Lines Matching refs:mtu
15 __releases(mep->mtu->lock)
16 __acquires(mep->mtu->lock)
19 struct mtu3 *mtu = mreq->mtu;
26 spin_unlock(&mtu->lock);
30 usb_gadget_unmap_request(&mtu->g, req, mep->is_in);
32 dev_dbg(mtu->dev, "%s complete req: %p, sts %d, %d/%d\n",
36 spin_lock(&mtu->lock);
46 dev_dbg(mep->mtu->dev, "abort %s's req: sts %d\n", mep->name, status);
63 struct mtu3 *mtu = mep->mtu;
74 switch (mtu->g.speed) {
107 dev_dbg(mtu->dev, "%s maxp:%d, interval:%d, burst:%d, mult:%d\n",
115 mep->slot = usb_endpoint_xfer_int(desc) ? 0 : mtu->slot;
117 ret = mtu3_config_ep(mtu, mep, interval, burst, mult);
123 mtu3_deconfig_ep(mtu, mep);
134 struct mtu3 *mtu = mep->mtu;
140 mtu3_deconfig_ep(mtu, mep);
156 struct mtu3 *mtu;
170 mtu = mep->mtu;
179 dev_dbg(mtu->dev, "%s %s\n", __func__, ep->name);
182 dev_WARN_ONCE(mtu->dev, true, "%s is already enabled\n",
187 spin_lock_irqsave(&mtu->lock, flags);
196 mtu->active_ep++;
199 spin_unlock_irqrestore(&mtu->lock, flags);
201 dev_dbg(mtu->dev, "%s active_ep=%d\n", __func__, mtu->active_ep);
210 struct mtu3 *mtu = mep->mtu;
213 dev_dbg(mtu->dev, "%s %s\n", __func__, mep->name);
217 dev_warn(mtu->dev, "%s is already disabled\n", mep->name);
221 spin_lock_irqsave(&mtu->lock, flags);
224 mtu->active_ep--;
225 spin_unlock_irqrestore(&(mtu->lock), flags);
227 dev_dbg(mtu->dev, "%s active_ep=%d, mtu3 is_active=%d\n",
228 __func__, mtu->active_ep, mtu->is_active);
264 struct mtu3 *mtu = mep->mtu;
274 dev_dbg(mtu->dev, "%s %s EP%d(%s), req=%p, maxp=%d, len#%d\n",
279 (mtu->gen2cp && req->length > GPD_BUF_SIZE_EL)) {
280 dev_warn(mtu->dev,
282 mtu->gen2cp ? GPD_BUF_SIZE_EL : GPD_BUF_SIZE,
289 dev_dbg(mtu->dev, "req=%p queued to %s while it's disabled\n",
294 mreq->mtu = mtu;
298 ret = usb_gadget_map_request(&mtu->g, req, mep->is_in);
300 dev_err(mtu->dev, "dma mapping failed\n");
304 spin_lock_irqsave(&mtu->lock, flags);
316 spin_unlock_irqrestore(&mtu->lock, flags);
327 struct mtu3 *mtu = mep->mtu;
334 dev_dbg(mtu->dev, "%s : req=%p\n", __func__, req);
337 spin_lock_irqsave(&mtu->lock, flags);
344 dev_dbg(mtu->dev, "req=%p not queued to %s\n", req, ep->name);
354 spin_unlock_irqrestore(&mtu->lock, flags);
366 struct mtu3 *mtu = mep->mtu;
371 dev_dbg(mtu->dev, "%s : %s...", __func__, ep->name);
373 spin_lock_irqsave(&mtu->lock, flags);
388 dev_dbg(mtu->dev, "req in progress, cannot halt %s\n",
397 dev_dbg(mtu->dev, "%s %s stall\n", ep->name, value ? "set" : "clear");
402 spin_unlock_irqrestore(&mtu->lock, flags);
431 struct mtu3 *mtu = gadget_to_mtu3(gadget);
433 return (int)mtu3_readl(mtu->mac_base, U3D_USB20_FRAME_NUM);
438 struct mtu3 *mtu = gadget_to_mtu3(gadget);
441 dev_dbg(mtu->dev, "%s\n", __func__);
444 if (!mtu->may_wakeup)
447 spin_lock_irqsave(&mtu->lock, flags);
448 if (mtu->g.speed >= USB_SPEED_SUPER) {
449 mtu3_setbits(mtu->mac_base, U3D_LINK_POWER_CONTROL, UX_EXIT);
451 mtu3_setbits(mtu->mac_base, U3D_POWER_MANAGEMENT, RESUME);
452 spin_unlock_irqrestore(&mtu->lock, flags);
454 spin_lock_irqsave(&mtu->lock, flags);
455 mtu3_clrbits(mtu->mac_base, U3D_POWER_MANAGEMENT, RESUME);
457 spin_unlock_irqrestore(&mtu->lock, flags);
464 struct mtu3 *mtu = gadget_to_mtu3(gadget);
466 mtu->is_self_powered = !!is_selfpowered;
472 struct mtu3 *mtu = gadget_to_mtu3(gadget);
475 dev_dbg(mtu->dev, "%s (%s) for %sactive device\n", __func__,
476 is_on ? "on" : "off", mtu->is_active ? "" : "in");
479 spin_lock_irqsave(&mtu->lock, flags);
482 if (!mtu->is_active) {
484 mtu->softconnect = is_on;
485 } else if (is_on != mtu->softconnect) {
486 mtu->softconnect = is_on;
487 mtu3_dev_on_off(mtu, is_on);
490 spin_unlock_irqrestore(&mtu->lock, flags);
498 struct mtu3 *mtu = gadget_to_mtu3(gadget);
501 if (mtu->gadget_driver) {
502 dev_err(mtu->dev, "%s is already bound to %s\n",
503 mtu->g.name, mtu->gadget_driver->driver.name);
507 dev_dbg(mtu->dev, "bind driver %s\n", driver->function);
509 spin_lock_irqsave(&mtu->lock, flags);
511 mtu->softconnect = 0;
512 mtu->gadget_driver = driver;
514 if (mtu->ssusb->dr_mode == USB_DR_MODE_PERIPHERAL)
515 mtu3_start(mtu);
517 spin_unlock_irqrestore(&mtu->lock, flags);
522 static void stop_activity(struct mtu3 *mtu)
524 struct usb_gadget_driver *driver = mtu->gadget_driver;
528 if (mtu->g.speed == USB_SPEED_UNKNOWN)
531 mtu->g.speed = USB_SPEED_UNKNOWN;
534 if (mtu->softconnect) {
535 mtu->softconnect = 0;
536 mtu3_dev_on_off(mtu, 0);
543 nuke(mtu->ep0, -ESHUTDOWN);
544 for (i = 1; i < mtu->num_eps; i++) {
545 nuke(mtu->in_eps + i, -ESHUTDOWN);
546 nuke(mtu->out_eps + i, -ESHUTDOWN);
550 spin_unlock(&mtu->lock);
551 driver->disconnect(&mtu->g);
552 spin_lock(&mtu->lock);
558 struct mtu3 *mtu = gadget_to_mtu3(g);
561 dev_dbg(mtu->dev, "%s\n", __func__);
563 spin_lock_irqsave(&mtu->lock, flags);
565 stop_activity(mtu);
566 mtu->gadget_driver = NULL;
568 if (mtu->ssusb->dr_mode == USB_DR_MODE_PERIPHERAL)
569 mtu3_stop(mtu);
571 spin_unlock_irqrestore(&mtu->lock, flags);
573 synchronize_irq(mtu->irq);
580 struct mtu3 *mtu = gadget_to_mtu3(g);
583 dev_dbg(mtu->dev, "%s %s\n", __func__, usb_speed_string(speed));
585 spin_lock_irqsave(&mtu->lock, flags);
586 mtu3_set_speed(mtu, speed);
587 spin_unlock_irqrestore(&mtu->lock, flags);
600 static void mtu3_state_reset(struct mtu3 *mtu)
602 mtu->address = 0;
603 mtu->ep0_state = MU3D_EP0_STATE_SETUP;
604 mtu->may_wakeup = 0;
605 mtu->u1_enable = 0;
606 mtu->u2_enable = 0;
607 mtu->delayed_status = false;
608 mtu->test_mode = false;
611 static void init_hw_ep(struct mtu3 *mtu, struct mtu3_ep *mep,
615 mep->mtu = mtu;
631 mtu->g.ep0 = &mep->ep;
638 list_add_tail(&mep->ep.ep_list, &mtu->g.ep_list);
641 dev_dbg(mtu->dev, "%s, name=%s, maxp=%d\n", __func__, mep->ep.name,
654 static void mtu3_gadget_init_eps(struct mtu3 *mtu)
659 INIT_LIST_HEAD(&(mtu->g.ep_list));
661 dev_dbg(mtu->dev, "%s num_eps(1 for a pair of tx&rx ep)=%d\n",
662 __func__, mtu->num_eps);
664 init_hw_ep(mtu, mtu->ep0, 0, 0);
665 for (epnum = 1; epnum < mtu->num_eps; epnum++) {
666 init_hw_ep(mtu, mtu->in_eps + epnum, epnum, 1);
667 init_hw_ep(mtu, mtu->out_eps + epnum, epnum, 0);
671 int mtu3_gadget_setup(struct mtu3 *mtu)
673 mtu->g.ops = &mtu3_gadget_ops;
674 mtu->g.max_speed = mtu->max_speed;
675 mtu->g.speed = USB_SPEED_UNKNOWN;
676 mtu->g.sg_supported = 0;
677 mtu->g.name = MTU3_DRIVER_NAME;
678 mtu->is_active = 0;
679 mtu->delayed_status = false;
681 mtu3_gadget_init_eps(mtu);
683 return usb_add_gadget_udc(mtu->dev, &mtu->g);
686 void mtu3_gadget_cleanup(struct mtu3 *mtu)
688 usb_del_gadget_udc(&mtu->g);
691 void mtu3_gadget_resume(struct mtu3 *mtu)
693 dev_dbg(mtu->dev, "gadget RESUME\n");
694 if (mtu->gadget_driver && mtu->gadget_driver->resume) {
695 spin_unlock(&mtu->lock);
696 mtu->gadget_driver->resume(&mtu->g);
697 spin_lock(&mtu->lock);
702 void mtu3_gadget_suspend(struct mtu3 *mtu)
704 dev_dbg(mtu->dev, "gadget SUSPEND\n");
705 if (mtu->gadget_driver && mtu->gadget_driver->suspend) {
706 spin_unlock(&mtu->lock);
707 mtu->gadget_driver->suspend(&mtu->g);
708 spin_lock(&mtu->lock);
713 void mtu3_gadget_disconnect(struct mtu3 *mtu)
715 dev_dbg(mtu->dev, "gadget DISCONNECT\n");
716 if (mtu->gadget_driver && mtu->gadget_driver->disconnect) {
717 spin_unlock(&mtu->lock);
718 mtu->gadget_driver->disconnect(&mtu->g);
719 spin_lock(&mtu->lock);
722 mtu3_state_reset(mtu);
723 usb_gadget_set_state(&mtu->g, USB_STATE_NOTATTACHED);
726 void mtu3_gadget_reset(struct mtu3 *mtu)
728 dev_dbg(mtu->dev, "gadget RESET\n");
731 if (mtu->g.speed != USB_SPEED_UNKNOWN)
732 mtu3_gadget_disconnect(mtu);
734 mtu3_state_reset(mtu);