Lines Matching full:xudc
396 struct tegra_xudc *xudc; member
560 static inline u32 fpci_readl(struct tegra_xudc *xudc, unsigned int offset) in fpci_readl() argument
562 return readl(xudc->fpci + offset); in fpci_readl()
565 static inline void fpci_writel(struct tegra_xudc *xudc, u32 val, in fpci_writel() argument
568 writel(val, xudc->fpci + offset); in fpci_writel()
571 static inline u32 ipfs_readl(struct tegra_xudc *xudc, unsigned int offset) in ipfs_readl() argument
573 return readl(xudc->ipfs + offset); in ipfs_readl()
576 static inline void ipfs_writel(struct tegra_xudc *xudc, u32 val, in ipfs_writel() argument
579 writel(val, xudc->ipfs + offset); in ipfs_writel()
582 static inline u32 xudc_readl(struct tegra_xudc *xudc, unsigned int offset) in xudc_readl() argument
584 return readl(xudc->base + offset); in xudc_readl()
587 static inline void xudc_writel(struct tegra_xudc *xudc, u32 val, in xudc_writel() argument
590 writel(val, xudc->base + offset); in xudc_writel()
593 static inline int xudc_readl_poll(struct tegra_xudc *xudc, in xudc_readl_poll() argument
598 return readl_poll_timeout_atomic(xudc->base + offset, regval, in xudc_readl_poll()
617 static inline void dump_trb(struct tegra_xudc *xudc, const char *type, in dump_trb() argument
620 dev_dbg(xudc->dev, in dump_trb()
626 static void tegra_xudc_limit_port_speed(struct tegra_xudc *xudc) in tegra_xudc_limit_port_speed() argument
631 val = xudc_readl(xudc, SSPX_CORE_CNT56); in tegra_xudc_limit_port_speed()
634 xudc_writel(xudc, val, SSPX_CORE_CNT56); in tegra_xudc_limit_port_speed()
636 val = xudc_readl(xudc, SSPX_CORE_CNT57); in tegra_xudc_limit_port_speed()
639 xudc_writel(xudc, val, SSPX_CORE_CNT57); in tegra_xudc_limit_port_speed()
641 val = xudc_readl(xudc, SSPX_CORE_CNT65); in tegra_xudc_limit_port_speed()
644 xudc_writel(xudc, val, SSPX_CORE_CNT66); in tegra_xudc_limit_port_speed()
646 val = xudc_readl(xudc, SSPX_CORE_CNT66); in tegra_xudc_limit_port_speed()
649 xudc_writel(xudc, val, SSPX_CORE_CNT66); in tegra_xudc_limit_port_speed()
651 val = xudc_readl(xudc, SSPX_CORE_CNT67); in tegra_xudc_limit_port_speed()
654 xudc_writel(xudc, val, SSPX_CORE_CNT67); in tegra_xudc_limit_port_speed()
656 val = xudc_readl(xudc, SSPX_CORE_CNT72); in tegra_xudc_limit_port_speed()
659 xudc_writel(xudc, val, SSPX_CORE_CNT72); in tegra_xudc_limit_port_speed()
662 static void tegra_xudc_restore_port_speed(struct tegra_xudc *xudc) in tegra_xudc_restore_port_speed() argument
667 val = xudc_readl(xudc, SSPX_CORE_CNT56); in tegra_xudc_restore_port_speed()
670 xudc_writel(xudc, val, SSPX_CORE_CNT56); in tegra_xudc_restore_port_speed()
672 val = xudc_readl(xudc, SSPX_CORE_CNT57); in tegra_xudc_restore_port_speed()
675 xudc_writel(xudc, val, SSPX_CORE_CNT57); in tegra_xudc_restore_port_speed()
677 val = xudc_readl(xudc, SSPX_CORE_CNT65); in tegra_xudc_restore_port_speed()
680 xudc_writel(xudc, val, SSPX_CORE_CNT66); in tegra_xudc_restore_port_speed()
682 val = xudc_readl(xudc, SSPX_CORE_CNT66); in tegra_xudc_restore_port_speed()
685 xudc_writel(xudc, val, SSPX_CORE_CNT66); in tegra_xudc_restore_port_speed()
687 val = xudc_readl(xudc, SSPX_CORE_CNT67); in tegra_xudc_restore_port_speed()
690 xudc_writel(xudc, val, SSPX_CORE_CNT67); in tegra_xudc_restore_port_speed()
692 val = xudc_readl(xudc, SSPX_CORE_CNT72); in tegra_xudc_restore_port_speed()
695 xudc_writel(xudc, val, SSPX_CORE_CNT72); in tegra_xudc_restore_port_speed()
698 static void tegra_xudc_device_mode_on(struct tegra_xudc *xudc) in tegra_xudc_device_mode_on() argument
702 pm_runtime_get_sync(xudc->dev); in tegra_xudc_device_mode_on()
704 tegra_phy_xusb_utmi_pad_power_on(xudc->curr_utmi_phy); in tegra_xudc_device_mode_on()
706 err = phy_power_on(xudc->curr_utmi_phy); in tegra_xudc_device_mode_on()
708 dev_err(xudc->dev, "UTMI power on failed: %d\n", err); in tegra_xudc_device_mode_on()
710 err = phy_power_on(xudc->curr_usb3_phy); in tegra_xudc_device_mode_on()
712 dev_err(xudc->dev, "USB3 PHY power on failed: %d\n", err); in tegra_xudc_device_mode_on()
714 dev_dbg(xudc->dev, "device mode on\n"); in tegra_xudc_device_mode_on()
716 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_device_mode_on()
720 static void tegra_xudc_device_mode_off(struct tegra_xudc *xudc) in tegra_xudc_device_mode_off() argument
726 dev_dbg(xudc->dev, "device mode off\n"); in tegra_xudc_device_mode_off()
728 connected = !!(xudc_readl(xudc, PORTSC) & PORTSC_CCS); in tegra_xudc_device_mode_off()
730 reinit_completion(&xudc->disconnect_complete); in tegra_xudc_device_mode_off()
732 if (xudc->soc->port_speed_quirk) in tegra_xudc_device_mode_off()
733 tegra_xudc_restore_port_speed(xudc); in tegra_xudc_device_mode_off()
735 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, USB_ROLE_NONE); in tegra_xudc_device_mode_off()
737 pls = (xudc_readl(xudc, PORTSC) & PORTSC_PLS_MASK) >> in tegra_xudc_device_mode_off()
741 if (xudc->soc->pls_quirk && xudc->gadget.speed == USB_SPEED_SUPER && in tegra_xudc_device_mode_off()
743 val = xudc_readl(xudc, PORTPM); in tegra_xudc_device_mode_off()
745 xudc_writel(xudc, val, PORTPM); in tegra_xudc_device_mode_off()
747 val = xudc_readl(xudc, PORTSC); in tegra_xudc_device_mode_off()
750 xudc_writel(xudc, val, PORTSC); in tegra_xudc_device_mode_off()
755 wait_for_completion(&xudc->disconnect_complete); in tegra_xudc_device_mode_off()
758 synchronize_irq(xudc->irq); in tegra_xudc_device_mode_off()
760 tegra_phy_xusb_utmi_pad_power_down(xudc->curr_utmi_phy); in tegra_xudc_device_mode_off()
762 err = phy_power_off(xudc->curr_utmi_phy); in tegra_xudc_device_mode_off()
764 dev_err(xudc->dev, "UTMI PHY power off failed: %d\n", err); in tegra_xudc_device_mode_off()
766 err = phy_power_off(xudc->curr_usb3_phy); in tegra_xudc_device_mode_off()
768 dev_err(xudc->dev, "USB3 PHY power off failed: %d\n", err); in tegra_xudc_device_mode_off()
770 pm_runtime_put(xudc->dev); in tegra_xudc_device_mode_off()
775 struct tegra_xudc *xudc = container_of(work, struct tegra_xudc, in tegra_xudc_usb_role_sw_work() local
778 if (xudc->device_mode) in tegra_xudc_usb_role_sw_work()
779 tegra_xudc_device_mode_on(xudc); in tegra_xudc_usb_role_sw_work()
781 tegra_xudc_device_mode_off(xudc); in tegra_xudc_usb_role_sw_work()
784 static int tegra_xudc_get_phy_index(struct tegra_xudc *xudc, in tegra_xudc_get_phy_index() argument
789 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_get_phy_index()
790 if (xudc->usbphy[i] && usbphy == xudc->usbphy[i]) in tegra_xudc_get_phy_index()
794 dev_info(xudc->dev, "phy index could not be found for shared USB PHY"); in tegra_xudc_get_phy_index()
798 static void tegra_xudc_update_data_role(struct tegra_xudc *xudc, in tegra_xudc_update_data_role() argument
803 if ((xudc->device_mode && usbphy->last_event == USB_EVENT_VBUS) || in tegra_xudc_update_data_role()
804 (!xudc->device_mode && usbphy->last_event != USB_EVENT_VBUS)) { in tegra_xudc_update_data_role()
805 dev_dbg(xudc->dev, "Same role(%d) received. Ignore", in tegra_xudc_update_data_role()
806 xudc->device_mode); in tegra_xudc_update_data_role()
810 xudc->device_mode = (usbphy->last_event == USB_EVENT_VBUS) ? true : in tegra_xudc_update_data_role()
813 phy_index = tegra_xudc_get_phy_index(xudc, usbphy); in tegra_xudc_update_data_role()
814 dev_dbg(xudc->dev, "%s(): current phy index is %d\n", __func__, in tegra_xudc_update_data_role()
817 if (!xudc->suspended && phy_index != -1) { in tegra_xudc_update_data_role()
818 xudc->curr_utmi_phy = xudc->utmi_phy[phy_index]; in tegra_xudc_update_data_role()
819 xudc->curr_usb3_phy = xudc->usb3_phy[phy_index]; in tegra_xudc_update_data_role()
820 xudc->curr_usbphy = usbphy; in tegra_xudc_update_data_role()
821 schedule_work(&xudc->usb_role_sw_work); in tegra_xudc_update_data_role()
828 struct tegra_xudc *xudc = container_of(nb, struct tegra_xudc, in tegra_xudc_vbus_notify() local
832 dev_dbg(xudc->dev, "%s(): event is %d\n", __func__, usbphy->last_event); in tegra_xudc_vbus_notify()
834 tegra_xudc_update_data_role(xudc, usbphy); in tegra_xudc_vbus_notify()
842 struct tegra_xudc *xudc = container_of(dwork, struct tegra_xudc, in tegra_xudc_plc_reset_work() local
846 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_plc_reset_work()
848 if (xudc->wait_csc) { in tegra_xudc_plc_reset_work()
849 u32 pls = (xudc_readl(xudc, PORTSC) & PORTSC_PLS_MASK) >> in tegra_xudc_plc_reset_work()
853 dev_info(xudc->dev, "PLS = Inactive. Toggle VBUS\n"); in tegra_xudc_plc_reset_work()
854 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_plc_reset_work()
856 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_plc_reset_work()
859 xudc->wait_csc = false; in tegra_xudc_plc_reset_work()
863 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_plc_reset_work()
869 struct tegra_xudc *xudc = in tegra_xudc_port_reset_war_work() local
875 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_port_reset_war_work()
877 if (xudc->device_mode && xudc->wait_for_sec_prc) { in tegra_xudc_port_reset_war_work()
878 pls = (xudc_readl(xudc, PORTSC) & PORTSC_PLS_MASK) >> in tegra_xudc_port_reset_war_work()
880 dev_dbg(xudc->dev, "pls = %x\n", pls); in tegra_xudc_port_reset_war_work()
883 dev_dbg(xudc->dev, "toggle vbus\n"); in tegra_xudc_port_reset_war_work()
886 xudc->curr_utmi_phy); in tegra_xudc_port_reset_war_work()
888 xudc->wait_for_sec_prc = 0; in tegra_xudc_port_reset_war_work()
892 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_port_reset_war_work()
924 static void ep_reload(struct tegra_xudc *xudc, unsigned int ep) in ep_reload() argument
926 xudc_writel(xudc, BIT(ep), EP_RELOAD); in ep_reload()
927 xudc_readl_poll(xudc, EP_RELOAD, BIT(ep), 0); in ep_reload()
930 static void ep_pause(struct tegra_xudc *xudc, unsigned int ep) in ep_pause() argument
934 val = xudc_readl(xudc, EP_PAUSE); in ep_pause()
939 xudc_writel(xudc, val, EP_PAUSE); in ep_pause()
941 xudc_readl_poll(xudc, EP_STCHG, BIT(ep), BIT(ep)); in ep_pause()
943 xudc_writel(xudc, BIT(ep), EP_STCHG); in ep_pause()
946 static void ep_unpause(struct tegra_xudc *xudc, unsigned int ep) in ep_unpause() argument
950 val = xudc_readl(xudc, EP_PAUSE); in ep_unpause()
955 xudc_writel(xudc, val, EP_PAUSE); in ep_unpause()
957 xudc_readl_poll(xudc, EP_STCHG, BIT(ep), BIT(ep)); in ep_unpause()
959 xudc_writel(xudc, BIT(ep), EP_STCHG); in ep_unpause()
962 static void ep_unpause_all(struct tegra_xudc *xudc) in ep_unpause_all() argument
966 val = xudc_readl(xudc, EP_PAUSE); in ep_unpause_all()
968 xudc_writel(xudc, 0, EP_PAUSE); in ep_unpause_all()
970 xudc_readl_poll(xudc, EP_STCHG, val, val); in ep_unpause_all()
972 xudc_writel(xudc, val, EP_STCHG); in ep_unpause_all()
975 static void ep_halt(struct tegra_xudc *xudc, unsigned int ep) in ep_halt() argument
979 val = xudc_readl(xudc, EP_HALT); in ep_halt()
983 xudc_writel(xudc, val, EP_HALT); in ep_halt()
985 xudc_readl_poll(xudc, EP_STCHG, BIT(ep), BIT(ep)); in ep_halt()
987 xudc_writel(xudc, BIT(ep), EP_STCHG); in ep_halt()
990 static void ep_unhalt(struct tegra_xudc *xudc, unsigned int ep) in ep_unhalt() argument
994 val = xudc_readl(xudc, EP_HALT); in ep_unhalt()
998 xudc_writel(xudc, val, EP_HALT); in ep_unhalt()
1000 xudc_readl_poll(xudc, EP_STCHG, BIT(ep), BIT(ep)); in ep_unhalt()
1002 xudc_writel(xudc, BIT(ep), EP_STCHG); in ep_unhalt()
1005 static void ep_unhalt_all(struct tegra_xudc *xudc) in ep_unhalt_all() argument
1009 val = xudc_readl(xudc, EP_HALT); in ep_unhalt_all()
1012 xudc_writel(xudc, 0, EP_HALT); in ep_unhalt_all()
1014 xudc_readl_poll(xudc, EP_STCHG, val, val); in ep_unhalt_all()
1016 xudc_writel(xudc, val, EP_STCHG); in ep_unhalt_all()
1019 static void ep_wait_for_stopped(struct tegra_xudc *xudc, unsigned int ep) in ep_wait_for_stopped() argument
1021 xudc_readl_poll(xudc, EP_STOPPED, BIT(ep), BIT(ep)); in ep_wait_for_stopped()
1022 xudc_writel(xudc, BIT(ep), EP_STOPPED); in ep_wait_for_stopped()
1025 static void ep_wait_for_inactive(struct tegra_xudc *xudc, unsigned int ep) in ep_wait_for_inactive() argument
1027 xudc_readl_poll(xudc, EP_THREAD_ACTIVE, BIT(ep), 0); in ep_wait_for_inactive()
1033 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_req_done() local
1035 dev_dbg(xudc->dev, "completing request %p on EP %u with status %d\n", in tegra_xudc_req_done()
1044 usb_gadget_unmap_request(&xudc->gadget, &req->usb_req, in tegra_xudc_req_done()
1045 (xudc->setup_state == in tegra_xudc_req_done()
1048 usb_gadget_unmap_request(&xudc->gadget, &req->usb_req, in tegra_xudc_req_done()
1052 spin_unlock(&xudc->lock); in tegra_xudc_req_done()
1054 spin_lock(&xudc->lock); in tegra_xudc_req_done()
1084 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_queue_one_trb() local
1110 (xudc->setup_state == DATA_STAGE_RECV))) in tegra_xudc_queue_one_trb()
1116 if (xudc->setup_state == DATA_STAGE_XFER || in tegra_xudc_queue_one_trb()
1117 xudc->setup_state == DATA_STAGE_RECV) in tegra_xudc_queue_one_trb()
1122 if (xudc->setup_state == DATA_STAGE_XFER || in tegra_xudc_queue_one_trb()
1123 xudc->setup_state == STATUS_STAGE_XFER) in tegra_xudc_queue_one_trb()
1145 dump_trb(xudc, "TRANSFER", trb); in tegra_xudc_queue_one_trb()
1211 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_ep_ring_doorbell() local
1219 val |= DB_STREAMID(xudc->setup_seq_num); in tegra_xudc_ep_ring_doorbell()
1232 dev_dbg(xudc->dev, "ring doorbell: %#x\n", val); in tegra_xudc_ep_ring_doorbell()
1233 xudc_writel(xudc, val, DB); in tegra_xudc_ep_ring_doorbell()
1256 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_queue() local
1260 dev_err(xudc->dev, "control EP has pending transfers\n"); in __tegra_xudc_ep_queue()
1265 err = usb_gadget_map_request(&xudc->gadget, &req->usb_req, in __tegra_xudc_ep_queue()
1266 (xudc->setup_state == in __tegra_xudc_ep_queue()
1269 err = usb_gadget_map_request(&xudc->gadget, &req->usb_req, in __tegra_xudc_ep_queue()
1274 dev_err(xudc->dev, "failed to map request: %d\n", err); in __tegra_xudc_ep_queue()
1311 struct tegra_xudc *xudc; in tegra_xudc_ep_queue() local
1320 xudc = ep->xudc; in tegra_xudc_ep_queue()
1322 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_queue()
1323 if (xudc->powergated || !ep->desc) { in tegra_xudc_ep_queue()
1330 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_queue()
1383 dev_dbg(ep->xudc->dev, "%s: request %p -> %p; trb %p\n", __func__, in trb_in_request()
1407 dev_dbg(ep->xudc->dev, "%s: request %p -> %p; enq ptr: %p; trb %p\n", in trb_before_request()
1424 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_dequeue() local
1449 ep_pause(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1450 ep_wait_for_inactive(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1483 if (dma_mapping_error(xudc->dev, deq_ptr)) { in __tegra_xudc_ep_dequeue()
1488 ep_reload(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1507 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1520 struct tegra_xudc *xudc; in tegra_xudc_ep_dequeue() local
1529 xudc = ep->xudc; in tegra_xudc_ep_dequeue()
1531 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_dequeue()
1533 if (xudc->powergated || !ep->desc) { in tegra_xudc_ep_dequeue()
1540 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_dequeue()
1547 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_set_halt() local
1553 dev_err(xudc->dev, "can't halt isochronous EP\n"); in __tegra_xudc_ep_set_halt()
1557 if (!!(xudc_readl(xudc, EP_HALT) & BIT(ep->index)) == halt) { in __tegra_xudc_ep_set_halt()
1558 dev_dbg(xudc->dev, "EP %u already %s\n", ep->index, in __tegra_xudc_ep_set_halt()
1564 ep_halt(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1568 ep_reload(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1576 ep_reload(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1577 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1578 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1589 struct tegra_xudc *xudc; in tegra_xudc_ep_set_halt() local
1597 xudc = ep->xudc; in tegra_xudc_ep_set_halt()
1599 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_set_halt()
1600 if (xudc->powergated) { in tegra_xudc_ep_set_halt()
1607 dev_err(xudc->dev, "can't halt EP with requests pending\n"); in tegra_xudc_ep_set_halt()
1614 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_set_halt()
1623 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_ep_context_setup() local
1628 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep_context_setup()
1634 } else if ((xudc->gadget.speed < USB_SPEED_SUPER) && in tegra_xudc_ep_context_setup()
1637 if (xudc->gadget.speed == USB_SPEED_HIGH) { in tegra_xudc_ep_context_setup()
1640 dev_warn(xudc->dev, in tegra_xudc_ep_context_setup()
1652 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep_context_setup()
1710 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_disable() local
1713 dev_err(xudc->dev, "endpoint %u already disabled\n", in __tegra_xudc_ep_disable()
1720 ep_reload(xudc, ep->index); in __tegra_xudc_ep_disable()
1724 xudc->nr_enabled_eps--; in __tegra_xudc_ep_disable()
1726 xudc->nr_isoch_eps--; in __tegra_xudc_ep_disable()
1733 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_disable()
1734 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_disable()
1735 if (xudc_readl(xudc, EP_STOPPED) & BIT(ep->index)) in __tegra_xudc_ep_disable()
1736 xudc_writel(xudc, BIT(ep->index), EP_STOPPED); in __tegra_xudc_ep_disable()
1742 if ((xudc->device_state == USB_STATE_CONFIGURED) && in __tegra_xudc_ep_disable()
1743 (xudc->nr_enabled_eps == 1)) { in __tegra_xudc_ep_disable()
1746 xudc->device_state = USB_STATE_ADDRESS; in __tegra_xudc_ep_disable()
1747 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in __tegra_xudc_ep_disable()
1749 val = xudc_readl(xudc, CTRL); in __tegra_xudc_ep_disable()
1751 xudc_writel(xudc, val, CTRL); in __tegra_xudc_ep_disable()
1753 val = xudc_readl(xudc, ST); in __tegra_xudc_ep_disable()
1755 xudc_writel(xudc, ST_RC, ST); in __tegra_xudc_ep_disable()
1758 dev_info(xudc->dev, "ep %u disabled\n", ep->index); in __tegra_xudc_ep_disable()
1766 struct tegra_xudc *xudc; in tegra_xudc_ep_disable() local
1774 xudc = ep->xudc; in tegra_xudc_ep_disable()
1776 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_disable()
1777 if (xudc->powergated) { in tegra_xudc_ep_disable()
1784 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_disable()
1792 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_enable() local
1796 if (xudc->gadget.speed == USB_SPEED_SUPER && in __tegra_xudc_ep_enable()
1808 if (xudc->nr_isoch_eps > XUDC_MAX_ISOCH_EPS) { in __tegra_xudc_ep_enable()
1809 dev_err(xudc->dev, "too many isochronous endpoints\n"); in __tegra_xudc_ep_enable()
1812 xudc->nr_isoch_eps++; in __tegra_xudc_ep_enable()
1823 xudc->nr_enabled_eps++; in __tegra_xudc_ep_enable()
1838 if (xudc->device_state == USB_STATE_ADDRESS) { in __tegra_xudc_ep_enable()
1839 val = xudc_readl(xudc, CTRL); in __tegra_xudc_ep_enable()
1841 xudc_writel(xudc, val, CTRL); in __tegra_xudc_ep_enable()
1843 xudc->device_state = USB_STATE_CONFIGURED; in __tegra_xudc_ep_enable()
1844 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in __tegra_xudc_ep_enable()
1852 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in __tegra_xudc_ep_enable()
1853 if (xudc->ep[i].desc && in __tegra_xudc_ep_enable()
1854 usb_endpoint_xfer_bulk(xudc->ep[i].desc)) in __tegra_xudc_ep_enable()
1855 ep_pause(xudc, i); in __tegra_xudc_ep_enable()
1859 ep_reload(xudc, ep->index); in __tegra_xudc_ep_enable()
1860 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_enable()
1861 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_enable()
1864 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in __tegra_xudc_ep_enable()
1865 if (xudc->ep[i].desc && in __tegra_xudc_ep_enable()
1866 usb_endpoint_xfer_bulk(xudc->ep[i].desc)) in __tegra_xudc_ep_enable()
1867 ep_unpause(xudc, i); in __tegra_xudc_ep_enable()
1872 dev_info(xudc->dev, "EP %u (type: %s, dir: %s) enabled\n", ep->index, in __tegra_xudc_ep_enable()
1883 struct tegra_xudc *xudc; in tegra_xudc_ep_enable() local
1891 xudc = ep->xudc; in tegra_xudc_ep_enable()
1893 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_enable()
1894 if (xudc->powergated) { in tegra_xudc_ep_enable()
1901 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_enable()
1961 struct tegra_xudc *xudc = to_xudc(gadget); in tegra_xudc_gadget_get_frame() local
1965 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_get_frame()
1966 if (xudc->powergated) { in tegra_xudc_gadget_get_frame()
1971 ret = (xudc_readl(xudc, MFINDEX) & MFINDEX_FRAME_MASK) >> in tegra_xudc_gadget_get_frame()
1974 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_get_frame()
1979 static void tegra_xudc_resume_device_state(struct tegra_xudc *xudc) in tegra_xudc_resume_device_state() argument
1984 ep_unpause_all(xudc); in tegra_xudc_resume_device_state()
1987 val = xudc_readl(xudc, PORTSC); in tegra_xudc_resume_device_state()
1991 xudc_writel(xudc, val, PORTSC); in tegra_xudc_resume_device_state()
1994 if (xudc->device_state == USB_STATE_SUSPENDED) { in tegra_xudc_resume_device_state()
1995 xudc->device_state = xudc->resume_state; in tegra_xudc_resume_device_state()
1996 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_resume_device_state()
1997 xudc->resume_state = 0; in tegra_xudc_resume_device_state()
2005 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_resume_device_state()
2006 tegra_xudc_ep_ring_doorbell(&xudc->ep[i]); in tegra_xudc_resume_device_state()
2011 struct tegra_xudc *xudc = to_xudc(gadget); in tegra_xudc_gadget_wakeup() local
2016 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_wakeup()
2018 if (xudc->powergated) { in tegra_xudc_gadget_wakeup()
2022 val = xudc_readl(xudc, PORTPM); in tegra_xudc_gadget_wakeup()
2023 dev_dbg(xudc->dev, "%s: PORTPM=%#x, speed=%x\n", __func__, in tegra_xudc_gadget_wakeup()
2026 if (((xudc->gadget.speed <= USB_SPEED_HIGH) && in tegra_xudc_gadget_wakeup()
2028 ((xudc->gadget.speed == USB_SPEED_SUPER) && in tegra_xudc_gadget_wakeup()
2030 tegra_xudc_resume_device_state(xudc); in tegra_xudc_gadget_wakeup()
2033 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_gadget_wakeup()
2036 xudc_writel(xudc, 0, DEVNOTIF_HI); in tegra_xudc_gadget_wakeup()
2037 xudc_writel(xudc, val, DEVNOTIF_LO); in tegra_xudc_gadget_wakeup()
2042 dev_dbg(xudc->dev, "%s: ret value is %d", __func__, ret); in tegra_xudc_gadget_wakeup()
2043 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_wakeup()
2050 struct tegra_xudc *xudc = to_xudc(gadget); in tegra_xudc_gadget_pullup() local
2054 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_pullup()
2056 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_pullup()
2058 if (is_on != xudc->pullup) { in tegra_xudc_gadget_pullup()
2059 val = xudc_readl(xudc, CTRL); in tegra_xudc_gadget_pullup()
2064 xudc_writel(xudc, val, CTRL); in tegra_xudc_gadget_pullup()
2067 xudc->pullup = is_on; in tegra_xudc_gadget_pullup()
2068 dev_dbg(xudc->dev, "%s: pullup:%d", __func__, is_on); in tegra_xudc_gadget_pullup()
2070 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_pullup()
2072 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_pullup()
2080 struct tegra_xudc *xudc = to_xudc(gadget); in tegra_xudc_gadget_start() local
2089 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_start()
2091 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_start()
2093 if (xudc->driver) { in tegra_xudc_gadget_start()
2098 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_gadget_start()
2099 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_gadget_start()
2100 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_gadget_start()
2102 ret = __tegra_xudc_ep_enable(&xudc->ep[0], &tegra_xudc_ep0_desc); in tegra_xudc_gadget_start()
2106 val = xudc_readl(xudc, CTRL); in tegra_xudc_gadget_start()
2108 xudc_writel(xudc, val, CTRL); in tegra_xudc_gadget_start()
2110 val = xudc_readl(xudc, PORTHALT); in tegra_xudc_gadget_start()
2112 xudc_writel(xudc, val, PORTHALT); in tegra_xudc_gadget_start()
2114 if (xudc->pullup) { in tegra_xudc_gadget_start()
2115 val = xudc_readl(xudc, CTRL); in tegra_xudc_gadget_start()
2117 xudc_writel(xudc, val, CTRL); in tegra_xudc_gadget_start()
2120 for (i = 0; i < xudc->soc->num_phys; i++) in tegra_xudc_gadget_start()
2121 if (xudc->usbphy[i]) in tegra_xudc_gadget_start()
2122 otg_set_peripheral(xudc->usbphy[i]->otg, gadget); in tegra_xudc_gadget_start()
2124 xudc->driver = driver; in tegra_xudc_gadget_start()
2126 dev_dbg(xudc->dev, "%s: ret value is %d", __func__, ret); in tegra_xudc_gadget_start()
2127 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_start()
2129 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_start()
2136 struct tegra_xudc *xudc = to_xudc(gadget); in tegra_xudc_gadget_stop() local
2141 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_stop()
2143 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_stop()
2145 for (i = 0; i < xudc->soc->num_phys; i++) in tegra_xudc_gadget_stop()
2146 if (xudc->usbphy[i]) in tegra_xudc_gadget_stop()
2147 otg_set_peripheral(xudc->usbphy[i]->otg, NULL); in tegra_xudc_gadget_stop()
2149 val = xudc_readl(xudc, CTRL); in tegra_xudc_gadget_stop()
2151 xudc_writel(xudc, val, CTRL); in tegra_xudc_gadget_stop()
2153 __tegra_xudc_ep_disable(&xudc->ep[0]); in tegra_xudc_gadget_stop()
2155 xudc->driver = NULL; in tegra_xudc_gadget_stop()
2156 dev_dbg(xudc->dev, "Gadget stopped"); in tegra_xudc_gadget_stop()
2158 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_stop()
2160 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_stop()
2168 struct tegra_xudc *xudc = to_xudc(gadget); in tegra_xudc_gadget_vbus_draw() local
2170 dev_dbg(xudc->dev, "%s: %u mA\n", __func__, m_a); in tegra_xudc_gadget_vbus_draw()
2172 if (xudc->curr_usbphy && xudc->curr_usbphy->chg_type == SDP_TYPE) in tegra_xudc_gadget_vbus_draw()
2173 return usb_phy_set_power(xudc->curr_usbphy, m_a); in tegra_xudc_gadget_vbus_draw()
2180 struct tegra_xudc *xudc = to_xudc(gadget); in tegra_xudc_set_selfpowered() local
2182 dev_dbg(xudc->dev, "%s: %d\n", __func__, is_on); in tegra_xudc_set_selfpowered()
2183 xudc->selfpowered = !!is_on; in tegra_xudc_set_selfpowered()
2203 tegra_xudc_ep0_queue_status(struct tegra_xudc *xudc, in tegra_xudc_ep0_queue_status() argument
2206 xudc->ep0_req->usb_req.buf = NULL; in tegra_xudc_ep0_queue_status()
2207 xudc->ep0_req->usb_req.dma = 0; in tegra_xudc_ep0_queue_status()
2208 xudc->ep0_req->usb_req.length = 0; in tegra_xudc_ep0_queue_status()
2209 xudc->ep0_req->usb_req.complete = cmpl; in tegra_xudc_ep0_queue_status()
2210 xudc->ep0_req->usb_req.context = xudc; in tegra_xudc_ep0_queue_status()
2212 return __tegra_xudc_ep_queue(&xudc->ep[0], xudc->ep0_req); in tegra_xudc_ep0_queue_status()
2216 tegra_xudc_ep0_queue_data(struct tegra_xudc *xudc, void *buf, size_t len, in tegra_xudc_ep0_queue_data() argument
2219 xudc->ep0_req->usb_req.buf = buf; in tegra_xudc_ep0_queue_data()
2220 xudc->ep0_req->usb_req.length = len; in tegra_xudc_ep0_queue_data()
2221 xudc->ep0_req->usb_req.complete = cmpl; in tegra_xudc_ep0_queue_data()
2222 xudc->ep0_req->usb_req.context = xudc; in tegra_xudc_ep0_queue_data()
2224 return __tegra_xudc_ep_queue(&xudc->ep[0], xudc->ep0_req); in tegra_xudc_ep0_queue_data()
2227 static void tegra_xudc_ep0_req_done(struct tegra_xudc *xudc) in tegra_xudc_ep0_req_done() argument
2229 switch (xudc->setup_state) { in tegra_xudc_ep0_req_done()
2231 xudc->setup_state = STATUS_STAGE_RECV; in tegra_xudc_ep0_req_done()
2232 tegra_xudc_ep0_queue_status(xudc, no_op_complete); in tegra_xudc_ep0_req_done()
2235 xudc->setup_state = STATUS_STAGE_XFER; in tegra_xudc_ep0_req_done()
2236 tegra_xudc_ep0_queue_status(xudc, no_op_complete); in tegra_xudc_ep0_req_done()
2239 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_ep0_req_done()
2244 static int tegra_xudc_ep0_delegate_req(struct tegra_xudc *xudc, in tegra_xudc_ep0_delegate_req() argument
2249 spin_unlock(&xudc->lock); in tegra_xudc_ep0_delegate_req()
2250 ret = xudc->driver->setup(&xudc->gadget, ctrl); in tegra_xudc_ep0_delegate_req()
2251 spin_lock(&xudc->lock); in tegra_xudc_ep0_delegate_req()
2258 struct tegra_xudc *xudc = req->context; in set_feature_complete() local
2260 if (xudc->test_mode_pattern) { in set_feature_complete()
2261 xudc_writel(xudc, xudc->test_mode_pattern, PORT_TM); in set_feature_complete()
2262 xudc->test_mode_pattern = 0; in set_feature_complete()
2266 static int tegra_xudc_ep0_set_feature(struct tegra_xudc *xudc, in tegra_xudc_ep0_set_feature() argument
2282 if ((xudc->gadget.speed == USB_SPEED_SUPER) || in tegra_xudc_ep0_set_feature()
2283 (xudc->device_state == USB_STATE_DEFAULT)) in tegra_xudc_ep0_set_feature()
2286 val = xudc_readl(xudc, PORTPM); in tegra_xudc_ep0_set_feature()
2292 xudc_writel(xudc, val, PORTPM); in tegra_xudc_ep0_set_feature()
2296 if ((xudc->device_state != USB_STATE_CONFIGURED) || in tegra_xudc_ep0_set_feature()
2297 (xudc->gadget.speed != USB_SPEED_SUPER)) in tegra_xudc_ep0_set_feature()
2300 val = xudc_readl(xudc, PORTPM); in tegra_xudc_ep0_set_feature()
2302 xudc->soc->u1_enable) { in tegra_xudc_ep0_set_feature()
2310 xudc->soc->u2_enable) { in tegra_xudc_ep0_set_feature()
2317 xudc_writel(xudc, val, PORTPM); in tegra_xudc_ep0_set_feature()
2320 if (xudc->gadget.speed != USB_SPEED_HIGH) in tegra_xudc_ep0_set_feature()
2326 xudc->test_mode_pattern = index >> 8; in tegra_xudc_ep0_set_feature()
2334 if (xudc->device_state != USB_STATE_CONFIGURED) in tegra_xudc_ep0_set_feature()
2340 val = xudc_readl(xudc, PORTPM); in tegra_xudc_ep0_set_feature()
2347 xudc_writel(xudc, val, PORTPM); in tegra_xudc_ep0_set_feature()
2350 return tegra_xudc_ep0_delegate_req(xudc, ctrl); in tegra_xudc_ep0_set_feature()
2360 if ((xudc->device_state == USB_STATE_DEFAULT) || in tegra_xudc_ep0_set_feature()
2361 ((xudc->device_state == USB_STATE_ADDRESS) && in tegra_xudc_ep0_set_feature()
2365 ret = __tegra_xudc_ep_set_halt(&xudc->ep[ep], set); in tegra_xudc_ep0_set_feature()
2373 return tegra_xudc_ep0_queue_status(xudc, set_feature_complete); in tegra_xudc_ep0_set_feature()
2376 static int tegra_xudc_ep0_get_status(struct tegra_xudc *xudc, in tegra_xudc_ep0_get_status() argument
2392 val = xudc_readl(xudc, PORTPM); in tegra_xudc_ep0_get_status()
2394 if (xudc->selfpowered) in tegra_xudc_ep0_get_status()
2397 if ((xudc->gadget.speed < USB_SPEED_SUPER) && in tegra_xudc_ep0_get_status()
2401 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep0_get_status()
2409 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep0_get_status()
2411 val = xudc_readl(xudc, PORTPM); in tegra_xudc_ep0_get_status()
2419 ep_ctx = &xudc->ep_context[ep]; in tegra_xudc_ep0_get_status()
2421 if ((xudc->device_state != USB_STATE_CONFIGURED) && in tegra_xudc_ep0_get_status()
2422 ((xudc->device_state != USB_STATE_ADDRESS) || (ep != 0))) in tegra_xudc_ep0_get_status()
2428 if (xudc_readl(xudc, EP_HALT) & BIT(ep)) in tegra_xudc_ep0_get_status()
2435 xudc->status_buf = cpu_to_le16(status); in tegra_xudc_ep0_get_status()
2436 return tegra_xudc_ep0_queue_data(xudc, &xudc->status_buf, in tegra_xudc_ep0_get_status()
2437 sizeof(xudc->status_buf), in tegra_xudc_ep0_get_status()
2446 static int tegra_xudc_ep0_set_sel(struct tegra_xudc *xudc, in tegra_xudc_ep0_set_sel() argument
2453 if (xudc->device_state == USB_STATE_DEFAULT) in tegra_xudc_ep0_set_sel()
2461 return tegra_xudc_ep0_queue_data(xudc, &xudc->sel_timing, in tegra_xudc_ep0_set_sel()
2462 sizeof(xudc->sel_timing), in tegra_xudc_ep0_set_sel()
2471 static int tegra_xudc_ep0_set_isoch_delay(struct tegra_xudc *xudc, in tegra_xudc_ep0_set_isoch_delay() argument
2484 xudc->isoch_delay = delay; in tegra_xudc_ep0_set_isoch_delay()
2486 return tegra_xudc_ep0_queue_status(xudc, set_isoch_delay_complete); in tegra_xudc_ep0_set_isoch_delay()
2491 struct tegra_xudc *xudc = req->context; in set_address_complete() local
2493 if ((xudc->device_state == USB_STATE_DEFAULT) && in set_address_complete()
2494 (xudc->dev_addr != 0)) { in set_address_complete()
2495 xudc->device_state = USB_STATE_ADDRESS; in set_address_complete()
2496 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in set_address_complete()
2497 } else if ((xudc->device_state == USB_STATE_ADDRESS) && in set_address_complete()
2498 (xudc->dev_addr == 0)) { in set_address_complete()
2499 xudc->device_state = USB_STATE_DEFAULT; in set_address_complete()
2500 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in set_address_complete()
2504 static int tegra_xudc_ep0_set_address(struct tegra_xudc *xudc, in tegra_xudc_ep0_set_address() argument
2507 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_ep0_set_address()
2518 if (xudc->device_state == USB_STATE_CONFIGURED) in tegra_xudc_ep0_set_address()
2521 dev_dbg(xudc->dev, "set address: %u\n", addr); in tegra_xudc_ep0_set_address()
2523 xudc->dev_addr = addr; in tegra_xudc_ep0_set_address()
2524 val = xudc_readl(xudc, CTRL); in tegra_xudc_ep0_set_address()
2527 xudc_writel(xudc, val, CTRL); in tegra_xudc_ep0_set_address()
2531 return tegra_xudc_ep0_queue_status(xudc, set_address_complete); in tegra_xudc_ep0_set_address()
2534 static int tegra_xudc_ep0_standard_req(struct tegra_xudc *xudc, in tegra_xudc_ep0_standard_req() argument
2541 dev_dbg(xudc->dev, "USB_REQ_GET_STATUS\n"); in tegra_xudc_ep0_standard_req()
2542 ret = tegra_xudc_ep0_get_status(xudc, ctrl); in tegra_xudc_ep0_standard_req()
2545 dev_dbg(xudc->dev, "USB_REQ_SET_ADDRESS\n"); in tegra_xudc_ep0_standard_req()
2546 ret = tegra_xudc_ep0_set_address(xudc, ctrl); in tegra_xudc_ep0_standard_req()
2549 dev_dbg(xudc->dev, "USB_REQ_SET_SEL\n"); in tegra_xudc_ep0_standard_req()
2550 ret = tegra_xudc_ep0_set_sel(xudc, ctrl); in tegra_xudc_ep0_standard_req()
2553 dev_dbg(xudc->dev, "USB_REQ_SET_ISOCH_DELAY\n"); in tegra_xudc_ep0_standard_req()
2554 ret = tegra_xudc_ep0_set_isoch_delay(xudc, ctrl); in tegra_xudc_ep0_standard_req()
2558 dev_dbg(xudc->dev, "USB_REQ_CLEAR/SET_FEATURE\n"); in tegra_xudc_ep0_standard_req()
2559 ret = tegra_xudc_ep0_set_feature(xudc, ctrl); in tegra_xudc_ep0_standard_req()
2562 dev_dbg(xudc->dev, "USB_REQ_SET_CONFIGURATION\n"); in tegra_xudc_ep0_standard_req()
2570 ret = tegra_xudc_ep0_delegate_req(xudc, ctrl); in tegra_xudc_ep0_standard_req()
2577 static void tegra_xudc_handle_ep0_setup_packet(struct tegra_xudc *xudc, in tegra_xudc_handle_ep0_setup_packet() argument
2583 xudc->setup_seq_num = seq_num; in tegra_xudc_handle_ep0_setup_packet()
2586 ep_unhalt(xudc, 0); in tegra_xudc_handle_ep0_setup_packet()
2592 if (xudc->soc->invalid_seq_num && in tegra_xudc_handle_ep0_setup_packet()
2594 dev_warn(xudc->dev, "invalid sequence number detected\n"); in tegra_xudc_handle_ep0_setup_packet()
2595 ep_halt(xudc, 0); in tegra_xudc_handle_ep0_setup_packet()
2600 xudc->setup_state = (ctrl->bRequestType & USB_DIR_IN) ? in tegra_xudc_handle_ep0_setup_packet()
2603 xudc->setup_state = STATUS_STAGE_XFER; in tegra_xudc_handle_ep0_setup_packet()
2606 ret = tegra_xudc_ep0_standard_req(xudc, ctrl); in tegra_xudc_handle_ep0_setup_packet()
2608 ret = tegra_xudc_ep0_delegate_req(xudc, ctrl); in tegra_xudc_handle_ep0_setup_packet()
2611 dev_warn(xudc->dev, "setup request failed: %d\n", ret); in tegra_xudc_handle_ep0_setup_packet()
2612 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_handle_ep0_setup_packet()
2613 ep_halt(xudc, 0); in tegra_xudc_handle_ep0_setup_packet()
2617 static void tegra_xudc_handle_ep0_event(struct tegra_xudc *xudc, in tegra_xudc_handle_ep0_event() argument
2623 if (xudc->setup_state != WAIT_FOR_SETUP) { in tegra_xudc_handle_ep0_event()
2630 memcpy(&xudc->setup_packet.ctrl_req, ctrl, sizeof(*ctrl)); in tegra_xudc_handle_ep0_event()
2631 xudc->setup_packet.seq_num = seq_num; in tegra_xudc_handle_ep0_event()
2632 xudc->queued_setup_packet = true; in tegra_xudc_handle_ep0_event()
2634 tegra_xudc_handle_ep0_setup_packet(xudc, ctrl, seq_num); in tegra_xudc_handle_ep0_event()
2654 static void tegra_xudc_handle_transfer_completion(struct tegra_xudc *xudc, in tegra_xudc_handle_transfer_completion() argument
2680 dev_dbg(xudc->dev, "bytes transferred %u / %u\n", in tegra_xudc_handle_transfer_completion()
2686 tegra_xudc_ep0_req_done(xudc); in tegra_xudc_handle_transfer_completion()
2698 dev_warn(xudc->dev, "transfer event on dequeued request\n"); in tegra_xudc_handle_transfer_completion()
2705 static void tegra_xudc_handle_transfer_event(struct tegra_xudc *xudc, in tegra_xudc_handle_transfer_event() argument
2709 struct tegra_xudc_ep *ep = &xudc->ep[ep_index]; in tegra_xudc_handle_transfer_event()
2714 dev_warn(xudc->dev, "transfer event on disabled EP %u\n", in tegra_xudc_handle_transfer_event()
2733 tegra_xudc_handle_transfer_completion(xudc, ep, event); in tegra_xudc_handle_transfer_event()
2736 dev_info(xudc->dev, "stream rejected on EP %u\n", ep_index); in tegra_xudc_handle_transfer_event()
2741 dev_info(xudc->dev, "prime pipe received on EP %u\n", ep_index); in tegra_xudc_handle_transfer_event()
2750 ep_wait_for_stopped(xudc, ep_index); in tegra_xudc_handle_transfer_event()
2759 ep_wait_for_stopped(xudc, ep_index); in tegra_xudc_handle_transfer_event()
2771 dev_err(xudc->dev, "completion error %#x on EP %u\n", in tegra_xudc_handle_transfer_event()
2774 ep_halt(xudc, ep_index); in tegra_xudc_handle_transfer_event()
2777 dev_info(xudc->dev, "sequence number error\n"); in tegra_xudc_handle_transfer_event()
2784 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_handle_transfer_event()
2785 if (!xudc->queued_setup_packet) in tegra_xudc_handle_transfer_event()
2788 tegra_xudc_handle_ep0_setup_packet(xudc, in tegra_xudc_handle_transfer_event()
2789 &xudc->setup_packet.ctrl_req, in tegra_xudc_handle_transfer_event()
2790 xudc->setup_packet.seq_num); in tegra_xudc_handle_transfer_event()
2791 xudc->queued_setup_packet = false; in tegra_xudc_handle_transfer_event()
2794 dev_dbg(xudc->dev, "stop completion code on EP %u\n", in tegra_xudc_handle_transfer_event()
2801 dev_dbg(xudc->dev, "completion event %#x on EP %u\n", in tegra_xudc_handle_transfer_event()
2807 static void tegra_xudc_reset(struct tegra_xudc *xudc) in tegra_xudc_reset() argument
2809 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_reset()
2813 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_reset()
2814 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_reset()
2815 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_reset()
2817 ep_unpause_all(xudc); in tegra_xudc_reset()
2819 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_reset()
2820 tegra_xudc_ep_nuke(&xudc->ep[i], -ESHUTDOWN); in tegra_xudc_reset()
2829 xudc->setup_seq_num = 0; in tegra_xudc_reset()
2830 xudc->queued_setup_packet = false; in tegra_xudc_reset()
2839 if (!dma_mapping_error(xudc->dev, deq_ptr)) { in tegra_xudc_reset()
2844 ep_unhalt_all(xudc); in tegra_xudc_reset()
2845 ep_reload(xudc, 0); in tegra_xudc_reset()
2846 ep_unpause(xudc, 0); in tegra_xudc_reset()
2849 static void tegra_xudc_port_connect(struct tegra_xudc *xudc) in tegra_xudc_port_connect() argument
2851 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_port_connect()
2855 val = (xudc_readl(xudc, PORTSC) & PORTSC_PS_MASK) >> PORTSC_PS_SHIFT; in tegra_xudc_port_connect()
2858 xudc->gadget.speed = USB_SPEED_LOW; in tegra_xudc_port_connect()
2861 xudc->gadget.speed = USB_SPEED_FULL; in tegra_xudc_port_connect()
2864 xudc->gadget.speed = USB_SPEED_HIGH; in tegra_xudc_port_connect()
2867 xudc->gadget.speed = USB_SPEED_SUPER; in tegra_xudc_port_connect()
2870 xudc->gadget.speed = USB_SPEED_UNKNOWN; in tegra_xudc_port_connect()
2874 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_port_connect()
2875 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_connect()
2877 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_port_connect()
2879 if (xudc->gadget.speed == USB_SPEED_SUPER) in tegra_xudc_port_connect()
2888 if (!xudc->soc->u1_enable) { in tegra_xudc_port_connect()
2889 val = xudc_readl(xudc, PORTPM); in tegra_xudc_port_connect()
2891 xudc_writel(xudc, val, PORTPM); in tegra_xudc_port_connect()
2894 if (!xudc->soc->u2_enable) { in tegra_xudc_port_connect()
2895 val = xudc_readl(xudc, PORTPM); in tegra_xudc_port_connect()
2897 xudc_writel(xudc, val, PORTPM); in tegra_xudc_port_connect()
2900 if (xudc->gadget.speed <= USB_SPEED_HIGH) { in tegra_xudc_port_connect()
2901 val = xudc_readl(xudc, PORTPM); in tegra_xudc_port_connect()
2903 if (xudc->soc->lpm_enable) in tegra_xudc_port_connect()
2907 xudc_writel(xudc, val, PORTPM); in tegra_xudc_port_connect()
2910 val = xudc_readl(xudc, ST); in tegra_xudc_port_connect()
2912 xudc_writel(xudc, ST_RC, ST); in tegra_xudc_port_connect()
2915 static void tegra_xudc_port_disconnect(struct tegra_xudc *xudc) in tegra_xudc_port_disconnect() argument
2917 tegra_xudc_reset(xudc); in tegra_xudc_port_disconnect()
2919 if (xudc->driver && xudc->driver->disconnect) { in tegra_xudc_port_disconnect()
2920 spin_unlock(&xudc->lock); in tegra_xudc_port_disconnect()
2921 xudc->driver->disconnect(&xudc->gadget); in tegra_xudc_port_disconnect()
2922 spin_lock(&xudc->lock); in tegra_xudc_port_disconnect()
2925 xudc->device_state = USB_STATE_NOTATTACHED; in tegra_xudc_port_disconnect()
2926 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_disconnect()
2928 complete(&xudc->disconnect_complete); in tegra_xudc_port_disconnect()
2931 static void tegra_xudc_port_reset(struct tegra_xudc *xudc) in tegra_xudc_port_reset() argument
2933 tegra_xudc_reset(xudc); in tegra_xudc_port_reset()
2935 if (xudc->driver) { in tegra_xudc_port_reset()
2936 spin_unlock(&xudc->lock); in tegra_xudc_port_reset()
2937 usb_gadget_udc_reset(&xudc->gadget, xudc->driver); in tegra_xudc_port_reset()
2938 spin_lock(&xudc->lock); in tegra_xudc_port_reset()
2941 tegra_xudc_port_connect(xudc); in tegra_xudc_port_reset()
2944 static void tegra_xudc_port_suspend(struct tegra_xudc *xudc) in tegra_xudc_port_suspend() argument
2946 dev_dbg(xudc->dev, "port suspend\n"); in tegra_xudc_port_suspend()
2948 xudc->resume_state = xudc->device_state; in tegra_xudc_port_suspend()
2949 xudc->device_state = USB_STATE_SUSPENDED; in tegra_xudc_port_suspend()
2950 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_suspend()
2952 if (xudc->driver->suspend) { in tegra_xudc_port_suspend()
2953 spin_unlock(&xudc->lock); in tegra_xudc_port_suspend()
2954 xudc->driver->suspend(&xudc->gadget); in tegra_xudc_port_suspend()
2955 spin_lock(&xudc->lock); in tegra_xudc_port_suspend()
2959 static void tegra_xudc_port_resume(struct tegra_xudc *xudc) in tegra_xudc_port_resume() argument
2961 dev_dbg(xudc->dev, "port resume\n"); in tegra_xudc_port_resume()
2963 tegra_xudc_resume_device_state(xudc); in tegra_xudc_port_resume()
2965 if (xudc->driver->resume) { in tegra_xudc_port_resume()
2966 spin_unlock(&xudc->lock); in tegra_xudc_port_resume()
2967 xudc->driver->resume(&xudc->gadget); in tegra_xudc_port_resume()
2968 spin_lock(&xudc->lock); in tegra_xudc_port_resume()
2972 static inline void clear_port_change(struct tegra_xudc *xudc, u32 flag) in clear_port_change() argument
2976 val = xudc_readl(xudc, PORTSC); in clear_port_change()
2979 xudc_writel(xudc, val, PORTSC); in clear_port_change()
2982 static void __tegra_xudc_handle_port_status(struct tegra_xudc *xudc) in __tegra_xudc_handle_port_status() argument
2986 porthalt = xudc_readl(xudc, PORTHALT); in __tegra_xudc_handle_port_status()
2989 dev_dbg(xudc->dev, "STCHG_REQ, PORTHALT = %#x\n", porthalt); in __tegra_xudc_handle_port_status()
2991 xudc_writel(xudc, porthalt, PORTHALT); in __tegra_xudc_handle_port_status()
2994 portsc = xudc_readl(xudc, PORTSC); in __tegra_xudc_handle_port_status()
2996 dev_dbg(xudc->dev, "PRC, PR, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
2997 clear_port_change(xudc, PORTSC_PRC | PORTSC_PED); in __tegra_xudc_handle_port_status()
2999 if (xudc->soc->port_reset_quirk) { in __tegra_xudc_handle_port_status()
3000 schedule_delayed_work(&xudc->port_reset_war_work, in __tegra_xudc_handle_port_status()
3002 xudc->wait_for_sec_prc = 1; in __tegra_xudc_handle_port_status()
3007 dev_dbg(xudc->dev, "PRC, Not PR, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3008 clear_port_change(xudc, PORTSC_PRC | PORTSC_PED); in __tegra_xudc_handle_port_status()
3009 tegra_xudc_port_reset(xudc); in __tegra_xudc_handle_port_status()
3010 cancel_delayed_work(&xudc->port_reset_war_work); in __tegra_xudc_handle_port_status()
3011 xudc->wait_for_sec_prc = 0; in __tegra_xudc_handle_port_status()
3014 portsc = xudc_readl(xudc, PORTSC); in __tegra_xudc_handle_port_status()
3016 dev_dbg(xudc->dev, "WRC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3017 clear_port_change(xudc, PORTSC_WRC | PORTSC_PED); in __tegra_xudc_handle_port_status()
3018 if (!(xudc_readl(xudc, PORTSC) & PORTSC_WPR)) in __tegra_xudc_handle_port_status()
3019 tegra_xudc_port_reset(xudc); in __tegra_xudc_handle_port_status()
3022 portsc = xudc_readl(xudc, PORTSC); in __tegra_xudc_handle_port_status()
3024 dev_dbg(xudc->dev, "CSC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3025 clear_port_change(xudc, PORTSC_CSC); in __tegra_xudc_handle_port_status()
3028 tegra_xudc_port_connect(xudc); in __tegra_xudc_handle_port_status()
3030 tegra_xudc_port_disconnect(xudc); in __tegra_xudc_handle_port_status()
3032 if (xudc->wait_csc) { in __tegra_xudc_handle_port_status()
3033 cancel_delayed_work(&xudc->plc_reset_work); in __tegra_xudc_handle_port_status()
3034 xudc->wait_csc = false; in __tegra_xudc_handle_port_status()
3038 portsc = xudc_readl(xudc, PORTSC); in __tegra_xudc_handle_port_status()
3042 dev_dbg(xudc->dev, "PLC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3043 clear_port_change(xudc, PORTSC_PLC); in __tegra_xudc_handle_port_status()
3046 tegra_xudc_port_suspend(xudc); in __tegra_xudc_handle_port_status()
3049 if (xudc->gadget.speed < USB_SPEED_SUPER) in __tegra_xudc_handle_port_status()
3050 tegra_xudc_port_resume(xudc); in __tegra_xudc_handle_port_status()
3053 if (xudc->gadget.speed == USB_SPEED_SUPER) in __tegra_xudc_handle_port_status()
3054 tegra_xudc_port_resume(xudc); in __tegra_xudc_handle_port_status()
3057 schedule_delayed_work(&xudc->plc_reset_work, in __tegra_xudc_handle_port_status()
3059 xudc->wait_csc = true; in __tegra_xudc_handle_port_status()
3067 dev_warn(xudc->dev, "CEC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3068 clear_port_change(xudc, PORTSC_CEC); in __tegra_xudc_handle_port_status()
3071 dev_dbg(xudc->dev, "PORTSC = %#x\n", xudc_readl(xudc, PORTSC)); in __tegra_xudc_handle_port_status()
3074 static void tegra_xudc_handle_port_status(struct tegra_xudc *xudc) in tegra_xudc_handle_port_status() argument
3076 while ((xudc_readl(xudc, PORTSC) & PORTSC_CHANGE_MASK) || in tegra_xudc_handle_port_status()
3077 (xudc_readl(xudc, PORTHALT) & PORTHALT_STCHG_REQ)) in tegra_xudc_handle_port_status()
3078 __tegra_xudc_handle_port_status(xudc); in tegra_xudc_handle_port_status()
3081 static void tegra_xudc_handle_event(struct tegra_xudc *xudc, in tegra_xudc_handle_event() argument
3086 dump_trb(xudc, "EVENT", event); in tegra_xudc_handle_event()
3090 tegra_xudc_handle_port_status(xudc); in tegra_xudc_handle_event()
3093 tegra_xudc_handle_transfer_event(xudc, event); in tegra_xudc_handle_event()
3096 tegra_xudc_handle_ep0_event(xudc, event); in tegra_xudc_handle_event()
3099 dev_info(xudc->dev, "Unrecognized TRB type = %#x\n", type); in tegra_xudc_handle_event()
3104 static void tegra_xudc_process_event_ring(struct tegra_xudc *xudc) in tegra_xudc_process_event_ring() argument
3110 event = xudc->event_ring[xudc->event_ring_index] + in tegra_xudc_process_event_ring()
3111 xudc->event_ring_deq_ptr; in tegra_xudc_process_event_ring()
3113 if (trb_read_cycle(event) != xudc->ccs) in tegra_xudc_process_event_ring()
3116 tegra_xudc_handle_event(xudc, event); in tegra_xudc_process_event_ring()
3118 xudc->event_ring_deq_ptr++; in tegra_xudc_process_event_ring()
3119 if (xudc->event_ring_deq_ptr == XUDC_EVENT_RING_SIZE) { in tegra_xudc_process_event_ring()
3120 xudc->event_ring_deq_ptr = 0; in tegra_xudc_process_event_ring()
3121 xudc->event_ring_index++; in tegra_xudc_process_event_ring()
3124 if (xudc->event_ring_index == XUDC_NR_EVENT_RINGS) { in tegra_xudc_process_event_ring()
3125 xudc->event_ring_index = 0; in tegra_xudc_process_event_ring()
3126 xudc->ccs = !xudc->ccs; in tegra_xudc_process_event_ring()
3130 erdp = xudc->event_ring_phys[xudc->event_ring_index] + in tegra_xudc_process_event_ring()
3131 xudc->event_ring_deq_ptr * sizeof(*event); in tegra_xudc_process_event_ring()
3133 xudc_writel(xudc, upper_32_bits(erdp), ERDPHI); in tegra_xudc_process_event_ring()
3134 xudc_writel(xudc, lower_32_bits(erdp) | ERDPLO_EHB, ERDPLO); in tegra_xudc_process_event_ring()
3139 struct tegra_xudc *xudc = data; in tegra_xudc_irq() local
3143 val = xudc_readl(xudc, ST); in tegra_xudc_irq()
3146 xudc_writel(xudc, ST_IP, ST); in tegra_xudc_irq()
3148 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_irq()
3149 tegra_xudc_process_event_ring(xudc); in tegra_xudc_irq()
3150 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_irq()
3155 static int tegra_xudc_alloc_ep(struct tegra_xudc *xudc, unsigned int index) in tegra_xudc_alloc_ep() argument
3157 struct tegra_xudc_ep *ep = &xudc->ep[index]; in tegra_xudc_alloc_ep()
3159 ep->xudc = xudc; in tegra_xudc_alloc_ep()
3161 ep->context = &xudc->ep_context[index]; in tegra_xudc_alloc_ep()
3171 ep->transfer_ring = dma_pool_alloc(xudc->transfer_ring_pool, in tegra_xudc_alloc_ep()
3190 list_add_tail(&ep->usb_ep.ep_list, &xudc->gadget.ep_list); in tegra_xudc_alloc_ep()
3204 static void tegra_xudc_free_ep(struct tegra_xudc *xudc, unsigned int index) in tegra_xudc_free_ep() argument
3206 struct tegra_xudc_ep *ep = &xudc->ep[index]; in tegra_xudc_free_ep()
3215 dma_pool_free(xudc->transfer_ring_pool, ep->transfer_ring, in tegra_xudc_free_ep()
3219 static int tegra_xudc_alloc_eps(struct tegra_xudc *xudc) in tegra_xudc_alloc_eps() argument
3225 xudc->ep_context = in tegra_xudc_alloc_eps()
3226 dma_alloc_coherent(xudc->dev, XUDC_NR_EPS * in tegra_xudc_alloc_eps()
3227 sizeof(*xudc->ep_context), in tegra_xudc_alloc_eps()
3228 &xudc->ep_context_phys, GFP_KERNEL); in tegra_xudc_alloc_eps()
3229 if (!xudc->ep_context) in tegra_xudc_alloc_eps()
3232 xudc->transfer_ring_pool = in tegra_xudc_alloc_eps()
3233 dmam_pool_create(dev_name(xudc->dev), xudc->dev, in tegra_xudc_alloc_eps()
3237 if (!xudc->transfer_ring_pool) { in tegra_xudc_alloc_eps()
3242 INIT_LIST_HEAD(&xudc->gadget.ep_list); in tegra_xudc_alloc_eps()
3243 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in tegra_xudc_alloc_eps()
3244 err = tegra_xudc_alloc_ep(xudc, i); in tegra_xudc_alloc_eps()
3249 req = tegra_xudc_ep_alloc_request(&xudc->ep[0].usb_ep, GFP_KERNEL); in tegra_xudc_alloc_eps()
3254 xudc->ep0_req = to_xudc_req(req); in tegra_xudc_alloc_eps()
3260 tegra_xudc_free_ep(xudc, i - 1); in tegra_xudc_alloc_eps()
3262 dma_free_coherent(xudc->dev, XUDC_NR_EPS * sizeof(*xudc->ep_context), in tegra_xudc_alloc_eps()
3263 xudc->ep_context, xudc->ep_context_phys); in tegra_xudc_alloc_eps()
3267 static void tegra_xudc_init_eps(struct tegra_xudc *xudc) in tegra_xudc_init_eps() argument
3269 xudc_writel(xudc, lower_32_bits(xudc->ep_context_phys), ECPLO); in tegra_xudc_init_eps()
3270 xudc_writel(xudc, upper_32_bits(xudc->ep_context_phys), ECPHI); in tegra_xudc_init_eps()
3273 static void tegra_xudc_free_eps(struct tegra_xudc *xudc) in tegra_xudc_free_eps() argument
3277 tegra_xudc_ep_free_request(&xudc->ep[0].usb_ep, in tegra_xudc_free_eps()
3278 &xudc->ep0_req->usb_req); in tegra_xudc_free_eps()
3280 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_free_eps()
3281 tegra_xudc_free_ep(xudc, i); in tegra_xudc_free_eps()
3283 dma_free_coherent(xudc->dev, XUDC_NR_EPS * sizeof(*xudc->ep_context), in tegra_xudc_free_eps()
3284 xudc->ep_context, xudc->ep_context_phys); in tegra_xudc_free_eps()
3287 static int tegra_xudc_alloc_event_ring(struct tegra_xudc *xudc) in tegra_xudc_alloc_event_ring() argument
3291 for (i = 0; i < ARRAY_SIZE(xudc->event_ring); i++) { in tegra_xudc_alloc_event_ring()
3292 xudc->event_ring[i] = in tegra_xudc_alloc_event_ring()
3293 dma_alloc_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_alloc_event_ring()
3294 sizeof(*xudc->event_ring[i]), in tegra_xudc_alloc_event_ring()
3295 &xudc->event_ring_phys[i], in tegra_xudc_alloc_event_ring()
3297 if (!xudc->event_ring[i]) in tegra_xudc_alloc_event_ring()
3305 dma_free_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_alloc_event_ring()
3306 sizeof(*xudc->event_ring[i - 1]), in tegra_xudc_alloc_event_ring()
3307 xudc->event_ring[i - 1], in tegra_xudc_alloc_event_ring()
3308 xudc->event_ring_phys[i - 1]); in tegra_xudc_alloc_event_ring()
3313 static void tegra_xudc_init_event_ring(struct tegra_xudc *xudc) in tegra_xudc_init_event_ring() argument
3318 for (i = 0; i < ARRAY_SIZE(xudc->event_ring); i++) { in tegra_xudc_init_event_ring()
3319 memset(xudc->event_ring[i], 0, XUDC_EVENT_RING_SIZE * in tegra_xudc_init_event_ring()
3320 sizeof(*xudc->event_ring[i])); in tegra_xudc_init_event_ring()
3322 val = xudc_readl(xudc, ERSTSZ); in tegra_xudc_init_event_ring()
3325 xudc_writel(xudc, val, ERSTSZ); in tegra_xudc_init_event_ring()
3327 xudc_writel(xudc, lower_32_bits(xudc->event_ring_phys[i]), in tegra_xudc_init_event_ring()
3329 xudc_writel(xudc, upper_32_bits(xudc->event_ring_phys[i]), in tegra_xudc_init_event_ring()
3333 val = lower_32_bits(xudc->event_ring_phys[0]); in tegra_xudc_init_event_ring()
3334 xudc_writel(xudc, val, ERDPLO); in tegra_xudc_init_event_ring()
3336 xudc_writel(xudc, val, EREPLO); in tegra_xudc_init_event_ring()
3338 val = upper_32_bits(xudc->event_ring_phys[0]); in tegra_xudc_init_event_ring()
3339 xudc_writel(xudc, val, ERDPHI); in tegra_xudc_init_event_ring()
3340 xudc_writel(xudc, val, EREPHI); in tegra_xudc_init_event_ring()
3342 xudc->ccs = true; in tegra_xudc_init_event_ring()
3343 xudc->event_ring_index = 0; in tegra_xudc_init_event_ring()
3344 xudc->event_ring_deq_ptr = 0; in tegra_xudc_init_event_ring()
3347 static void tegra_xudc_free_event_ring(struct tegra_xudc *xudc) in tegra_xudc_free_event_ring() argument
3351 for (i = 0; i < ARRAY_SIZE(xudc->event_ring); i++) { in tegra_xudc_free_event_ring()
3352 dma_free_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_free_event_ring()
3353 sizeof(*xudc->event_ring[i]), in tegra_xudc_free_event_ring()
3354 xudc->event_ring[i], in tegra_xudc_free_event_ring()
3355 xudc->event_ring_phys[i]); in tegra_xudc_free_event_ring()
3359 static void tegra_xudc_fpci_ipfs_init(struct tegra_xudc *xudc) in tegra_xudc_fpci_ipfs_init() argument
3363 if (xudc->soc->has_ipfs) { in tegra_xudc_fpci_ipfs_init()
3364 val = ipfs_readl(xudc, XUSB_DEV_CONFIGURATION_0); in tegra_xudc_fpci_ipfs_init()
3366 ipfs_writel(xudc, val, XUSB_DEV_CONFIGURATION_0); in tegra_xudc_fpci_ipfs_init()
3373 fpci_writel(xudc, val, XUSB_DEV_CFG_1); in tegra_xudc_fpci_ipfs_init()
3376 val = fpci_readl(xudc, XUSB_DEV_CFG_4); in tegra_xudc_fpci_ipfs_init()
3378 val |= xudc->phys_base & (XUSB_DEV_CFG_4_BASE_ADDR_MASK); in tegra_xudc_fpci_ipfs_init()
3380 fpci_writel(xudc, val, XUSB_DEV_CFG_4); in tegra_xudc_fpci_ipfs_init()
3381 fpci_writel(xudc, upper_32_bits(xudc->phys_base), XUSB_DEV_CFG_5); in tegra_xudc_fpci_ipfs_init()
3385 if (xudc->soc->has_ipfs) { in tegra_xudc_fpci_ipfs_init()
3387 val = ipfs_readl(xudc, XUSB_DEV_INTR_MASK_0); in tegra_xudc_fpci_ipfs_init()
3389 ipfs_writel(xudc, val, XUSB_DEV_INTR_MASK_0); in tegra_xudc_fpci_ipfs_init()
3393 static void tegra_xudc_device_params_init(struct tegra_xudc *xudc) in tegra_xudc_device_params_init() argument
3397 if (xudc->soc->has_ipfs) { in tegra_xudc_device_params_init()
3398 val = xudc_readl(xudc, BLCG); in tegra_xudc_device_params_init()
3406 xudc_writel(xudc, val, BLCG); in tegra_xudc_device_params_init()
3409 if (xudc->soc->port_speed_quirk) in tegra_xudc_device_params_init()
3410 tegra_xudc_limit_port_speed(xudc); in tegra_xudc_device_params_init()
3413 val = xudc_readl(xudc, SSPX_CORE_PADCTL4); in tegra_xudc_device_params_init()
3416 xudc_writel(xudc, val, SSPX_CORE_PADCTL4); in tegra_xudc_device_params_init()
3419 val = xudc_readl(xudc, SSPX_CORE_CNT0); in tegra_xudc_device_params_init()
3422 xudc_writel(xudc, val, SSPX_CORE_CNT0); in tegra_xudc_device_params_init()
3425 val = xudc_readl(xudc, SSPX_CORE_CNT30); in tegra_xudc_device_params_init()
3428 xudc_writel(xudc, val, SSPX_CORE_CNT30); in tegra_xudc_device_params_init()
3430 if (xudc->soc->lpm_enable) { in tegra_xudc_device_params_init()
3432 val = xudc_readl(xudc, HSFSPI_COUNT13); in tegra_xudc_device_params_init()
3435 xudc_writel(xudc, val, HSFSPI_COUNT13); in tegra_xudc_device_params_init()
3442 val = xudc_readl(xudc, SSPX_CORE_CNT32); in tegra_xudc_device_params_init()
3445 xudc_writel(xudc, val, SSPX_CORE_CNT32); in tegra_xudc_device_params_init()
3448 val = xudc_readl(xudc, CFG_DEV_FE); in tegra_xudc_device_params_init()
3451 xudc_writel(xudc, val, CFG_DEV_FE); in tegra_xudc_device_params_init()
3453 val = xudc_readl(xudc, PORTSC); in tegra_xudc_device_params_init()
3456 xudc_writel(xudc, val, PORTSC); in tegra_xudc_device_params_init()
3459 val = xudc_readl(xudc, CFG_DEV_FE); in tegra_xudc_device_params_init()
3462 xudc_writel(xudc, val, CFG_DEV_FE); in tegra_xudc_device_params_init()
3464 val = xudc_readl(xudc, PORTSC); in tegra_xudc_device_params_init()
3467 xudc_writel(xudc, val, PORTSC); in tegra_xudc_device_params_init()
3470 val = xudc_readl(xudc, CFG_DEV_FE); in tegra_xudc_device_params_init()
3472 xudc_writel(xudc, val, CFG_DEV_FE); in tegra_xudc_device_params_init()
3478 val = xudc_readl(xudc, CFG_DEV_FE); in tegra_xudc_device_params_init()
3480 xudc_writel(xudc, val, CFG_DEV_FE); in tegra_xudc_device_params_init()
3484 val = xudc_readl(xudc, RT_IMOD); in tegra_xudc_device_params_init()
3487 xudc_writel(xudc, val, RT_IMOD); in tegra_xudc_device_params_init()
3490 val = xudc_readl(xudc, CFG_DEV_SSPI_XFER); in tegra_xudc_device_params_init()
3493 xudc_writel(xudc, val, CFG_DEV_SSPI_XFER); in tegra_xudc_device_params_init()
3496 static int tegra_xudc_phy_get(struct tegra_xudc *xudc) in tegra_xudc_phy_get() argument
3501 xudc->utmi_phy = devm_kcalloc(xudc->dev, xudc->soc->num_phys, in tegra_xudc_phy_get()
3502 sizeof(*xudc->utmi_phy), GFP_KERNEL); in tegra_xudc_phy_get()
3503 if (!xudc->utmi_phy) in tegra_xudc_phy_get()
3506 xudc->usb3_phy = devm_kcalloc(xudc->dev, xudc->soc->num_phys, in tegra_xudc_phy_get()
3507 sizeof(*xudc->usb3_phy), GFP_KERNEL); in tegra_xudc_phy_get()
3508 if (!xudc->usb3_phy) in tegra_xudc_phy_get()
3511 xudc->usbphy = devm_kcalloc(xudc->dev, xudc->soc->num_phys, in tegra_xudc_phy_get()
3512 sizeof(*xudc->usbphy), GFP_KERNEL); in tegra_xudc_phy_get()
3513 if (!xudc->usbphy) in tegra_xudc_phy_get()
3516 xudc->vbus_nb.notifier_call = tegra_xudc_vbus_notify; in tegra_xudc_phy_get()
3518 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_get()
3523 xudc->utmi_phy[i] = devm_phy_optional_get(xudc->dev, phy_name); in tegra_xudc_phy_get()
3524 if (IS_ERR(xudc->utmi_phy[i])) { in tegra_xudc_phy_get()
3525 err = PTR_ERR(xudc->utmi_phy[i]); in tegra_xudc_phy_get()
3526 dev_err_probe(xudc->dev, err, in tegra_xudc_phy_get()
3529 } else if (xudc->utmi_phy[i]) { in tegra_xudc_phy_get()
3531 xudc->usbphy[i] = devm_usb_get_phy_by_node(xudc->dev, in tegra_xudc_phy_get()
3532 xudc->utmi_phy[i]->dev.of_node, in tegra_xudc_phy_get()
3534 if (IS_ERR(xudc->usbphy[i])) { in tegra_xudc_phy_get()
3535 err = PTR_ERR(xudc->usbphy[i]); in tegra_xudc_phy_get()
3536 dev_err_probe(xudc->dev, err, in tegra_xudc_phy_get()
3540 } else if (!xudc->utmi_phy[i]) { in tegra_xudc_phy_get()
3546 usb3_companion_port = tegra_xusb_padctl_get_usb3_companion(xudc->padctl, i); in tegra_xudc_phy_get()
3550 for (j = 0; j < xudc->soc->num_phys; j++) { in tegra_xudc_phy_get()
3552 xudc->usb3_phy[i] = devm_phy_optional_get(xudc->dev, phy_name); in tegra_xudc_phy_get()
3553 if (IS_ERR(xudc->usb3_phy[i])) { in tegra_xudc_phy_get()
3554 err = PTR_ERR(xudc->usb3_phy[i]); in tegra_xudc_phy_get()
3555 dev_err_probe(xudc->dev, err, in tegra_xudc_phy_get()
3558 } else if (xudc->usb3_phy[i]) { in tegra_xudc_phy_get()
3560 tegra_xusb_padctl_get_port_number(xudc->utmi_phy[i]); in tegra_xudc_phy_get()
3562 tegra_xusb_padctl_get_port_number(xudc->usb3_phy[i]); in tegra_xudc_phy_get()
3564 dev_dbg(xudc->dev, "USB2 port %d is paired with USB3 port %d for device mode port %d\n", in tegra_xudc_phy_get()
3575 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_get()
3576 xudc->usb3_phy[i] = NULL; in tegra_xudc_phy_get()
3577 xudc->utmi_phy[i] = NULL; in tegra_xudc_phy_get()
3578 xudc->usbphy[i] = NULL; in tegra_xudc_phy_get()
3584 static void tegra_xudc_phy_exit(struct tegra_xudc *xudc) in tegra_xudc_phy_exit() argument
3588 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_exit()
3589 phy_exit(xudc->usb3_phy[i]); in tegra_xudc_phy_exit()
3590 phy_exit(xudc->utmi_phy[i]); in tegra_xudc_phy_exit()
3594 static int tegra_xudc_phy_init(struct tegra_xudc *xudc) in tegra_xudc_phy_init() argument
3599 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_init()
3600 err = phy_init(xudc->utmi_phy[i]); in tegra_xudc_phy_init()
3602 dev_err(xudc->dev, "UTMI PHY #%u initialization failed: %d\n", i, err); in tegra_xudc_phy_init()
3606 err = phy_init(xudc->usb3_phy[i]); in tegra_xudc_phy_init()
3608 dev_err(xudc->dev, "USB3 PHY #%u initialization failed: %d\n", i, err); in tegra_xudc_phy_init()
3615 tegra_xudc_phy_exit(xudc); in tegra_xudc_phy_init()
3698 .compatible = "nvidia,tegra210-xudc",
3702 .compatible = "nvidia,tegra186-xudc",
3706 .compatible = "nvidia,tegra194-xudc",
3710 .compatible = "nvidia,tegra234-xudc",
3717 static void tegra_xudc_powerdomain_remove(struct tegra_xudc *xudc) in tegra_xudc_powerdomain_remove() argument
3719 if (xudc->genpd_dl_ss) in tegra_xudc_powerdomain_remove()
3720 device_link_del(xudc->genpd_dl_ss); in tegra_xudc_powerdomain_remove()
3721 if (xudc->genpd_dl_device) in tegra_xudc_powerdomain_remove()
3722 device_link_del(xudc->genpd_dl_device); in tegra_xudc_powerdomain_remove()
3723 if (xudc->genpd_dev_ss) in tegra_xudc_powerdomain_remove()
3724 dev_pm_domain_detach(xudc->genpd_dev_ss, true); in tegra_xudc_powerdomain_remove()
3725 if (xudc->genpd_dev_device) in tegra_xudc_powerdomain_remove()
3726 dev_pm_domain_detach(xudc->genpd_dev_device, true); in tegra_xudc_powerdomain_remove()
3729 static int tegra_xudc_powerdomain_init(struct tegra_xudc *xudc) in tegra_xudc_powerdomain_init() argument
3731 struct device *dev = xudc->dev; in tegra_xudc_powerdomain_init()
3734 xudc->genpd_dev_device = dev_pm_domain_attach_by_name(dev, "dev"); in tegra_xudc_powerdomain_init()
3735 if (IS_ERR(xudc->genpd_dev_device)) { in tegra_xudc_powerdomain_init()
3736 err = PTR_ERR(xudc->genpd_dev_device); in tegra_xudc_powerdomain_init()
3741 xudc->genpd_dev_ss = dev_pm_domain_attach_by_name(dev, "ss"); in tegra_xudc_powerdomain_init()
3742 if (IS_ERR(xudc->genpd_dev_ss)) { in tegra_xudc_powerdomain_init()
3743 err = PTR_ERR(xudc->genpd_dev_ss); in tegra_xudc_powerdomain_init()
3748 xudc->genpd_dl_device = device_link_add(dev, xudc->genpd_dev_device, in tegra_xudc_powerdomain_init()
3751 if (!xudc->genpd_dl_device) { in tegra_xudc_powerdomain_init()
3756 xudc->genpd_dl_ss = device_link_add(dev, xudc->genpd_dev_ss, in tegra_xudc_powerdomain_init()
3759 if (!xudc->genpd_dl_ss) { in tegra_xudc_powerdomain_init()
3769 struct tegra_xudc *xudc; in tegra_xudc_probe() local
3774 xudc = devm_kzalloc(&pdev->dev, sizeof(*xudc), GFP_KERNEL); in tegra_xudc_probe()
3775 if (!xudc) in tegra_xudc_probe()
3778 xudc->dev = &pdev->dev; in tegra_xudc_probe()
3779 platform_set_drvdata(pdev, xudc); in tegra_xudc_probe()
3781 xudc->soc = of_device_get_match_data(&pdev->dev); in tegra_xudc_probe()
3782 if (!xudc->soc) in tegra_xudc_probe()
3786 xudc->base = devm_ioremap_resource(&pdev->dev, res); in tegra_xudc_probe()
3787 if (IS_ERR(xudc->base)) in tegra_xudc_probe()
3788 return PTR_ERR(xudc->base); in tegra_xudc_probe()
3789 xudc->phys_base = res->start; in tegra_xudc_probe()
3791 xudc->fpci = devm_platform_ioremap_resource_byname(pdev, "fpci"); in tegra_xudc_probe()
3792 if (IS_ERR(xudc->fpci)) in tegra_xudc_probe()
3793 return PTR_ERR(xudc->fpci); in tegra_xudc_probe()
3795 if (xudc->soc->has_ipfs) { in tegra_xudc_probe()
3796 xudc->ipfs = devm_platform_ioremap_resource_byname(pdev, "ipfs"); in tegra_xudc_probe()
3797 if (IS_ERR(xudc->ipfs)) in tegra_xudc_probe()
3798 return PTR_ERR(xudc->ipfs); in tegra_xudc_probe()
3801 xudc->irq = platform_get_irq(pdev, 0); in tegra_xudc_probe()
3802 if (xudc->irq < 0) in tegra_xudc_probe()
3803 return xudc->irq; in tegra_xudc_probe()
3805 err = devm_request_irq(&pdev->dev, xudc->irq, tegra_xudc_irq, 0, in tegra_xudc_probe()
3806 dev_name(&pdev->dev), xudc); in tegra_xudc_probe()
3808 dev_err(xudc->dev, "failed to claim IRQ#%u: %d\n", xudc->irq, in tegra_xudc_probe()
3813 xudc->clks = devm_kcalloc(&pdev->dev, xudc->soc->num_clks, sizeof(*xudc->clks), in tegra_xudc_probe()
3815 if (!xudc->clks) in tegra_xudc_probe()
3818 for (i = 0; i < xudc->soc->num_clks; i++) in tegra_xudc_probe()
3819 xudc->clks[i].id = xudc->soc->clock_names[i]; in tegra_xudc_probe()
3821 err = devm_clk_bulk_get(&pdev->dev, xudc->soc->num_clks, xudc->clks); in tegra_xudc_probe()
3823 dev_err_probe(xudc->dev, err, "failed to request clocks\n"); in tegra_xudc_probe()
3827 xudc->supplies = devm_kcalloc(&pdev->dev, xudc->soc->num_supplies, in tegra_xudc_probe()
3828 sizeof(*xudc->supplies), GFP_KERNEL); in tegra_xudc_probe()
3829 if (!xudc->supplies) in tegra_xudc_probe()
3832 for (i = 0; i < xudc->soc->num_supplies; i++) in tegra_xudc_probe()
3833 xudc->supplies[i].supply = xudc->soc->supply_names[i]; in tegra_xudc_probe()
3835 err = devm_regulator_bulk_get(&pdev->dev, xudc->soc->num_supplies, in tegra_xudc_probe()
3836 xudc->supplies); in tegra_xudc_probe()
3838 dev_err_probe(xudc->dev, err, "failed to request regulators\n"); in tegra_xudc_probe()
3842 xudc->padctl = tegra_xusb_padctl_get(&pdev->dev); in tegra_xudc_probe()
3843 if (IS_ERR(xudc->padctl)) in tegra_xudc_probe()
3844 return PTR_ERR(xudc->padctl); in tegra_xudc_probe()
3846 err = regulator_bulk_enable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_probe()
3848 dev_err(xudc->dev, "failed to enable regulators: %d\n", err); in tegra_xudc_probe()
3852 err = tegra_xudc_phy_get(xudc); in tegra_xudc_probe()
3856 err = tegra_xudc_powerdomain_init(xudc); in tegra_xudc_probe()
3860 err = tegra_xudc_phy_init(xudc); in tegra_xudc_probe()
3864 err = tegra_xudc_alloc_event_ring(xudc); in tegra_xudc_probe()
3868 err = tegra_xudc_alloc_eps(xudc); in tegra_xudc_probe()
3872 spin_lock_init(&xudc->lock); in tegra_xudc_probe()
3874 init_completion(&xudc->disconnect_complete); in tegra_xudc_probe()
3876 INIT_WORK(&xudc->usb_role_sw_work, tegra_xudc_usb_role_sw_work); in tegra_xudc_probe()
3878 INIT_DELAYED_WORK(&xudc->plc_reset_work, tegra_xudc_plc_reset_work); in tegra_xudc_probe()
3880 INIT_DELAYED_WORK(&xudc->port_reset_war_work, in tegra_xudc_probe()
3885 xudc->gadget.ops = &tegra_xudc_gadget_ops; in tegra_xudc_probe()
3886 xudc->gadget.ep0 = &xudc->ep[0].usb_ep; in tegra_xudc_probe()
3887 xudc->gadget.name = "tegra-xudc"; in tegra_xudc_probe()
3888 xudc->gadget.max_speed = USB_SPEED_SUPER; in tegra_xudc_probe()
3890 err = usb_add_gadget_udc(&pdev->dev, &xudc->gadget); in tegra_xudc_probe()
3896 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_probe()
3897 if (!xudc->usbphy[i]) in tegra_xudc_probe()
3900 usb_register_notifier(xudc->usbphy[i], &xudc->vbus_nb); in tegra_xudc_probe()
3901 tegra_xudc_update_data_role(xudc, xudc->usbphy[i]); in tegra_xudc_probe()
3908 tegra_xudc_free_eps(xudc); in tegra_xudc_probe()
3910 tegra_xudc_free_event_ring(xudc); in tegra_xudc_probe()
3912 tegra_xudc_phy_exit(xudc); in tegra_xudc_probe()
3914 tegra_xudc_powerdomain_remove(xudc); in tegra_xudc_probe()
3916 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_probe()
3918 tegra_xusb_padctl_put(xudc->padctl); in tegra_xudc_probe()
3925 struct tegra_xudc *xudc = platform_get_drvdata(pdev); in tegra_xudc_remove() local
3928 pm_runtime_get_sync(xudc->dev); in tegra_xudc_remove()
3930 cancel_delayed_work_sync(&xudc->plc_reset_work); in tegra_xudc_remove()
3931 cancel_work_sync(&xudc->usb_role_sw_work); in tegra_xudc_remove()
3933 usb_del_gadget_udc(&xudc->gadget); in tegra_xudc_remove()
3935 tegra_xudc_free_eps(xudc); in tegra_xudc_remove()
3936 tegra_xudc_free_event_ring(xudc); in tegra_xudc_remove()
3938 tegra_xudc_powerdomain_remove(xudc); in tegra_xudc_remove()
3940 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_remove()
3942 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_remove()
3943 phy_power_off(xudc->utmi_phy[i]); in tegra_xudc_remove()
3944 phy_power_off(xudc->usb3_phy[i]); in tegra_xudc_remove()
3947 tegra_xudc_phy_exit(xudc); in tegra_xudc_remove()
3949 pm_runtime_disable(xudc->dev); in tegra_xudc_remove()
3950 pm_runtime_put(xudc->dev); in tegra_xudc_remove()
3952 tegra_xusb_padctl_put(xudc->padctl); in tegra_xudc_remove()
3955 static int __maybe_unused tegra_xudc_powergate(struct tegra_xudc *xudc) in tegra_xudc_powergate() argument
3959 dev_dbg(xudc->dev, "entering ELPG\n"); in tegra_xudc_powergate()
3961 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_powergate()
3963 xudc->powergated = true; in tegra_xudc_powergate()
3964 xudc->saved_regs.ctrl = xudc_readl(xudc, CTRL); in tegra_xudc_powergate()
3965 xudc->saved_regs.portpm = xudc_readl(xudc, PORTPM); in tegra_xudc_powergate()
3966 xudc_writel(xudc, 0, CTRL); in tegra_xudc_powergate()
3968 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_powergate()
3970 clk_bulk_disable_unprepare(xudc->soc->num_clks, xudc->clks); in tegra_xudc_powergate()
3972 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_powergate()
3974 dev_dbg(xudc->dev, "entering ELPG done\n"); in tegra_xudc_powergate()
3978 static int __maybe_unused tegra_xudc_unpowergate(struct tegra_xudc *xudc) in tegra_xudc_unpowergate() argument
3983 dev_dbg(xudc->dev, "exiting ELPG\n"); in tegra_xudc_unpowergate()
3985 err = regulator_bulk_enable(xudc->soc->num_supplies, in tegra_xudc_unpowergate()
3986 xudc->supplies); in tegra_xudc_unpowergate()
3990 err = clk_bulk_prepare_enable(xudc->soc->num_clks, xudc->clks); in tegra_xudc_unpowergate()
3994 tegra_xudc_fpci_ipfs_init(xudc); in tegra_xudc_unpowergate()
3996 tegra_xudc_device_params_init(xudc); in tegra_xudc_unpowergate()
3998 tegra_xudc_init_event_ring(xudc); in tegra_xudc_unpowergate()
4000 tegra_xudc_init_eps(xudc); in tegra_xudc_unpowergate()
4002 xudc_writel(xudc, xudc->saved_regs.portpm, PORTPM); in tegra_xudc_unpowergate()
4003 xudc_writel(xudc, xudc->saved_regs.ctrl, CTRL); in tegra_xudc_unpowergate()
4005 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_unpowergate()
4006 xudc->powergated = false; in tegra_xudc_unpowergate()
4007 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_unpowergate()
4009 dev_dbg(xudc->dev, "exiting ELPG done\n"); in tegra_xudc_unpowergate()
4015 struct tegra_xudc *xudc = dev_get_drvdata(dev); in tegra_xudc_suspend() local
4018 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_suspend()
4019 xudc->suspended = true; in tegra_xudc_suspend()
4020 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_suspend()
4022 flush_work(&xudc->usb_role_sw_work); in tegra_xudc_suspend()
4026 tegra_xudc_device_mode_off(xudc); in tegra_xudc_suspend()
4027 tegra_xudc_powergate(xudc); in tegra_xudc_suspend()
4037 struct tegra_xudc *xudc = dev_get_drvdata(dev); in tegra_xudc_resume() local
4041 err = tegra_xudc_unpowergate(xudc); in tegra_xudc_resume()
4045 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_resume()
4046 xudc->suspended = false; in tegra_xudc_resume()
4047 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_resume()
4049 schedule_work(&xudc->usb_role_sw_work); in tegra_xudc_resume()
4058 struct tegra_xudc *xudc = dev_get_drvdata(dev); in tegra_xudc_runtime_suspend() local
4060 return tegra_xudc_powergate(xudc); in tegra_xudc_runtime_suspend()
4065 struct tegra_xudc *xudc = dev_get_drvdata(dev); in tegra_xudc_runtime_resume() local
4067 return tegra_xudc_unpowergate(xudc); in tegra_xudc_runtime_resume()
4080 .name = "tegra-xudc",