3  * TUSB6010 USB 2.0 OTG Dual Role controller
324 /* This is used by gadget drivers, and OTG transceiver logic, allowing
346 	if (x->otg->default_a || mA < (musb->min_power << 1))  in tusb_draw_power()
465 	switch (musb->xceiv->otg->state) {  in musb_do_idle()
471 					usb_otg_state_string(musb->xceiv->otg->state));  in musb_do_idle()
525 			&& (musb->xceiv->otg->state == OTG_STATE_A_WAIT_BCON))) {  in tusb_musb_try_idle()
527 			usb_otg_state_string(musb->xceiv->otg->state));  in tusb_musb_try_idle()
544 		usb_otg_state_string(musb->xceiv->otg->state),  in tusb_musb_try_idle()
561 	struct usb_otg	*otg = musb->xceiv->otg;  in tusb_musb_set_vbus()  local
574 		otg->default_a = 1;  in tusb_musb_set_vbus()
575 		musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE;  in tusb_musb_set_vbus()
588 			switch (musb->xceiv->otg->state) {  in tusb_musb_set_vbus()
591 				musb->xceiv->otg->state = OTG_STATE_A_WAIT_VFALL;  in tusb_musb_set_vbus()
594 				musb->xceiv->otg->state = OTG_STATE_A_IDLE;  in tusb_musb_set_vbus()
597 				musb->xceiv->otg->state = OTG_STATE_A_IDLE;  in tusb_musb_set_vbus()
600 			otg->default_a = 1;  in tusb_musb_set_vbus()
604 			otg->default_a = 0;  in tusb_musb_set_vbus()
605 			musb->xceiv->otg->state = OTG_STATE_B_IDLE;  in tusb_musb_set_vbus()
619 	dev_dbg(musb->controller, "VBUS %s, devctl %02x otg %3x conf %08x prcm %08x\n",  in tusb_musb_set_vbus()
620 		usb_otg_state_string(musb->xceiv->otg->state),  in tusb_musb_set_vbus()
627  * Sets the mode to OTG, peripheral or host by changing the ID detection.
687 	struct usb_otg	*otg = musb->xceiv->otg;  in tusb_otg_ints()  local
695 		otg->default_a = default_a;  in tusb_otg_ints()
707 		if (!otg->default_a) {  in tusb_otg_ints()
719 				if (musb->xceiv->otg->state != OTG_STATE_B_IDLE) {  in tusb_otg_ints()
721 					musb->xceiv->otg->state = OTG_STATE_B_IDLE;  in tusb_otg_ints()
726 			dev_dbg(musb->controller, "vbus change, %s, otg %03x\n",  in tusb_otg_ints()
727 				usb_otg_state_string(musb->xceiv->otg->state), otg_stat);  in tusb_otg_ints()
732 			dev_dbg(musb->controller, "vbus change, %s, otg %03x\n",  in tusb_otg_ints()
733 				usb_otg_state_string(musb->xceiv->otg->state), otg_stat);  in tusb_otg_ints()
735 			switch (musb->xceiv->otg->state) {  in tusb_otg_ints()
777 	/* OTG timer expiration */  in tusb_otg_ints()
782 			usb_otg_state_string(musb->xceiv->otg->state), otg_stat);  in tusb_otg_ints()
784 		switch (musb->xceiv->otg->state) {  in tusb_otg_ints()
796 				musb->xceiv->otg->state = OTG_STATE_A_WAIT_BCON;  in tusb_otg_ints()
880 	/* OTG state change reports (annoyingly) not issued by Mentor core */  in tusb_musb_interrupt()
959 	/* maybe force into the Default-A OTG state machine */  in tusb_musb_enable()
1084 	/* simplify:  always sense/pullup ID pins, as if in OTG mode */  in tusb_musb_start()