Lines Matching defs:usb3
316 struct renesas_usb3 *usb3;
382 #define usb3_ep_to_usb3(_usb3_ep) (_usb3_ep->usb3)
386 #define usb3_get_ep(usb3, n) ((usb3)->usb3_ep + (n))
387 #define usb3_for_each_ep(usb3_ep, usb3, i) \
388 for ((i) = 0, usb3_ep = usb3_get_ep(usb3, (i)); \
389 (i) < (usb3)->num_usb3_eps; \
390 (i)++, usb3_ep = usb3_get_ep(usb3, (i)))
392 #define usb3_get_dma(usb3, i) (&(usb3)->dma[i])
393 #define usb3_for_each_dma(usb3, dma, i) \
394 for ((i) = 0, dma = usb3_get_dma((usb3), (i)); \
396 (i)++, dma = usb3_get_dma((usb3), (i)))
404 static void usb3_write(struct renesas_usb3 *usb3, u32 data, u32 offs)
406 iowrite32(data, usb3->reg + offs);
409 static u32 usb3_read(struct renesas_usb3 *usb3, u32 offs)
411 return ioread32(usb3->reg + offs);
414 static void usb3_set_bit(struct renesas_usb3 *usb3, u32 bits, u32 offs)
416 u32 val = usb3_read(usb3, offs);
419 usb3_write(usb3, val, offs);
422 static void usb3_clear_bit(struct renesas_usb3 *usb3, u32 bits, u32 offs)
424 u32 val = usb3_read(usb3, offs);
427 usb3_write(usb3, val, offs);
430 static void usb3_drd_write(struct renesas_usb3 *usb3, u32 data, u32 offs)
434 if (usb3->is_rzv2m)
435 reg = usb3->drd_reg + offs - USB3_DRD_CON(usb3);
437 reg = usb3->reg + offs;
442 static u32 usb3_drd_read(struct renesas_usb3 *usb3, u32 offs)
446 if (usb3->is_rzv2m)
447 reg = usb3->drd_reg + offs - USB3_DRD_CON(usb3);
449 reg = usb3->reg + offs;
454 static void usb3_drd_set_bit(struct renesas_usb3 *usb3, u32 bits, u32 offs)
456 u32 val = usb3_drd_read(usb3, offs);
459 usb3_drd_write(usb3, val, offs);
462 static void usb3_drd_clear_bit(struct renesas_usb3 *usb3, u32 bits, u32 offs)
464 u32 val = usb3_drd_read(usb3, offs);
467 usb3_drd_write(usb3, val, offs);
470 static int usb3_wait(struct renesas_usb3 *usb3, u32 reg, u32 mask,
476 if ((usb3_read(usb3, reg) & mask) == expected)
481 dev_dbg(usb3_to_dev(usb3), "%s: timed out (%8x, %08x, %08x)\n",
489 struct renesas_usb3 *usb3 = container_of(work, struct renesas_usb3,
492 extcon_set_state_sync(usb3->extcon, EXTCON_USB_HOST, usb3->extcon_host);
493 extcon_set_state_sync(usb3->extcon, EXTCON_USB, usb3->extcon_usb);
496 static void usb3_enable_irq_1(struct renesas_usb3 *usb3, u32 bits)
498 usb3_set_bit(usb3, bits, USB3_USB_INT_ENA_1);
501 static void usb3_disable_irq_1(struct renesas_usb3 *usb3, u32 bits)
503 usb3_clear_bit(usb3, bits, USB3_USB_INT_ENA_1);
506 static void usb3_enable_pipe_irq(struct renesas_usb3 *usb3, int num)
508 usb3_set_bit(usb3, USB_INT_2_PIPE(num), USB3_USB_INT_ENA_2);
511 static void usb3_disable_pipe_irq(struct renesas_usb3 *usb3, int num)
513 usb3_clear_bit(usb3, USB_INT_2_PIPE(num), USB3_USB_INT_ENA_2);
516 static bool usb3_is_host(struct renesas_usb3 *usb3)
518 return !(usb3_drd_read(usb3, USB3_DRD_CON(usb3)) & DRD_CON_PERI_CON);
521 static void usb3_init_axi_bridge(struct renesas_usb3 *usb3)
524 usb3_write(usb3, ~0, USB3_DMA_INT_STA);
525 usb3_write(usb3, 0, USB3_DMA_INT_ENA);
526 usb3_set_bit(usb3, AXI_INT_DMAINT | AXI_INT_EPCINT, USB3_AXI_INT_ENA);
529 static void usb3_init_epc_registers(struct renesas_usb3 *usb3)
531 usb3_write(usb3, ~0, USB3_USB_INT_STA_1);
532 if (!usb3->workaround_for_vbus)
533 usb3_enable_irq_1(usb3, USB_INT_1_VBUS_CNG);
536 static bool usb3_wakeup_usb2_phy(struct renesas_usb3 *usb3)
538 if (!(usb3_read(usb3, USB3_USB20_CON) & USB20_CON_B2_SUSPEND))
541 usb3_clear_bit(usb3, USB20_CON_B2_SUSPEND, USB3_USB20_CON);
542 usb3_enable_irq_1(usb3, USB_INT_1_B2_RSUM);
547 static void usb3_usb2_pullup(struct renesas_usb3 *usb3, int pullup)
551 if (usb3->softconnect && pullup)
552 usb3_set_bit(usb3, bits, USB3_USB20_CON);
554 usb3_clear_bit(usb3, bits, USB3_USB20_CON);
557 static void usb3_set_test_mode(struct renesas_usb3 *usb3)
559 u32 val = usb3_read(usb3, USB3_USB20_CON);
562 val |= USB20_CON_B2_TSTMOD(usb3->test_mode);
563 usb3_write(usb3, val | USB20_CON_B2_TSTMOD_EN, USB3_USB20_CON);
564 if (!usb3->test_mode)
565 usb3_clear_bit(usb3, USB20_CON_B2_TSTMOD_EN, USB3_USB20_CON);
568 static void usb3_start_usb2_connection(struct renesas_usb3 *usb3)
570 usb3->disabled_count++;
571 usb3_set_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON);
572 usb3_set_bit(usb3, USB_COM_CON_SPD_MODE, USB3_USB_COM_CON);
573 usb3_usb2_pullup(usb3, 1);
576 static int usb3_is_usb3_phy_in_u3(struct renesas_usb3 *usb3)
578 return usb3_read(usb3, USB3_USB30_CON) & USB30_CON_POW_SEL_IN_U3;
581 static bool usb3_wakeup_usb3_phy(struct renesas_usb3 *usb3)
583 if (!usb3_is_usb3_phy_in_u3(usb3))
586 usb3_set_bit(usb3, USB30_CON_B3_PLLWAKE, USB3_USB30_CON);
587 usb3_enable_irq_1(usb3, USB_INT_1_B3_PLLWKUP);
592 static u16 usb3_feature_get_un_enabled(struct renesas_usb3 *usb3)
596 u32 val = usb3_read(usb3, USB3_SSIFCMD);
608 static void usb3_feature_u2_enable(struct renesas_usb3 *usb3, bool enable)
614 usb3_clear_bit(usb3, bits, USB3_SSIFCMD);
616 usb3_set_bit(usb3, bits, USB3_SSIFCMD);
619 static void usb3_feature_u1_enable(struct renesas_usb3 *usb3, bool enable)
625 usb3_clear_bit(usb3, bits, USB3_SSIFCMD);
627 usb3_set_bit(usb3, bits, USB3_SSIFCMD);
630 static void usb3_start_operation_for_usb3(struct renesas_usb3 *usb3)
632 usb3_set_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON);
633 usb3_clear_bit(usb3, USB_COM_CON_SPD_MODE, USB3_USB_COM_CON);
634 usb3_set_bit(usb3, USB30_CON_B3_CONNECT, USB3_USB30_CON);
637 static void usb3_start_usb3_connection(struct renesas_usb3 *usb3)
639 usb3_start_operation_for_usb3(usb3);
640 usb3_set_bit(usb3, USB_COM_CON_RX_DETECTION, USB3_USB_COM_CON);
642 usb3_enable_irq_1(usb3, USB_INT_1_B3_LUPSUCS | USB_INT_1_B3_DISABLE |
646 static void usb3_stop_usb3_connection(struct renesas_usb3 *usb3)
648 usb3_clear_bit(usb3, USB30_CON_B3_CONNECT, USB3_USB30_CON);
651 static void usb3_transition_to_default_state(struct renesas_usb3 *usb3,
654 usb3_set_bit(usb3, USB_INT_2_PIPE(0), USB3_USB_INT_ENA_2);
655 usb3_write(usb3, P0_INT_ALL_BITS, USB3_P0_INT_STA);
656 usb3_set_bit(usb3, P0_INT_ALL_BITS, USB3_P0_INT_ENA);
659 usb3_enable_irq_1(usb3, USB_INT_1_B3_WRMRST |
662 usb3_enable_irq_1(usb3, USB_INT_1_B2_SPND |
666 static void usb3_connect(struct renesas_usb3 *usb3)
668 if (usb3_wakeup_usb3_phy(usb3))
669 usb3_start_usb3_connection(usb3);
672 static void usb3_reset_epc(struct renesas_usb3 *usb3)
674 usb3_clear_bit(usb3, USB_COM_CON_CONF, USB3_USB_COM_CON);
675 usb3_clear_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON);
676 usb3_set_bit(usb3, USB_COM_CON_PIPE_CLR, USB3_USB_COM_CON);
677 usb3->test_mode = 0;
678 usb3_set_test_mode(usb3);
681 static void usb3_disconnect(struct renesas_usb3 *usb3)
683 usb3->disabled_count = 0;
684 usb3_usb2_pullup(usb3, 0);
685 usb3_clear_bit(usb3, USB30_CON_B3_CONNECT, USB3_USB30_CON);
686 usb3_reset_epc(usb3);
687 usb3_disable_irq_1(usb3, USB_INT_1_B2_RSUM | USB_INT_1_B3_PLLWKUP |
692 usb3_clear_bit(usb3, USB_COM_CON_SPD_MODE, USB3_USB_COM_CON);
693 usb3_init_epc_registers(usb3);
695 if (usb3->driver)
696 usb3->driver->disconnect(&usb3->gadget);
699 static void usb3_check_vbus(struct renesas_usb3 *usb3)
701 if (usb3->workaround_for_vbus) {
702 usb3_connect(usb3);
704 usb3->extcon_usb = !!(usb3_read(usb3, USB3_USB_STA) &
706 if (usb3->extcon_usb)
707 usb3_connect(usb3);
709 usb3_disconnect(usb3);
711 schedule_work(&usb3->extcon_work);
717 struct renesas_usb3 *usb3 =
720 usb_role_switch_set_role(usb3->role_sw, usb3->role);
723 static void usb3_set_mode(struct renesas_usb3 *usb3, bool host)
725 if (usb3->is_rzv2m) {
727 usb3_drd_set_bit(usb3, DRD_CON_PERI_RST, USB3_DRD_CON(usb3));
728 usb3_drd_clear_bit(usb3, DRD_CON_HOST_RST, USB3_DRD_CON(usb3));
730 usb3_drd_set_bit(usb3, DRD_CON_HOST_RST, USB3_DRD_CON(usb3));
731 usb3_drd_clear_bit(usb3, DRD_CON_PERI_RST, USB3_DRD_CON(usb3));
736 usb3_drd_clear_bit(usb3, DRD_CON_PERI_CON, USB3_DRD_CON(usb3));
738 usb3_drd_set_bit(usb3, DRD_CON_PERI_CON, USB3_DRD_CON(usb3));
741 static void usb3_set_mode_by_role_sw(struct renesas_usb3 *usb3, bool host)
743 if (usb3->role_sw) {
744 usb3->role = host ? USB_ROLE_HOST : USB_ROLE_DEVICE;
745 schedule_work(&usb3->role_work);
747 usb3_set_mode(usb3, host);
751 static void usb3_vbus_out(struct renesas_usb3 *usb3, bool enable)
754 usb3_drd_set_bit(usb3, DRD_CON_VBOUT, USB3_DRD_CON(usb3));
756 usb3_drd_clear_bit(usb3, DRD_CON_VBOUT, USB3_DRD_CON(usb3));
759 static void usb3_mode_config(struct renesas_usb3 *usb3, bool host, bool a_dev)
763 spin_lock_irqsave(&usb3->lock, flags);
764 if (!usb3->role_sw_by_connector ||
765 usb3->connection_state != USB_ROLE_NONE) {
766 usb3_set_mode_by_role_sw(usb3, host);
767 usb3_vbus_out(usb3, a_dev);
770 if ((!host && a_dev) || usb3->start_to_connect)
771 usb3_connect(usb3);
772 spin_unlock_irqrestore(&usb3->lock, flags);
775 static bool usb3_is_a_device(struct renesas_usb3 *usb3)
777 return !(usb3_drd_read(usb3, USB3_USB_OTG_STA(usb3)) & USB_OTG_IDMON(usb3));
780 static void usb3_check_id(struct renesas_usb3 *usb3)
782 usb3->extcon_host = usb3_is_a_device(usb3);
784 if ((!usb3->role_sw_by_connector && usb3->extcon_host &&
785 !usb3->forced_b_device) || usb3->connection_state == USB_ROLE_HOST)
786 usb3_mode_config(usb3, true, true);
788 usb3_mode_config(usb3, false, false);
790 schedule_work(&usb3->extcon_work);
793 static void renesas_usb3_init_controller(struct renesas_usb3 *usb3)
795 usb3_init_axi_bridge(usb3);
796 usb3_init_epc_registers(usb3);
797 usb3_set_bit(usb3, USB_COM_CON_PN_WDATAIF_NL |
800 usb3_drd_write(usb3, USB_OTG_IDMON(usb3), USB3_USB_OTG_INT_STA(usb3));
801 usb3_drd_write(usb3, USB_OTG_IDMON(usb3), USB3_USB_OTG_INT_ENA(usb3));
803 usb3_check_id(usb3);
804 usb3_check_vbus(usb3);
807 static void renesas_usb3_stop_controller(struct renesas_usb3 *usb3)
809 usb3_disconnect(usb3);
810 usb3_write(usb3, 0, USB3_P0_INT_ENA);
811 usb3_drd_write(usb3, 0, USB3_USB_OTG_INT_ENA(usb3));
812 usb3_write(usb3, 0, USB3_USB_INT_ENA_1);
813 usb3_write(usb3, 0, USB3_USB_INT_ENA_2);
814 usb3_write(usb3, 0, USB3_AXI_INT_ENA);
817 static void usb3_irq_epc_int_1_pll_wakeup(struct renesas_usb3 *usb3)
819 usb3_disable_irq_1(usb3, USB_INT_1_B3_PLLWKUP);
820 usb3_clear_bit(usb3, USB30_CON_B3_PLLWAKE, USB3_USB30_CON);
821 usb3_start_usb3_connection(usb3);
824 static void usb3_irq_epc_int_1_linkup_success(struct renesas_usb3 *usb3)
826 usb3_transition_to_default_state(usb3, true);
829 static void usb3_irq_epc_int_1_resume(struct renesas_usb3 *usb3)
831 usb3_disable_irq_1(usb3, USB_INT_1_B2_RSUM);
832 usb3_start_usb2_connection(usb3);
833 usb3_transition_to_default_state(usb3, false);
836 static void usb3_irq_epc_int_1_suspend(struct renesas_usb3 *usb3)
838 usb3_disable_irq_1(usb3, USB_INT_1_B2_SPND);
840 if (usb3->gadget.speed != USB_SPEED_UNKNOWN &&
841 usb3->gadget.state != USB_STATE_NOTATTACHED) {
842 if (usb3->driver && usb3->driver->suspend)
843 usb3->driver->suspend(&usb3->gadget);
844 usb_gadget_set_state(&usb3->gadget, USB_STATE_SUSPENDED);
848 static void usb3_irq_epc_int_1_disable(struct renesas_usb3 *usb3)
850 usb3_stop_usb3_connection(usb3);
851 if (usb3_wakeup_usb2_phy(usb3))
852 usb3_irq_epc_int_1_resume(usb3);
855 static void usb3_irq_epc_int_1_bus_reset(struct renesas_usb3 *usb3)
857 usb3_reset_epc(usb3);
858 if (usb3->disabled_count < 3)
859 usb3_start_usb3_connection(usb3);
861 usb3_start_usb2_connection(usb3);
864 static void usb3_irq_epc_int_1_vbus_change(struct renesas_usb3 *usb3)
866 usb3_check_vbus(usb3);
869 static void usb3_irq_epc_int_1_hot_reset(struct renesas_usb3 *usb3)
871 usb3_reset_epc(usb3);
872 usb3_set_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON);
875 usb3_set_bit(usb3, USB30_CON_B3_HOTRST_CMP, USB3_USB30_CON);
878 static void usb3_irq_epc_int_1_warm_reset(struct renesas_usb3 *usb3)
880 usb3_reset_epc(usb3);
881 usb3_set_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON);
883 usb3_start_operation_for_usb3(usb3);
884 usb3_enable_irq_1(usb3, USB_INT_1_SPEED);
887 static void usb3_irq_epc_int_1_speed(struct renesas_usb3 *usb3)
889 u32 speed = usb3_read(usb3, USB3_USB_STA) & USB_STA_SPEED_MASK;
893 usb3->gadget.speed = USB_SPEED_SUPER;
894 usb3->gadget.ep0->maxpacket = USB3_EP0_SS_MAX_PACKET_SIZE;
897 usb3->gadget.speed = USB_SPEED_HIGH;
898 usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE;
901 usb3->gadget.speed = USB_SPEED_FULL;
902 usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE;
905 usb3->gadget.speed = USB_SPEED_UNKNOWN;
910 static void usb3_irq_epc_int_1(struct renesas_usb3 *usb3, u32 int_sta_1)
913 usb3_irq_epc_int_1_pll_wakeup(usb3);
916 usb3_irq_epc_int_1_linkup_success(usb3);
919 usb3_irq_epc_int_1_hot_reset(usb3);
922 usb3_irq_epc_int_1_warm_reset(usb3);
925 usb3_irq_epc_int_1_disable(usb3);
928 usb3_irq_epc_int_1_bus_reset(usb3);
931 usb3_irq_epc_int_1_resume(usb3);
934 usb3_irq_epc_int_1_suspend(usb3);
937 usb3_irq_epc_int_1_speed(usb3);
940 usb3_irq_epc_int_1_vbus_change(usb3);
953 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
957 spin_lock_irqsave(&usb3->lock, flags);
959 spin_unlock_irqrestore(&usb3->lock, flags);
968 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
970 dev_dbg(usb3_to_dev(usb3), "giveback: ep%2d, %u, %u, %d\n",
976 spin_unlock(&usb3->lock);
978 spin_lock(&usb3->lock);
984 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
987 spin_lock_irqsave(&usb3->lock, flags);
989 spin_unlock_irqrestore(&usb3->lock, flags);
992 static void usb3_irq_epc_pipe0_status_end(struct renesas_usb3 *usb3)
994 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0);
999 if (usb3->test_mode)
1000 usb3_set_test_mode(usb3);
1003 static void usb3_get_setup_data(struct renesas_usb3 *usb3,
1006 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0);
1009 *data++ = usb3_read(usb3, USB3_STUP_DAT_0);
1010 *data = usb3_read(usb3, USB3_STUP_DAT_1);
1016 static void usb3_set_p0_con_update_res(struct renesas_usb3 *usb3, u32 res)
1018 u32 val = usb3_read(usb3, USB3_P0_CON);
1022 usb3_write(usb3, val, USB3_P0_CON);
1025 static void usb3_set_p0_con_for_ctrl_read_data(struct renesas_usb3 *usb3)
1027 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_FORCE_NRDY |
1032 static void usb3_set_p0_con_for_ctrl_read_status(struct renesas_usb3 *usb3)
1034 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_NORMAL |
1039 static void usb3_set_p0_con_for_ctrl_write_data(struct renesas_usb3 *usb3)
1041 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_FORCE_NRDY |
1046 static void usb3_set_p0_con_for_ctrl_write_status(struct renesas_usb3 *usb3)
1048 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_NORMAL |
1053 static void usb3_set_p0_con_for_no_data(struct renesas_usb3 *usb3)
1055 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_NORMAL |
1060 static void usb3_set_p0_con_stall(struct renesas_usb3 *usb3)
1062 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_FORCE_STALL |
1067 static void usb3_set_p0_con_stop(struct renesas_usb3 *usb3)
1069 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_FORCE_NRDY |
1074 static int usb3_pn_change(struct renesas_usb3 *usb3, int num)
1076 if (num == 0 || num > usb3->num_usb3_eps)
1079 usb3_write(usb3, num, USB3_PIPE_COM);
1084 static void usb3_set_pn_con_update_res(struct renesas_usb3 *usb3, u32 res)
1086 u32 val = usb3_read(usb3, USB3_PN_CON);
1091 usb3_write(usb3, val, USB3_PN_CON);
1094 static void usb3_pn_start(struct renesas_usb3 *usb3)
1096 usb3_set_pn_con_update_res(usb3, PN_CON_RES_NORMAL);
1099 static void usb3_pn_stop(struct renesas_usb3 *usb3)
1101 usb3_set_pn_con_update_res(usb3, PN_CON_RES_FORCE_NRDY);
1104 static void usb3_pn_stall(struct renesas_usb3 *usb3)
1106 usb3_set_pn_con_update_res(usb3, PN_CON_RES_FORCE_STALL);
1109 static int usb3_pn_con_clear(struct renesas_usb3 *usb3)
1111 usb3_set_bit(usb3, PN_CON_CLR, USB3_PN_CON);
1113 return usb3_wait(usb3, USB3_PN_CON, PN_CON_CLR, 0);
1130 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1133 return usb3_wait(usb3, sta_reg, mask, mask);
1139 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1141 u32 val = usb3_read(usb3, con_reg);
1145 usb3_write(usb3, val, con_reg);
1152 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1168 iowrite32_rep(usb3->reg + fifo_reg, buf, len / 4);
1176 usb3_write(usb3, tmp, fifo_reg);
1189 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1192 return usb3_read(usb3, lng_reg);
1198 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1213 ioread32_rep(usb3->reg + fifo_reg, buf, len / 4);
1219 tmp = usb3_read(usb3, fifo_reg);
1230 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1233 usb3_set_p0_con_for_ctrl_read_status(usb3);
1236 usb3_set_p0_con_for_no_data(usb3);
1238 usb3_set_p0_con_for_ctrl_write_status(usb3);
1259 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1267 usb3_set_bit(usb3, P0_MOD_DIR, USB3_P0_MOD);
1268 usb3_set_p0_con_for_ctrl_read_data(usb3);
1270 usb3_clear_bit(usb3, P0_MOD_DIR, USB3_P0_MOD);
1272 usb3_set_p0_con_for_ctrl_write_data(usb3);
1278 static void usb3_enable_dma_pipen(struct renesas_usb3 *usb3)
1280 usb3_set_bit(usb3, PN_CON_DATAIF_EN, USB3_PN_CON);
1283 static void usb3_disable_dma_pipen(struct renesas_usb3 *usb3)
1285 usb3_clear_bit(usb3, PN_CON_DATAIF_EN, USB3_PN_CON);
1288 static void usb3_enable_dma_irq(struct renesas_usb3 *usb3, int num)
1290 usb3_set_bit(usb3, DMA_INT(num), USB3_DMA_INT_ENA);
1293 static void usb3_disable_dma_irq(struct renesas_usb3 *usb3, int num)
1295 usb3_clear_bit(usb3, DMA_INT(num), USB3_DMA_INT_ENA);
1321 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1327 dev_dbg(usb3_to_dev(usb3), "%s: the length is too big (%d)\n",
1339 usb3_for_each_dma(usb3, dma, i) {
1343 if (usb_gadget_map_request(&usb3->gadget, &usb3_req->req,
1359 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1363 usb3_for_each_dma(usb3, dma, i) {
1365 usb_gadget_unmap_request(&usb3->gadget, &usb3_req->req,
1406 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1414 usb3_write(usb3, 1 << usb3_ep->num, USB3_DMA_INT_STA);
1415 usb3_write(usb3, AXI_INT_PRDEN_CLR_STA(dma->num) |
1418 usb3_write(usb3, dma->prd_dma, USB3_DMA_CH0_PRD_ADR(dma->num));
1419 usb3_write(usb3, dma_con, USB3_DMA_CH0_CON(dma->num));
1420 usb3_enable_dma_irq(usb3, usb3_ep->num);
1425 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1428 usb3_disable_dma_irq(usb3, usb3_ep->num);
1429 usb3_write(usb3, 0, USB3_DMA_CH0_CON(dma->num));
1467 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1473 usb3_pn_stop(usb3);
1474 usb3_enable_dma_pipen(usb3);
1477 usb3_pn_start(usb3);
1487 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1491 spin_lock_irqsave(&usb3->lock, flags);
1495 if (!usb3_pn_change(usb3, usb3_ep->num))
1496 usb3_disable_dma_pipen(usb3);
1502 spin_unlock_irqrestore(&usb3->lock, flags);
1506 static int renesas_usb3_dma_free_prd(struct renesas_usb3 *usb3,
1512 usb3_for_each_dma(usb3, dma, i) {
1523 static int renesas_usb3_dma_alloc_prd(struct renesas_usb3 *usb3,
1532 usb3_for_each_dma(usb3, dma, i) {
1536 renesas_usb3_dma_free_prd(usb3, dev);
1548 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1554 spin_lock_irqsave(&usb3->lock, flags);
1561 if (usb3_pn_change(usb3, usb3_ep->num) < 0)
1569 usb3_pn_start(usb3);
1580 usb3_set_bit(usb3, enable_bits, USB3_PN_INT_ENA);
1581 usb3_enable_pipe_irq(usb3, usb3_ep->num);
1584 spin_unlock_irqrestore(&usb3->lock, flags);
1592 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1595 dev_dbg(usb3_to_dev(usb3), "ep_queue: ep%2d, %u\n", usb3_ep->num,
1600 spin_lock_irqsave(&usb3->lock, flags);
1602 spin_unlock_irqrestore(&usb3->lock, flags);
1612 static void usb3_set_device_address(struct renesas_usb3 *usb3, u16 addr)
1615 usb3_set_bit(usb3, USB_COM_CON_DEV_ADDR(addr), USB3_USB_COM_CON);
1618 static bool usb3_std_req_set_address(struct renesas_usb3 *usb3,
1624 usb3_set_device_address(usb3, le16_to_cpu(ctrl->wValue));
1625 usb3_set_p0_con_for_no_data(usb3);
1630 static void usb3_pipe0_internal_xfer(struct renesas_usb3 *usb3,
1635 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0);
1638 memcpy(usb3->ep0_buf, tx_data,
1641 usb3->ep0_req->buf = &usb3->ep0_buf;
1642 usb3->ep0_req->length = len;
1643 usb3->ep0_req->complete = complete;
1644 renesas_usb3_ep_queue(&usb3_ep->ep, usb3->ep0_req, GFP_ATOMIC);
1652 static bool usb3_std_req_get_status(struct renesas_usb3 *usb3,
1663 if (usb3->gadget.is_selfpowered)
1665 if (usb3->gadget.speed == USB_SPEED_SUPER)
1666 status |= usb3_feature_get_un_enabled(usb3);
1672 usb3_ep = usb3_get_ep(usb3, num);
1683 dev_dbg(usb3_to_dev(usb3), "get_status: req = %p\n",
1684 usb_req_to_usb3_req(usb3->ep0_req));
1685 usb3_pipe0_internal_xfer(usb3, &tx_data, sizeof(tx_data),
1692 static bool usb3_std_req_feature_device(struct renesas_usb3 *usb3,
1702 usb3->test_mode = le16_to_cpu(ctrl->wIndex) >> 8;
1707 if (usb3->gadget.speed != USB_SPEED_SUPER)
1710 usb3_feature_u1_enable(usb3, set);
1712 usb3_feature_u2_enable(usb3, set);
1724 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1731 usb3_set_p0_con_stall(usb3);
1733 usb3_set_p0_con_stop(usb3);
1741 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1744 spin_lock_irqsave(&usb3->lock, flags);
1745 if (!usb3_pn_change(usb3, usb3_ep->num)) {
1748 usb3_pn_stall(usb3);
1750 usb3_pn_con_clear(usb3);
1751 usb3_set_bit(usb3, PN_CON_EN, USB3_PN_CON);
1752 usb3_pn_stop(usb3);
1755 spin_unlock_irqrestore(&usb3->lock, flags);
1776 static bool usb3_std_req_feature_endpoint(struct renesas_usb3 *usb3,
1787 usb3_ep = usb3_get_ep(usb3, num);
1801 static bool usb3_std_req_feature(struct renesas_usb3 *usb3,
1808 stall = usb3_std_req_feature_device(usb3, ctrl, set);
1813 stall = usb3_std_req_feature_endpoint(usb3, ctrl, set);
1821 usb3_set_p0_con_for_no_data(usb3);
1832 static bool usb3_std_req_set_sel(struct renesas_usb3 *usb3,
1840 dev_dbg(usb3_to_dev(usb3), "set_sel: req = %p\n",
1841 usb_req_to_usb3_req(usb3->ep0_req));
1842 usb3_pipe0_internal_xfer(usb3, NULL, 6, usb3_pipe0_set_sel_completion);
1847 static bool usb3_std_req_set_configuration(struct renesas_usb3 *usb3,
1851 usb3_set_bit(usb3, USB_COM_CON_CONF, USB3_USB_COM_CON);
1853 usb3_clear_bit(usb3, USB_COM_CON_CONF, USB3_USB_COM_CON);
1860 * @usb3: the renesas_usb3 pointer
1865 static bool usb3_handle_standard_request(struct renesas_usb3 *usb3,
1874 stall = usb3_std_req_set_address(usb3, ctrl);
1878 stall = usb3_std_req_get_status(usb3, ctrl);
1882 stall = usb3_std_req_feature(usb3, ctrl, false);
1886 stall = usb3_std_req_feature(usb3, ctrl, true);
1890 stall = usb3_std_req_set_sel(usb3, ctrl);
1899 usb3_std_req_set_configuration(usb3, ctrl);
1907 usb3_set_p0_con_stall(usb3);
1912 static int usb3_p0_con_clear_buffer(struct renesas_usb3 *usb3)
1914 usb3_set_bit(usb3, P0_CON_BCLR, USB3_P0_CON);
1916 return usb3_wait(usb3, USB3_P0_CON, P0_CON_BCLR, 0);
1919 static void usb3_irq_epc_pipe0_setup(struct renesas_usb3 *usb3)
1922 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0);
1929 usb3_p0_con_clear_buffer(usb3);
1930 usb3_get_setup_data(usb3, &ctrl);
1931 if (!usb3_handle_standard_request(usb3, &ctrl))
1932 if (usb3->driver->setup(&usb3->gadget, &ctrl) < 0)
1933 usb3_set_p0_con_stall(usb3);
1936 static void usb3_irq_epc_pipe0_bfrdy(struct renesas_usb3 *usb3)
1938 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0);
1947 static void usb3_irq_epc_pipe0(struct renesas_usb3 *usb3)
1949 u32 p0_int_sta = usb3_read(usb3, USB3_P0_INT_STA);
1951 p0_int_sta &= usb3_read(usb3, USB3_P0_INT_ENA);
1952 usb3_write(usb3, p0_int_sta, USB3_P0_INT_STA);
1954 usb3_irq_epc_pipe0_status_end(usb3);
1956 usb3_irq_epc_pipe0_setup(usb3);
1958 usb3_irq_epc_pipe0_bfrdy(usb3);
1961 static void usb3_request_done_pipen(struct renesas_usb3 *usb3,
1968 spin_lock_irqsave(&usb3->lock, flags);
1969 if (usb3_pn_change(usb3, usb3_ep->num))
1970 usb3_pn_stop(usb3);
1971 spin_unlock_irqrestore(&usb3->lock, flags);
1973 usb3_disable_pipe_irq(usb3, usb3_ep->num);
1982 static void usb3_irq_epc_pipen_lsttr(struct renesas_usb3 *usb3, int num)
1984 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, num);
1991 dev_dbg(usb3_to_dev(usb3), "%s: len = %u, actual = %u\n",
1993 usb3_request_done_pipen(usb3, usb3_ep, usb3_req, 0);
1997 static void usb3_irq_epc_pipen_bfrdy(struct renesas_usb3 *usb3, int num)
1999 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, num);
2006 spin_lock(&usb3->lock);
2007 if (usb3_pn_change(usb3, num))
2013 usb3_clear_bit(usb3, PN_INT_BFRDY, USB3_PN_INT_ENA);
2021 spin_unlock(&usb3->lock);
2024 usb3_request_done_pipen(usb3, usb3_ep, usb3_req, 0);
2027 static void usb3_irq_epc_pipen(struct renesas_usb3 *usb3, int num)
2031 spin_lock(&usb3->lock);
2032 if (usb3_pn_change(usb3, num) < 0) {
2033 spin_unlock(&usb3->lock);
2037 pn_int_sta = usb3_read(usb3, USB3_PN_INT_STA);
2038 pn_int_sta &= usb3_read(usb3, USB3_PN_INT_ENA);
2039 usb3_write(usb3, pn_int_sta, USB3_PN_INT_STA);
2040 spin_unlock(&usb3->lock);
2042 usb3_irq_epc_pipen_lsttr(usb3, num);
2044 usb3_irq_epc_pipen_bfrdy(usb3, num);
2047 static void usb3_irq_epc_int_2(struct renesas_usb3 *usb3, u32 int_sta_2)
2051 for (i = 0; i < usb3->num_usb3_eps; i++) {
2054 usb3_irq_epc_pipe0(usb3);
2056 usb3_irq_epc_pipen(usb3, i);
2061 static void usb3_irq_idmon_change(struct renesas_usb3 *usb3)
2063 usb3_check_id(usb3);
2066 static void usb3_irq_otg_int(struct renesas_usb3 *usb3)
2068 u32 otg_int_sta = usb3_drd_read(usb3, USB3_USB_OTG_INT_STA(usb3));
2070 otg_int_sta &= usb3_drd_read(usb3, USB3_USB_OTG_INT_ENA(usb3));
2072 usb3_drd_write(usb3, otg_int_sta, USB3_USB_OTG_INT_STA(usb3));
2074 if (otg_int_sta & USB_OTG_IDMON(usb3))
2075 usb3_irq_idmon_change(usb3);
2078 static void usb3_irq_epc(struct renesas_usb3 *usb3)
2080 u32 int_sta_1 = usb3_read(usb3, USB3_USB_INT_STA_1);
2081 u32 int_sta_2 = usb3_read(usb3, USB3_USB_INT_STA_2);
2083 int_sta_1 &= usb3_read(usb3, USB3_USB_INT_ENA_1);
2085 usb3_write(usb3, int_sta_1, USB3_USB_INT_STA_1);
2086 usb3_irq_epc_int_1(usb3, int_sta_1);
2089 int_sta_2 &= usb3_read(usb3, USB3_USB_INT_ENA_2);
2091 usb3_irq_epc_int_2(usb3, int_sta_2);
2093 if (!usb3->is_rzv2m)
2094 usb3_irq_otg_int(usb3);
2097 static void usb3_irq_dma_int(struct renesas_usb3 *usb3, u32 dma_sta)
2103 for (i = 0; i < usb3->num_usb3_eps; i++) {
2107 usb3_ep = usb3_get_ep(usb3, i);
2108 if (!(usb3_read(usb3, USB3_AXI_INT_STA) &
2114 usb3_request_done_pipen(usb3, usb3_ep, usb3_req, status);
2118 static void usb3_irq_dma(struct renesas_usb3 *usb3)
2120 u32 dma_sta = usb3_read(usb3, USB3_DMA_INT_STA);
2122 dma_sta &= usb3_read(usb3, USB3_DMA_INT_ENA);
2124 usb3_write(usb3, dma_sta, USB3_DMA_INT_STA);
2125 usb3_irq_dma_int(usb3, dma_sta);
2131 struct renesas_usb3 *usb3 = _usb3;
2133 u32 axi_int_sta = usb3_read(usb3, USB3_AXI_INT_STA);
2136 usb3_irq_dma(usb3);
2141 usb3_irq_epc(usb3);
2150 struct renesas_usb3 *usb3 = _usb3;
2152 usb3_irq_otg_int(usb3);
2160 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
2166 usb3_write(usb3, val, USB3_PN_MOD);
2203 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
2208 spin_lock_irqsave(&usb3->lock, flags);
2209 if (!usb3_pn_change(usb3, usb3_ep->num)) {
2211 usb3_write(usb3, usb3_calc_rammap_val(usb3_ep, desc),
2213 usb3_pn_con_clear(usb3);
2214 usb3_set_bit(usb3, PN_CON_EN, USB3_PN_CON);
2216 spin_unlock_irqrestore(&usb3->lock, flags);
2223 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
2228 spin_lock_irqsave(&usb3->lock, flags);
2229 if (!usb3_pn_change(usb3, usb3_ep->num)) {
2230 usb3_write(usb3, 0, USB3_PN_INT_ENA);
2231 usb3_write(usb3, 0, USB3_PN_RAMMAP);
2232 usb3_clear_bit(usb3, PN_CON_EN, USB3_PN_CON);
2234 spin_unlock_irqrestore(&usb3->lock, flags);
2300 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
2302 dev_dbg(usb3_to_dev(usb3), "ep_dequeue: ep%2d, %u\n", usb3_ep->num,
2306 usb3_request_done_pipen(usb3, usb3_ep, usb3_req, -ECONNRESET);
2327 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
2331 spin_lock_irqsave(&usb3->lock, flags);
2332 if (!usb3_pn_change(usb3, usb3_ep->num)) {
2333 usb3_pn_con_clear(usb3);
2334 usb3_set_bit(usb3, PN_CON_EN, USB3_PN_CON);
2336 spin_unlock_irqrestore(&usb3->lock, flags);
2338 usb3_p0_con_clear_buffer(usb3);
2361 struct renesas_usb3 *usb3;
2367 usb3 = gadget_to_renesas_usb3(gadget);
2369 if (usb3->is_rzv2m && usb3_is_a_device(usb3))
2373 usb3->driver = driver;
2375 if (usb3->phy)
2376 phy_init(usb3->phy);
2378 pm_runtime_get_sync(usb3_to_dev(usb3));
2381 if (usb3->is_rzv2m)
2382 rzv2m_usb3drd_reset(usb3_to_dev(usb3)->parent, false);
2384 renesas_usb3_init_controller(usb3);
2391 struct renesas_usb3 *usb3 = gadget_to_renesas_usb3(gadget);
2393 usb3->softconnect = false;
2394 usb3->gadget.speed = USB_SPEED_UNKNOWN;
2395 usb3->driver = NULL;
2396 if (usb3->is_rzv2m)
2397 rzv2m_usb3drd_reset(usb3_to_dev(usb3)->parent, false);
2399 renesas_usb3_stop_controller(usb3);
2400 if (usb3->phy)
2401 phy_exit(usb3->phy);
2403 pm_runtime_put(usb3_to_dev(usb3));
2415 struct renesas_usb3 *usb3 = gadget_to_renesas_usb3(gadget);
2417 usb3->softconnect = !!is_on;
2439 struct renesas_usb3 *usb3 = usb_role_switch_get_drvdata(sw);
2442 pm_runtime_get_sync(usb3_to_dev(usb3));
2443 cur_role = usb3_is_host(usb3) ? USB_ROLE_HOST : USB_ROLE_DEVICE;
2444 pm_runtime_put(usb3_to_dev(usb3));
2452 struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
2453 struct device *host = usb3->host_dev;
2454 enum usb_role cur_role = renesas_usb3_role_switch_get(usb3->role_sw);
2458 usb3->connection_state = USB_ROLE_NONE;
2459 if (!usb3->is_rzv2m && cur_role == USB_ROLE_HOST)
2461 if (usb3->driver) {
2462 if (usb3->is_rzv2m)
2464 usb3_disconnect(usb3);
2466 usb3_vbus_out(usb3, false);
2468 if (usb3->is_rzv2m) {
2474 if (usb3->connection_state == USB_ROLE_NONE) {
2475 usb3->connection_state = USB_ROLE_DEVICE;
2476 usb3_set_mode(usb3, false);
2477 if (usb3->driver) {
2478 if (usb3->is_rzv2m)
2479 renesas_usb3_init_controller(usb3);
2480 usb3_connect(usb3);
2484 usb3_set_mode(usb3, false);
2485 if (usb3->driver)
2486 usb3_connect(usb3);
2488 usb3_vbus_out(usb3, false);
2491 if (usb3->connection_state == USB_ROLE_NONE) {
2492 if (usb3->driver) {
2493 if (usb3->is_rzv2m)
2495 usb3_disconnect(usb3);
2498 usb3->connection_state = USB_ROLE_HOST;
2499 usb3_set_mode(usb3, true);
2500 usb3_vbus_out(usb3, true);
2504 usb3_disconnect(usb3);
2506 usb3_set_mode(usb3, true);
2520 struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
2521 struct device *host = usb3->host_dev;
2522 enum usb_role cur_role = renesas_usb3_role_switch_get(usb3->role_sw);
2526 usb3_set_mode(usb3, false);
2529 usb3_set_mode(usb3, true);
2539 struct renesas_usb3 *usb3 = usb_role_switch_get_drvdata(sw);
2541 pm_runtime_get_sync(usb3_to_dev(usb3));
2543 if (usb3->role_sw_by_connector)
2544 handle_ext_role_switch_states(usb3_to_dev(usb3), role);
2546 handle_role_switch_states(usb3_to_dev(usb3), role);
2548 pm_runtime_put(usb3_to_dev(usb3));
2556 struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
2559 if (!usb3->driver)
2562 if (usb3->forced_b_device)
2572 if (new_mode_is_host == usb3_is_host(usb3))
2575 usb3_mode_config(usb3, new_mode_is_host, usb3_is_a_device(usb3));
2583 struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
2585 if (!usb3->driver)
2588 return sprintf(buf, "%s\n", usb3_is_host(usb3) ? "host" : "peripheral");
2594 struct renesas_usb3 *usb3 = s->private;
2596 seq_printf(s, "%d\n", usb3->forced_b_device);
2611 struct renesas_usb3 *usb3 = s->private;
2614 if (!usb3->driver)
2620 usb3->start_to_connect = false;
2621 if (usb3->workaround_for_vbus && usb3->forced_b_device &&
2623 usb3->start_to_connect = true;
2625 usb3->forced_b_device = true;
2627 usb3->forced_b_device = false;
2629 if (usb3->workaround_for_vbus)
2630 usb3_disconnect(usb3);
2633 usb3_check_id(usb3);
2646 static void renesas_usb3_debugfs_init(struct renesas_usb3 *usb3,
2649 usb3->dentry = debugfs_create_dir(dev_name(dev), usb_debug_root);
2651 debugfs_create_file("b_device", 0644, usb3->dentry, usb3,
2658 struct renesas_usb3 *usb3 = platform_get_drvdata(pdev);
2660 debugfs_remove_recursive(usb3->dentry);
2663 cancel_work_sync(&usb3->role_work);
2664 usb_role_switch_unregister(usb3->role_sw);
2666 usb_del_gadget_udc(&usb3->gadget);
2667 reset_control_assert(usb3->usbp_rstc);
2668 renesas_usb3_dma_free_prd(usb3, &pdev->dev);
2670 __renesas_usb3_ep_free_request(usb3->ep0_req);
2674 static int renesas_usb3_init_ep(struct renesas_usb3 *usb3, struct device *dev,
2681 usb3->num_usb3_eps = priv->ramsize_per_ramif * priv->num_ramif * 2 /
2684 if (usb3->num_usb3_eps > USB3_MAX_NUM_PIPES(usb3))
2685 usb3->num_usb3_eps = USB3_MAX_NUM_PIPES(usb3);
2687 usb3->usb3_ep = devm_kcalloc(dev,
2688 usb3->num_usb3_eps, sizeof(*usb3_ep),
2690 if (!usb3->usb3_ep)
2693 dev_dbg(dev, "%s: num_usb3_eps = %d\n", __func__, usb3->num_usb3_eps);
2699 usb3_for_each_ep(usb3_ep, usb3, i) {
2701 usb3_ep->usb3 = usb3;
2709 usb3->gadget.ep0 = &usb3_ep->ep;
2720 list_add_tail(&usb3_ep->ep.ep_list, &usb3->gadget.ep_list);
2732 static void renesas_usb3_init_ram(struct renesas_usb3 *usb3, struct device *dev,
2749 usb3_for_each_ep(usb3_ep, usb3, i) {
2804 .compatible = "renesas,r8a774c0-usb3-peri",
2807 .compatible = "renesas,r8a7795-usb3-peri",
2810 .compatible = "renesas,r8a77990-usb3-peri",
2813 .compatible = "renesas,rzv2m-usb3-peri",
2816 .compatible = "renesas,rcar-gen3-usb3-peri",
2837 struct renesas_usb3 *usb3;
2847 usb3 = devm_kzalloc(&pdev->dev, sizeof(*usb3), GFP_KERNEL);
2848 if (!usb3)
2851 usb3->is_rzv2m = priv->is_rzv2m;
2853 usb3->reg = devm_platform_ioremap_resource(pdev, 0);
2854 if (IS_ERR(usb3->reg))
2855 return PTR_ERR(usb3->reg);
2857 platform_set_drvdata(pdev, usb3);
2858 spin_lock_init(&usb3->lock);
2860 usb3->gadget.ops = &renesas_usb3_gadget_ops;
2861 usb3->gadget.name = udc_name;
2862 usb3->gadget.max_speed = USB_SPEED_SUPER;
2863 INIT_LIST_HEAD(&usb3->gadget.ep_list);
2864 ret = renesas_usb3_init_ep(usb3, &pdev->dev, priv);
2867 renesas_usb3_init_ram(usb3, &pdev->dev, priv);
2870 dev_name(&pdev->dev), usb3);
2874 if (usb3->is_rzv2m) {
2877 usb3->drd_reg = ddata->reg;
2880 dev_name(&pdev->dev), usb3);
2885 INIT_WORK(&usb3->extcon_work, renesas_usb3_extcon_work);
2886 usb3->extcon = devm_extcon_dev_allocate(&pdev->dev, renesas_usb3_cable);
2887 if (IS_ERR(usb3->extcon))
2888 return PTR_ERR(usb3->extcon);
2890 ret = devm_extcon_dev_register(&pdev->dev, usb3->extcon);
2897 usb3->ep0_req = __renesas_usb3_ep_alloc_request(GFP_KERNEL);
2898 if (!usb3->ep0_req)
2901 ret = renesas_usb3_dma_alloc_prd(usb3, &pdev->dev);
2909 usb3->phy = devm_phy_optional_get(&pdev->dev, "usb");
2910 if (IS_ERR(usb3->phy)) {
2911 ret = PTR_ERR(usb3->phy);
2915 usb3->usbp_rstc = devm_reset_control_get_optional_shared(&pdev->dev,
2917 if (IS_ERR(usb3->usbp_rstc)) {
2918 ret = PTR_ERR(usb3->usbp_rstc);
2922 reset_control_deassert(usb3->usbp_rstc);
2925 ret = usb_add_gadget_udc(&pdev->dev, &usb3->gadget);
2934 usb3->role_sw_by_connector = true;
2938 renesas_usb3_role_switch_desc.driver_data = usb3;
2940 INIT_WORK(&usb3->role_work, renesas_usb3_role_work);
2941 usb3->role_sw = usb_role_switch_register(&pdev->dev,
2943 if (!IS_ERR(usb3->role_sw)) {
2944 usb3->host_dev = usb_of_get_companion_dev(&pdev->dev);
2945 if (!usb3->host_dev) {
2947 usb_role_switch_unregister(usb3->role_sw);
2948 usb3->role_sw = NULL;
2951 usb3->role_sw = NULL;
2954 usb3->workaround_for_vbus = priv->workaround_for_vbus;
2956 renesas_usb3_debugfs_init(usb3, &pdev->dev);
2958 dev_info(&pdev->dev, "probed%s\n", usb3->phy ? " with phy" : "");
2963 usb_del_gadget_udc(&usb3->gadget);
2966 reset_control_assert(usb3->usbp_rstc);
2969 renesas_usb3_dma_free_prd(usb3, &pdev->dev);
2972 __renesas_usb3_ep_free_request(usb3->ep0_req);
2980 struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
2983 if (!usb3->driver)
2986 renesas_usb3_stop_controller(usb3);
2987 if (usb3->phy)
2988 phy_exit(usb3->phy);
2996 struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
2999 if (!usb3->driver)
3002 if (usb3->phy)
3003 phy_init(usb3->phy);
3005 renesas_usb3_init_controller(usb3);