to_vudc(ep); in vep_set_halt_and_wedge()
381 if (!udc->driver) in vep_set_halt_and_wedge()
384 spin_lock_irqsave(&udc->lock, flags); in vep_set_halt_and_wedge()
396 spin_unlock_irqrestore(&udc->lock, flags); in vep_set_halt_and_wedge()
430 struct vudc *udc = container_of(ud, struct vudc, ud); in vudc_shutdown() local
434 dev_dbg(&udc->pdev->dev, "device shutdown"); in vudc_shutdown()
452 spin_lock_irqsave(&udc->lock, flags); in vudc_shutdown()
453 stop_activity(udc); in vudc_shutdown()
454 if (udc->connected && udc->driver->disconnect) in vudc_shutdown()
456 udc->connected = 0; in vudc_shutdown()
457 spin_unlock_irqrestore(&udc->lock, flags); in vudc_shutdown()
459 udc->driver->disconnect(&udc->gadget); in vudc_shutdown()
464 struct vudc *udc = container_of(ud, struct vudc, ud); in vudc_device_reset() local
467 dev_dbg(&udc->pdev->dev, "device reset"); in vudc_device_reset()
468 spin_lock_irqsave(&udc->lock, flags); in vudc_device_reset()
469 stop_activity(udc); in vudc_device_reset()
470 spin_unlock_irqrestore(&udc->lock, flags); in vudc_device_reset()
471 if (udc->driver) in vudc_device_reset()
472 usb_gadget_udc_reset(&udc->gadget, udc->driver); in vudc_device_reset()
515 static int init_vudc_hw(struct vudc *udc) in init_vudc_hw() argument
518 struct usbip_device *ud = &udc->ud; in init_vudc_hw()
521 udc->ep = kcalloc(VIRTUAL_ENDPOINTS, sizeof(*udc->ep), GFP_KERNEL); in init_vudc_hw()
522 if (!udc->ep) in init_vudc_hw()
525 INIT_LIST_HEAD(&udc->gadget.ep_list); in init_vudc_hw()
532 ep = &udc->ep[i]; in init_vudc_hw()
542 ep->gadget = &udc->gadget; in init_vudc_hw()
551 udc->gadget.ep0 = &ep->ep; in init_vudc_hw()
563 list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list); in init_vudc_hw()
567 spin_lock_init(&udc->lock); in init_vudc_hw()
568 spin_lock_init(&udc->lock_tx); in init_vudc_hw()
569 INIT_LIST_HEAD(&udc->urb_queue); in init_vudc_hw()
570 INIT_LIST_HEAD(&udc->tx_queue); in init_vudc_hw()
571 init_waitqueue_head(&udc->tx_waitq); in init_vudc_hw()
581 v_init_timer(udc); in init_vudc_hw()
588 static void cleanup_vudc_hw(struct vudc *udc) in cleanup_vudc_hw() argument
590 kfree(udc->ep); in cleanup_vudc_hw()
597 struct vudc *udc; in vudc_probe() local
600 udc = kzalloc(sizeof(*udc), GFP_KERNEL); in vudc_probe()
601 if (!udc) in vudc_probe()
604 udc->gadget.name = GADGET_NAME; in vudc_probe()
605 udc->gadget.ops = &vgadget_ops; in vudc_probe()
606 udc->gadget.max_speed = USB_SPEED_HIGH; in vudc_probe()
607 udc->gadget.dev.parent = &pdev->dev; in vudc_probe()
608 udc->pdev = pdev; in vudc_probe()
610 ret = init_vudc_hw(udc); in vudc_probe()
614 ret = usb_add_gadget_udc(&pdev->dev, &udc->gadget); in vudc_probe()
620 dev_err(&udc->pdev->dev, "create sysfs files\n"); in vudc_probe()
624 platform_set_drvdata(pdev, udc); in vudc_probe()
629 usb_del_gadget_udc(&udc->gadget); in vudc_probe()
631 cleanup_vudc_hw(udc); in vudc_probe()
633 kfree(udc); in vudc_probe()
640 struct vudc *udc = platform_get_drvdata(pdev); in vudc_remove() local
643 usb_del_gadget_udc(&udc->gadget); in vudc_remove()
644 cleanup_vudc_hw(udc); in vudc_remove()
645 kfree(udc); in vudc_remove()