Lines Matching full:usb3
3 * Renesas USB3.0 Peripheral driver (USB gadget)
312 struct renesas_usb3 *usb3; member
371 #define usb3_ep_to_usb3(_usb3_ep) (_usb3_ep->usb3)
375 #define usb3_get_ep(usb3, n) ((usb3)->usb3_ep + (n)) argument
376 #define usb3_for_each_ep(usb3_ep, usb3, i) \ argument
377 for ((i) = 0, usb3_ep = usb3_get_ep(usb3, (i)); \
378 (i) < (usb3)->num_usb3_eps; \
379 (i)++, usb3_ep = usb3_get_ep(usb3, (i)))
381 #define usb3_get_dma(usb3, i) (&(usb3)->dma[i]) argument
382 #define usb3_for_each_dma(usb3, dma, i) \ argument
383 for ((i) = 0, dma = usb3_get_dma((usb3), (i)); \
385 (i)++, dma = usb3_get_dma((usb3), (i)))
393 static void usb3_write(struct renesas_usb3 *usb3, u32 data, u32 offs) in usb3_write() argument
395 iowrite32(data, usb3->reg + offs); in usb3_write()
398 static u32 usb3_read(struct renesas_usb3 *usb3, u32 offs) in usb3_read() argument
400 return ioread32(usb3->reg + offs); in usb3_read()
403 static void usb3_set_bit(struct renesas_usb3 *usb3, u32 bits, u32 offs) in usb3_set_bit() argument
405 u32 val = usb3_read(usb3, offs); in usb3_set_bit()
408 usb3_write(usb3, val, offs); in usb3_set_bit()
411 static void usb3_clear_bit(struct renesas_usb3 *usb3, u32 bits, u32 offs) in usb3_clear_bit() argument
413 u32 val = usb3_read(usb3, offs); in usb3_clear_bit()
416 usb3_write(usb3, val, offs); in usb3_clear_bit()
419 static int usb3_wait(struct renesas_usb3 *usb3, u32 reg, u32 mask, in usb3_wait() argument
425 if ((usb3_read(usb3, reg) & mask) == expected) in usb3_wait()
430 dev_dbg(usb3_to_dev(usb3), "%s: timed out (%8x, %08x, %08x)\n", in usb3_wait()
438 struct renesas_usb3 *usb3 = container_of(work, struct renesas_usb3, in renesas_usb3_extcon_work() local
441 extcon_set_state_sync(usb3->extcon, EXTCON_USB_HOST, usb3->extcon_host); in renesas_usb3_extcon_work()
442 extcon_set_state_sync(usb3->extcon, EXTCON_USB, usb3->extcon_usb); in renesas_usb3_extcon_work()
445 static void usb3_enable_irq_1(struct renesas_usb3 *usb3, u32 bits) in usb3_enable_irq_1() argument
447 usb3_set_bit(usb3, bits, USB3_USB_INT_ENA_1); in usb3_enable_irq_1()
450 static void usb3_disable_irq_1(struct renesas_usb3 *usb3, u32 bits) in usb3_disable_irq_1() argument
452 usb3_clear_bit(usb3, bits, USB3_USB_INT_ENA_1); in usb3_disable_irq_1()
455 static void usb3_enable_pipe_irq(struct renesas_usb3 *usb3, int num) in usb3_enable_pipe_irq() argument
457 usb3_set_bit(usb3, USB_INT_2_PIPE(num), USB3_USB_INT_ENA_2); in usb3_enable_pipe_irq()
460 static void usb3_disable_pipe_irq(struct renesas_usb3 *usb3, int num) in usb3_disable_pipe_irq() argument
462 usb3_clear_bit(usb3, USB_INT_2_PIPE(num), USB3_USB_INT_ENA_2); in usb3_disable_pipe_irq()
465 static bool usb3_is_host(struct renesas_usb3 *usb3) in usb3_is_host() argument
467 return !(usb3_read(usb3, USB3_DRD_CON) & DRD_CON_PERI_CON); in usb3_is_host()
470 static void usb3_init_axi_bridge(struct renesas_usb3 *usb3) in usb3_init_axi_bridge() argument
473 usb3_write(usb3, ~0, USB3_DMA_INT_STA); in usb3_init_axi_bridge()
474 usb3_write(usb3, 0, USB3_DMA_INT_ENA); in usb3_init_axi_bridge()
475 usb3_set_bit(usb3, AXI_INT_DMAINT | AXI_INT_EPCINT, USB3_AXI_INT_ENA); in usb3_init_axi_bridge()
478 static void usb3_init_epc_registers(struct renesas_usb3 *usb3) in usb3_init_epc_registers() argument
480 usb3_write(usb3, ~0, USB3_USB_INT_STA_1); in usb3_init_epc_registers()
481 if (!usb3->workaround_for_vbus) in usb3_init_epc_registers()
482 usb3_enable_irq_1(usb3, USB_INT_1_VBUS_CNG); in usb3_init_epc_registers()
485 static bool usb3_wakeup_usb2_phy(struct renesas_usb3 *usb3) in usb3_wakeup_usb2_phy() argument
487 if (!(usb3_read(usb3, USB3_USB20_CON) & USB20_CON_B2_SUSPEND)) in usb3_wakeup_usb2_phy()
490 usb3_clear_bit(usb3, USB20_CON_B2_SUSPEND, USB3_USB20_CON); in usb3_wakeup_usb2_phy()
491 usb3_enable_irq_1(usb3, USB_INT_1_B2_RSUM); in usb3_wakeup_usb2_phy()
496 static void usb3_usb2_pullup(struct renesas_usb3 *usb3, int pullup) in usb3_usb2_pullup() argument
500 if (usb3->softconnect && pullup) in usb3_usb2_pullup()
501 usb3_set_bit(usb3, bits, USB3_USB20_CON); in usb3_usb2_pullup()
503 usb3_clear_bit(usb3, bits, USB3_USB20_CON); in usb3_usb2_pullup()
506 static void usb3_set_test_mode(struct renesas_usb3 *usb3) in usb3_set_test_mode() argument
508 u32 val = usb3_read(usb3, USB3_USB20_CON); in usb3_set_test_mode()
511 val |= USB20_CON_B2_TSTMOD(usb3->test_mode); in usb3_set_test_mode()
512 usb3_write(usb3, val | USB20_CON_B2_TSTMOD_EN, USB3_USB20_CON); in usb3_set_test_mode()
513 if (!usb3->test_mode) in usb3_set_test_mode()
514 usb3_clear_bit(usb3, USB20_CON_B2_TSTMOD_EN, USB3_USB20_CON); in usb3_set_test_mode()
517 static void usb3_start_usb2_connection(struct renesas_usb3 *usb3) in usb3_start_usb2_connection() argument
519 usb3->disabled_count++; in usb3_start_usb2_connection()
520 usb3_set_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON); in usb3_start_usb2_connection()
521 usb3_set_bit(usb3, USB_COM_CON_SPD_MODE, USB3_USB_COM_CON); in usb3_start_usb2_connection()
522 usb3_usb2_pullup(usb3, 1); in usb3_start_usb2_connection()
525 static int usb3_is_usb3_phy_in_u3(struct renesas_usb3 *usb3) in usb3_is_usb3_phy_in_u3() argument
527 return usb3_read(usb3, USB3_USB30_CON) & USB30_CON_POW_SEL_IN_U3; in usb3_is_usb3_phy_in_u3()
530 static bool usb3_wakeup_usb3_phy(struct renesas_usb3 *usb3) in usb3_wakeup_usb3_phy() argument
532 if (!usb3_is_usb3_phy_in_u3(usb3)) in usb3_wakeup_usb3_phy()
535 usb3_set_bit(usb3, USB30_CON_B3_PLLWAKE, USB3_USB30_CON); in usb3_wakeup_usb3_phy()
536 usb3_enable_irq_1(usb3, USB_INT_1_B3_PLLWKUP); in usb3_wakeup_usb3_phy()
541 static u16 usb3_feature_get_un_enabled(struct renesas_usb3 *usb3) in usb3_feature_get_un_enabled() argument
545 u32 val = usb3_read(usb3, USB3_SSIFCMD); in usb3_feature_get_un_enabled()
557 static void usb3_feature_u2_enable(struct renesas_usb3 *usb3, bool enable) in usb3_feature_u2_enable() argument
563 usb3_clear_bit(usb3, bits, USB3_SSIFCMD); in usb3_feature_u2_enable()
565 usb3_set_bit(usb3, bits, USB3_SSIFCMD); in usb3_feature_u2_enable()
568 static void usb3_feature_u1_enable(struct renesas_usb3 *usb3, bool enable) in usb3_feature_u1_enable() argument
574 usb3_clear_bit(usb3, bits, USB3_SSIFCMD); in usb3_feature_u1_enable()
576 usb3_set_bit(usb3, bits, USB3_SSIFCMD); in usb3_feature_u1_enable()
579 static void usb3_start_operation_for_usb3(struct renesas_usb3 *usb3) in usb3_start_operation_for_usb3() argument
581 usb3_set_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON); in usb3_start_operation_for_usb3()
582 usb3_clear_bit(usb3, USB_COM_CON_SPD_MODE, USB3_USB_COM_CON); in usb3_start_operation_for_usb3()
583 usb3_set_bit(usb3, USB30_CON_B3_CONNECT, USB3_USB30_CON); in usb3_start_operation_for_usb3()
586 static void usb3_start_usb3_connection(struct renesas_usb3 *usb3) in usb3_start_usb3_connection() argument
588 usb3_start_operation_for_usb3(usb3); in usb3_start_usb3_connection()
589 usb3_set_bit(usb3, USB_COM_CON_RX_DETECTION, USB3_USB_COM_CON); in usb3_start_usb3_connection()
591 usb3_enable_irq_1(usb3, USB_INT_1_B3_LUPSUCS | USB_INT_1_B3_DISABLE | in usb3_start_usb3_connection()
595 static void usb3_stop_usb3_connection(struct renesas_usb3 *usb3) in usb3_stop_usb3_connection() argument
597 usb3_clear_bit(usb3, USB30_CON_B3_CONNECT, USB3_USB30_CON); in usb3_stop_usb3_connection()
600 static void usb3_transition_to_default_state(struct renesas_usb3 *usb3, in usb3_transition_to_default_state() argument
603 usb3_set_bit(usb3, USB_INT_2_PIPE(0), USB3_USB_INT_ENA_2); in usb3_transition_to_default_state()
604 usb3_write(usb3, P0_INT_ALL_BITS, USB3_P0_INT_STA); in usb3_transition_to_default_state()
605 usb3_set_bit(usb3, P0_INT_ALL_BITS, USB3_P0_INT_ENA); in usb3_transition_to_default_state()
608 usb3_enable_irq_1(usb3, USB_INT_1_B3_WRMRST | in usb3_transition_to_default_state()
611 usb3_enable_irq_1(usb3, USB_INT_1_B2_SPND | in usb3_transition_to_default_state()
615 static void usb3_connect(struct renesas_usb3 *usb3) in usb3_connect() argument
617 if (usb3_wakeup_usb3_phy(usb3)) in usb3_connect()
618 usb3_start_usb3_connection(usb3); in usb3_connect()
621 static void usb3_reset_epc(struct renesas_usb3 *usb3) in usb3_reset_epc() argument
623 usb3_clear_bit(usb3, USB_COM_CON_CONF, USB3_USB_COM_CON); in usb3_reset_epc()
624 usb3_clear_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON); in usb3_reset_epc()
625 usb3_set_bit(usb3, USB_COM_CON_PIPE_CLR, USB3_USB_COM_CON); in usb3_reset_epc()
626 usb3->test_mode = 0; in usb3_reset_epc()
627 usb3_set_test_mode(usb3); in usb3_reset_epc()
630 static void usb3_disconnect(struct renesas_usb3 *usb3) in usb3_disconnect() argument
632 usb3->disabled_count = 0; in usb3_disconnect()
633 usb3_usb2_pullup(usb3, 0); in usb3_disconnect()
634 usb3_clear_bit(usb3, USB30_CON_B3_CONNECT, USB3_USB30_CON); in usb3_disconnect()
635 usb3_reset_epc(usb3); in usb3_disconnect()
636 usb3_disable_irq_1(usb3, USB_INT_1_B2_RSUM | USB_INT_1_B3_PLLWKUP | in usb3_disconnect()
641 usb3_clear_bit(usb3, USB_COM_CON_SPD_MODE, USB3_USB_COM_CON); in usb3_disconnect()
642 usb3_init_epc_registers(usb3); in usb3_disconnect()
644 if (usb3->driver) in usb3_disconnect()
645 usb3->driver->disconnect(&usb3->gadget); in usb3_disconnect()
648 static void usb3_check_vbus(struct renesas_usb3 *usb3) in usb3_check_vbus() argument
650 if (usb3->workaround_for_vbus) { in usb3_check_vbus()
651 usb3_connect(usb3); in usb3_check_vbus()
653 usb3->extcon_usb = !!(usb3_read(usb3, USB3_USB_STA) & in usb3_check_vbus()
655 if (usb3->extcon_usb) in usb3_check_vbus()
656 usb3_connect(usb3); in usb3_check_vbus()
658 usb3_disconnect(usb3); in usb3_check_vbus()
660 schedule_work(&usb3->extcon_work); in usb3_check_vbus()
666 struct renesas_usb3 *usb3 = in renesas_usb3_role_work() local
669 usb_role_switch_set_role(usb3->role_sw, usb3->role); in renesas_usb3_role_work()
672 static void usb3_set_mode(struct renesas_usb3 *usb3, bool host) in usb3_set_mode() argument
675 usb3_clear_bit(usb3, DRD_CON_PERI_CON, USB3_DRD_CON); in usb3_set_mode()
677 usb3_set_bit(usb3, DRD_CON_PERI_CON, USB3_DRD_CON); in usb3_set_mode()
680 static void usb3_set_mode_by_role_sw(struct renesas_usb3 *usb3, bool host) in usb3_set_mode_by_role_sw() argument
682 if (usb3->role_sw) { in usb3_set_mode_by_role_sw()
683 usb3->role = host ? USB_ROLE_HOST : USB_ROLE_DEVICE; in usb3_set_mode_by_role_sw()
684 schedule_work(&usb3->role_work); in usb3_set_mode_by_role_sw()
686 usb3_set_mode(usb3, host); in usb3_set_mode_by_role_sw()
690 static void usb3_vbus_out(struct renesas_usb3 *usb3, bool enable) in usb3_vbus_out() argument
693 usb3_set_bit(usb3, DRD_CON_VBOUT, USB3_DRD_CON); in usb3_vbus_out()
695 usb3_clear_bit(usb3, DRD_CON_VBOUT, USB3_DRD_CON); in usb3_vbus_out()
698 static void usb3_mode_config(struct renesas_usb3 *usb3, bool host, bool a_dev) in usb3_mode_config() argument
702 spin_lock_irqsave(&usb3->lock, flags); in usb3_mode_config()
703 usb3_set_mode_by_role_sw(usb3, host); in usb3_mode_config()
704 usb3_vbus_out(usb3, a_dev); in usb3_mode_config()
706 if ((!host && a_dev) || usb3->start_to_connect) in usb3_mode_config()
707 usb3_connect(usb3); in usb3_mode_config()
708 spin_unlock_irqrestore(&usb3->lock, flags); in usb3_mode_config()
711 static bool usb3_is_a_device(struct renesas_usb3 *usb3) in usb3_is_a_device() argument
713 return !(usb3_read(usb3, USB3_USB_OTG_STA) & USB_OTG_IDMON); in usb3_is_a_device()
716 static void usb3_check_id(struct renesas_usb3 *usb3) in usb3_check_id() argument
718 usb3->extcon_host = usb3_is_a_device(usb3); in usb3_check_id()
720 if (usb3->extcon_host && !usb3->forced_b_device) in usb3_check_id()
721 usb3_mode_config(usb3, true, true); in usb3_check_id()
723 usb3_mode_config(usb3, false, false); in usb3_check_id()
725 schedule_work(&usb3->extcon_work); in usb3_check_id()
728 static void renesas_usb3_init_controller(struct renesas_usb3 *usb3) in renesas_usb3_init_controller() argument
730 usb3_init_axi_bridge(usb3); in renesas_usb3_init_controller()
731 usb3_init_epc_registers(usb3); in renesas_usb3_init_controller()
732 usb3_set_bit(usb3, USB_COM_CON_PN_WDATAIF_NL | in renesas_usb3_init_controller()
735 usb3_write(usb3, USB_OTG_IDMON, USB3_USB_OTG_INT_STA); in renesas_usb3_init_controller()
736 usb3_write(usb3, USB_OTG_IDMON, USB3_USB_OTG_INT_ENA); in renesas_usb3_init_controller()
738 usb3_check_id(usb3); in renesas_usb3_init_controller()
739 usb3_check_vbus(usb3); in renesas_usb3_init_controller()
742 static void renesas_usb3_stop_controller(struct renesas_usb3 *usb3) in renesas_usb3_stop_controller() argument
744 usb3_disconnect(usb3); in renesas_usb3_stop_controller()
745 usb3_write(usb3, 0, USB3_P0_INT_ENA); in renesas_usb3_stop_controller()
746 usb3_write(usb3, 0, USB3_USB_OTG_INT_ENA); in renesas_usb3_stop_controller()
747 usb3_write(usb3, 0, USB3_USB_INT_ENA_1); in renesas_usb3_stop_controller()
748 usb3_write(usb3, 0, USB3_USB_INT_ENA_2); in renesas_usb3_stop_controller()
749 usb3_write(usb3, 0, USB3_AXI_INT_ENA); in renesas_usb3_stop_controller()
752 static void usb3_irq_epc_int_1_pll_wakeup(struct renesas_usb3 *usb3) in usb3_irq_epc_int_1_pll_wakeup() argument
754 usb3_disable_irq_1(usb3, USB_INT_1_B3_PLLWKUP); in usb3_irq_epc_int_1_pll_wakeup()
755 usb3_clear_bit(usb3, USB30_CON_B3_PLLWAKE, USB3_USB30_CON); in usb3_irq_epc_int_1_pll_wakeup()
756 usb3_start_usb3_connection(usb3); in usb3_irq_epc_int_1_pll_wakeup()
759 static void usb3_irq_epc_int_1_linkup_success(struct renesas_usb3 *usb3) in usb3_irq_epc_int_1_linkup_success() argument
761 usb3_transition_to_default_state(usb3, true); in usb3_irq_epc_int_1_linkup_success()
764 static void usb3_irq_epc_int_1_resume(struct renesas_usb3 *usb3) in usb3_irq_epc_int_1_resume() argument
766 usb3_disable_irq_1(usb3, USB_INT_1_B2_RSUM); in usb3_irq_epc_int_1_resume()
767 usb3_start_usb2_connection(usb3); in usb3_irq_epc_int_1_resume()
768 usb3_transition_to_default_state(usb3, false); in usb3_irq_epc_int_1_resume()
771 static void usb3_irq_epc_int_1_disable(struct renesas_usb3 *usb3) in usb3_irq_epc_int_1_disable() argument
773 usb3_stop_usb3_connection(usb3); in usb3_irq_epc_int_1_disable()
774 if (usb3_wakeup_usb2_phy(usb3)) in usb3_irq_epc_int_1_disable()
775 usb3_irq_epc_int_1_resume(usb3); in usb3_irq_epc_int_1_disable()
778 static void usb3_irq_epc_int_1_bus_reset(struct renesas_usb3 *usb3) in usb3_irq_epc_int_1_bus_reset() argument
780 usb3_reset_epc(usb3); in usb3_irq_epc_int_1_bus_reset()
781 if (usb3->disabled_count < 3) in usb3_irq_epc_int_1_bus_reset()
782 usb3_start_usb3_connection(usb3); in usb3_irq_epc_int_1_bus_reset()
784 usb3_start_usb2_connection(usb3); in usb3_irq_epc_int_1_bus_reset()
787 static void usb3_irq_epc_int_1_vbus_change(struct renesas_usb3 *usb3) in usb3_irq_epc_int_1_vbus_change() argument
789 usb3_check_vbus(usb3); in usb3_irq_epc_int_1_vbus_change()
792 static void usb3_irq_epc_int_1_hot_reset(struct renesas_usb3 *usb3) in usb3_irq_epc_int_1_hot_reset() argument
794 usb3_reset_epc(usb3); in usb3_irq_epc_int_1_hot_reset()
795 usb3_set_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON); in usb3_irq_epc_int_1_hot_reset()
798 usb3_set_bit(usb3, USB30_CON_B3_HOTRST_CMP, USB3_USB30_CON); in usb3_irq_epc_int_1_hot_reset()
801 static void usb3_irq_epc_int_1_warm_reset(struct renesas_usb3 *usb3) in usb3_irq_epc_int_1_warm_reset() argument
803 usb3_reset_epc(usb3); in usb3_irq_epc_int_1_warm_reset()
804 usb3_set_bit(usb3, USB_COM_CON_EP0_EN, USB3_USB_COM_CON); in usb3_irq_epc_int_1_warm_reset()
806 usb3_start_operation_for_usb3(usb3); in usb3_irq_epc_int_1_warm_reset()
807 usb3_enable_irq_1(usb3, USB_INT_1_SPEED); in usb3_irq_epc_int_1_warm_reset()
810 static void usb3_irq_epc_int_1_speed(struct renesas_usb3 *usb3) in usb3_irq_epc_int_1_speed() argument
812 u32 speed = usb3_read(usb3, USB3_USB_STA) & USB_STA_SPEED_MASK; in usb3_irq_epc_int_1_speed()
816 usb3->gadget.speed = USB_SPEED_SUPER; in usb3_irq_epc_int_1_speed()
817 usb3->gadget.ep0->maxpacket = USB3_EP0_SS_MAX_PACKET_SIZE; in usb3_irq_epc_int_1_speed()
820 usb3->gadget.speed = USB_SPEED_HIGH; in usb3_irq_epc_int_1_speed()
821 usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE; in usb3_irq_epc_int_1_speed()
824 usb3->gadget.speed = USB_SPEED_FULL; in usb3_irq_epc_int_1_speed()
825 usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE; in usb3_irq_epc_int_1_speed()
828 usb3->gadget.speed = USB_SPEED_UNKNOWN; in usb3_irq_epc_int_1_speed()
833 static void usb3_irq_epc_int_1(struct renesas_usb3 *usb3, u32 int_sta_1) in usb3_irq_epc_int_1() argument
836 usb3_irq_epc_int_1_pll_wakeup(usb3); in usb3_irq_epc_int_1()
839 usb3_irq_epc_int_1_linkup_success(usb3); in usb3_irq_epc_int_1()
842 usb3_irq_epc_int_1_hot_reset(usb3); in usb3_irq_epc_int_1()
845 usb3_irq_epc_int_1_warm_reset(usb3); in usb3_irq_epc_int_1()
848 usb3_irq_epc_int_1_disable(usb3); in usb3_irq_epc_int_1()
851 usb3_irq_epc_int_1_bus_reset(usb3); in usb3_irq_epc_int_1()
854 usb3_irq_epc_int_1_resume(usb3); in usb3_irq_epc_int_1()
857 usb3_irq_epc_int_1_speed(usb3); in usb3_irq_epc_int_1()
860 usb3_irq_epc_int_1_vbus_change(usb3); in usb3_irq_epc_int_1()
873 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_get_request() local
877 spin_lock_irqsave(&usb3->lock, flags); in usb3_get_request()
879 spin_unlock_irqrestore(&usb3->lock, flags); in usb3_get_request()
888 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in __usb3_request_done() local
890 dev_dbg(usb3_to_dev(usb3), "giveback: ep%2d, %u, %u, %d\n", in __usb3_request_done()
896 spin_unlock(&usb3->lock); in __usb3_request_done()
898 spin_lock(&usb3->lock); in __usb3_request_done()
904 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_request_done() local
907 spin_lock_irqsave(&usb3->lock, flags); in usb3_request_done()
909 spin_unlock_irqrestore(&usb3->lock, flags); in usb3_request_done()
912 static void usb3_irq_epc_pipe0_status_end(struct renesas_usb3 *usb3) in usb3_irq_epc_pipe0_status_end() argument
914 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0); in usb3_irq_epc_pipe0_status_end()
919 if (usb3->test_mode) in usb3_irq_epc_pipe0_status_end()
920 usb3_set_test_mode(usb3); in usb3_irq_epc_pipe0_status_end()
923 static void usb3_get_setup_data(struct renesas_usb3 *usb3, in usb3_get_setup_data() argument
926 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0); in usb3_get_setup_data()
929 *data++ = usb3_read(usb3, USB3_STUP_DAT_0); in usb3_get_setup_data()
930 *data = usb3_read(usb3, USB3_STUP_DAT_1); in usb3_get_setup_data()
936 static void usb3_set_p0_con_update_res(struct renesas_usb3 *usb3, u32 res) in usb3_set_p0_con_update_res() argument
938 u32 val = usb3_read(usb3, USB3_P0_CON); in usb3_set_p0_con_update_res()
942 usb3_write(usb3, val, USB3_P0_CON); in usb3_set_p0_con_update_res()
945 static void usb3_set_p0_con_for_ctrl_read_data(struct renesas_usb3 *usb3) in usb3_set_p0_con_for_ctrl_read_data() argument
947 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_FORCE_NRDY | in usb3_set_p0_con_for_ctrl_read_data()
952 static void usb3_set_p0_con_for_ctrl_read_status(struct renesas_usb3 *usb3) in usb3_set_p0_con_for_ctrl_read_status() argument
954 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_NORMAL | in usb3_set_p0_con_for_ctrl_read_status()
959 static void usb3_set_p0_con_for_ctrl_write_data(struct renesas_usb3 *usb3) in usb3_set_p0_con_for_ctrl_write_data() argument
961 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_FORCE_NRDY | in usb3_set_p0_con_for_ctrl_write_data()
966 static void usb3_set_p0_con_for_ctrl_write_status(struct renesas_usb3 *usb3) in usb3_set_p0_con_for_ctrl_write_status() argument
968 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_NORMAL | in usb3_set_p0_con_for_ctrl_write_status()
973 static void usb3_set_p0_con_for_no_data(struct renesas_usb3 *usb3) in usb3_set_p0_con_for_no_data() argument
975 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_NORMAL | in usb3_set_p0_con_for_no_data()
980 static void usb3_set_p0_con_stall(struct renesas_usb3 *usb3) in usb3_set_p0_con_stall() argument
982 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_FORCE_STALL | in usb3_set_p0_con_stall()
987 static void usb3_set_p0_con_stop(struct renesas_usb3 *usb3) in usb3_set_p0_con_stop() argument
989 usb3_set_p0_con_update_res(usb3, P0_CON_ST_RES_FORCE_NRDY | in usb3_set_p0_con_stop()
994 static int usb3_pn_change(struct renesas_usb3 *usb3, int num) in usb3_pn_change() argument
996 if (num == 0 || num > usb3->num_usb3_eps) in usb3_pn_change()
999 usb3_write(usb3, num, USB3_PIPE_COM); in usb3_pn_change()
1004 static void usb3_set_pn_con_update_res(struct renesas_usb3 *usb3, u32 res) in usb3_set_pn_con_update_res() argument
1006 u32 val = usb3_read(usb3, USB3_PN_CON); in usb3_set_pn_con_update_res()
1011 usb3_write(usb3, val, USB3_PN_CON); in usb3_set_pn_con_update_res()
1014 static void usb3_pn_start(struct renesas_usb3 *usb3) in usb3_pn_start() argument
1016 usb3_set_pn_con_update_res(usb3, PN_CON_RES_NORMAL); in usb3_pn_start()
1019 static void usb3_pn_stop(struct renesas_usb3 *usb3) in usb3_pn_stop() argument
1021 usb3_set_pn_con_update_res(usb3, PN_CON_RES_FORCE_NRDY); in usb3_pn_stop()
1024 static void usb3_pn_stall(struct renesas_usb3 *usb3) in usb3_pn_stall() argument
1026 usb3_set_pn_con_update_res(usb3, PN_CON_RES_FORCE_STALL); in usb3_pn_stall()
1029 static int usb3_pn_con_clear(struct renesas_usb3 *usb3) in usb3_pn_con_clear() argument
1031 usb3_set_bit(usb3, PN_CON_CLR, USB3_PN_CON); in usb3_pn_con_clear()
1033 return usb3_wait(usb3, USB3_PN_CON, PN_CON_CLR, 0); in usb3_pn_con_clear()
1050 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_wait_pipe_status() local
1053 return usb3_wait(usb3, sta_reg, mask, mask); in usb3_wait_pipe_status()
1059 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_set_px_con_send() local
1061 u32 val = usb3_read(usb3, con_reg); in usb3_set_px_con_send()
1065 usb3_write(usb3, val, con_reg); in usb3_set_px_con_send()
1072 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_write_pipe() local
1088 iowrite32_rep(usb3->reg + fifo_reg, buf, len / 4); in usb3_write_pipe()
1096 usb3_write(usb3, tmp, fifo_reg); in usb3_write_pipe()
1109 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_get_received_length() local
1112 return usb3_read(usb3, lng_reg); in usb3_get_received_length()
1118 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_read_pipe() local
1133 ioread32_rep(usb3->reg + fifo_reg, buf, len / 4); in usb3_read_pipe()
1139 tmp = usb3_read(usb3, fifo_reg); in usb3_read_pipe()
1150 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_set_status_stage() local
1153 usb3_set_p0_con_for_ctrl_read_status(usb3); in usb3_set_status_stage()
1156 usb3_set_p0_con_for_no_data(usb3); in usb3_set_status_stage()
1158 usb3_set_p0_con_for_ctrl_write_status(usb3); in usb3_set_status_stage()
1179 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_start_pipe0() local
1187 usb3_set_bit(usb3, P0_MOD_DIR, USB3_P0_MOD); in usb3_start_pipe0()
1188 usb3_set_p0_con_for_ctrl_read_data(usb3); in usb3_start_pipe0()
1190 usb3_clear_bit(usb3, P0_MOD_DIR, USB3_P0_MOD); in usb3_start_pipe0()
1192 usb3_set_p0_con_for_ctrl_write_data(usb3); in usb3_start_pipe0()
1198 static void usb3_enable_dma_pipen(struct renesas_usb3 *usb3) in usb3_enable_dma_pipen() argument
1200 usb3_set_bit(usb3, PN_CON_DATAIF_EN, USB3_PN_CON); in usb3_enable_dma_pipen()
1203 static void usb3_disable_dma_pipen(struct renesas_usb3 *usb3) in usb3_disable_dma_pipen() argument
1205 usb3_clear_bit(usb3, PN_CON_DATAIF_EN, USB3_PN_CON); in usb3_disable_dma_pipen()
1208 static void usb3_enable_dma_irq(struct renesas_usb3 *usb3, int num) in usb3_enable_dma_irq() argument
1210 usb3_set_bit(usb3, DMA_INT(num), USB3_DMA_INT_ENA); in usb3_enable_dma_irq()
1213 static void usb3_disable_dma_irq(struct renesas_usb3 *usb3, int num) in usb3_disable_dma_irq() argument
1215 usb3_clear_bit(usb3, DMA_INT(num), USB3_DMA_INT_ENA); in usb3_disable_dma_irq()
1241 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_dma_get_setting_area() local
1247 dev_dbg(usb3_to_dev(usb3), "%s: the length is too big (%d)\n", in usb3_dma_get_setting_area()
1259 usb3_for_each_dma(usb3, dma, i) { in usb3_dma_get_setting_area()
1263 if (usb_gadget_map_request(&usb3->gadget, &usb3_req->req, in usb3_dma_get_setting_area()
1279 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_dma_put_setting_area() local
1283 usb3_for_each_dma(usb3, dma, i) { in usb3_dma_put_setting_area()
1285 usb_gadget_unmap_request(&usb3->gadget, &usb3_req->req, in usb3_dma_put_setting_area()
1326 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_dma_kick_prd() local
1334 usb3_write(usb3, 1 << usb3_ep->num, USB3_DMA_INT_STA); in usb3_dma_kick_prd()
1335 usb3_write(usb3, AXI_INT_PRDEN_CLR_STA(dma->num) | in usb3_dma_kick_prd()
1338 usb3_write(usb3, dma->prd_dma, USB3_DMA_CH0_PRD_ADR(dma->num)); in usb3_dma_kick_prd()
1339 usb3_write(usb3, dma_con, USB3_DMA_CH0_CON(dma->num)); in usb3_dma_kick_prd()
1340 usb3_enable_dma_irq(usb3, usb3_ep->num); in usb3_dma_kick_prd()
1345 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_dma_stop_prd() local
1348 usb3_disable_dma_irq(usb3, usb3_ep->num); in usb3_dma_stop_prd()
1349 usb3_write(usb3, 0, USB3_DMA_CH0_CON(dma->num)); in usb3_dma_stop_prd()
1387 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_dma_try_start() local
1393 usb3_pn_stop(usb3); in usb3_dma_try_start()
1394 usb3_enable_dma_pipen(usb3); in usb3_dma_try_start()
1397 usb3_pn_start(usb3); in usb3_dma_try_start()
1407 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_dma_try_stop() local
1411 spin_lock_irqsave(&usb3->lock, flags); in usb3_dma_try_stop()
1415 if (!usb3_pn_change(usb3, usb3_ep->num)) in usb3_dma_try_stop()
1416 usb3_disable_dma_pipen(usb3); in usb3_dma_try_stop()
1422 spin_unlock_irqrestore(&usb3->lock, flags); in usb3_dma_try_stop()
1426 static int renesas_usb3_dma_free_prd(struct renesas_usb3 *usb3, in renesas_usb3_dma_free_prd() argument
1432 usb3_for_each_dma(usb3, dma, i) { in renesas_usb3_dma_free_prd()
1443 static int renesas_usb3_dma_alloc_prd(struct renesas_usb3 *usb3, in renesas_usb3_dma_alloc_prd() argument
1452 usb3_for_each_dma(usb3, dma, i) { in renesas_usb3_dma_alloc_prd()
1456 renesas_usb3_dma_free_prd(usb3, dev); in renesas_usb3_dma_alloc_prd()
1468 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_start_pipen() local
1474 spin_lock_irqsave(&usb3->lock, flags); in usb3_start_pipen()
1480 if (usb3_pn_change(usb3, usb3_ep->num) < 0) in usb3_start_pipen()
1488 usb3_pn_start(usb3); in usb3_start_pipen()
1499 usb3_set_bit(usb3, enable_bits, USB3_PN_INT_ENA); in usb3_start_pipen()
1500 usb3_enable_pipe_irq(usb3, usb3_ep->num); in usb3_start_pipen()
1503 spin_unlock_irqrestore(&usb3->lock, flags); in usb3_start_pipen()
1511 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in renesas_usb3_ep_queue() local
1514 dev_dbg(usb3_to_dev(usb3), "ep_queue: ep%2d, %u\n", usb3_ep->num, in renesas_usb3_ep_queue()
1519 spin_lock_irqsave(&usb3->lock, flags); in renesas_usb3_ep_queue()
1521 spin_unlock_irqrestore(&usb3->lock, flags); in renesas_usb3_ep_queue()
1531 static void usb3_set_device_address(struct renesas_usb3 *usb3, u16 addr) in usb3_set_device_address() argument
1534 usb3_set_bit(usb3, USB_COM_CON_DEV_ADDR(addr), USB3_USB_COM_CON); in usb3_set_device_address()
1537 static bool usb3_std_req_set_address(struct renesas_usb3 *usb3, in usb3_std_req_set_address() argument
1543 usb3_set_device_address(usb3, ctrl->wValue); in usb3_std_req_set_address()
1544 usb3_set_p0_con_for_no_data(usb3); in usb3_std_req_set_address()
1549 static void usb3_pipe0_internal_xfer(struct renesas_usb3 *usb3, in usb3_pipe0_internal_xfer() argument
1554 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0); in usb3_pipe0_internal_xfer()
1557 memcpy(usb3->ep0_buf, tx_data, in usb3_pipe0_internal_xfer()
1560 usb3->ep0_req->buf = &usb3->ep0_buf; in usb3_pipe0_internal_xfer()
1561 usb3->ep0_req->length = len; in usb3_pipe0_internal_xfer()
1562 usb3->ep0_req->complete = complete; in usb3_pipe0_internal_xfer()
1563 renesas_usb3_ep_queue(&usb3_ep->ep, usb3->ep0_req, GFP_ATOMIC); in usb3_pipe0_internal_xfer()
1571 static bool usb3_std_req_get_status(struct renesas_usb3 *usb3, in usb3_std_req_get_status() argument
1581 if (usb3->gadget.is_selfpowered) in usb3_std_req_get_status()
1583 if (usb3->gadget.speed == USB_SPEED_SUPER) in usb3_std_req_get_status()
1584 status |= usb3_feature_get_un_enabled(usb3); in usb3_std_req_get_status()
1590 usb3_ep = usb3_get_ep(usb3, num); in usb3_std_req_get_status()
1601 dev_dbg(usb3_to_dev(usb3), "get_status: req = %p\n", in usb3_std_req_get_status()
1602 usb_req_to_usb3_req(usb3->ep0_req)); in usb3_std_req_get_status()
1603 usb3_pipe0_internal_xfer(usb3, &status, sizeof(status), in usb3_std_req_get_status()
1610 static bool usb3_std_req_feature_device(struct renesas_usb3 *usb3, in usb3_std_req_feature_device() argument
1620 usb3->test_mode = le16_to_cpu(ctrl->wIndex) >> 8; in usb3_std_req_feature_device()
1625 if (usb3->gadget.speed != USB_SPEED_SUPER) in usb3_std_req_feature_device()
1628 usb3_feature_u1_enable(usb3, set); in usb3_std_req_feature_device()
1630 usb3_feature_u2_enable(usb3, set); in usb3_std_req_feature_device()
1642 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_set_halt_p0() local
1649 usb3_set_p0_con_stall(usb3); in usb3_set_halt_p0()
1651 usb3_set_p0_con_stop(usb3); in usb3_set_halt_p0()
1659 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_set_halt_pn() local
1662 spin_lock_irqsave(&usb3->lock, flags); in usb3_set_halt_pn()
1663 if (!usb3_pn_change(usb3, usb3_ep->num)) { in usb3_set_halt_pn()
1666 usb3_pn_stall(usb3); in usb3_set_halt_pn()
1668 usb3_pn_con_clear(usb3); in usb3_set_halt_pn()
1669 usb3_set_bit(usb3, PN_CON_EN, USB3_PN_CON); in usb3_set_halt_pn()
1670 usb3_pn_stop(usb3); in usb3_set_halt_pn()
1673 spin_unlock_irqrestore(&usb3->lock, flags); in usb3_set_halt_pn()
1694 static bool usb3_std_req_feature_endpoint(struct renesas_usb3 *usb3, in usb3_std_req_feature_endpoint() argument
1705 usb3_ep = usb3_get_ep(usb3, num); in usb3_std_req_feature_endpoint()
1719 static bool usb3_std_req_feature(struct renesas_usb3 *usb3, in usb3_std_req_feature() argument
1726 stall = usb3_std_req_feature_device(usb3, ctrl, set); in usb3_std_req_feature()
1731 stall = usb3_std_req_feature_endpoint(usb3, ctrl, set); in usb3_std_req_feature()
1739 usb3_set_p0_con_for_no_data(usb3); in usb3_std_req_feature()
1750 static bool usb3_std_req_set_sel(struct renesas_usb3 *usb3, in usb3_std_req_set_sel() argument
1758 dev_dbg(usb3_to_dev(usb3), "set_sel: req = %p\n", in usb3_std_req_set_sel()
1759 usb_req_to_usb3_req(usb3->ep0_req)); in usb3_std_req_set_sel()
1760 usb3_pipe0_internal_xfer(usb3, NULL, 6, usb3_pipe0_set_sel_completion); in usb3_std_req_set_sel()
1765 static bool usb3_std_req_set_configuration(struct renesas_usb3 *usb3, in usb3_std_req_set_configuration() argument
1769 usb3_set_bit(usb3, USB_COM_CON_CONF, USB3_USB_COM_CON); in usb3_std_req_set_configuration()
1771 usb3_clear_bit(usb3, USB_COM_CON_CONF, USB3_USB_COM_CON); in usb3_std_req_set_configuration()
1778 * @usb3: the renesas_usb3 pointer
1783 static bool usb3_handle_standard_request(struct renesas_usb3 *usb3, in usb3_handle_standard_request() argument
1792 stall = usb3_std_req_set_address(usb3, ctrl); in usb3_handle_standard_request()
1796 stall = usb3_std_req_get_status(usb3, ctrl); in usb3_handle_standard_request()
1800 stall = usb3_std_req_feature(usb3, ctrl, false); in usb3_handle_standard_request()
1804 stall = usb3_std_req_feature(usb3, ctrl, true); in usb3_handle_standard_request()
1808 stall = usb3_std_req_set_sel(usb3, ctrl); in usb3_handle_standard_request()
1817 usb3_std_req_set_configuration(usb3, ctrl); in usb3_handle_standard_request()
1825 usb3_set_p0_con_stall(usb3); in usb3_handle_standard_request()
1830 static int usb3_p0_con_clear_buffer(struct renesas_usb3 *usb3) in usb3_p0_con_clear_buffer() argument
1832 usb3_set_bit(usb3, P0_CON_BCLR, USB3_P0_CON); in usb3_p0_con_clear_buffer()
1834 return usb3_wait(usb3, USB3_P0_CON, P0_CON_BCLR, 0); in usb3_p0_con_clear_buffer()
1837 static void usb3_irq_epc_pipe0_setup(struct renesas_usb3 *usb3) in usb3_irq_epc_pipe0_setup() argument
1840 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0); in usb3_irq_epc_pipe0_setup()
1847 usb3_p0_con_clear_buffer(usb3); in usb3_irq_epc_pipe0_setup()
1848 usb3_get_setup_data(usb3, &ctrl); in usb3_irq_epc_pipe0_setup()
1849 if (!usb3_handle_standard_request(usb3, &ctrl)) in usb3_irq_epc_pipe0_setup()
1850 if (usb3->driver->setup(&usb3->gadget, &ctrl) < 0) in usb3_irq_epc_pipe0_setup()
1851 usb3_set_p0_con_stall(usb3); in usb3_irq_epc_pipe0_setup()
1854 static void usb3_irq_epc_pipe0_bfrdy(struct renesas_usb3 *usb3) in usb3_irq_epc_pipe0_bfrdy() argument
1856 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, 0); in usb3_irq_epc_pipe0_bfrdy()
1865 static void usb3_irq_epc_pipe0(struct renesas_usb3 *usb3) in usb3_irq_epc_pipe0() argument
1867 u32 p0_int_sta = usb3_read(usb3, USB3_P0_INT_STA); in usb3_irq_epc_pipe0()
1869 p0_int_sta &= usb3_read(usb3, USB3_P0_INT_ENA); in usb3_irq_epc_pipe0()
1870 usb3_write(usb3, p0_int_sta, USB3_P0_INT_STA); in usb3_irq_epc_pipe0()
1872 usb3_irq_epc_pipe0_status_end(usb3); in usb3_irq_epc_pipe0()
1874 usb3_irq_epc_pipe0_setup(usb3); in usb3_irq_epc_pipe0()
1876 usb3_irq_epc_pipe0_bfrdy(usb3); in usb3_irq_epc_pipe0()
1879 static void usb3_request_done_pipen(struct renesas_usb3 *usb3, in usb3_request_done_pipen() argument
1886 spin_lock_irqsave(&usb3->lock, flags); in usb3_request_done_pipen()
1887 if (usb3_pn_change(usb3, usb3_ep->num)) in usb3_request_done_pipen()
1888 usb3_pn_stop(usb3); in usb3_request_done_pipen()
1889 spin_unlock_irqrestore(&usb3->lock, flags); in usb3_request_done_pipen()
1891 usb3_disable_pipe_irq(usb3, usb3_ep->num); in usb3_request_done_pipen()
1900 static void usb3_irq_epc_pipen_lsttr(struct renesas_usb3 *usb3, int num) in usb3_irq_epc_pipen_lsttr() argument
1902 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, num); in usb3_irq_epc_pipen_lsttr()
1909 dev_dbg(usb3_to_dev(usb3), "%s: len = %u, actual = %u\n", in usb3_irq_epc_pipen_lsttr()
1911 usb3_request_done_pipen(usb3, usb3_ep, usb3_req, 0); in usb3_irq_epc_pipen_lsttr()
1915 static void usb3_irq_epc_pipen_bfrdy(struct renesas_usb3 *usb3, int num) in usb3_irq_epc_pipen_bfrdy() argument
1917 struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, num); in usb3_irq_epc_pipen_bfrdy()
1924 spin_lock(&usb3->lock); in usb3_irq_epc_pipen_bfrdy()
1925 if (usb3_pn_change(usb3, num)) in usb3_irq_epc_pipen_bfrdy()
1931 usb3_clear_bit(usb3, PN_INT_BFRDY, USB3_PN_INT_ENA); in usb3_irq_epc_pipen_bfrdy()
1939 spin_unlock(&usb3->lock); in usb3_irq_epc_pipen_bfrdy()
1942 usb3_request_done_pipen(usb3, usb3_ep, usb3_req, 0); in usb3_irq_epc_pipen_bfrdy()
1945 static void usb3_irq_epc_pipen(struct renesas_usb3 *usb3, int num) in usb3_irq_epc_pipen() argument
1949 spin_lock(&usb3->lock); in usb3_irq_epc_pipen()
1950 if (usb3_pn_change(usb3, num) < 0) { in usb3_irq_epc_pipen()
1951 spin_unlock(&usb3->lock); in usb3_irq_epc_pipen()
1955 pn_int_sta = usb3_read(usb3, USB3_PN_INT_STA); in usb3_irq_epc_pipen()
1956 pn_int_sta &= usb3_read(usb3, USB3_PN_INT_ENA); in usb3_irq_epc_pipen()
1957 usb3_write(usb3, pn_int_sta, USB3_PN_INT_STA); in usb3_irq_epc_pipen()
1958 spin_unlock(&usb3->lock); in usb3_irq_epc_pipen()
1960 usb3_irq_epc_pipen_lsttr(usb3, num); in usb3_irq_epc_pipen()
1962 usb3_irq_epc_pipen_bfrdy(usb3, num); in usb3_irq_epc_pipen()
1965 static void usb3_irq_epc_int_2(struct renesas_usb3 *usb3, u32 int_sta_2) in usb3_irq_epc_int_2() argument
1969 for (i = 0; i < usb3->num_usb3_eps; i++) { in usb3_irq_epc_int_2()
1972 usb3_irq_epc_pipe0(usb3); in usb3_irq_epc_int_2()
1974 usb3_irq_epc_pipen(usb3, i); in usb3_irq_epc_int_2()
1979 static void usb3_irq_idmon_change(struct renesas_usb3 *usb3) in usb3_irq_idmon_change() argument
1981 usb3_check_id(usb3); in usb3_irq_idmon_change()
1984 static void usb3_irq_otg_int(struct renesas_usb3 *usb3, u32 otg_int_sta) in usb3_irq_otg_int() argument
1987 usb3_irq_idmon_change(usb3); in usb3_irq_otg_int()
1990 static void usb3_irq_epc(struct renesas_usb3 *usb3) in usb3_irq_epc() argument
1992 u32 int_sta_1 = usb3_read(usb3, USB3_USB_INT_STA_1); in usb3_irq_epc()
1993 u32 int_sta_2 = usb3_read(usb3, USB3_USB_INT_STA_2); in usb3_irq_epc()
1994 u32 otg_int_sta = usb3_read(usb3, USB3_USB_OTG_INT_STA); in usb3_irq_epc()
1996 int_sta_1 &= usb3_read(usb3, USB3_USB_INT_ENA_1); in usb3_irq_epc()
1998 usb3_write(usb3, int_sta_1, USB3_USB_INT_STA_1); in usb3_irq_epc()
1999 usb3_irq_epc_int_1(usb3, int_sta_1); in usb3_irq_epc()
2002 int_sta_2 &= usb3_read(usb3, USB3_USB_INT_ENA_2); in usb3_irq_epc()
2004 usb3_irq_epc_int_2(usb3, int_sta_2); in usb3_irq_epc()
2006 otg_int_sta &= usb3_read(usb3, USB3_USB_OTG_INT_ENA); in usb3_irq_epc()
2008 usb3_write(usb3, otg_int_sta, USB3_USB_OTG_INT_STA); in usb3_irq_epc()
2009 usb3_irq_otg_int(usb3, otg_int_sta); in usb3_irq_epc()
2013 static void usb3_irq_dma_int(struct renesas_usb3 *usb3, u32 dma_sta) in usb3_irq_dma_int() argument
2019 for (i = 0; i < usb3->num_usb3_eps; i++) { in usb3_irq_dma_int()
2023 usb3_ep = usb3_get_ep(usb3, i); in usb3_irq_dma_int()
2024 if (!(usb3_read(usb3, USB3_AXI_INT_STA) & in usb3_irq_dma_int()
2030 usb3_request_done_pipen(usb3, usb3_ep, usb3_req, status); in usb3_irq_dma_int()
2034 static void usb3_irq_dma(struct renesas_usb3 *usb3) in usb3_irq_dma() argument
2036 u32 dma_sta = usb3_read(usb3, USB3_DMA_INT_STA); in usb3_irq_dma()
2038 dma_sta &= usb3_read(usb3, USB3_DMA_INT_ENA); in usb3_irq_dma()
2040 usb3_write(usb3, dma_sta, USB3_DMA_INT_STA); in usb3_irq_dma()
2041 usb3_irq_dma_int(usb3, dma_sta); in usb3_irq_dma()
2047 struct renesas_usb3 *usb3 = _usb3; in renesas_usb3_irq() local
2049 u32 axi_int_sta = usb3_read(usb3, USB3_AXI_INT_STA); in renesas_usb3_irq()
2052 usb3_irq_dma(usb3); in renesas_usb3_irq()
2057 usb3_irq_epc(usb3); in renesas_usb3_irq()
2067 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_write_pn_mod() local
2073 usb3_write(usb3, val, USB3_PN_MOD); in usb3_write_pn_mod()
2110 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_enable_pipe_n() local
2115 spin_lock_irqsave(&usb3->lock, flags); in usb3_enable_pipe_n()
2116 if (!usb3_pn_change(usb3, usb3_ep->num)) { in usb3_enable_pipe_n()
2118 usb3_write(usb3, usb3_calc_rammap_val(usb3_ep, desc), in usb3_enable_pipe_n()
2120 usb3_pn_con_clear(usb3); in usb3_enable_pipe_n()
2121 usb3_set_bit(usb3, PN_CON_EN, USB3_PN_CON); in usb3_enable_pipe_n()
2123 spin_unlock_irqrestore(&usb3->lock, flags); in usb3_enable_pipe_n()
2130 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in usb3_disable_pipe_n() local
2135 spin_lock_irqsave(&usb3->lock, flags); in usb3_disable_pipe_n()
2136 if (!usb3_pn_change(usb3, usb3_ep->num)) { in usb3_disable_pipe_n()
2137 usb3_write(usb3, 0, USB3_PN_INT_ENA); in usb3_disable_pipe_n()
2138 usb3_write(usb3, 0, USB3_PN_RAMMAP); in usb3_disable_pipe_n()
2139 usb3_clear_bit(usb3, PN_CON_EN, USB3_PN_CON); in usb3_disable_pipe_n()
2141 spin_unlock_irqrestore(&usb3->lock, flags); in usb3_disable_pipe_n()
2207 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in renesas_usb3_ep_dequeue() local
2209 dev_dbg(usb3_to_dev(usb3), "ep_dequeue: ep%2d, %u\n", usb3_ep->num, in renesas_usb3_ep_dequeue()
2213 usb3_request_done_pipen(usb3, usb3_ep, usb3_req, -ECONNRESET); in renesas_usb3_ep_dequeue()
2234 struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); in renesas_usb3_ep_fifo_flush() local
2238 spin_lock_irqsave(&usb3->lock, flags); in renesas_usb3_ep_fifo_flush()
2239 if (!usb3_pn_change(usb3, usb3_ep->num)) { in renesas_usb3_ep_fifo_flush()
2240 usb3_pn_con_clear(usb3); in renesas_usb3_ep_fifo_flush()
2241 usb3_set_bit(usb3, PN_CON_EN, USB3_PN_CON); in renesas_usb3_ep_fifo_flush()
2243 spin_unlock_irqrestore(&usb3->lock, flags); in renesas_usb3_ep_fifo_flush()
2245 usb3_p0_con_clear_buffer(usb3); in renesas_usb3_ep_fifo_flush()
2268 struct renesas_usb3 *usb3; in renesas_usb3_start() local
2274 usb3 = gadget_to_renesas_usb3(gadget); in renesas_usb3_start()
2277 usb3->driver = driver; in renesas_usb3_start()
2279 if (usb3->phy) in renesas_usb3_start()
2280 phy_init(usb3->phy); in renesas_usb3_start()
2282 pm_runtime_get_sync(usb3_to_dev(usb3)); in renesas_usb3_start()
2284 renesas_usb3_init_controller(usb3); in renesas_usb3_start()
2291 struct renesas_usb3 *usb3 = gadget_to_renesas_usb3(gadget); in renesas_usb3_stop() local
2293 usb3->softconnect = false; in renesas_usb3_stop()
2294 usb3->gadget.speed = USB_SPEED_UNKNOWN; in renesas_usb3_stop()
2295 usb3->driver = NULL; in renesas_usb3_stop()
2296 renesas_usb3_stop_controller(usb3); in renesas_usb3_stop()
2298 if (usb3->phy) in renesas_usb3_stop()
2299 phy_exit(usb3->phy); in renesas_usb3_stop()
2301 pm_runtime_put(usb3_to_dev(usb3)); in renesas_usb3_stop()
2313 struct renesas_usb3 *usb3 = gadget_to_renesas_usb3(gadget); in renesas_usb3_pullup() local
2315 usb3->softconnect = !!is_on; in renesas_usb3_pullup()
2337 struct renesas_usb3 *usb3 = dev_get_drvdata(dev); in renesas_usb3_role_switch_get() local
2341 cur_role = usb3_is_host(usb3) ? USB_ROLE_HOST : USB_ROLE_DEVICE; in renesas_usb3_role_switch_get()
2350 struct renesas_usb3 *usb3 = dev_get_drvdata(dev); in renesas_usb3_role_switch_set() local
2351 struct device *host = usb3->host_dev; in renesas_usb3_role_switch_set()
2357 usb3_set_mode(usb3, false); in renesas_usb3_role_switch_set()
2360 usb3_set_mode(usb3, true); in renesas_usb3_role_switch_set()
2373 struct renesas_usb3 *usb3 = dev_get_drvdata(dev); in role_store() local
2376 if (!usb3->driver) in role_store()
2379 if (usb3->forced_b_device) in role_store()
2389 if (new_mode_is_host == usb3_is_host(usb3)) in role_store()
2392 usb3_mode_config(usb3, new_mode_is_host, usb3_is_a_device(usb3)); in role_store()
2400 struct renesas_usb3 *usb3 = dev_get_drvdata(dev); in role_show() local
2402 if (!usb3->driver) in role_show()
2405 return sprintf(buf, "%s\n", usb3_is_host(usb3) ? "host" : "peripheral"); in role_show()
2411 struct renesas_usb3 *usb3 = s->private; in renesas_usb3_b_device_show() local
2413 seq_printf(s, "%d\n", usb3->forced_b_device); in renesas_usb3_b_device_show()
2428 struct renesas_usb3 *usb3 = s->private; in renesas_usb3_b_device_write() local
2431 if (!usb3->driver) in renesas_usb3_b_device_write()
2437 usb3->start_to_connect = false; in renesas_usb3_b_device_write()
2438 if (usb3->workaround_for_vbus && usb3->forced_b_device && in renesas_usb3_b_device_write()
2440 usb3->start_to_connect = true; in renesas_usb3_b_device_write()
2442 usb3->forced_b_device = true; in renesas_usb3_b_device_write()
2444 usb3->forced_b_device = false; in renesas_usb3_b_device_write()
2446 if (usb3->workaround_for_vbus) in renesas_usb3_b_device_write()
2447 usb3_disconnect(usb3); in renesas_usb3_b_device_write()
2450 usb3_check_id(usb3); in renesas_usb3_b_device_write()
2463 static void renesas_usb3_debugfs_init(struct renesas_usb3 *usb3, in renesas_usb3_debugfs_init() argument
2466 usb3->dentry = debugfs_create_dir(dev_name(dev), NULL); in renesas_usb3_debugfs_init()
2468 debugfs_create_file("b_device", 0644, usb3->dentry, usb3, in renesas_usb3_debugfs_init()
2475 struct renesas_usb3 *usb3 = platform_get_drvdata(pdev); in renesas_usb3_remove() local
2477 debugfs_remove_recursive(usb3->dentry); in renesas_usb3_remove()
2480 usb_role_switch_unregister(usb3->role_sw); in renesas_usb3_remove()
2482 usb_del_gadget_udc(&usb3->gadget); in renesas_usb3_remove()
2483 renesas_usb3_dma_free_prd(usb3, &pdev->dev); in renesas_usb3_remove()
2485 __renesas_usb3_ep_free_request(usb3->ep0_req); in renesas_usb3_remove()
2491 static int renesas_usb3_init_ep(struct renesas_usb3 *usb3, struct device *dev, in renesas_usb3_init_ep() argument
2498 usb3->num_usb3_eps = priv->ramsize_per_ramif * priv->num_ramif * 2 / in renesas_usb3_init_ep()
2501 if (usb3->num_usb3_eps > USB3_MAX_NUM_PIPES) in renesas_usb3_init_ep()
2502 usb3->num_usb3_eps = USB3_MAX_NUM_PIPES; in renesas_usb3_init_ep()
2504 usb3->usb3_ep = devm_kcalloc(dev, in renesas_usb3_init_ep()
2505 usb3->num_usb3_eps, sizeof(*usb3_ep), in renesas_usb3_init_ep()
2507 if (!usb3->usb3_ep) in renesas_usb3_init_ep()
2510 dev_dbg(dev, "%s: num_usb3_eps = %d\n", __func__, usb3->num_usb3_eps); in renesas_usb3_init_ep()
2516 usb3_for_each_ep(usb3_ep, usb3, i) { in renesas_usb3_init_ep()
2518 usb3_ep->usb3 = usb3; in renesas_usb3_init_ep()
2526 usb3->gadget.ep0 = &usb3_ep->ep; in renesas_usb3_init_ep()
2537 list_add_tail(&usb3_ep->ep.ep_list, &usb3->gadget.ep_list); in renesas_usb3_init_ep()
2549 static void renesas_usb3_init_ram(struct renesas_usb3 *usb3, struct device *dev, in renesas_usb3_init_ram() argument
2566 usb3_for_each_ep(usb3_ep, usb3, i) { in renesas_usb3_init_ram()
2614 .compatible = "renesas,r8a7795-usb3-peri",
2618 .compatible = "renesas,rcar-gen3-usb3-peri",
2647 struct renesas_usb3 *usb3; in renesas_usb3_probe() local
2665 usb3 = devm_kzalloc(&pdev->dev, sizeof(*usb3), GFP_KERNEL); in renesas_usb3_probe()
2666 if (!usb3) in renesas_usb3_probe()
2670 usb3->reg = devm_ioremap_resource(&pdev->dev, res); in renesas_usb3_probe()
2671 if (IS_ERR(usb3->reg)) in renesas_usb3_probe()
2672 return PTR_ERR(usb3->reg); in renesas_usb3_probe()
2674 platform_set_drvdata(pdev, usb3); in renesas_usb3_probe()
2675 spin_lock_init(&usb3->lock); in renesas_usb3_probe()
2677 usb3->gadget.ops = &renesas_usb3_gadget_ops; in renesas_usb3_probe()
2678 usb3->gadget.name = udc_name; in renesas_usb3_probe()
2679 usb3->gadget.max_speed = USB_SPEED_SUPER; in renesas_usb3_probe()
2680 INIT_LIST_HEAD(&usb3->gadget.ep_list); in renesas_usb3_probe()
2681 ret = renesas_usb3_init_ep(usb3, &pdev->dev, priv); in renesas_usb3_probe()
2684 renesas_usb3_init_ram(usb3, &pdev->dev, priv); in renesas_usb3_probe()
2687 dev_name(&pdev->dev), usb3); in renesas_usb3_probe()
2691 INIT_WORK(&usb3->extcon_work, renesas_usb3_extcon_work); in renesas_usb3_probe()
2692 usb3->extcon = devm_extcon_dev_allocate(&pdev->dev, renesas_usb3_cable); in renesas_usb3_probe()
2693 if (IS_ERR(usb3->extcon)) in renesas_usb3_probe()
2694 return PTR_ERR(usb3->extcon); in renesas_usb3_probe()
2696 ret = devm_extcon_dev_register(&pdev->dev, usb3->extcon); in renesas_usb3_probe()
2703 usb3->ep0_req = __renesas_usb3_ep_alloc_request(GFP_KERNEL); in renesas_usb3_probe()
2704 if (!usb3->ep0_req) in renesas_usb3_probe()
2707 ret = renesas_usb3_dma_alloc_prd(usb3, &pdev->dev); in renesas_usb3_probe()
2715 usb3->phy = devm_phy_optional_get(&pdev->dev, "usb"); in renesas_usb3_probe()
2716 if (IS_ERR(usb3->phy)) { in renesas_usb3_probe()
2717 ret = PTR_ERR(usb3->phy); in renesas_usb3_probe()
2722 ret = usb_add_gadget_udc(&pdev->dev, &usb3->gadget); in renesas_usb3_probe()
2730 INIT_WORK(&usb3->role_work, renesas_usb3_role_work); in renesas_usb3_probe()
2731 usb3->role_sw = usb_role_switch_register(&pdev->dev, in renesas_usb3_probe()
2733 if (!IS_ERR(usb3->role_sw)) { in renesas_usb3_probe()
2734 usb3->host_dev = usb_of_get_companion_dev(&pdev->dev); in renesas_usb3_probe()
2735 if (!usb3->host_dev) { in renesas_usb3_probe()
2737 usb_role_switch_unregister(usb3->role_sw); in renesas_usb3_probe()
2738 usb3->role_sw = NULL; in renesas_usb3_probe()
2741 usb3->role_sw = NULL; in renesas_usb3_probe()
2744 usb3->workaround_for_vbus = priv->workaround_for_vbus; in renesas_usb3_probe()
2746 renesas_usb3_debugfs_init(usb3, &pdev->dev); in renesas_usb3_probe()
2748 dev_info(&pdev->dev, "probed%s\n", usb3->phy ? " with phy" : ""); in renesas_usb3_probe()
2753 usb_del_gadget_udc(&usb3->gadget); in renesas_usb3_probe()
2756 renesas_usb3_dma_free_prd(usb3, &pdev->dev); in renesas_usb3_probe()
2759 __renesas_usb3_ep_free_request(usb3->ep0_req); in renesas_usb3_probe()
2767 struct renesas_usb3 *usb3 = dev_get_drvdata(dev); in renesas_usb3_suspend() local
2770 if (!usb3->driver) in renesas_usb3_suspend()
2773 renesas_usb3_stop_controller(usb3); in renesas_usb3_suspend()
2774 if (usb3->phy) in renesas_usb3_suspend()
2775 phy_exit(usb3->phy); in renesas_usb3_suspend()
2783 struct renesas_usb3 *usb3 = dev_get_drvdata(dev); in renesas_usb3_resume() local
2786 if (!usb3->driver) in renesas_usb3_resume()
2789 if (usb3->phy) in renesas_usb3_resume()
2790 phy_init(usb3->phy); in renesas_usb3_resume()
2792 renesas_usb3_init_controller(usb3); in renesas_usb3_resume()
2812 MODULE_DESCRIPTION("Renesas USB3.0 Peripheral driver");