usb/phy/phy-fsl-usb.c

46 static const char driver_name[] = "fsl-usb2-otg";
258 	if ((fsl_otg_dev->phy.otg->state == OTG_STATE_B_SRP_INIT) &&
271 	if (!fsl_otg_dev->phy.otg->host->b_hnp_enable)
459 	struct usb_otg *otg = fsm->otg;
462 		container_of(otg->usb_phy, struct fsl_otg, phy);
465 	if (!otg->host)
467 	dev = otg->host->controller;
526 	struct usb_otg *otg = fsm->otg;
529 	if (!otg->gadget || !otg->gadget->dev.parent)
533 	dev = otg->gadget->dev.parent;
550 static int fsl_otg_set_host(struct usb_otg *otg, struct usb_bus *host)
554 	if (!otg)
557 	otg_dev = container_of(otg->usb_phy, struct fsl_otg, phy);
561 	otg->host = host;
569 		otg->host->otg_port = fsl_otg_initdata.otg_port;
570 		otg->host->is_b_host = otg_dev->fsm.id;
586 			otg->state = OTG_STATE_UNDEFINED;
599 static int fsl_otg_set_peripheral(struct usb_otg *otg,
604 	if (!otg)
607 	otg_dev = container_of(otg->usb_phy, struct fsl_otg, phy);
614 		if (!otg->default_a)
615 			otg->gadget->ops->vbus_draw(otg->gadget, 0);
616 		usb_gadget_vbus_disconnect(otg->gadget);
617 		otg->gadget = 0;
623 	otg->gadget = gadget;
624 	otg->gadget->is_a_peripheral = !otg_dev->fsm.id;
662 static int fsl_otg_start_srp(struct usb_otg *otg)
666 	if (!otg || otg->state != OTG_STATE_B_IDLE)
669 	otg_dev = container_of(otg->usb_phy, struct fsl_otg, phy);
680 static int fsl_otg_start_hnp(struct usb_otg *otg)
684 	if (!otg)
687 	otg_dev = container_of(otg->usb_phy, struct fsl_otg, phy);
709 	struct usb_otg *otg = ((struct fsl_otg *)dev_id)->phy.otg;
715 	/* Only clear otg interrupts */
720 	otg->default_a = (fsm->id == 0);
726 			otg->default_a = (fsm->id == 0);
733 			if (otg->host)
734 				otg->host->is_b_host = fsm->id;
735 			if (otg->gadget)
736 				otg->gadget->is_a_peripheral = !fsm->id;
780 	/* allocate space to fsl otg device */
785 	fsl_otg_tc->phy.otg = kzalloc(sizeof(struct usb_otg), GFP_KERNEL);
786 	if (!fsl_otg_tc->phy.otg) {
804 	/* initialize the otg structure */
808 	fsl_otg_tc->phy.otg->usb_phy = &fsl_otg_tc->phy;
809 	fsl_otg_tc->phy.otg->set_host = fsl_otg_set_host;
810 	fsl_otg_tc->phy.otg->set_peripheral = fsl_otg_set_peripheral;
811 	fsl_otg_tc->phy.otg->start_hnp = fsl_otg_start_hnp;
812 	fsl_otg_tc->phy.otg->start_srp = fsl_otg_start_srp;
816 	/* Store the otg transceiver */
826 	kfree(fsl_otg_tc->phy.otg);
847 	fsm->otg = p_otg->phy.otg;
884 		kfree(p_otg->phy.otg);
944 		p_otg->phy.otg->state = OTG_STATE_UNDEFINED;
947 		p_otg->phy.otg->state = OTG_STATE_A_IDLE;
996 	kfree(fsl_otg_dev->phy.otg);