Lines Matching full:dwc
30 static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep);
31 static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
38 struct dwc3 *dwc; in dwc3_ep0_prepare_one_trb() local
40 dwc = dep->dwc; in dwc3_ep0_prepare_one_trb()
41 trb = &dwc->ep0_trb[dep->trb_enqueue]; in dwc3_ep0_prepare_one_trb()
66 struct dwc3 *dwc; in dwc3_ep0_start_trans() local
72 dwc = dep->dwc; in dwc3_ep0_start_trans()
75 params.param0 = upper_32_bits(dwc->ep0_trb_addr); in dwc3_ep0_start_trans()
76 params.param1 = lower_32_bits(dwc->ep0_trb_addr); in dwc3_ep0_start_trans()
82 dwc->ep0_next_event = DWC3_EP0_COMPLETE; in dwc3_ep0_start_trans()
90 struct dwc3 *dwc = dep->dwc; in __dwc3_gadget_ep0_queue() local
112 if (dwc->ep0state != EP0_DATA_PHASE) { in __dwc3_gadget_ep0_queue()
113 dev_WARN(dwc->dev, "Unexpected pending request\n"); in __dwc3_gadget_ep0_queue()
117 __dwc3_ep0_do_control_data(dwc, dwc->eps[direction], req); in __dwc3_gadget_ep0_queue()
129 if (dwc->delayed_status) { in __dwc3_gadget_ep0_queue()
132 direction = !dwc->ep0_expect_in; in __dwc3_gadget_ep0_queue()
133 dwc->delayed_status = false; in __dwc3_gadget_ep0_queue()
134 usb_gadget_set_state(dwc->gadget, USB_STATE_CONFIGURED); in __dwc3_gadget_ep0_queue()
136 if (dwc->ep0state == EP0_STATUS_PHASE) in __dwc3_gadget_ep0_queue()
137 __dwc3_ep0_do_control_status(dwc, dwc->eps[direction]); in __dwc3_gadget_ep0_queue()
174 if (dwc->three_stage_setup) { in __dwc3_gadget_ep0_queue()
177 direction = dwc->ep0_expect_in; in __dwc3_gadget_ep0_queue()
178 dwc->ep0state = EP0_DATA_PHASE; in __dwc3_gadget_ep0_queue()
180 __dwc3_ep0_do_control_data(dwc, dwc->eps[direction], req); in __dwc3_gadget_ep0_queue()
193 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_ep0_queue() local
199 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep0_queue()
200 if (!dep->endpoint.desc || !dwc->pullups_connected) { in dwc3_gadget_ep0_queue()
201 dev_err(dwc->dev, "%s: can't queue to disabled endpoint\n", in dwc3_gadget_ep0_queue()
216 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep0_queue()
221 static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc) in dwc3_ep0_stall_and_restart() argument
226 dep = dwc->eps[1]; in dwc3_ep0_stall_and_restart()
230 dep = dwc->eps[0]; in dwc3_ep0_stall_and_restart()
233 dwc->delayed_status = false; in dwc3_ep0_stall_and_restart()
242 dwc->ep0state = EP0_SETUP_PHASE; in dwc3_ep0_stall_and_restart()
243 dwc3_ep0_out_start(dwc); in dwc3_ep0_stall_and_restart()
249 struct dwc3 *dwc = dep->dwc; in __dwc3_gadget_ep0_set_halt() local
251 dwc3_ep0_stall_and_restart(dwc); in __dwc3_gadget_ep0_set_halt()
259 struct dwc3 *dwc = dep->dwc; in dwc3_gadget_ep0_set_halt() local
263 spin_lock_irqsave(&dwc->lock, flags); in dwc3_gadget_ep0_set_halt()
265 spin_unlock_irqrestore(&dwc->lock, flags); in dwc3_gadget_ep0_set_halt()
270 void dwc3_ep0_out_start(struct dwc3 *dwc) in dwc3_ep0_out_start() argument
275 complete(&dwc->ep0_in_setup); in dwc3_ep0_out_start()
277 dep = dwc->eps[0]; in dwc3_ep0_out_start()
278 dwc3_ep0_prepare_one_trb(dep, dwc->ep0_trb_addr, 8, in dwc3_ep0_out_start()
284 static struct dwc3_ep *dwc3_wIndex_to_dep(struct dwc3 *dwc, __le16 wIndex_le) in dwc3_wIndex_to_dep() argument
294 dep = dwc->eps[epnum]; in dwc3_wIndex_to_dep()
310 static int dwc3_ep0_handle_status(struct dwc3 *dwc, in dwc3_ep0_handle_status() argument
331 usb_status |= dwc->gadget->is_selfpowered; in dwc3_ep0_handle_status()
333 if ((dwc->speed == DWC3_DSTS_SUPERSPEED) || in dwc3_ep0_handle_status()
334 (dwc->speed == DWC3_DSTS_SUPERSPEED_PLUS)) { in dwc3_ep0_handle_status()
335 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_ep0_handle_status()
352 dep = dwc3_wIndex_to_dep(dwc, ctrl->wIndex); in dwc3_ep0_handle_status()
363 response_pkt = (__le16 *) dwc->setup_buf; in dwc3_ep0_handle_status()
366 dep = dwc->eps[0]; in dwc3_ep0_handle_status()
367 dwc->ep0_usb_req.dep = dep; in dwc3_ep0_handle_status()
368 dwc->ep0_usb_req.request.length = sizeof(*response_pkt); in dwc3_ep0_handle_status()
369 dwc->ep0_usb_req.request.buf = dwc->setup_buf; in dwc3_ep0_handle_status()
370 dwc->ep0_usb_req.request.complete = dwc3_ep0_status_cmpl; in dwc3_ep0_handle_status()
372 return __dwc3_gadget_ep0_queue(dep, &dwc->ep0_usb_req); in dwc3_ep0_handle_status()
375 static int dwc3_ep0_handle_u1(struct dwc3 *dwc, enum usb_device_state state, in dwc3_ep0_handle_u1() argument
382 if ((dwc->speed != DWC3_DSTS_SUPERSPEED) && in dwc3_ep0_handle_u1()
383 (dwc->speed != DWC3_DSTS_SUPERSPEED_PLUS)) in dwc3_ep0_handle_u1()
385 if (set && dwc->dis_u1_entry_quirk) in dwc3_ep0_handle_u1()
388 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_ep0_handle_u1()
393 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_ep0_handle_u1()
398 static int dwc3_ep0_handle_u2(struct dwc3 *dwc, enum usb_device_state state, in dwc3_ep0_handle_u2() argument
406 if ((dwc->speed != DWC3_DSTS_SUPERSPEED) && in dwc3_ep0_handle_u2()
407 (dwc->speed != DWC3_DSTS_SUPERSPEED_PLUS)) in dwc3_ep0_handle_u2()
409 if (set && dwc->dis_u2_entry_quirk) in dwc3_ep0_handle_u2()
412 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_ep0_handle_u2()
417 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_ep0_handle_u2()
422 static int dwc3_ep0_handle_test(struct dwc3 *dwc, enum usb_device_state state, in dwc3_ep0_handle_test() argument
436 dwc->test_mode_nr = wIndex >> 8; in dwc3_ep0_handle_test()
437 dwc->test_mode = true; in dwc3_ep0_handle_test()
446 static int dwc3_ep0_handle_device(struct dwc3 *dwc, in dwc3_ep0_handle_device() argument
456 state = dwc->gadget->state; in dwc3_ep0_handle_device()
466 ret = dwc3_ep0_handle_u1(dwc, state, set); in dwc3_ep0_handle_device()
469 ret = dwc3_ep0_handle_u2(dwc, state, set); in dwc3_ep0_handle_device()
475 ret = dwc3_ep0_handle_test(dwc, state, wIndex, set); in dwc3_ep0_handle_device()
484 static int dwc3_ep0_handle_intf(struct dwc3 *dwc, in dwc3_ep0_handle_intf() argument
509 static int dwc3_ep0_handle_endpoint(struct dwc3 *dwc, in dwc3_ep0_handle_endpoint() argument
520 dep = dwc3_wIndex_to_dep(dwc, ctrl->wIndex); in dwc3_ep0_handle_endpoint()
543 static int dwc3_ep0_handle_feature(struct dwc3 *dwc, in dwc3_ep0_handle_feature() argument
553 ret = dwc3_ep0_handle_device(dwc, ctrl, set); in dwc3_ep0_handle_feature()
556 ret = dwc3_ep0_handle_intf(dwc, ctrl, set); in dwc3_ep0_handle_feature()
559 ret = dwc3_ep0_handle_endpoint(dwc, ctrl, set); in dwc3_ep0_handle_feature()
568 static int dwc3_ep0_set_address(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) in dwc3_ep0_set_address() argument
570 enum usb_device_state state = dwc->gadget->state; in dwc3_ep0_set_address()
576 dev_err(dwc->dev, "invalid device address %d\n", addr); in dwc3_ep0_set_address()
581 dev_err(dwc->dev, "can't SetAddress() from Configured State\n"); in dwc3_ep0_set_address()
585 reg = dwc3_readl(dwc->regs, DWC3_DCFG); in dwc3_ep0_set_address()
588 dwc3_writel(dwc->regs, DWC3_DCFG, reg); in dwc3_ep0_set_address()
591 usb_gadget_set_state(dwc->gadget, USB_STATE_ADDRESS); in dwc3_ep0_set_address()
593 usb_gadget_set_state(dwc->gadget, USB_STATE_DEFAULT); in dwc3_ep0_set_address()
598 static int dwc3_ep0_delegate_req(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) in dwc3_ep0_delegate_req() argument
602 spin_unlock(&dwc->lock); in dwc3_ep0_delegate_req()
603 ret = dwc->gadget_driver->setup(dwc->gadget, ctrl); in dwc3_ep0_delegate_req()
604 spin_lock(&dwc->lock); in dwc3_ep0_delegate_req()
608 static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) in dwc3_ep0_set_config() argument
610 enum usb_device_state state = dwc->gadget->state; in dwc3_ep0_set_config()
622 ret = dwc3_ep0_delegate_req(dwc, ctrl); in dwc3_ep0_set_config()
633 usb_gadget_set_state(dwc->gadget, in dwc3_ep0_set_config()
640 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_ep0_set_config()
641 if (!dwc->dis_u1_entry_quirk) in dwc3_ep0_set_config()
643 if (!dwc->dis_u2_entry_quirk) in dwc3_ep0_set_config()
645 dwc3_writel(dwc->regs, DWC3_DCTL, reg); in dwc3_ep0_set_config()
650 ret = dwc3_ep0_delegate_req(dwc, ctrl); in dwc3_ep0_set_config()
652 usb_gadget_set_state(dwc->gadget, in dwc3_ep0_set_config()
664 struct dwc3 *dwc = dep->dwc; in dwc3_ep0_set_sel_cmpl() local
680 dwc->u1sel = timing.u1sel; in dwc3_ep0_set_sel_cmpl()
681 dwc->u1pel = timing.u1pel; in dwc3_ep0_set_sel_cmpl()
682 dwc->u2sel = le16_to_cpu(timing.u2sel); in dwc3_ep0_set_sel_cmpl()
683 dwc->u2pel = le16_to_cpu(timing.u2pel); in dwc3_ep0_set_sel_cmpl()
685 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_ep0_set_sel_cmpl()
687 param = dwc->u2pel; in dwc3_ep0_set_sel_cmpl()
689 param = dwc->u1pel; in dwc3_ep0_set_sel_cmpl()
700 ret = dwc3_send_gadget_generic_command(dwc, in dwc3_ep0_set_sel_cmpl()
705 static int dwc3_ep0_set_sel(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) in dwc3_ep0_set_sel() argument
708 enum usb_device_state state = dwc->gadget->state; in dwc3_ep0_set_sel()
717 dev_err(dwc->dev, "Set SEL should be 6 bytes, got %d\n", in dwc3_ep0_set_sel()
730 dep = dwc->eps[0]; in dwc3_ep0_set_sel()
731 dwc->ep0_usb_req.dep = dep; in dwc3_ep0_set_sel()
732 dwc->ep0_usb_req.request.length = dep->endpoint.maxpacket; in dwc3_ep0_set_sel()
733 dwc->ep0_usb_req.request.buf = dwc->setup_buf; in dwc3_ep0_set_sel()
734 dwc->ep0_usb_req.request.complete = dwc3_ep0_set_sel_cmpl; in dwc3_ep0_set_sel()
736 return __dwc3_gadget_ep0_queue(dep, &dwc->ep0_usb_req); in dwc3_ep0_set_sel()
739 static int dwc3_ep0_set_isoch_delay(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) in dwc3_ep0_set_isoch_delay() argument
752 dwc->gadget->isoch_delay = wValue; in dwc3_ep0_set_isoch_delay()
757 static int dwc3_ep0_std_request(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) in dwc3_ep0_std_request() argument
763 ret = dwc3_ep0_handle_status(dwc, ctrl); in dwc3_ep0_std_request()
766 ret = dwc3_ep0_handle_feature(dwc, ctrl, 0); in dwc3_ep0_std_request()
769 ret = dwc3_ep0_handle_feature(dwc, ctrl, 1); in dwc3_ep0_std_request()
772 ret = dwc3_ep0_set_address(dwc, ctrl); in dwc3_ep0_std_request()
775 ret = dwc3_ep0_set_config(dwc, ctrl); in dwc3_ep0_std_request()
778 ret = dwc3_ep0_set_sel(dwc, ctrl); in dwc3_ep0_std_request()
781 ret = dwc3_ep0_set_isoch_delay(dwc, ctrl); in dwc3_ep0_std_request()
784 ret = dwc3_ep0_delegate_req(dwc, ctrl); in dwc3_ep0_std_request()
791 static void dwc3_ep0_inspect_setup(struct dwc3 *dwc, in dwc3_ep0_inspect_setup() argument
794 struct usb_ctrlrequest *ctrl = (void *) dwc->ep0_trb; in dwc3_ep0_inspect_setup()
798 if (!dwc->gadget_driver) in dwc3_ep0_inspect_setup()
805 dwc->three_stage_setup = false; in dwc3_ep0_inspect_setup()
806 dwc->ep0_expect_in = false; in dwc3_ep0_inspect_setup()
807 dwc->ep0_next_event = DWC3_EP0_NRDY_STATUS; in dwc3_ep0_inspect_setup()
809 dwc->three_stage_setup = true; in dwc3_ep0_inspect_setup()
810 dwc->ep0_expect_in = !!(ctrl->bRequestType & USB_DIR_IN); in dwc3_ep0_inspect_setup()
811 dwc->ep0_next_event = DWC3_EP0_NRDY_DATA; in dwc3_ep0_inspect_setup()
815 ret = dwc3_ep0_std_request(dwc, ctrl); in dwc3_ep0_inspect_setup()
817 ret = dwc3_ep0_delegate_req(dwc, ctrl); in dwc3_ep0_inspect_setup()
820 dwc->delayed_status = true; in dwc3_ep0_inspect_setup()
824 dwc3_ep0_stall_and_restart(dwc); in dwc3_ep0_inspect_setup()
827 static void dwc3_ep0_complete_data(struct dwc3 *dwc, in dwc3_ep0_complete_data() argument
840 ep0 = dwc->eps[0]; in dwc3_ep0_complete_data()
842 dwc->ep0_next_event = DWC3_EP0_NRDY_STATUS; in dwc3_ep0_complete_data()
843 trb = dwc->ep0_trb; in dwc3_ep0_complete_data()
852 dwc->setup_packet_pending = true; in dwc3_ep0_complete_data()
866 ur->length && ur->zero) || dwc->ep0_bounced) { in dwc3_ep0_complete_data()
872 dwc->eps[1]->trb_enqueue = 0; in dwc3_ep0_complete_data()
874 dwc->eps[0]->trb_enqueue = 0; in dwc3_ep0_complete_data()
876 dwc->ep0_bounced = false; in dwc3_ep0_complete_data()
880 dwc3_ep0_stall_and_restart(dwc); in dwc3_ep0_complete_data()
885 static void dwc3_ep0_complete_status(struct dwc3 *dwc, in dwc3_ep0_complete_status() argument
893 dep = dwc->eps[0]; in dwc3_ep0_complete_status()
894 trb = dwc->ep0_trb; in dwc3_ep0_complete_status()
904 if (dwc->test_mode) { in dwc3_ep0_complete_status()
907 ret = dwc3_gadget_set_test_mode(dwc, dwc->test_mode_nr); in dwc3_ep0_complete_status()
909 dev_err(dwc->dev, "invalid test #%d\n", in dwc3_ep0_complete_status()
910 dwc->test_mode_nr); in dwc3_ep0_complete_status()
911 dwc3_ep0_stall_and_restart(dwc); in dwc3_ep0_complete_status()
918 dwc->setup_packet_pending = true; in dwc3_ep0_complete_status()
920 dwc->ep0state = EP0_SETUP_PHASE; in dwc3_ep0_complete_status()
921 dwc3_ep0_out_start(dwc); in dwc3_ep0_complete_status()
924 static void dwc3_ep0_xfer_complete(struct dwc3 *dwc, in dwc3_ep0_xfer_complete() argument
927 struct dwc3_ep *dep = dwc->eps[event->endpoint_number]; in dwc3_ep0_xfer_complete()
931 dwc->setup_packet_pending = false; in dwc3_ep0_xfer_complete()
933 switch (dwc->ep0state) { in dwc3_ep0_xfer_complete()
935 dwc3_ep0_inspect_setup(dwc, event); in dwc3_ep0_xfer_complete()
939 dwc3_ep0_complete_data(dwc, event); in dwc3_ep0_xfer_complete()
943 dwc3_ep0_complete_status(dwc, event); in dwc3_ep0_xfer_complete()
946 WARN(true, "UNKNOWN ep0state %d\n", dwc->ep0state); in dwc3_ep0_xfer_complete()
950 static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, in __dwc3_ep0_do_control_data() argument
962 dwc3_ep0_prepare_one_trb(dep, dwc->bounce_addr, trb_length, in __dwc3_ep0_do_control_data()
970 ret = usb_gadget_map_request_by_dev(dwc->sysdev, in __dwc3_ep0_do_control_data()
977 dwc->ep0_bounced = true; in __dwc3_ep0_do_control_data()
985 req->trb = &dwc->ep0_trb[dep->trb_enqueue - 1]; in __dwc3_ep0_do_control_data()
988 dwc3_ep0_prepare_one_trb(dep, dwc->bounce_addr, in __dwc3_ep0_do_control_data()
996 ret = usb_gadget_map_request_by_dev(dwc->sysdev, in __dwc3_ep0_do_control_data()
1007 req->trb = &dwc->ep0_trb[dep->trb_enqueue - 1]; in __dwc3_ep0_do_control_data()
1013 dwc3_ep0_prepare_one_trb(dep, dwc->bounce_addr, in __dwc3_ep0_do_control_data()
1018 ret = usb_gadget_map_request_by_dev(dwc->sysdev, in __dwc3_ep0_do_control_data()
1027 req->trb = &dwc->ep0_trb[dep->trb_enqueue]; in __dwc3_ep0_do_control_data()
1037 struct dwc3 *dwc = dep->dwc; in dwc3_ep0_start_control_status() local
1040 type = dwc->three_stage_setup ? DWC3_TRBCTL_CONTROL_STATUS3 in dwc3_ep0_start_control_status()
1043 dwc3_ep0_prepare_one_trb(dep, dwc->ep0_trb_addr, 0, type, false); in dwc3_ep0_start_control_status()
1047 static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep) in __dwc3_ep0_do_control_status() argument
1052 static void dwc3_ep0_do_control_status(struct dwc3 *dwc, in dwc3_ep0_do_control_status() argument
1055 struct dwc3_ep *dep = dwc->eps[event->endpoint_number]; in dwc3_ep0_do_control_status()
1057 __dwc3_ep0_do_control_status(dwc, dep); in dwc3_ep0_do_control_status()
1060 void dwc3_ep0_send_delayed_status(struct dwc3 *dwc) in dwc3_ep0_send_delayed_status() argument
1062 unsigned int direction = !dwc->ep0_expect_in; in dwc3_ep0_send_delayed_status()
1064 dwc->delayed_status = false; in dwc3_ep0_send_delayed_status()
1066 if (dwc->ep0state != EP0_STATUS_PHASE) in dwc3_ep0_send_delayed_status()
1069 __dwc3_ep0_do_control_status(dwc, dwc->eps[direction]); in dwc3_ep0_send_delayed_status()
1072 static void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep) in dwc3_ep0_end_control_data() argument
1090 static void dwc3_ep0_xfernotready(struct dwc3 *dwc, in dwc3_ep0_xfernotready() argument
1104 if (dwc->ep0_expect_in != event->endpoint_number) { in dwc3_ep0_xfernotready()
1105 struct dwc3_ep *dep = dwc->eps[dwc->ep0_expect_in]; in dwc3_ep0_xfernotready()
1107 dev_err(dwc->dev, "unexpected direction for Data Phase\n"); in dwc3_ep0_xfernotready()
1108 dwc3_ep0_end_control_data(dwc, dep); in dwc3_ep0_xfernotready()
1109 dwc3_ep0_stall_and_restart(dwc); in dwc3_ep0_xfernotready()
1116 if (dwc->ep0_next_event != DWC3_EP0_NRDY_STATUS) in dwc3_ep0_xfernotready()
1119 dwc->ep0state = EP0_STATUS_PHASE; in dwc3_ep0_xfernotready()
1121 if (dwc->delayed_status) { in dwc3_ep0_xfernotready()
1122 struct dwc3_ep *dep = dwc->eps[0]; in dwc3_ep0_xfernotready()
1131 dwc->delayed_status = false; in dwc3_ep0_xfernotready()
1132 usb_gadget_set_state(dwc->gadget, in dwc3_ep0_xfernotready()
1134 dwc3_ep0_do_control_status(dwc, event); in dwc3_ep0_xfernotready()
1140 dwc3_ep0_do_control_status(dwc, event); in dwc3_ep0_xfernotready()
1144 void dwc3_ep0_interrupt(struct dwc3 *dwc, in dwc3_ep0_interrupt() argument
1147 struct dwc3_ep *dep = dwc->eps[event->endpoint_number]; in dwc3_ep0_interrupt()
1152 dwc3_ep0_xfer_complete(dwc, event); in dwc3_ep0_interrupt()
1156 dwc3_ep0_xfernotready(dwc, event); in dwc3_ep0_interrupt()