Lines Matching defs:usb3
312 struct renesas_usb3 *usb3;
374 #define usb3_ep_to_usb3(_usb3_ep) (_usb3_ep->usb3)
378 #define usb3_get_ep(usb3, n) ((usb3)->usb3_ep + (n))
379 #define usb3_for_each_ep(usb3_ep, usb3, i) \
380 for ((i) = 0, usb3_ep = usb3_get_ep(usb3, (i)); \
381 (i) < (usb3)->num_usb3_eps; \
382 (i)++, usb3_ep = usb3_get_ep(usb3, (i)))
384 #define usb3_get_dma(usb3, i) (&(usb3)->dma[i])
385 #define usb3_for_each_dma(usb3, dma, i) \
386 for ((i) = 0, dma = usb3_get_dma((usb3), (i)); \
388 (i)++, dma = usb3_get_dma((usb3), (i)))
396 static void usb3_write(struct renesas_usb3 *usb3, u32 data, u32 offs)
398 iowrite32(data, usb3->reg + offs);
401 static u32 usb3_read(struct renesas_usb3 *usb3, u32 offs)
403 return ioread32(usb3->reg + offs);
406 static void usb3_set_bit(struct renesas_usb3 *usb3, u32 bits, u32 offs)
408 u32 val = usb3_read(usb3, offs);
411 usb3_write(usb3, val, offs);
414 static void usb3_clear_bit(struct renesas_usb3 *usb3, u32 bits, u32 offs)
416 u32 val = usb3_read(usb3, offs);
419 usb3_write(usb3, val, offs);
422 static int usb3_wait(struct renesas_usb3 *usb3, u32 reg, u32 mask,
428 if ((usb3_read(usb3, reg) & mask) == expected)
433 dev_dbg(usb3_to_dev(usb3), "%s: timed out (%8x, %08x, %08x)\n",
441 struct renesas_usb3 *usb3 = container_of(work, struct renesas_usb3,
444 extcon_set_state_sync(usb3->extcon, EXTCON_USB_HOST, usb3->extcon_host);
445 extcon_set_state_sync(usb3->extcon, EXTCON_USB, usb3->extcon_usb);
448 static void usb3_enable_irq_1(struct renesas_usb3 *usb3, u32 bits)
450 usb3_set_bit(usb3, bits, USB3_USB_INT_ENA_1);
453 static void usb3_disable_irq_1(struct renesas_usb3 *usb3, u32 bits)
455 usb3_clear_bit(usb3, bits, USB3_USB_INT_ENA_1);
458 static void usb3_enable_pipe_irq(struct renesas_usb3 *usb3, int num)
460 usb3_set_bit(usb3, USB_INT_2_PIPE(num), USB3_USB_INT_ENA_2);
463 static void usb3_disable_pipe_irq(struct renesas_usb3 *usb3, int num)
465 usb3_clear_bit(usb3, USB_INT_2_PIPE(num), USB3_USB_INT_ENA_2);
468 static bool usb3_is_host(struct renesas_usb3 *usb3)
470 return !(usb3_read(usb3, USB3_DRD_CON) & DRD_CON_PERI_CON);
473 static void usb3_init_axi_bridge(struct renesas_usb3 *usb3)
476 usb3_write(usb3, ~0, USB3_DMA_INT_STA);
477 usb3_write(usb3, 0, USB3_DMA_INT_ENA);
478 usb3_set_bit(usb3, AXI_INT_DMAINT | AXI_INT_EPCINT, USB3_AXI_INT_ENA);
481 static void usb3_init_epc_registers(struct renesas_usb3 *usb3)
483 usb3_write(usb3, ~0, USB3_USB_INT_STA_1);
484 if (!usb3->workaround_for_vbus)
485 usb3_enable_irq_1(usb3, USB_INT_1_VBUS_CNG);
488 static bool usb3_wakeup_usb2_phy(struct renesas_usb3 *usb3)
490 if (!(usb3_read(usb3, USB3_USB20_CON) & USB20_CON_B2_SUSPEND))
493 usb3_clear_bit(usb3, USB20_CON_B2_SUSPEND, USB3_USB20_CON);
494 usb3_enable_irq_1(usb3, USB_INT_1_B2_RSUM);
499 static void usb3_usb2_pullup(struct renesas_usb3 *usb3, int pullup)
503 if (usb3->softconnect && pullup)
504 usb3_set_bit(usb3, bits, USB3_USB20_CON);
506 usb3_clear_bit(usb3, bits, USB3_USB20_CON);
509 static void usb3_set_test_mode(struct renesas_usb3 *usb3)
511 u32 val = usb3_read(usb3, USB3_USB20_CON);
514 val |= USB20_CON_B2_TSTMOD(usb3->test_mode);
515 usb3_write(usb3, val | USB20_CON_B2_TSTMOD_EN, USB3_USB20_CON);
516 if (!usb3->test_mode)
517 usb3_clear_bit(usb3, USB20_CON_B2_TSTMOD_EN, USB3_USB20_CON);
520 static void usb3_start_usb2_connection(struct renesas_usb3 *usb3)
522 usb3->disabled_count++;
523 usb3_set_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON);
524 usb3_set_bit(usb3, USB_COM_CON_SPD_MODE, USB3_USB_COM_CON);
525 usb3_usb2_pullup(usb3, 1);
528 static int usb3_is_usb3_phy_in_u3(struct renesas_usb3 *usb3)
530 return usb3_read(usb3, USB3_USB30_CON) & USB30_CON_POW_SEL_IN_U3;
533 static bool usb3_wakeup_usb3_phy(struct renesas_usb3 *usb3)
535 if (!usb3_is_usb3_phy_in_u3(usb3))
538 usb3_set_bit(usb3, USB30_CON_B3_PLLWAKE, USB3_USB30_CON);
539 usb3_enable_irq_1(usb3, USB_INT_1_B3_PLLWKUP);
544 static u16 usb3_feature_get_un_enabled(struct renesas_usb3 *usb3)
548 u32 val = usb3_read(usb3, USB3_SSIFCMD);
560 static void usb3_feature_u2_enable(struct renesas_usb3 *usb3, bool enable)
566 usb3_clear_bit(usb3, bits, USB3_SSIFCMD);
568 usb3_set_bit(usb3, bits, USB3_SSIFCMD);
571 static void usb3_feature_u1_enable(struct renesas_usb3 *usb3, bool enable)
577 usb3_clear_bit(usb3, bits, USB3_SSIFCMD);
579 usb3_set_bit(usb3, bits, USB3_SSIFCMD);
582 static void usb3_start_operation_for_usb3(struct renesas_usb3 *usb3)
584 usb3_set_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON);
585 usb3_clear_bit(usb3, USB_COM_CON_SPD_MODE, USB3_USB_COM_CON);
586 usb3_set_bit(usb3, USB30_CON_B3_CONNECT, USB3_USB30_CON);
589 static void usb3_start_usb3_connection(struct renesas_usb3 *usb3)
591 usb3_start_operation_for_usb3(usb3);
592 usb3_set_bit(usb3, USB_COM_CON_RX_DETECTION, USB3_USB_COM_CON);
594 usb3_enable_irq_1(usb3, USB_INT_1_B3_LUPSUCS | USB_INT_1_B3_DISABLE |
598 static void usb3_stop_usb3_connection(struct renesas_usb3 *usb3)
600 usb3_clear_bit(usb3, USB30_CON_B3_CONNECT, USB3_USB30_CON);
603 static void usb3_transition_to_default_state(struct renesas_usb3 *usb3,
606 usb3_set_bit(usb3, USB_INT_2_PIPE(0), USB3_USB_INT_ENA_2);
607 usb3_write(usb3, P0_INT_ALL_BITS, USB3_P0_INT_STA);
608 usb3_set_bit(usb3, P0_INT_ALL_BITS, USB3_P0_INT_ENA);
611 usb3_enable_irq_1(usb3, USB_INT_1_B3_WRMRST |
614 usb3_enable_irq_1(usb3, USB_INT_1_B2_SPND |
618 static void usb3_connect(struct renesas_usb3 *usb3)
620 if (usb3_wakeup_usb3_phy(usb3))
621 usb3_start_usb3_connection(usb3);
624 static void usb3_reset_epc(struct renesas_usb3 *usb3)
626 usb3_clear_bit(usb3, USB_COM_CON_CONF, USB3_USB_COM_CON);
627 usb3_clear_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON);
628 usb3_set_bit(usb3, USB_COM_CON_PIPE_CLR, USB3_USB_COM_CON);
629 usb3->test_mode = 0;
630 usb3_set_test_mode(usb3);
633 static void usb3_disconnect(struct renesas_usb3 *usb3)
635 usb3->disabled_count = 0;
636 usb3_usb2_pullup(usb3, 0);
637 usb3_clear_bit(usb3, USB30_CON_B3_CONNECT, USB3_USB30_CON);
638 usb3_reset_epc(usb3);
639 usb3_disable_irq_1(usb3, USB_INT_1_B2_RSUM | USB_INT_1_B3_PLLWKUP |
644 usb3_clear_bit(usb3, USB_COM_CON_SPD_MODE, USB3_USB_COM_CON);
645 usb3_init_epc_registers(usb3);
647 if (usb3->driver)
648 usb3->driver->disconnect(&usb3->gadget);
651 static void usb3_check_vbus(struct renesas_usb3 *usb3)
653 if (usb3->workaround_for_vbus) {
654 usb3_connect(usb3);
656 usb3->extcon_usb = !!(usb3_read(usb3, USB3_USB_STA) &
658 if (usb3->extcon_usb)
659 usb3_connect(usb3);
661 usb3_disconnect(usb3);
663 schedule_work(&usb3->extcon_work);
669 struct renesas_usb3 *usb3 =
672 usb_role_switch_set_role(usb3->role_sw, usb3->role);
675 static void usb3_set_mode(struct renesas_usb3 *usb3, bool host)
678 usb3_clear_bit(usb3, DRD_CON_PERI_CON, USB3_DRD_CON);
680 usb3_set_bit(usb3, DRD_CON_PERI_CON, USB3_DRD_CON);
683 static void usb3_set_mode_by_role_sw(struct renesas_usb3 *usb3, bool host)
685 if (usb3->role_sw) {
686 usb3->role = host ? USB_ROLE_HOST : USB_ROLE_DEVICE;
687 schedule_work(&usb3->role_work);
689 usb3_set_mode(usb3, host);
693 static void usb3_vbus_out(struct renesas_usb3 *usb3, bool enable)
696 usb3_set_bit(usb3, DRD_CON_VBOUT, USB3_DRD_CON);
698 usb3_clear_bit(usb3, DRD_CON_VBOUT, USB3_DRD_CON);
701 static void usb3_mode_config(struct renesas_usb3 *usb3, bool host, bool a_dev)
705 spin_lock_irqsave(&usb3->lock, flags);
706 if (!usb3->role_sw_by_connector ||
707 usb3->connection_state != USB_ROLE_NONE) {
708 usb3_set_mode_by_role_sw(usb3, host);
709 usb3_vbus_out(usb3, a_dev);
712 if ((!host && a_dev) || usb3->start_to_connect)
713 usb3_connect(usb3);
714 spin_unlock_irqrestore(&usb3->lock, flags);
717 static bool usb3_is_a_device(struct renesas_usb3 *usb3)
719 return !(usb3_read(usb3, USB3_USB_OTG_STA) & USB_OTG_IDMON);
722 static void usb3_check_id(struct renesas_usb3 *usb3)
724 usb3->extcon_host = usb3_is_a_device(usb3);
726 if ((!usb3->role_sw_by_connector && usb3->extcon_host &&
727 !usb3->forced_b_device) || usb3->connection_state == USB_ROLE_HOST)
728 usb3_mode_config(usb3, true, true);
730 usb3_mode_config(usb3, false, false);
732 schedule_work(&usb3->extcon_work);
735 static void renesas_usb3_init_controller(struct renesas_usb3 *usb3)
737 usb3_init_axi_bridge(usb3);
738 usb3_init_epc_registers(usb3);
739 usb3_set_bit(usb3, USB_COM_CON_PN_WDATAIF_NL |
742 usb3_write(usb3, USB_OTG_IDMON, USB3_USB_OTG_INT_STA);
743 usb3_write(usb3, USB_OTG_IDMON, USB3_USB_OTG_INT_ENA);
745 usb3_check_id(usb3);
746 usb3_check_vbus(usb3);
749 static void renesas_usb3_stop_controller(struct renesas_usb3 *usb3)
751 usb3_disconnect(usb3);
752 usb3_write(usb3, 0, USB3_P0_INT_ENA);
753 usb3_write(usb3, 0, USB3_USB_OTG_INT_ENA);
754 usb3_write(usb3, 0, USB3_USB_INT_ENA_1);
755 usb3_write(usb3, 0, USB3_USB_INT_ENA_2);
756 usb3_write(usb3, 0, USB3_AXI_INT_ENA);
759 static void usb3_irq_epc_int_1_pll_wakeup(struct renesas_usb3 *usb3)
761 usb3_disable_irq_1(usb3, USB_INT_1_B3_PLLWKUP);
762 usb3_clear_bit(usb3, USB30_CON_B3_PLLWAKE, USB3_USB30_CON);
763 usb3_start_usb3_connection(usb3);
766 static void usb3_irq_epc_int_1_linkup_success(struct renesas_usb3 *usb3)
768 usb3_transition_to_default_state(usb3, true);
771 static void usb3_irq_epc_int_1_resume(struct renesas_usb3 *usb3)
773 usb3_disable_irq_1(usb3, USB_INT_1_B2_RSUM);
774 usb3_start_usb2_connection(usb3);
775 usb3_transition_to_default_state(usb3, false);
778 static void usb3_irq_epc_int_1_suspend(struct renesas_usb3 *usb3)
780 usb3_disable_irq_1(usb3, USB_INT_1_B2_SPND);
782 if (usb3->gadget.speed != USB_SPEED_UNKNOWN &&
783 usb3->gadget.state != USB_STATE_NOTATTACHED) {
784 if (usb3->driver && usb3->driver->suspend)
785 usb3->driver->suspend(&usb3->gadget);
786 usb_gadget_set_state(&usb3->gadget, USB_STATE_SUSPENDED);
790 static void usb3_irq_epc_int_1_disable(struct renesas_usb3 *usb3)
792 usb3_stop_usb3_connection(usb3);
793 if (usb3_wakeup_usb2_phy(usb3))
794 usb3_irq_epc_int_1_resume(usb3);
797 static void usb3_irq_epc_int_1_bus_reset(struct renesas_usb3 *usb3)
799 usb3_reset_epc(usb3);
800 if (usb3->disabled_count < 3)
801 usb3_start_usb3_connection(usb3);
803 usb3_start_usb2_connection(usb3);
806 static void usb3_irq_epc_int_1_vbus_change(struct renesas_usb3 *usb3)
808 usb3_check_vbus(usb3);
811 static void usb3_irq_epc_int_1_hot_reset(struct renesas_usb3 *usb3)
813 usb3_reset_epc(usb3);
814 usb3_set_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON);
817 usb3_set_bit(usb3, USB30_CON_B3_HOTRST_CMP, USB3_USB30_CON);
820 static void usb3_irq_epc_int_1_warm_reset(struct renesas_usb3 *usb3)
822 usb3_reset_epc(usb3);
823 usb3_set_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON);
825 usb3_start_operation_for_usb3(usb3);
826 usb3_enable_irq_1(usb3, USB_INT_1_SPEED);
829 static void usb3_irq_epc_int_1_speed(struct renesas_usb3 *usb3)
831 u32 speed = usb3_read(usb3, USB3_USB_STA) & USB_STA_SPEED_MASK;
835 usb3->gadget.speed = USB_SPEED_SUPER;
836 usb3->gadget.ep0->maxpacket = USB3_EP0_SS_MAX_PACKET_SIZE;
839 usb3->gadget.speed = USB_SPEED_HIGH;
840 usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE;
843 usb3->gadget.speed = USB_SPEED_FULL;
844 usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE;
847 usb3->gadget.speed = USB_SPEED_UNKNOWN;
852 static void usb3_irq_epc_int_1(struct renesas_usb3 *usb3, u32 int_sta_1)
855 usb3_irq_epc_int_1_pll_wakeup(usb3);
858 usb3_irq_epc_int_1_linkup_success(usb3);
861 usb3_irq_epc_int_1_hot_reset(usb3);
864 usb3_irq_epc_int_1_warm_reset(usb3);
867 usb3_irq_epc_int_1_disable(usb3);
870 usb3_irq_epc_int_1_bus_reset(usb3);
873 usb3_irq_epc_int_1_resume(usb3);
876 usb3_irq_epc_int_1_suspend(usb3);
879 usb3_irq_epc_int_1_speed(usb3);
882 usb3_irq_epc_int_1_vbus_change(usb3);
895 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
899 spin_lock_irqsave(&usb3->lock, flags);
901 spin_unlock_irqrestore(&usb3->lock, flags);
910 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
912 dev_dbg(usb3_to_dev(usb3), "giveback: ep%2d, %u, %u, %d\n",
918 spin_unlock(&usb3->lock);
920 spin_lock(&usb3->lock);
926 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
929 spin_lock_irqsave(&usb3->lock, flags);
931 spin_unlock_irqrestore(&usb3->lock, flags);
934 static void usb3_irq_epc_pipe0_status_end(struct renesas_usb3 *usb3)
936 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0);
941 if (usb3->test_mode)
942 usb3_set_test_mode(usb3);
945 static void usb3_get_setup_data(struct renesas_usb3 *usb3,
948 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0);
951 *data++ = usb3_read(usb3, USB3_STUP_DAT_0);
952 *data = usb3_read(usb3, USB3_STUP_DAT_1);
958 static void usb3_set_p0_con_update_res(struct renesas_usb3 *usb3, u32 res)
960 u32 val = usb3_read(usb3, USB3_P0_CON);
964 usb3_write(usb3, val, USB3_P0_CON);
967 static void usb3_set_p0_con_for_ctrl_read_data(struct renesas_usb3 *usb3)
969 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_FORCE_NRDY |
974 static void usb3_set_p0_con_for_ctrl_read_status(struct renesas_usb3 *usb3)
976 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_NORMAL |
981 static void usb3_set_p0_con_for_ctrl_write_data(struct renesas_usb3 *usb3)
983 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_FORCE_NRDY |
988 static void usb3_set_p0_con_for_ctrl_write_status(struct renesas_usb3 *usb3)
990 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_NORMAL |
995 static void usb3_set_p0_con_for_no_data(struct renesas_usb3 *usb3)
997 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_NORMAL |
1002 static void usb3_set_p0_con_stall(struct renesas_usb3 *usb3)
1004 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_FORCE_STALL |
1009 static void usb3_set_p0_con_stop(struct renesas_usb3 *usb3)
1011 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_FORCE_NRDY |
1016 static int usb3_pn_change(struct renesas_usb3 *usb3, int num)
1018 if (num == 0 || num > usb3->num_usb3_eps)
1021 usb3_write(usb3, num, USB3_PIPE_COM);
1026 static void usb3_set_pn_con_update_res(struct renesas_usb3 *usb3, u32 res)
1028 u32 val = usb3_read(usb3, USB3_PN_CON);
1033 usb3_write(usb3, val, USB3_PN_CON);
1036 static void usb3_pn_start(struct renesas_usb3 *usb3)
1038 usb3_set_pn_con_update_res(usb3, PN_CON_RES_NORMAL);
1041 static void usb3_pn_stop(struct renesas_usb3 *usb3)
1043 usb3_set_pn_con_update_res(usb3, PN_CON_RES_FORCE_NRDY);
1046 static void usb3_pn_stall(struct renesas_usb3 *usb3)
1048 usb3_set_pn_con_update_res(usb3, PN_CON_RES_FORCE_STALL);
1051 static int usb3_pn_con_clear(struct renesas_usb3 *usb3)
1053 usb3_set_bit(usb3, PN_CON_CLR, USB3_PN_CON);
1055 return usb3_wait(usb3, USB3_PN_CON, PN_CON_CLR, 0);
1072 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1075 return usb3_wait(usb3, sta_reg, mask, mask);
1081 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1083 u32 val = usb3_read(usb3, con_reg);
1087 usb3_write(usb3, val, con_reg);
1094 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1110 iowrite32_rep(usb3->reg + fifo_reg, buf, len / 4);
1118 usb3_write(usb3, tmp, fifo_reg);
1131 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1134 return usb3_read(usb3, lng_reg);
1140 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1155 ioread32_rep(usb3->reg + fifo_reg, buf, len / 4);
1161 tmp = usb3_read(usb3, fifo_reg);
1172 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1175 usb3_set_p0_con_for_ctrl_read_status(usb3);
1178 usb3_set_p0_con_for_no_data(usb3);
1180 usb3_set_p0_con_for_ctrl_write_status(usb3);
1201 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1209 usb3_set_bit(usb3, P0_MOD_DIR, USB3_P0_MOD);
1210 usb3_set_p0_con_for_ctrl_read_data(usb3);
1212 usb3_clear_bit(usb3, P0_MOD_DIR, USB3_P0_MOD);
1214 usb3_set_p0_con_for_ctrl_write_data(usb3);
1220 static void usb3_enable_dma_pipen(struct renesas_usb3 *usb3)
1222 usb3_set_bit(usb3, PN_CON_DATAIF_EN, USB3_PN_CON);
1225 static void usb3_disable_dma_pipen(struct renesas_usb3 *usb3)
1227 usb3_clear_bit(usb3, PN_CON_DATAIF_EN, USB3_PN_CON);
1230 static void usb3_enable_dma_irq(struct renesas_usb3 *usb3, int num)
1232 usb3_set_bit(usb3, DMA_INT(num), USB3_DMA_INT_ENA);
1235 static void usb3_disable_dma_irq(struct renesas_usb3 *usb3, int num)
1237 usb3_clear_bit(usb3, DMA_INT(num), USB3_DMA_INT_ENA);
1263 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1269 dev_dbg(usb3_to_dev(usb3), "%s: the length is too big (%d)\n",
1281 usb3_for_each_dma(usb3, dma, i) {
1285 if (usb_gadget_map_request(&usb3->gadget, &usb3_req->req,
1301 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1305 usb3_for_each_dma(usb3, dma, i) {
1307 usb_gadget_unmap_request(&usb3->gadget, &usb3_req->req,
1348 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1356 usb3_write(usb3, 1 << usb3_ep->num, USB3_DMA_INT_STA);
1357 usb3_write(usb3, AXI_INT_PRDEN_CLR_STA(dma->num) |
1360 usb3_write(usb3, dma->prd_dma, USB3_DMA_CH0_PRD_ADR(dma->num));
1361 usb3_write(usb3, dma_con, USB3_DMA_CH0_CON(dma->num));
1362 usb3_enable_dma_irq(usb3, usb3_ep->num);
1367 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1370 usb3_disable_dma_irq(usb3, usb3_ep->num);
1371 usb3_write(usb3, 0, USB3_DMA_CH0_CON(dma->num));
1409 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1415 usb3_pn_stop(usb3);
1416 usb3_enable_dma_pipen(usb3);
1419 usb3_pn_start(usb3);
1429 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1433 spin_lock_irqsave(&usb3->lock, flags);
1437 if (!usb3_pn_change(usb3, usb3_ep->num))
1438 usb3_disable_dma_pipen(usb3);
1444 spin_unlock_irqrestore(&usb3->lock, flags);
1448 static int renesas_usb3_dma_free_prd(struct renesas_usb3 *usb3,
1454 usb3_for_each_dma(usb3, dma, i) {
1465 static int renesas_usb3_dma_alloc_prd(struct renesas_usb3 *usb3,
1474 usb3_for_each_dma(usb3, dma, i) {
1478 renesas_usb3_dma_free_prd(usb3, dev);
1490 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1496 spin_lock_irqsave(&usb3->lock, flags);
1503 if (usb3_pn_change(usb3, usb3_ep->num) < 0)
1511 usb3_pn_start(usb3);
1522 usb3_set_bit(usb3, enable_bits, USB3_PN_INT_ENA);
1523 usb3_enable_pipe_irq(usb3, usb3_ep->num);
1526 spin_unlock_irqrestore(&usb3->lock, flags);
1534 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1537 dev_dbg(usb3_to_dev(usb3), "ep_queue: ep%2d, %u\n", usb3_ep->num,
1542 spin_lock_irqsave(&usb3->lock, flags);
1544 spin_unlock_irqrestore(&usb3->lock, flags);
1554 static void usb3_set_device_address(struct renesas_usb3 *usb3, u16 addr)
1557 usb3_set_bit(usb3, USB_COM_CON_DEV_ADDR(addr), USB3_USB_COM_CON);
1560 static bool usb3_std_req_set_address(struct renesas_usb3 *usb3,
1566 usb3_set_device_address(usb3, le16_to_cpu(ctrl->wValue));
1567 usb3_set_p0_con_for_no_data(usb3);
1572 static void usb3_pipe0_internal_xfer(struct renesas_usb3 *usb3,
1577 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0);
1580 memcpy(usb3->ep0_buf, tx_data,
1583 usb3->ep0_req->buf = &usb3->ep0_buf;
1584 usb3->ep0_req->length = len;
1585 usb3->ep0_req->complete = complete;
1586 renesas_usb3_ep_queue(&usb3_ep->ep, usb3->ep0_req, GFP_ATOMIC);
1594 static bool usb3_std_req_get_status(struct renesas_usb3 *usb3,
1605 if (usb3->gadget.is_selfpowered)
1607 if (usb3->gadget.speed == USB_SPEED_SUPER)
1608 status |= usb3_feature_get_un_enabled(usb3);
1614 usb3_ep = usb3_get_ep(usb3, num);
1625 dev_dbg(usb3_to_dev(usb3), "get_status: req = %p\n",
1626 usb_req_to_usb3_req(usb3->ep0_req));
1627 usb3_pipe0_internal_xfer(usb3, &tx_data, sizeof(tx_data),
1634 static bool usb3_std_req_feature_device(struct renesas_usb3 *usb3,
1644 usb3->test_mode = le16_to_cpu(ctrl->wIndex) >> 8;
1649 if (usb3->gadget.speed != USB_SPEED_SUPER)
1652 usb3_feature_u1_enable(usb3, set);
1654 usb3_feature_u2_enable(usb3, set);
1666 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1673 usb3_set_p0_con_stall(usb3);
1675 usb3_set_p0_con_stop(usb3);
1683 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
1686 spin_lock_irqsave(&usb3->lock, flags);
1687 if (!usb3_pn_change(usb3, usb3_ep->num)) {
1690 usb3_pn_stall(usb3);
1692 usb3_pn_con_clear(usb3);
1693 usb3_set_bit(usb3, PN_CON_EN, USB3_PN_CON);
1694 usb3_pn_stop(usb3);
1697 spin_unlock_irqrestore(&usb3->lock, flags);
1718 static bool usb3_std_req_feature_endpoint(struct renesas_usb3 *usb3,
1729 usb3_ep = usb3_get_ep(usb3, num);
1743 static bool usb3_std_req_feature(struct renesas_usb3 *usb3,
1750 stall = usb3_std_req_feature_device(usb3, ctrl, set);
1755 stall = usb3_std_req_feature_endpoint(usb3, ctrl, set);
1763 usb3_set_p0_con_for_no_data(usb3);
1774 static bool usb3_std_req_set_sel(struct renesas_usb3 *usb3,
1782 dev_dbg(usb3_to_dev(usb3), "set_sel: req = %p\n",
1783 usb_req_to_usb3_req(usb3->ep0_req));
1784 usb3_pipe0_internal_xfer(usb3, NULL, 6, usb3_pipe0_set_sel_completion);
1789 static bool usb3_std_req_set_configuration(struct renesas_usb3 *usb3,
1793 usb3_set_bit(usb3, USB_COM_CON_CONF, USB3_USB_COM_CON);
1795 usb3_clear_bit(usb3, USB_COM_CON_CONF, USB3_USB_COM_CON);
1802 * @usb3: the renesas_usb3 pointer
1807 static bool usb3_handle_standard_request(struct renesas_usb3 *usb3,
1816 stall = usb3_std_req_set_address(usb3, ctrl);
1820 stall = usb3_std_req_get_status(usb3, ctrl);
1824 stall = usb3_std_req_feature(usb3, ctrl, false);
1828 stall = usb3_std_req_feature(usb3, ctrl, true);
1832 stall = usb3_std_req_set_sel(usb3, ctrl);
1841 usb3_std_req_set_configuration(usb3, ctrl);
1849 usb3_set_p0_con_stall(usb3);
1854 static int usb3_p0_con_clear_buffer(struct renesas_usb3 *usb3)
1856 usb3_set_bit(usb3, P0_CON_BCLR, USB3_P0_CON);
1858 return usb3_wait(usb3, USB3_P0_CON, P0_CON_BCLR, 0);
1861 static void usb3_irq_epc_pipe0_setup(struct renesas_usb3 *usb3)
1864 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0);
1871 usb3_p0_con_clear_buffer(usb3);
1872 usb3_get_setup_data(usb3, &ctrl);
1873 if (!usb3_handle_standard_request(usb3, &ctrl))
1874 if (usb3->driver->setup(&usb3->gadget, &ctrl) < 0)
1875 usb3_set_p0_con_stall(usb3);
1878 static void usb3_irq_epc_pipe0_bfrdy(struct renesas_usb3 *usb3)
1880 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0);
1889 static void usb3_irq_epc_pipe0(struct renesas_usb3 *usb3)
1891 u32 p0_int_sta = usb3_read(usb3, USB3_P0_INT_STA);
1893 p0_int_sta &= usb3_read(usb3, USB3_P0_INT_ENA);
1894 usb3_write(usb3, p0_int_sta, USB3_P0_INT_STA);
1896 usb3_irq_epc_pipe0_status_end(usb3);
1898 usb3_irq_epc_pipe0_setup(usb3);
1900 usb3_irq_epc_pipe0_bfrdy(usb3);
1903 static void usb3_request_done_pipen(struct renesas_usb3 *usb3,
1910 spin_lock_irqsave(&usb3->lock, flags);
1911 if (usb3_pn_change(usb3, usb3_ep->num))
1912 usb3_pn_stop(usb3);
1913 spin_unlock_irqrestore(&usb3->lock, flags);
1915 usb3_disable_pipe_irq(usb3, usb3_ep->num);
1924 static void usb3_irq_epc_pipen_lsttr(struct renesas_usb3 *usb3, int num)
1926 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, num);
1933 dev_dbg(usb3_to_dev(usb3), "%s: len = %u, actual = %u\n",
1935 usb3_request_done_pipen(usb3, usb3_ep, usb3_req, 0);
1939 static void usb3_irq_epc_pipen_bfrdy(struct renesas_usb3 *usb3, int num)
1941 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, num);
1948 spin_lock(&usb3->lock);
1949 if (usb3_pn_change(usb3, num))
1955 usb3_clear_bit(usb3, PN_INT_BFRDY, USB3_PN_INT_ENA);
1963 spin_unlock(&usb3->lock);
1966 usb3_request_done_pipen(usb3, usb3_ep, usb3_req, 0);
1969 static void usb3_irq_epc_pipen(struct renesas_usb3 *usb3, int num)
1973 spin_lock(&usb3->lock);
1974 if (usb3_pn_change(usb3, num) < 0) {
1975 spin_unlock(&usb3->lock);
1979 pn_int_sta = usb3_read(usb3, USB3_PN_INT_STA);
1980 pn_int_sta &= usb3_read(usb3, USB3_PN_INT_ENA);
1981 usb3_write(usb3, pn_int_sta, USB3_PN_INT_STA);
1982 spin_unlock(&usb3->lock);
1984 usb3_irq_epc_pipen_lsttr(usb3, num);
1986 usb3_irq_epc_pipen_bfrdy(usb3, num);
1989 static void usb3_irq_epc_int_2(struct renesas_usb3 *usb3, u32 int_sta_2)
1993 for (i = 0; i < usb3->num_usb3_eps; i++) {
1996 usb3_irq_epc_pipe0(usb3);
1998 usb3_irq_epc_pipen(usb3, i);
2003 static void usb3_irq_idmon_change(struct renesas_usb3 *usb3)
2005 usb3_check_id(usb3);
2008 static void usb3_irq_otg_int(struct renesas_usb3 *usb3, u32 otg_int_sta)
2011 usb3_irq_idmon_change(usb3);
2014 static void usb3_irq_epc(struct renesas_usb3 *usb3)
2016 u32 int_sta_1 = usb3_read(usb3, USB3_USB_INT_STA_1);
2017 u32 int_sta_2 = usb3_read(usb3, USB3_USB_INT_STA_2);
2018 u32 otg_int_sta = usb3_read(usb3, USB3_USB_OTG_INT_STA);
2020 int_sta_1 &= usb3_read(usb3, USB3_USB_INT_ENA_1);
2022 usb3_write(usb3, int_sta_1, USB3_USB_INT_STA_1);
2023 usb3_irq_epc_int_1(usb3, int_sta_1);
2026 int_sta_2 &= usb3_read(usb3, USB3_USB_INT_ENA_2);
2028 usb3_irq_epc_int_2(usb3, int_sta_2);
2030 otg_int_sta &= usb3_read(usb3, USB3_USB_OTG_INT_ENA);
2032 usb3_write(usb3, otg_int_sta, USB3_USB_OTG_INT_STA);
2033 usb3_irq_otg_int(usb3, otg_int_sta);
2037 static void usb3_irq_dma_int(struct renesas_usb3 *usb3, u32 dma_sta)
2043 for (i = 0; i < usb3->num_usb3_eps; i++) {
2047 usb3_ep = usb3_get_ep(usb3, i);
2048 if (!(usb3_read(usb3, USB3_AXI_INT_STA) &
2054 usb3_request_done_pipen(usb3, usb3_ep, usb3_req, status);
2058 static void usb3_irq_dma(struct renesas_usb3 *usb3)
2060 u32 dma_sta = usb3_read(usb3, USB3_DMA_INT_STA);
2062 dma_sta &= usb3_read(usb3, USB3_DMA_INT_ENA);
2064 usb3_write(usb3, dma_sta, USB3_DMA_INT_STA);
2065 usb3_irq_dma_int(usb3, dma_sta);
2071 struct renesas_usb3 *usb3 = _usb3;
2073 u32 axi_int_sta = usb3_read(usb3, USB3_AXI_INT_STA);
2076 usb3_irq_dma(usb3);
2081 usb3_irq_epc(usb3);
2091 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
2097 usb3_write(usb3, val, USB3_PN_MOD);
2134 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
2139 spin_lock_irqsave(&usb3->lock, flags);
2140 if (!usb3_pn_change(usb3, usb3_ep->num)) {
2142 usb3_write(usb3, usb3_calc_rammap_val(usb3_ep, desc),
2144 usb3_pn_con_clear(usb3);
2145 usb3_set_bit(usb3, PN_CON_EN, USB3_PN_CON);
2147 spin_unlock_irqrestore(&usb3->lock, flags);
2154 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
2159 spin_lock_irqsave(&usb3->lock, flags);
2160 if (!usb3_pn_change(usb3, usb3_ep->num)) {
2161 usb3_write(usb3, 0, USB3_PN_INT_ENA);
2162 usb3_write(usb3, 0, USB3_PN_RAMMAP);
2163 usb3_clear_bit(usb3, PN_CON_EN, USB3_PN_CON);
2165 spin_unlock_irqrestore(&usb3->lock, flags);
2231 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
2233 dev_dbg(usb3_to_dev(usb3), "ep_dequeue: ep%2d, %u\n", usb3_ep->num,
2237 usb3_request_done_pipen(usb3, usb3_ep, usb3_req, -ECONNRESET);
2258 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep);
2262 spin_lock_irqsave(&usb3->lock, flags);
2263 if (!usb3_pn_change(usb3, usb3_ep->num)) {
2264 usb3_pn_con_clear(usb3);
2265 usb3_set_bit(usb3, PN_CON_EN, USB3_PN_CON);
2267 spin_unlock_irqrestore(&usb3->lock, flags);
2269 usb3_p0_con_clear_buffer(usb3);
2292 struct renesas_usb3 *usb3;
2298 usb3 = gadget_to_renesas_usb3(gadget);
2301 usb3->driver = driver;
2303 if (usb3->phy)
2304 phy_init(usb3->phy);
2306 pm_runtime_get_sync(usb3_to_dev(usb3));
2308 renesas_usb3_init_controller(usb3);
2315 struct renesas_usb3 *usb3 = gadget_to_renesas_usb3(gadget);
2317 usb3->softconnect = false;
2318 usb3->gadget.speed = USB_SPEED_UNKNOWN;
2319 usb3->driver = NULL;
2320 renesas_usb3_stop_controller(usb3);
2322 if (usb3->phy)
2323 phy_exit(usb3->phy);
2325 pm_runtime_put(usb3_to_dev(usb3));
2337 struct renesas_usb3 *usb3 = gadget_to_renesas_usb3(gadget);
2339 usb3->softconnect = !!is_on;
2361 struct renesas_usb3 *usb3 = usb_role_switch_get_drvdata(sw);
2364 pm_runtime_get_sync(usb3_to_dev(usb3));
2365 cur_role = usb3_is_host(usb3) ? USB_ROLE_HOST : USB_ROLE_DEVICE;
2366 pm_runtime_put(usb3_to_dev(usb3));
2374 struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
2375 struct device *host = usb3->host_dev;
2376 enum usb_role cur_role = renesas_usb3_role_switch_get(usb3->role_sw);
2380 usb3->connection_state = USB_ROLE_NONE;
2383 if (usb3->driver)
2384 usb3_disconnect(usb3);
2385 usb3_vbus_out(usb3, false);
2388 if (usb3->connection_state == USB_ROLE_NONE) {
2389 usb3->connection_state = USB_ROLE_DEVICE;
2390 usb3_set_mode(usb3, false);
2391 if (usb3->driver)
2392 usb3_connect(usb3);
2395 usb3_set_mode(usb3, false);
2396 if (usb3->driver)
2397 usb3_connect(usb3);
2399 usb3_vbus_out(usb3, false);
2402 if (usb3->connection_state == USB_ROLE_NONE) {
2403 if (usb3->driver)
2404 usb3_disconnect(usb3);
2406 usb3->connection_state = USB_ROLE_HOST;
2407 usb3_set_mode(usb3, true);
2408 usb3_vbus_out(usb3, true);
2412 usb3_disconnect(usb3);
2414 usb3_set_mode(usb3, true);
2428 struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
2429 struct device *host = usb3->host_dev;
2430 enum usb_role cur_role = renesas_usb3_role_switch_get(usb3->role_sw);
2434 usb3_set_mode(usb3, false);
2437 usb3_set_mode(usb3, true);
2447 struct renesas_usb3 *usb3 = usb_role_switch_get_drvdata(sw);
2449 pm_runtime_get_sync(usb3_to_dev(usb3));
2451 if (usb3->role_sw_by_connector)
2452 handle_ext_role_switch_states(usb3_to_dev(usb3), role);
2454 handle_role_switch_states(usb3_to_dev(usb3), role);
2456 pm_runtime_put(usb3_to_dev(usb3));
2464 struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
2467 if (!usb3->driver)
2470 if (usb3->forced_b_device)
2480 if (new_mode_is_host == usb3_is_host(usb3))
2483 usb3_mode_config(usb3, new_mode_is_host, usb3_is_a_device(usb3));
2491 struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
2493 if (!usb3->driver)
2496 return sprintf(buf, "%s\n", usb3_is_host(usb3) ? "host" : "peripheral");
2502 struct renesas_usb3 *usb3 = s->private;
2504 seq_printf(s, "%d\n", usb3->forced_b_device);
2519 struct renesas_usb3 *usb3 = s->private;
2522 if (!usb3->driver)
2528 usb3->start_to_connect = false;
2529 if (usb3->workaround_for_vbus && usb3->forced_b_device &&
2531 usb3->start_to_connect = true;
2533 usb3->forced_b_device = true;
2535 usb3->forced_b_device = false;
2537 if (usb3->workaround_for_vbus)
2538 usb3_disconnect(usb3);
2541 usb3_check_id(usb3);
2554 static void renesas_usb3_debugfs_init(struct renesas_usb3 *usb3,
2557 usb3->dentry = debugfs_create_dir(dev_name(dev), usb_debug_root);
2559 debugfs_create_file("b_device", 0644, usb3->dentry, usb3,
2566 struct renesas_usb3 *usb3 = platform_get_drvdata(pdev);
2568 debugfs_remove_recursive(usb3->dentry);
2571 cancel_work_sync(&usb3->role_work);
2572 usb_role_switch_unregister(usb3->role_sw);
2574 usb_del_gadget_udc(&usb3->gadget);
2575 renesas_usb3_dma_free_prd(usb3, &pdev->dev);
2577 __renesas_usb3_ep_free_request(usb3->ep0_req);
2583 static int renesas_usb3_init_ep(struct renesas_usb3 *usb3, struct device *dev,
2590 usb3->num_usb3_eps = priv->ramsize_per_ramif * priv->num_ramif * 2 /
2593 if (usb3->num_usb3_eps > USB3_MAX_NUM_PIPES)
2594 usb3->num_usb3_eps = USB3_MAX_NUM_PIPES;
2596 usb3->usb3_ep = devm_kcalloc(dev,
2597 usb3->num_usb3_eps, sizeof(*usb3_ep),
2599 if (!usb3->usb3_ep)
2602 dev_dbg(dev, "%s: num_usb3_eps = %d\n", __func__, usb3->num_usb3_eps);
2608 usb3_for_each_ep(usb3_ep, usb3, i) {
2610 usb3_ep->usb3 = usb3;
2618 usb3->gadget.ep0 = &usb3_ep->ep;
2629 list_add_tail(&usb3_ep->ep.ep_list, &usb3->gadget.ep_list);
2641 static void renesas_usb3_init_ram(struct renesas_usb3 *usb3, struct device *dev,
2658 usb3_for_each_ep(usb3_ep, usb3, i) {
2713 .compatible = "renesas,r8a774c0-usb3-peri",
2716 .compatible = "renesas,r8a7795-usb3-peri",
2719 .compatible = "renesas,r8a77990-usb3-peri",
2722 .compatible = "renesas,rcar-gen3-usb3-peri",
2751 struct renesas_usb3 *usb3;
2766 usb3 = devm_kzalloc(&pdev->dev, sizeof(*usb3), GFP_KERNEL);
2767 if (!usb3)
2770 usb3->reg = devm_platform_ioremap_resource(pdev, 0);
2771 if (IS_ERR(usb3->reg))
2772 return PTR_ERR(usb3->reg);
2774 platform_set_drvdata(pdev, usb3);
2775 spin_lock_init(&usb3->lock);
2777 usb3->gadget.ops = &renesas_usb3_gadget_ops;
2778 usb3->gadget.name = udc_name;
2779 usb3->gadget.max_speed = USB_SPEED_SUPER;
2780 INIT_LIST_HEAD(&usb3->gadget.ep_list);
2781 ret = renesas_usb3_init_ep(usb3, &pdev->dev, priv);
2784 renesas_usb3_init_ram(usb3, &pdev->dev, priv);
2787 dev_name(&pdev->dev), usb3);
2791 INIT_WORK(&usb3->extcon_work, renesas_usb3_extcon_work);
2792 usb3->extcon = devm_extcon_dev_allocate(&pdev->dev, renesas_usb3_cable);
2793 if (IS_ERR(usb3->extcon))
2794 return PTR_ERR(usb3->extcon);
2796 ret = devm_extcon_dev_register(&pdev->dev, usb3->extcon);
2803 usb3->ep0_req = __renesas_usb3_ep_alloc_request(GFP_KERNEL);
2804 if (!usb3->ep0_req)
2807 ret = renesas_usb3_dma_alloc_prd(usb3, &pdev->dev);
2815 usb3->phy = devm_phy_optional_get(&pdev->dev, "usb");
2816 if (IS_ERR(usb3->phy)) {
2817 ret = PTR_ERR(usb3->phy);
2822 ret = usb_add_gadget_udc(&pdev->dev, &usb3->gadget);
2831 usb3->role_sw_by_connector = true;
2835 renesas_usb3_role_switch_desc.driver_data = usb3;
2837 INIT_WORK(&usb3->role_work, renesas_usb3_role_work);
2838 usb3->role_sw = usb_role_switch_register(&pdev->dev,
2840 if (!IS_ERR(usb3->role_sw)) {
2841 usb3->host_dev = usb_of_get_companion_dev(&pdev->dev);
2842 if (!usb3->host_dev) {
2844 usb_role_switch_unregister(usb3->role_sw);
2845 usb3->role_sw = NULL;
2848 usb3->role_sw = NULL;
2851 usb3->workaround_for_vbus = priv->workaround_for_vbus;
2853 renesas_usb3_debugfs_init(usb3, &pdev->dev);
2855 dev_info(&pdev->dev, "probed%s\n", usb3->phy ? " with phy" : "");
2860 usb_del_gadget_udc(&usb3->gadget);
2863 renesas_usb3_dma_free_prd(usb3, &pdev->dev);
2866 __renesas_usb3_ep_free_request(usb3->ep0_req);
2874 struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
2877 if (!usb3->driver)
2880 renesas_usb3_stop_controller(usb3);
2881 if (usb3->phy)
2882 phy_exit(usb3->phy);
2890 struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
2893 if (!usb3->driver)
2896 if (usb3->phy)
2897 phy_init(usb3->phy);
2899 renesas_usb3_init_controller(usb3);