Lines Matching defs: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,
33 static int dwc3_ep0_delegate_req(struct dwc3 *dwc,
40 struct dwc3 *dwc;
42 dwc = dep->dwc;
43 trb = &dwc->ep0_trb[dep->trb_enqueue];
68 struct dwc3 *dwc;
74 dwc = dep->dwc;
77 params.param0 = upper_32_bits(dwc->ep0_trb_addr);
78 params.param1 = lower_32_bits(dwc->ep0_trb_addr);
84 dwc->ep0_next_event = DWC3_EP0_COMPLETE;
92 struct dwc3 *dwc = dep->dwc;
114 if (dwc->ep0state != EP0_DATA_PHASE) {
115 dev_WARN(dwc->dev, "Unexpected pending request\n");
119 __dwc3_ep0_do_control_data(dwc, dwc->eps[direction], req);
131 if (dwc->delayed_status) {
134 direction = !dwc->ep0_expect_in;
135 dwc->delayed_status = false;
136 usb_gadget_set_state(dwc->gadget, USB_STATE_CONFIGURED);
138 if (dwc->ep0state == EP0_STATUS_PHASE)
139 __dwc3_ep0_do_control_status(dwc, dwc->eps[direction]);
176 if (dwc->three_stage_setup) {
179 direction = dwc->ep0_expect_in;
180 dwc->ep0state = EP0_DATA_PHASE;
182 __dwc3_ep0_do_control_data(dwc, dwc->eps[direction], req);
195 struct dwc3 *dwc = dep->dwc;
201 spin_lock_irqsave(&dwc->lock, flags);
202 if (!dep->endpoint.desc || !dwc->pullups_connected || !dwc->connected) {
203 dev_err(dwc->dev, "%s: can't queue to disabled endpoint\n",
218 spin_unlock_irqrestore(&dwc->lock, flags);
223 void dwc3_ep0_stall_and_restart(struct dwc3 *dwc)
228 dep = dwc->eps[1];
232 dep = dwc->eps[0];
235 dwc->delayed_status = false;
241 if (!dwc->connected)
247 dwc->eps[0]->trb_enqueue = 0;
248 dwc->eps[1]->trb_enqueue = 0;
249 dwc->ep0state = EP0_SETUP_PHASE;
250 dwc3_ep0_out_start(dwc);
256 struct dwc3 *dwc = dep->dwc;
258 dwc3_ep0_stall_and_restart(dwc);
266 struct dwc3 *dwc = dep->dwc;
270 spin_lock_irqsave(&dwc->lock, flags);
272 spin_unlock_irqrestore(&dwc->lock, flags);
277 void dwc3_ep0_out_start(struct dwc3 *dwc)
283 complete(&dwc->ep0_in_setup);
285 dep = dwc->eps[0];
286 dwc3_ep0_prepare_one_trb(dep, dwc->ep0_trb_addr, 8,
293 dwc3_ep = dwc->eps[i];
301 if (dwc->connected)
304 dwc3_remove_requests(dwc, dwc3_ep, -ESHUTDOWN);
308 static struct dwc3_ep *dwc3_wIndex_to_dep(struct dwc3 *dwc, __le16 wIndex_le)
318 dep = dwc->eps[epnum];
334 static int dwc3_ep0_handle_status(struct dwc3 *dwc,
355 usb_status |= dwc->gadget->is_selfpowered;
357 if ((dwc->speed == DWC3_DSTS_SUPERSPEED) ||
358 (dwc->speed == DWC3_DSTS_SUPERSPEED_PLUS)) {
359 reg = dwc3_readl(dwc->regs, DWC3_DCTL);
365 usb_status |= dwc->gadget->wakeup_armed <<
376 return dwc3_ep0_delegate_req(dwc, ctrl);
379 dep = dwc3_wIndex_to_dep(dwc, ctrl->wIndex);
390 response_pkt = (__le16 *) dwc->setup_buf;
393 dep = dwc->eps[0];
394 dwc->ep0_usb_req.dep = dep;
395 dwc->ep0_usb_req.request.length = sizeof(*response_pkt);
396 dwc->ep0_usb_req.request.buf = dwc->setup_buf;
397 dwc->ep0_usb_req.request.complete = dwc3_ep0_status_cmpl;
399 return __dwc3_gadget_ep0_queue(dep, &dwc->ep0_usb_req);
402 static int dwc3_ep0_handle_u1(struct dwc3 *dwc, enum usb_device_state state,
409 if ((dwc->speed != DWC3_DSTS_SUPERSPEED) &&
410 (dwc->speed != DWC3_DSTS_SUPERSPEED_PLUS))
412 if (set && dwc->dis_u1_entry_quirk)
415 reg = dwc3_readl(dwc->regs, DWC3_DCTL);
420 dwc3_writel(dwc->regs, DWC3_DCTL, reg);
425 static int dwc3_ep0_handle_u2(struct dwc3 *dwc, enum usb_device_state state,
433 if ((dwc->speed != DWC3_DSTS_SUPERSPEED) &&
434 (dwc->speed != DWC3_DSTS_SUPERSPEED_PLUS))
436 if (set && dwc->dis_u2_entry_quirk)
439 reg = dwc3_readl(dwc->regs, DWC3_DCTL);
444 dwc3_writel(dwc->regs, DWC3_DCTL, reg);
449 static int dwc3_ep0_handle_test(struct dwc3 *dwc, enum usb_device_state state,
463 dwc->test_mode_nr = wIndex >> 8;
464 dwc->test_mode = true;
473 static int dwc3_ep0_handle_device(struct dwc3 *dwc,
483 state = dwc->gadget->state;
487 if (dwc->wakeup_configured)
488 dwc->gadget->wakeup_armed = set;
497 ret = dwc3_ep0_handle_u1(dwc, state, set);
500 ret = dwc3_ep0_handle_u2(dwc, state, set);
506 ret = dwc3_ep0_handle_test(dwc, state, wIndex, set);
515 static int dwc3_ep0_handle_intf(struct dwc3 *dwc,
525 ret = dwc3_ep0_delegate_req(dwc, ctrl);
534 static int dwc3_ep0_handle_endpoint(struct dwc3 *dwc,
545 dep = dwc3_wIndex_to_dep(dwc, ctrl->wIndex);
568 static int dwc3_ep0_handle_feature(struct dwc3 *dwc,
578 ret = dwc3_ep0_handle_device(dwc, ctrl, set);
581 ret = dwc3_ep0_handle_intf(dwc, ctrl, set);
584 ret = dwc3_ep0_handle_endpoint(dwc, ctrl, set);
593 static int dwc3_ep0_set_address(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
595 enum usb_device_state state = dwc->gadget->state;
601 dev_err(dwc->dev, "invalid device address %d\n", addr);
606 dev_err(dwc->dev, "can't SetAddress() from Configured State\n");
610 reg = dwc3_readl(dwc->regs, DWC3_DCFG);
613 dwc3_writel(dwc->regs, DWC3_DCFG, reg);
616 usb_gadget_set_state(dwc->gadget, USB_STATE_ADDRESS);
618 usb_gadget_set_state(dwc->gadget, USB_STATE_DEFAULT);
623 static int dwc3_ep0_delegate_req(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
627 if (dwc->async_callbacks) {
628 spin_unlock(&dwc->lock);
629 ret = dwc->gadget_driver->setup(dwc->gadget, ctrl);
630 spin_lock(&dwc->lock);
635 static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
637 enum usb_device_state state = dwc->gadget->state;
649 dwc3_gadget_clear_tx_fifos(dwc);
651 ret = dwc3_ep0_delegate_req(dwc, ctrl);
662 usb_gadget_set_state(dwc->gadget,
669 reg = dwc3_readl(dwc->regs, DWC3_DCTL);
670 if (!dwc->dis_u1_entry_quirk)
672 if (!dwc->dis_u2_entry_quirk)
674 dwc3_writel(dwc->regs, DWC3_DCTL, reg);
679 ret = dwc3_ep0_delegate_req(dwc, ctrl);
681 usb_gadget_set_state(dwc->gadget,
693 struct dwc3 *dwc = dep->dwc;
709 dwc->u1sel = timing.u1sel;
710 dwc->u1pel = timing.u1pel;
711 dwc->u2sel = le16_to_cpu(timing.u2sel);
712 dwc->u2pel = le16_to_cpu(timing.u2pel);
714 reg = dwc3_readl(dwc->regs, DWC3_DCTL);
716 param = dwc->u2pel;
718 param = dwc->u1pel;
729 ret = dwc3_send_gadget_generic_command(dwc,
734 static int dwc3_ep0_set_sel(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
737 enum usb_device_state state = dwc->gadget->state;
746 dev_err(dwc->dev, "Set SEL should be 6 bytes, got %d\n",
759 dep = dwc->eps[0];
760 dwc->ep0_usb_req.dep = dep;
761 dwc->ep0_usb_req.request.length = dep->endpoint.maxpacket;
762 dwc->ep0_usb_req.request.buf = dwc->setup_buf;
763 dwc->ep0_usb_req.request.complete = dwc3_ep0_set_sel_cmpl;
765 return __dwc3_gadget_ep0_queue(dep, &dwc->ep0_usb_req);
768 static int dwc3_ep0_set_isoch_delay(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
781 dwc->gadget->isoch_delay = wValue;
786 static int dwc3_ep0_std_request(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
792 ret = dwc3_ep0_handle_status(dwc, ctrl);
795 ret = dwc3_ep0_handle_feature(dwc, ctrl, 0);
798 ret = dwc3_ep0_handle_feature(dwc, ctrl, 1);
801 ret = dwc3_ep0_set_address(dwc, ctrl);
804 ret = dwc3_ep0_set_config(dwc, ctrl);
807 ret = dwc3_ep0_set_sel(dwc, ctrl);
810 ret = dwc3_ep0_set_isoch_delay(dwc, ctrl);
813 ret = dwc3_ep0_delegate_req(dwc, ctrl);
820 static void dwc3_ep0_inspect_setup(struct dwc3 *dwc,
823 struct usb_ctrlrequest *ctrl = (void *) dwc->ep0_trb;
827 if (!dwc->gadget_driver || !dwc->softconnect || !dwc->connected)
834 dwc->three_stage_setup = false;
835 dwc->ep0_expect_in = false;
836 dwc->ep0_next_event = DWC3_EP0_NRDY_STATUS;
838 dwc->three_stage_setup = true;
839 dwc->ep0_expect_in = !!(ctrl->bRequestType & USB_DIR_IN);
840 dwc->ep0_next_event = DWC3_EP0_NRDY_DATA;
844 ret = dwc3_ep0_std_request(dwc, ctrl);
846 ret = dwc3_ep0_delegate_req(dwc, ctrl);
849 dwc->delayed_status = true;
853 dwc3_ep0_stall_and_restart(dwc);
856 static void dwc3_ep0_complete_data(struct dwc3 *dwc,
869 ep0 = dwc->eps[0];
871 dwc->ep0_next_event = DWC3_EP0_NRDY_STATUS;
872 trb = dwc->ep0_trb;
881 dwc->setup_packet_pending = true;
895 ur->length && ur->zero) || dwc->ep0_bounced) {
901 dwc->eps[1]->trb_enqueue = 0;
903 dwc->eps[0]->trb_enqueue = 0;
905 dwc->ep0_bounced = false;
909 dwc3_ep0_stall_and_restart(dwc);
914 static void dwc3_ep0_complete_status(struct dwc3 *dwc,
922 dep = dwc->eps[0];
923 trb = dwc->ep0_trb;
933 if (dwc->test_mode) {
936 ret = dwc3_gadget_set_test_mode(dwc, dwc->test_mode_nr);
938 dev_err(dwc->dev, "invalid test #%d\n",
939 dwc->test_mode_nr);
940 dwc3_ep0_stall_and_restart(dwc);
947 dwc->setup_packet_pending = true;
949 dwc->ep0state = EP0_SETUP_PHASE;
950 dwc3_ep0_out_start(dwc);
953 static void dwc3_ep0_xfer_complete(struct dwc3 *dwc,
956 struct dwc3_ep *dep = dwc->eps[event->endpoint_number];
960 dwc->setup_packet_pending = false;
962 switch (dwc->ep0state) {
964 dwc3_ep0_inspect_setup(dwc, event);
968 dwc3_ep0_complete_data(dwc, event);
972 dwc3_ep0_complete_status(dwc, event);
975 WARN(true, "UNKNOWN ep0state %d\n", dwc->ep0state);
979 static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
991 dwc3_ep0_prepare_one_trb(dep, dwc->bounce_addr, trb_length,
999 ret = usb_gadget_map_request_by_dev(dwc->sysdev,
1006 dwc->ep0_bounced = true;
1014 req->trb = &dwc->ep0_trb[dep->trb_enqueue - 1];
1017 dwc3_ep0_prepare_one_trb(dep, dwc->bounce_addr,
1025 ret = usb_gadget_map_request_by_dev(dwc->sysdev,
1036 req->trb = &dwc->ep0_trb[dep->trb_enqueue - 1];
1042 dwc3_ep0_prepare_one_trb(dep, dwc->bounce_addr,
1047 ret = usb_gadget_map_request_by_dev(dwc->sysdev,
1056 req->trb = &dwc->ep0_trb[dep->trb_enqueue];
1066 struct dwc3 *dwc = dep->dwc;
1069 type = dwc->three_stage_setup ? DWC3_TRBCTL_CONTROL_STATUS3
1072 dwc3_ep0_prepare_one_trb(dep, dwc->ep0_trb_addr, 0, type, false);
1076 static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep)
1081 static void dwc3_ep0_do_control_status(struct dwc3 *dwc,
1084 struct dwc3_ep *dep = dwc->eps[event->endpoint_number];
1086 __dwc3_ep0_do_control_status(dwc, dep);
1089 void dwc3_ep0_send_delayed_status(struct dwc3 *dwc)
1091 unsigned int direction = !dwc->ep0_expect_in;
1093 dwc->delayed_status = false;
1094 dwc->clear_stall_protocol = 0;
1096 if (dwc->ep0state != EP0_STATUS_PHASE)
1099 __dwc3_ep0_do_control_status(dwc, dwc->eps[direction]);
1102 void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep)
1125 static void dwc3_ep0_xfernotready(struct dwc3 *dwc,
1130 if (!dwc->softconnect || !dwc->connected)
1141 if (dwc->ep0_expect_in != event->endpoint_number) {
1142 struct dwc3_ep *dep = dwc->eps[dwc->ep0_expect_in];
1144 dev_err(dwc->dev, "unexpected direction for Data Phase\n");
1145 dwc3_ep0_end_control_data(dwc, dep);
1146 dwc3_ep0_stall_and_restart(dwc);
1153 if (dwc->ep0_next_event != DWC3_EP0_NRDY_STATUS)
1156 if (dwc->setup_packet_pending) {
1157 dwc3_ep0_stall_and_restart(dwc);
1161 dwc->ep0state = EP0_STATUS_PHASE;
1163 if (dwc->delayed_status) {
1164 struct dwc3_ep *dep = dwc->eps[0];
1173 dwc->delayed_status = false;
1174 usb_gadget_set_state(dwc->gadget,
1176 dwc3_ep0_do_control_status(dwc, event);
1182 dwc3_ep0_do_control_status(dwc, event);
1186 void dwc3_ep0_interrupt(struct dwc3 *dwc,
1189 struct dwc3_ep *dep = dwc->eps[event->endpoint_number];
1194 dwc3_ep0_xfer_complete(dwc, event);
1198 dwc3_ep0_xfernotready(dwc, event);
1214 dev_err(dwc->dev, "unknown endpoint event %d\n", event->endpoint_event);