Lines Matching +full:tegra210 +full:- +full:timer
1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (c) 2013-2019, NVIDIA CORPORATION. All rights reserved.
12 #include <linux/dma-mapping.h>
247 return (le32_to_cpu(ctx->member) >> (shift)) & (mask); \
254 tmp = le32_to_cpu(ctx->member) & ~((mask) << (shift)); \
256 ctx->member = cpu_to_le32(tmp); \
339 return (le32_to_cpu(trb->member) >> (shift)) & (mask); \
346 tmp = le32_to_cpu(trb->member) & ~((mask) << (shift)); \
348 trb->member = cpu_to_le32(tmp); \
563 return readl(xudc->fpci + offset); in fpci_readl()
569 writel(val, xudc->fpci + offset); in fpci_writel()
574 return readl(xudc->ipfs + offset); in ipfs_readl()
580 writel(val, xudc->ipfs + offset); in ipfs_writel()
585 return readl(xudc->base + offset); in xudc_readl()
591 writel(val, xudc->base + offset); in xudc_writel()
599 return readl_poll_timeout_atomic(xudc->base + offset, regval, in xudc_readl_poll()
621 dev_dbg(xudc->dev, in dump_trb()
623 type, trb, trb->data_lo, trb->data_hi, trb->status, in dump_trb()
624 trb->control); in dump_trb()
703 pm_runtime_get_sync(xudc->dev); in tegra_xudc_device_mode_on()
705 err = phy_power_on(xudc->curr_utmi_phy); in tegra_xudc_device_mode_on()
707 dev_err(xudc->dev, "UTMI power on failed: %d\n", err); in tegra_xudc_device_mode_on()
709 err = phy_power_on(xudc->curr_usb3_phy); in tegra_xudc_device_mode_on()
711 dev_err(xudc->dev, "USB3 PHY power on failed: %d\n", err); in tegra_xudc_device_mode_on()
713 dev_dbg(xudc->dev, "device mode on\n"); in tegra_xudc_device_mode_on()
715 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_device_mode_on()
725 dev_dbg(xudc->dev, "device mode off\n"); in tegra_xudc_device_mode_off()
729 reinit_completion(&xudc->disconnect_complete); in tegra_xudc_device_mode_off()
731 if (xudc->soc->port_speed_quirk) in tegra_xudc_device_mode_off()
734 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, USB_ROLE_NONE); in tegra_xudc_device_mode_off()
740 if (xudc->soc->pls_quirk && xudc->gadget.speed == USB_SPEED_SUPER && in tegra_xudc_device_mode_off()
754 wait_for_completion(&xudc->disconnect_complete); in tegra_xudc_device_mode_off()
757 synchronize_irq(xudc->irq); in tegra_xudc_device_mode_off()
759 err = phy_power_off(xudc->curr_utmi_phy); in tegra_xudc_device_mode_off()
761 dev_err(xudc->dev, "UTMI PHY power off failed: %d\n", err); in tegra_xudc_device_mode_off()
763 err = phy_power_off(xudc->curr_usb3_phy); in tegra_xudc_device_mode_off()
765 dev_err(xudc->dev, "USB3 PHY power off failed: %d\n", err); in tegra_xudc_device_mode_off()
767 pm_runtime_put(xudc->dev); in tegra_xudc_device_mode_off()
775 if (xudc->device_mode) in tegra_xudc_usb_role_sw_work()
786 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_get_phy_index()
787 if (xudc->usbphy[i] && usbphy == xudc->usbphy[i]) in tegra_xudc_get_phy_index()
791 dev_info(xudc->dev, "phy index could not be found for shared USB PHY"); in tegra_xudc_get_phy_index()
792 return -1; in tegra_xudc_get_phy_index()
803 dev_dbg(xudc->dev, "%s(): event is %d\n", __func__, usbphy->last_event); in tegra_xudc_vbus_notify()
805 if ((xudc->device_mode && usbphy->last_event == USB_EVENT_VBUS) || in tegra_xudc_vbus_notify()
806 (!xudc->device_mode && usbphy->last_event != USB_EVENT_VBUS)) { in tegra_xudc_vbus_notify()
807 dev_dbg(xudc->dev, "Same role(%d) received. Ignore", in tegra_xudc_vbus_notify()
808 xudc->device_mode); in tegra_xudc_vbus_notify()
812 xudc->device_mode = (usbphy->last_event == USB_EVENT_VBUS) ? true : in tegra_xudc_vbus_notify()
816 dev_dbg(xudc->dev, "%s(): current phy index is %d\n", __func__, in tegra_xudc_vbus_notify()
819 if (!xudc->suspended && phy_index != -1) { in tegra_xudc_vbus_notify()
820 xudc->curr_utmi_phy = xudc->utmi_phy[phy_index]; in tegra_xudc_vbus_notify()
821 xudc->curr_usb3_phy = xudc->usb3_phy[phy_index]; in tegra_xudc_vbus_notify()
822 xudc->curr_usbphy = usbphy; in tegra_xudc_vbus_notify()
823 schedule_work(&xudc->usb_role_sw_work); in tegra_xudc_vbus_notify()
836 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_plc_reset_work()
838 if (xudc->wait_csc) { in tegra_xudc_plc_reset_work()
843 dev_info(xudc->dev, "PLS = Inactive. Toggle VBUS\n"); in tegra_xudc_plc_reset_work()
844 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_plc_reset_work()
846 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_plc_reset_work()
849 xudc->wait_csc = false; in tegra_xudc_plc_reset_work()
853 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_plc_reset_work()
865 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_port_reset_war_work()
867 if (xudc->device_mode && xudc->wait_for_sec_prc) { in tegra_xudc_port_reset_war_work()
870 dev_dbg(xudc->dev, "pls = %x\n", pls); in tegra_xudc_port_reset_war_work()
873 dev_dbg(xudc->dev, "toggle vbus\n"); in tegra_xudc_port_reset_war_work()
876 xudc->curr_utmi_phy); in tegra_xudc_port_reset_war_work()
878 xudc->wait_for_sec_prc = 0; in tegra_xudc_port_reset_war_work()
882 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_port_reset_war_work()
890 index = trb - ep->transfer_ring; in trb_virt_to_phys()
895 return (ep->transfer_ring_phys + index * sizeof(*trb)); in trb_virt_to_phys()
904 index = (addr - ep->transfer_ring_phys) / sizeof(*trb); in trb_phys_to_virt()
909 trb = &ep->transfer_ring[index]; in trb_phys_to_virt()
1023 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_req_done()
1025 dev_dbg(xudc->dev, "completing request %p on EP %u with status %d\n", in tegra_xudc_req_done()
1026 req, ep->index, status); in tegra_xudc_req_done()
1028 if (likely(req->usb_req.status == -EINPROGRESS)) in tegra_xudc_req_done()
1029 req->usb_req.status = status; in tegra_xudc_req_done()
1031 list_del_init(&req->list); in tegra_xudc_req_done()
1033 if (usb_endpoint_xfer_control(ep->desc)) { in tegra_xudc_req_done()
1034 usb_gadget_unmap_request(&xudc->gadget, &req->usb_req, in tegra_xudc_req_done()
1035 (xudc->setup_state == in tegra_xudc_req_done()
1038 usb_gadget_unmap_request(&xudc->gadget, &req->usb_req, in tegra_xudc_req_done()
1039 usb_endpoint_dir_in(ep->desc)); in tegra_xudc_req_done()
1042 spin_unlock(&xudc->lock); in tegra_xudc_req_done()
1043 usb_gadget_giveback_request(&ep->usb_ep, &req->usb_req); in tegra_xudc_req_done()
1044 spin_lock(&xudc->lock); in tegra_xudc_req_done()
1051 while (!list_empty(&ep->queue)) { in tegra_xudc_ep_nuke()
1052 req = list_first_entry(&ep->queue, struct tegra_xudc_request, in tegra_xudc_ep_nuke()
1060 if (ep->ring_full) in ep_available_trbs()
1063 if (ep->deq_ptr > ep->enq_ptr) in ep_available_trbs()
1064 return ep->deq_ptr - ep->enq_ptr - 1; in ep_available_trbs()
1066 return XUDC_TRANSFER_RING_SIZE - (ep->enq_ptr - ep->deq_ptr) - 2; in ep_available_trbs()
1074 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_queue_one_trb()
1078 len = min_t(size_t, XUDC_TRB_MAX_BUFFER_SIZE, req->usb_req.length - in tegra_xudc_queue_one_trb()
1079 req->buf_queued); in tegra_xudc_queue_one_trb()
1081 buf_addr = req->usb_req.dma + req->buf_queued; in tegra_xudc_queue_one_trb()
1088 trb_write_td_size(trb, req->trbs_needed - req->trbs_queued - 1); in tegra_xudc_queue_one_trb()
1090 if (req->trbs_queued == req->trbs_needed - 1 || in tegra_xudc_queue_one_trb()
1091 (req->need_zlp && req->trbs_queued == req->trbs_needed - 2)) in tegra_xudc_queue_one_trb()
1098 if (usb_endpoint_dir_out(ep->desc) || in tegra_xudc_queue_one_trb()
1099 (usb_endpoint_xfer_control(ep->desc) && in tegra_xudc_queue_one_trb()
1100 (xudc->setup_state == DATA_STAGE_RECV))) in tegra_xudc_queue_one_trb()
1105 if (usb_endpoint_xfer_control(ep->desc)) { in tegra_xudc_queue_one_trb()
1106 if (xudc->setup_state == DATA_STAGE_XFER || in tegra_xudc_queue_one_trb()
1107 xudc->setup_state == DATA_STAGE_RECV) in tegra_xudc_queue_one_trb()
1112 if (xudc->setup_state == DATA_STAGE_XFER || in tegra_xudc_queue_one_trb()
1113 xudc->setup_state == STATUS_STAGE_XFER) in tegra_xudc_queue_one_trb()
1117 } else if (usb_endpoint_xfer_isoc(ep->desc)) { in tegra_xudc_queue_one_trb()
1122 } else if (usb_ss_max_streams(ep->comp_desc)) { in tegra_xudc_queue_one_trb()
1124 trb_write_stream_id(trb, req->usb_req.stream_id); in tegra_xudc_queue_one_trb()
1130 trb_write_cycle(trb, ep->pcs); in tegra_xudc_queue_one_trb()
1132 req->trbs_queued++; in tegra_xudc_queue_one_trb()
1133 req->buf_queued += len; in tegra_xudc_queue_one_trb()
1145 count = req->trbs_needed - req->trbs_queued; in tegra_xudc_queue_trbs()
1148 ep->ring_full = true; in tegra_xudc_queue_trbs()
1152 * To generate zero-length packet on USB bus, SW needs schedule a in tegra_xudc_queue_trbs()
1153 * standalone zero-length TD. According to HW's behavior, SW needs in tegra_xudc_queue_trbs()
1157 * - Data stage TD (IOC = 1, CH = 0) in tegra_xudc_queue_trbs()
1158 * - Ring doorbell and wait transfer event in tegra_xudc_queue_trbs()
1159 * - Data stage TD for ZLP (IOC = 1, CH = 0) in tegra_xudc_queue_trbs()
1160 * - Ring doorbell in tegra_xudc_queue_trbs()
1163 * - Normal transfer TD (IOC = 0, CH = 0) in tegra_xudc_queue_trbs()
1164 * - Normal transfer TD for ZLP (IOC = 1, CH = 0) in tegra_xudc_queue_trbs()
1165 * - Ring doorbell in tegra_xudc_queue_trbs()
1168 if (req->need_zlp && usb_endpoint_xfer_control(ep->desc) && count > 1) in tegra_xudc_queue_trbs()
1171 if (!req->first_trb) in tegra_xudc_queue_trbs()
1172 req->first_trb = &ep->transfer_ring[ep->enq_ptr]; in tegra_xudc_queue_trbs()
1175 struct tegra_xudc_trb *trb = &ep->transfer_ring[ep->enq_ptr]; in tegra_xudc_queue_trbs()
1178 if ((i == count - 1) || (wait_td && i == count - 2)) in tegra_xudc_queue_trbs()
1182 req->last_trb = trb; in tegra_xudc_queue_trbs()
1184 ep->enq_ptr++; in tegra_xudc_queue_trbs()
1185 if (ep->enq_ptr == XUDC_TRANSFER_RING_SIZE - 1) { in tegra_xudc_queue_trbs()
1186 trb = &ep->transfer_ring[ep->enq_ptr]; in tegra_xudc_queue_trbs()
1187 trb_write_cycle(trb, ep->pcs); in tegra_xudc_queue_trbs()
1188 ep->pcs = !ep->pcs; in tegra_xudc_queue_trbs()
1189 ep->enq_ptr = 0; in tegra_xudc_queue_trbs()
1201 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_ep_ring_doorbell()
1204 if (list_empty(&ep->queue)) in tegra_xudc_ep_ring_doorbell()
1207 val = DB_TARGET(ep->index); in tegra_xudc_ep_ring_doorbell()
1208 if (usb_endpoint_xfer_control(ep->desc)) { in tegra_xudc_ep_ring_doorbell()
1209 val |= DB_STREAMID(xudc->setup_seq_num); in tegra_xudc_ep_ring_doorbell()
1210 } else if (usb_ss_max_streams(ep->comp_desc) > 0) { in tegra_xudc_ep_ring_doorbell()
1214 if (ep->stream_rejected) in tegra_xudc_ep_ring_doorbell()
1217 req = list_first_entry(&ep->queue, struct tegra_xudc_request, in tegra_xudc_ep_ring_doorbell()
1219 val |= DB_STREAMID(req->usb_req.stream_id); in tegra_xudc_ep_ring_doorbell()
1222 dev_dbg(xudc->dev, "ring doorbell: %#x\n", val); in tegra_xudc_ep_ring_doorbell()
1231 list_for_each_entry(req, &ep->queue, list) { in tegra_xudc_ep_kick_queue()
1232 if (ep->ring_full) in tegra_xudc_ep_kick_queue()
1246 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_queue()
1249 if (usb_endpoint_xfer_control(ep->desc) && !list_empty(&ep->queue)) { in __tegra_xudc_ep_queue()
1250 dev_err(xudc->dev, "control EP has pending transfers\n"); in __tegra_xudc_ep_queue()
1251 return -EINVAL; in __tegra_xudc_ep_queue()
1254 if (usb_endpoint_xfer_control(ep->desc)) { in __tegra_xudc_ep_queue()
1255 err = usb_gadget_map_request(&xudc->gadget, &req->usb_req, in __tegra_xudc_ep_queue()
1256 (xudc->setup_state == in __tegra_xudc_ep_queue()
1259 err = usb_gadget_map_request(&xudc->gadget, &req->usb_req, in __tegra_xudc_ep_queue()
1260 usb_endpoint_dir_in(ep->desc)); in __tegra_xudc_ep_queue()
1264 dev_err(xudc->dev, "failed to map request: %d\n", err); in __tegra_xudc_ep_queue()
1268 req->first_trb = NULL; in __tegra_xudc_ep_queue()
1269 req->last_trb = NULL; in __tegra_xudc_ep_queue()
1270 req->buf_queued = 0; in __tegra_xudc_ep_queue()
1271 req->trbs_queued = 0; in __tegra_xudc_ep_queue()
1272 req->need_zlp = false; in __tegra_xudc_ep_queue()
1273 req->trbs_needed = DIV_ROUND_UP(req->usb_req.length, in __tegra_xudc_ep_queue()
1275 if (req->usb_req.length == 0) in __tegra_xudc_ep_queue()
1276 req->trbs_needed++; in __tegra_xudc_ep_queue()
1278 if (!usb_endpoint_xfer_isoc(ep->desc) && in __tegra_xudc_ep_queue()
1279 req->usb_req.zero && req->usb_req.length && in __tegra_xudc_ep_queue()
1280 ((req->usb_req.length % ep->usb_ep.maxpacket) == 0)) { in __tegra_xudc_ep_queue()
1281 req->trbs_needed++; in __tegra_xudc_ep_queue()
1282 req->need_zlp = true; in __tegra_xudc_ep_queue()
1285 req->usb_req.status = -EINPROGRESS; in __tegra_xudc_ep_queue()
1286 req->usb_req.actual = 0; in __tegra_xudc_ep_queue()
1288 list_add_tail(&req->list, &ep->queue); in __tegra_xudc_ep_queue()
1306 return -EINVAL; in tegra_xudc_ep_queue()
1310 xudc = ep->xudc; in tegra_xudc_ep_queue()
1312 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_queue()
1313 if (xudc->powergated || !ep->desc) { in tegra_xudc_ep_queue()
1314 ret = -ESHUTDOWN; in tegra_xudc_ep_queue()
1320 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_queue()
1328 struct tegra_xudc_trb *trb = req->first_trb; in squeeze_transfer_ring()
1334 * and must correct trb cycle bit to the last un-enqueued state. in squeeze_transfer_ring()
1336 while (trb != &ep->transfer_ring[ep->enq_ptr]) { in squeeze_transfer_ring()
1343 trb = ep->transfer_ring; in squeeze_transfer_ring()
1346 /* Requests will be re-queued at the start of the cancelled request. */ in squeeze_transfer_ring()
1347 ep->enq_ptr = req->first_trb - ep->transfer_ring; in squeeze_transfer_ring()
1352 ep->pcs = pcs_enq; in squeeze_transfer_ring()
1353 ep->ring_full = false; in squeeze_transfer_ring()
1354 list_for_each_entry_continue(req, &ep->queue, list) { in squeeze_transfer_ring()
1355 req->usb_req.status = -EINPROGRESS; in squeeze_transfer_ring()
1356 req->usb_req.actual = 0; in squeeze_transfer_ring()
1358 req->first_trb = NULL; in squeeze_transfer_ring()
1359 req->last_trb = NULL; in squeeze_transfer_ring()
1360 req->buf_queued = 0; in squeeze_transfer_ring()
1361 req->trbs_queued = 0; in squeeze_transfer_ring()
1373 dev_dbg(ep->xudc->dev, "%s: request %p -> %p; trb %p\n", __func__, in trb_in_request()
1374 req->first_trb, req->last_trb, trb); in trb_in_request()
1376 if (trb >= req->first_trb && (trb <= req->last_trb || in trb_in_request()
1377 req->last_trb < req->first_trb)) in trb_in_request()
1380 if (trb < req->first_trb && trb <= req->last_trb && in trb_in_request()
1381 req->last_trb < req->first_trb) in trb_in_request()
1395 struct tegra_xudc_trb *enq_trb = &ep->transfer_ring[ep->enq_ptr]; in trb_before_request()
1397 dev_dbg(ep->xudc->dev, "%s: request %p -> %p; enq ptr: %p; trb %p\n", in trb_before_request()
1398 __func__, req->first_trb, req->last_trb, enq_trb, trb); in trb_before_request()
1400 if (trb < req->first_trb && (enq_trb <= trb || in trb_before_request()
1401 req->first_trb < enq_trb)) in trb_before_request()
1404 if (trb > req->first_trb && req->first_trb < enq_trb && enq_trb <= trb) in trb_before_request()
1414 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_dequeue()
1421 list_for_each_entry(r, &ep->queue, list) { in __tegra_xudc_ep_dequeue()
1427 return -EINVAL; in __tegra_xudc_ep_dequeue()
1430 if (!req->trbs_queued) { in __tegra_xudc_ep_dequeue()
1431 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1436 if (ep_ctx_read_state(ep->context) == EP_STATE_RUNNING) { in __tegra_xudc_ep_dequeue()
1437 ep_pause(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1438 ep_wait_for_inactive(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1441 deq_trb = trb_phys_to_virt(ep, ep_ctx_read_deq_ptr(ep->context)); in __tegra_xudc_ep_dequeue()
1443 busy = (trb_read_cycle(deq_trb) == ep_ctx_read_dcs(ep->context)); in __tegra_xudc_ep_dequeue()
1454 req->usb_req.actual = ep_ctx_read_edtla(ep->context); in __tegra_xudc_ep_dequeue()
1455 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1459 if (req->usb_req.actual > 0) { in __tegra_xudc_ep_dequeue()
1464 ep_ctx_write_edtla(ep->context, 0); in __tegra_xudc_ep_dequeue()
1465 ep_ctx_write_partial_td(ep->context, 0); in __tegra_xudc_ep_dequeue()
1466 ep_ctx_write_data_offset(ep->context, 0); in __tegra_xudc_ep_dequeue()
1469 &ep->transfer_ring[ep->enq_ptr]); in __tegra_xudc_ep_dequeue()
1471 if (dma_mapping_error(xudc->dev, deq_ptr)) { in __tegra_xudc_ep_dequeue()
1472 ret = -EINVAL; in __tegra_xudc_ep_dequeue()
1474 ep_ctx_write_deq_ptr(ep->context, deq_ptr); in __tegra_xudc_ep_dequeue()
1475 ep_ctx_write_dcs(ep->context, ep->pcs); in __tegra_xudc_ep_dequeue()
1476 ep_reload(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1483 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1490 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1491 ret = -EINVAL; in __tegra_xudc_ep_dequeue()
1495 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1513 return -EINVAL; in tegra_xudc_ep_dequeue()
1517 xudc = ep->xudc; in tegra_xudc_ep_dequeue()
1519 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_dequeue()
1521 if (xudc->powergated || !ep->desc) { in tegra_xudc_ep_dequeue()
1522 ret = -ESHUTDOWN; in tegra_xudc_ep_dequeue()
1528 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_dequeue()
1535 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_set_halt()
1537 if (!ep->desc) in __tegra_xudc_ep_set_halt()
1538 return -EINVAL; in __tegra_xudc_ep_set_halt()
1540 if (usb_endpoint_xfer_isoc(ep->desc)) { in __tegra_xudc_ep_set_halt()
1541 dev_err(xudc->dev, "can't halt isochronous EP\n"); in __tegra_xudc_ep_set_halt()
1542 return -ENOTSUPP; in __tegra_xudc_ep_set_halt()
1545 if (!!(xudc_readl(xudc, EP_HALT) & BIT(ep->index)) == halt) { in __tegra_xudc_ep_set_halt()
1546 dev_dbg(xudc->dev, "EP %u already %s\n", ep->index, in __tegra_xudc_ep_set_halt()
1552 ep_halt(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1554 ep_ctx_write_state(ep->context, EP_STATE_DISABLED); in __tegra_xudc_ep_set_halt()
1556 ep_reload(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1558 ep_ctx_write_state(ep->context, EP_STATE_RUNNING); in __tegra_xudc_ep_set_halt()
1559 ep_ctx_write_rsvd(ep->context, 0); in __tegra_xudc_ep_set_halt()
1560 ep_ctx_write_partial_td(ep->context, 0); in __tegra_xudc_ep_set_halt()
1561 ep_ctx_write_splitxstate(ep->context, 0); in __tegra_xudc_ep_set_halt()
1562 ep_ctx_write_seq_num(ep->context, 0); in __tegra_xudc_ep_set_halt()
1564 ep_reload(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1565 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1566 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1582 return -EINVAL; in tegra_xudc_ep_set_halt()
1585 xudc = ep->xudc; in tegra_xudc_ep_set_halt()
1587 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_set_halt()
1588 if (xudc->powergated) { in tegra_xudc_ep_set_halt()
1589 ret = -ESHUTDOWN; in tegra_xudc_ep_set_halt()
1593 if (value && usb_endpoint_dir_in(ep->desc) && in tegra_xudc_ep_set_halt()
1594 !list_empty(&ep->queue)) { in tegra_xudc_ep_set_halt()
1595 dev_err(xudc->dev, "can't halt EP with requests pending\n"); in tegra_xudc_ep_set_halt()
1596 ret = -EAGAIN; in tegra_xudc_ep_set_halt()
1602 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_set_halt()
1609 const struct usb_endpoint_descriptor *desc = ep->desc; in tegra_xudc_ep_context_setup()
1610 const struct usb_ss_ep_comp_descriptor *comp_desc = ep->comp_desc; in tegra_xudc_ep_context_setup()
1611 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_ep_context_setup()
1616 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep_context_setup()
1618 maxburst = comp_desc->bMaxBurst; in tegra_xudc_ep_context_setup()
1621 esit = le16_to_cpu(comp_desc->wBytesPerInterval); in tegra_xudc_ep_context_setup()
1622 } else if ((xudc->gadget.speed < USB_SPEED_SUPER) && in tegra_xudc_ep_context_setup()
1625 if (xudc->gadget.speed == USB_SPEED_HIGH) { in tegra_xudc_ep_context_setup()
1626 maxburst = usb_endpoint_maxp_mult(desc) - 1; in tegra_xudc_ep_context_setup()
1628 dev_warn(xudc->dev, in tegra_xudc_ep_context_setup()
1636 memset(ep->context, 0, sizeof(*ep->context)); in tegra_xudc_ep_context_setup()
1638 ep_ctx_write_state(ep->context, EP_STATE_RUNNING); in tegra_xudc_ep_context_setup()
1639 ep_ctx_write_interval(ep->context, desc->bInterval); in tegra_xudc_ep_context_setup()
1640 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep_context_setup()
1642 ep_ctx_write_mult(ep->context, in tegra_xudc_ep_context_setup()
1643 comp_desc->bmAttributes & 0x3); in tegra_xudc_ep_context_setup()
1647 ep_ctx_write_max_pstreams(ep->context, in tegra_xudc_ep_context_setup()
1648 comp_desc->bmAttributes & in tegra_xudc_ep_context_setup()
1650 ep_ctx_write_lsa(ep->context, 1); in tegra_xudc_ep_context_setup()
1659 ep_ctx_write_type(ep->context, val); in tegra_xudc_ep_context_setup()
1660 ep_ctx_write_cerr(ep->context, 0x3); in tegra_xudc_ep_context_setup()
1661 ep_ctx_write_max_packet_size(ep->context, maxpacket); in tegra_xudc_ep_context_setup()
1662 ep_ctx_write_max_burst_size(ep->context, maxburst); in tegra_xudc_ep_context_setup()
1664 ep_ctx_write_deq_ptr(ep->context, ep->transfer_ring_phys); in tegra_xudc_ep_context_setup()
1665 ep_ctx_write_dcs(ep->context, ep->pcs); in tegra_xudc_ep_context_setup()
1682 ep_ctx_write_avg_trb_len(ep->context, val); in tegra_xudc_ep_context_setup()
1683 ep_ctx_write_max_esit_payload(ep->context, esit); in tegra_xudc_ep_context_setup()
1685 ep_ctx_write_cerrcnt(ep->context, 0x3); in tegra_xudc_ep_context_setup()
1691 trb_write_data_ptr(trb, ep->transfer_ring_phys); in setup_link_trb()
1698 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_disable()
1700 if (ep_ctx_read_state(ep->context) == EP_STATE_DISABLED) { in __tegra_xudc_ep_disable()
1701 dev_err(xudc->dev, "endpoint %u already disabled\n", in __tegra_xudc_ep_disable()
1702 ep->index); in __tegra_xudc_ep_disable()
1703 return -EINVAL; in __tegra_xudc_ep_disable()
1706 ep_ctx_write_state(ep->context, EP_STATE_DISABLED); in __tegra_xudc_ep_disable()
1708 ep_reload(xudc, ep->index); in __tegra_xudc_ep_disable()
1710 tegra_xudc_ep_nuke(ep, -ESHUTDOWN); in __tegra_xudc_ep_disable()
1712 xudc->nr_enabled_eps--; in __tegra_xudc_ep_disable()
1713 if (usb_endpoint_xfer_isoc(ep->desc)) in __tegra_xudc_ep_disable()
1714 xudc->nr_isoch_eps--; in __tegra_xudc_ep_disable()
1716 ep->desc = NULL; in __tegra_xudc_ep_disable()
1717 ep->comp_desc = NULL; in __tegra_xudc_ep_disable()
1719 memset(ep->context, 0, sizeof(*ep->context)); in __tegra_xudc_ep_disable()
1721 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_disable()
1722 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_disable()
1723 if (xudc_readl(xudc, EP_STOPPED) & BIT(ep->index)) in __tegra_xudc_ep_disable()
1724 xudc_writel(xudc, BIT(ep->index), EP_STOPPED); in __tegra_xudc_ep_disable()
1727 * If this is the last endpoint disabled in a de-configure request, in __tegra_xudc_ep_disable()
1730 if ((xudc->device_state == USB_STATE_CONFIGURED) && in __tegra_xudc_ep_disable()
1731 (xudc->nr_enabled_eps == 1)) { in __tegra_xudc_ep_disable()
1734 xudc->device_state = USB_STATE_ADDRESS; in __tegra_xudc_ep_disable()
1735 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in __tegra_xudc_ep_disable()
1742 dev_info(xudc->dev, "ep %u disabled\n", ep->index); in __tegra_xudc_ep_disable()
1755 return -EINVAL; in tegra_xudc_ep_disable()
1758 xudc = ep->xudc; in tegra_xudc_ep_disable()
1760 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_disable()
1761 if (xudc->powergated) { in tegra_xudc_ep_disable()
1762 ret = -ESHUTDOWN; in tegra_xudc_ep_disable()
1768 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_disable()
1776 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_enable()
1780 if (xudc->gadget.speed == USB_SPEED_SUPER && in __tegra_xudc_ep_enable()
1781 !usb_endpoint_xfer_control(desc) && !ep->usb_ep.comp_desc) in __tegra_xudc_ep_enable()
1782 return -EINVAL; in __tegra_xudc_ep_enable()
1785 if (ep_ctx_read_state(ep->context) != EP_STATE_DISABLED) in __tegra_xudc_ep_enable()
1788 ep->desc = desc; in __tegra_xudc_ep_enable()
1789 ep->comp_desc = ep->usb_ep.comp_desc; in __tegra_xudc_ep_enable()
1792 if (xudc->nr_isoch_eps > XUDC_MAX_ISOCH_EPS) { in __tegra_xudc_ep_enable()
1793 dev_err(xudc->dev, "too many isochronous endpoints\n"); in __tegra_xudc_ep_enable()
1794 return -EBUSY; in __tegra_xudc_ep_enable()
1796 xudc->nr_isoch_eps++; in __tegra_xudc_ep_enable()
1799 memset(ep->transfer_ring, 0, XUDC_TRANSFER_RING_SIZE * in __tegra_xudc_ep_enable()
1800 sizeof(*ep->transfer_ring)); in __tegra_xudc_ep_enable()
1801 setup_link_trb(ep, &ep->transfer_ring[XUDC_TRANSFER_RING_SIZE - 1]); in __tegra_xudc_ep_enable()
1803 ep->enq_ptr = 0; in __tegra_xudc_ep_enable()
1804 ep->deq_ptr = 0; in __tegra_xudc_ep_enable()
1805 ep->pcs = true; in __tegra_xudc_ep_enable()
1806 ep->ring_full = false; in __tegra_xudc_ep_enable()
1807 xudc->nr_enabled_eps++; in __tegra_xudc_ep_enable()
1812 * No need to reload and un-halt EP0. This will be done automatically in __tegra_xudc_ep_enable()
1819 * Transition to configured state once the first non-control in __tegra_xudc_ep_enable()
1822 if (xudc->device_state == USB_STATE_ADDRESS) { in __tegra_xudc_ep_enable()
1827 xudc->device_state = USB_STATE_CONFIGURED; in __tegra_xudc_ep_enable()
1828 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in __tegra_xudc_ep_enable()
1836 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in __tegra_xudc_ep_enable()
1837 if (xudc->ep[i].desc && in __tegra_xudc_ep_enable()
1838 usb_endpoint_xfer_bulk(xudc->ep[i].desc)) in __tegra_xudc_ep_enable()
1843 ep_reload(xudc, ep->index); in __tegra_xudc_ep_enable()
1844 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_enable()
1845 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_enable()
1848 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in __tegra_xudc_ep_enable()
1849 if (xudc->ep[i].desc && in __tegra_xudc_ep_enable()
1850 usb_endpoint_xfer_bulk(xudc->ep[i].desc)) in __tegra_xudc_ep_enable()
1856 dev_info(xudc->dev, "EP %u (type: %s, dir: %s) enabled\n", ep->index, in __tegra_xudc_ep_enable()
1857 usb_ep_type_string(usb_endpoint_type(ep->desc)), in __tegra_xudc_ep_enable()
1858 usb_endpoint_dir_in(ep->desc) ? "in" : "out"); in __tegra_xudc_ep_enable()
1871 if (!usb_ep || !desc || (desc->bDescriptorType != USB_DT_ENDPOINT)) in tegra_xudc_ep_enable()
1872 return -EINVAL; in tegra_xudc_ep_enable()
1875 xudc = ep->xudc; in tegra_xudc_ep_enable()
1877 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_enable()
1878 if (xudc->powergated) { in tegra_xudc_ep_enable()
1879 ret = -ESHUTDOWN; in tegra_xudc_ep_enable()
1885 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_enable()
1899 INIT_LIST_HEAD(&req->list); in tegra_xudc_ep_alloc_request()
1901 return &req->usb_req; in tegra_xudc_ep_alloc_request()
1925 return -EBUSY; in tegra_xudc_ep0_enable()
1930 return -EBUSY; in tegra_xudc_ep0_disable()
1949 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_get_frame()
1950 if (xudc->powergated) { in tegra_xudc_gadget_get_frame()
1951 ret = -ESHUTDOWN; in tegra_xudc_gadget_get_frame()
1958 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_get_frame()
1978 if (xudc->device_state == USB_STATE_SUSPENDED) { in tegra_xudc_resume_device_state()
1979 xudc->device_state = xudc->resume_state; in tegra_xudc_resume_device_state()
1980 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_resume_device_state()
1981 xudc->resume_state = 0; in tegra_xudc_resume_device_state()
1989 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_resume_device_state()
1990 tegra_xudc_ep_ring_doorbell(&xudc->ep[i]); in tegra_xudc_resume_device_state()
2000 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_wakeup()
2002 if (xudc->powergated) { in tegra_xudc_gadget_wakeup()
2003 ret = -ESHUTDOWN; in tegra_xudc_gadget_wakeup()
2007 dev_dbg(xudc->dev, "%s: PORTPM=%#x, speed=%x\n", __func__, in tegra_xudc_gadget_wakeup()
2008 val, gadget->speed); in tegra_xudc_gadget_wakeup()
2010 if (((xudc->gadget.speed <= USB_SPEED_HIGH) && in tegra_xudc_gadget_wakeup()
2012 ((xudc->gadget.speed == USB_SPEED_SUPER) && in tegra_xudc_gadget_wakeup()
2017 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_gadget_wakeup()
2026 dev_dbg(xudc->dev, "%s: ret value is %d", __func__, ret); in tegra_xudc_gadget_wakeup()
2027 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_wakeup()
2038 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_pullup()
2040 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_pullup()
2042 if (is_on != xudc->pullup) { in tegra_xudc_gadget_pullup()
2051 xudc->pullup = is_on; in tegra_xudc_gadget_pullup()
2052 dev_dbg(xudc->dev, "%s: pullup:%d", __func__, is_on); in tegra_xudc_gadget_pullup()
2054 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_pullup()
2056 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_pullup()
2071 return -EINVAL; in tegra_xudc_gadget_start()
2073 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_start()
2075 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_start()
2077 if (xudc->driver) { in tegra_xudc_gadget_start()
2078 ret = -EBUSY; in tegra_xudc_gadget_start()
2082 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_gadget_start()
2083 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_gadget_start()
2084 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_gadget_start()
2086 ret = __tegra_xudc_ep_enable(&xudc->ep[0], &tegra_xudc_ep0_desc); in tegra_xudc_gadget_start()
2098 if (xudc->pullup) { in tegra_xudc_gadget_start()
2104 for (i = 0; i < xudc->soc->num_phys; i++) in tegra_xudc_gadget_start()
2105 if (xudc->usbphy[i]) in tegra_xudc_gadget_start()
2106 otg_set_peripheral(xudc->usbphy[i]->otg, gadget); in tegra_xudc_gadget_start()
2108 xudc->driver = driver; in tegra_xudc_gadget_start()
2110 dev_dbg(xudc->dev, "%s: ret value is %d", __func__, ret); in tegra_xudc_gadget_start()
2111 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_start()
2113 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_start()
2125 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_stop()
2127 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_stop()
2129 for (i = 0; i < xudc->soc->num_phys; i++) in tegra_xudc_gadget_stop()
2130 if (xudc->usbphy[i]) in tegra_xudc_gadget_stop()
2131 otg_set_peripheral(xudc->usbphy[i]->otg, NULL); in tegra_xudc_gadget_stop()
2137 __tegra_xudc_ep_disable(&xudc->ep[0]); in tegra_xudc_gadget_stop()
2139 xudc->driver = NULL; in tegra_xudc_gadget_stop()
2140 dev_dbg(xudc->dev, "Gadget stopped"); in tegra_xudc_gadget_stop()
2142 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_stop()
2144 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_stop()
2155 dev_dbg(xudc->dev, "%s: %u mA\n", __func__, m_a); in tegra_xudc_gadget_vbus_draw()
2157 if (xudc->curr_usbphy && xudc->curr_usbphy->chg_type == SDP_TYPE) in tegra_xudc_gadget_vbus_draw()
2158 ret = usb_phy_set_power(xudc->curr_usbphy, m_a); in tegra_xudc_gadget_vbus_draw()
2167 dev_dbg(xudc->dev, "%s: %d\n", __func__, is_on); in tegra_xudc_set_selfpowered()
2168 xudc->selfpowered = !!is_on; in tegra_xudc_set_selfpowered()
2191 xudc->ep0_req->usb_req.buf = NULL; in tegra_xudc_ep0_queue_status()
2192 xudc->ep0_req->usb_req.dma = 0; in tegra_xudc_ep0_queue_status()
2193 xudc->ep0_req->usb_req.length = 0; in tegra_xudc_ep0_queue_status()
2194 xudc->ep0_req->usb_req.complete = cmpl; in tegra_xudc_ep0_queue_status()
2195 xudc->ep0_req->usb_req.context = xudc; in tegra_xudc_ep0_queue_status()
2197 return __tegra_xudc_ep_queue(&xudc->ep[0], xudc->ep0_req); in tegra_xudc_ep0_queue_status()
2204 xudc->ep0_req->usb_req.buf = buf; in tegra_xudc_ep0_queue_data()
2205 xudc->ep0_req->usb_req.length = len; in tegra_xudc_ep0_queue_data()
2206 xudc->ep0_req->usb_req.complete = cmpl; in tegra_xudc_ep0_queue_data()
2207 xudc->ep0_req->usb_req.context = xudc; in tegra_xudc_ep0_queue_data()
2209 return __tegra_xudc_ep_queue(&xudc->ep[0], xudc->ep0_req); in tegra_xudc_ep0_queue_data()
2214 switch (xudc->setup_state) { in tegra_xudc_ep0_req_done()
2216 xudc->setup_state = STATUS_STAGE_RECV; in tegra_xudc_ep0_req_done()
2220 xudc->setup_state = STATUS_STAGE_XFER; in tegra_xudc_ep0_req_done()
2224 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_ep0_req_done()
2234 spin_unlock(&xudc->lock); in tegra_xudc_ep0_delegate_req()
2235 ret = xudc->driver->setup(&xudc->gadget, ctrl); in tegra_xudc_ep0_delegate_req()
2236 spin_lock(&xudc->lock); in tegra_xudc_ep0_delegate_req()
2243 struct tegra_xudc *xudc = req->context; in set_feature_complete()
2245 if (xudc->test_mode_pattern) { in set_feature_complete()
2246 xudc_writel(xudc, xudc->test_mode_pattern, PORT_TM); in set_feature_complete()
2247 xudc->test_mode_pattern = 0; in set_feature_complete()
2254 bool set = (ctrl->bRequest == USB_REQ_SET_FEATURE); in tegra_xudc_ep0_set_feature()
2255 u32 feature = le16_to_cpu(ctrl->wValue); in tegra_xudc_ep0_set_feature()
2256 u32 index = le16_to_cpu(ctrl->wIndex); in tegra_xudc_ep0_set_feature()
2260 if (le16_to_cpu(ctrl->wLength) != 0) in tegra_xudc_ep0_set_feature()
2261 return -EINVAL; in tegra_xudc_ep0_set_feature()
2263 switch (ctrl->bRequestType & USB_RECIP_MASK) { in tegra_xudc_ep0_set_feature()
2267 if ((xudc->gadget.speed == USB_SPEED_SUPER) || in tegra_xudc_ep0_set_feature()
2268 (xudc->device_state == USB_STATE_DEFAULT)) in tegra_xudc_ep0_set_feature()
2269 return -EINVAL; in tegra_xudc_ep0_set_feature()
2281 if ((xudc->device_state != USB_STATE_CONFIGURED) || in tegra_xudc_ep0_set_feature()
2282 (xudc->gadget.speed != USB_SPEED_SUPER)) in tegra_xudc_ep0_set_feature()
2283 return -EINVAL; in tegra_xudc_ep0_set_feature()
2287 xudc->soc->u1_enable) { in tegra_xudc_ep0_set_feature()
2295 xudc->soc->u2_enable) { in tegra_xudc_ep0_set_feature()
2305 if (xudc->gadget.speed != USB_SPEED_HIGH) in tegra_xudc_ep0_set_feature()
2306 return -EINVAL; in tegra_xudc_ep0_set_feature()
2309 return -EINVAL; in tegra_xudc_ep0_set_feature()
2311 xudc->test_mode_pattern = index >> 8; in tegra_xudc_ep0_set_feature()
2314 return -EINVAL; in tegra_xudc_ep0_set_feature()
2319 if (xudc->device_state != USB_STATE_CONFIGURED) in tegra_xudc_ep0_set_feature()
2320 return -EINVAL; in tegra_xudc_ep0_set_feature()
2337 return -EINVAL; in tegra_xudc_ep0_set_feature()
2345 if ((xudc->device_state == USB_STATE_DEFAULT) || in tegra_xudc_ep0_set_feature()
2346 ((xudc->device_state == USB_STATE_ADDRESS) && in tegra_xudc_ep0_set_feature()
2348 return -EINVAL; in tegra_xudc_ep0_set_feature()
2350 ret = __tegra_xudc_ep_set_halt(&xudc->ep[ep], set); in tegra_xudc_ep0_set_feature()
2355 return -EINVAL; in tegra_xudc_ep0_set_feature()
2365 u32 val, ep, index = le16_to_cpu(ctrl->wIndex); in tegra_xudc_ep0_get_status()
2368 if (!(ctrl->bRequestType & USB_DIR_IN)) in tegra_xudc_ep0_get_status()
2369 return -EINVAL; in tegra_xudc_ep0_get_status()
2371 if ((le16_to_cpu(ctrl->wValue) != 0) || in tegra_xudc_ep0_get_status()
2372 (le16_to_cpu(ctrl->wLength) != 2)) in tegra_xudc_ep0_get_status()
2373 return -EINVAL; in tegra_xudc_ep0_get_status()
2375 switch (ctrl->bRequestType & USB_RECIP_MASK) { in tegra_xudc_ep0_get_status()
2379 if (xudc->selfpowered) in tegra_xudc_ep0_get_status()
2382 if ((xudc->gadget.speed < USB_SPEED_SUPER) && in tegra_xudc_ep0_get_status()
2386 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep0_get_status()
2394 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep0_get_status()
2404 ep_ctx = &xudc->ep_context[ep]; in tegra_xudc_ep0_get_status()
2406 if ((xudc->device_state != USB_STATE_CONFIGURED) && in tegra_xudc_ep0_get_status()
2407 ((xudc->device_state != USB_STATE_ADDRESS) || (ep != 0))) in tegra_xudc_ep0_get_status()
2408 return -EINVAL; in tegra_xudc_ep0_get_status()
2411 return -EINVAL; in tegra_xudc_ep0_get_status()
2417 return -EINVAL; in tegra_xudc_ep0_get_status()
2420 xudc->status_buf = cpu_to_le16(status); in tegra_xudc_ep0_get_status()
2421 return tegra_xudc_ep0_queue_data(xudc, &xudc->status_buf, in tegra_xudc_ep0_get_status()
2422 sizeof(xudc->status_buf), in tegra_xudc_ep0_get_status()
2434 if (ctrl->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE | in tegra_xudc_ep0_set_sel()
2436 return -EINVAL; in tegra_xudc_ep0_set_sel()
2438 if (xudc->device_state == USB_STATE_DEFAULT) in tegra_xudc_ep0_set_sel()
2439 return -EINVAL; in tegra_xudc_ep0_set_sel()
2441 if ((le16_to_cpu(ctrl->wIndex) != 0) || in tegra_xudc_ep0_set_sel()
2442 (le16_to_cpu(ctrl->wValue) != 0) || in tegra_xudc_ep0_set_sel()
2443 (le16_to_cpu(ctrl->wLength) != 6)) in tegra_xudc_ep0_set_sel()
2444 return -EINVAL; in tegra_xudc_ep0_set_sel()
2446 return tegra_xudc_ep0_queue_data(xudc, &xudc->sel_timing, in tegra_xudc_ep0_set_sel()
2447 sizeof(xudc->sel_timing), in tegra_xudc_ep0_set_sel()
2459 u32 delay = le16_to_cpu(ctrl->wValue); in tegra_xudc_ep0_set_isoch_delay()
2461 if (ctrl->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE | in tegra_xudc_ep0_set_isoch_delay()
2463 return -EINVAL; in tegra_xudc_ep0_set_isoch_delay()
2465 if ((delay > 65535) || (le16_to_cpu(ctrl->wIndex) != 0) || in tegra_xudc_ep0_set_isoch_delay()
2466 (le16_to_cpu(ctrl->wLength) != 0)) in tegra_xudc_ep0_set_isoch_delay()
2467 return -EINVAL; in tegra_xudc_ep0_set_isoch_delay()
2469 xudc->isoch_delay = delay; in tegra_xudc_ep0_set_isoch_delay()
2476 struct tegra_xudc *xudc = req->context; in set_address_complete()
2478 if ((xudc->device_state == USB_STATE_DEFAULT) && in set_address_complete()
2479 (xudc->dev_addr != 0)) { in set_address_complete()
2480 xudc->device_state = USB_STATE_ADDRESS; in set_address_complete()
2481 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in set_address_complete()
2482 } else if ((xudc->device_state == USB_STATE_ADDRESS) && in set_address_complete()
2483 (xudc->dev_addr == 0)) { in set_address_complete()
2484 xudc->device_state = USB_STATE_DEFAULT; in set_address_complete()
2485 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in set_address_complete()
2492 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_ep0_set_address()
2493 u32 val, addr = le16_to_cpu(ctrl->wValue); in tegra_xudc_ep0_set_address()
2495 if (ctrl->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE | in tegra_xudc_ep0_set_address()
2497 return -EINVAL; in tegra_xudc_ep0_set_address()
2499 if ((addr > 127) || (le16_to_cpu(ctrl->wIndex) != 0) || in tegra_xudc_ep0_set_address()
2500 (le16_to_cpu(ctrl->wLength) != 0)) in tegra_xudc_ep0_set_address()
2501 return -EINVAL; in tegra_xudc_ep0_set_address()
2503 if (xudc->device_state == USB_STATE_CONFIGURED) in tegra_xudc_ep0_set_address()
2504 return -EINVAL; in tegra_xudc_ep0_set_address()
2506 dev_dbg(xudc->dev, "set address: %u\n", addr); in tegra_xudc_ep0_set_address()
2508 xudc->dev_addr = addr; in tegra_xudc_ep0_set_address()
2514 ep_ctx_write_devaddr(ep0->context, addr); in tegra_xudc_ep0_set_address()
2524 switch (ctrl->bRequest) { in tegra_xudc_ep0_standard_req()
2526 dev_dbg(xudc->dev, "USB_REQ_GET_STATUS\n"); in tegra_xudc_ep0_standard_req()
2530 dev_dbg(xudc->dev, "USB_REQ_SET_ADDRESS\n"); in tegra_xudc_ep0_standard_req()
2534 dev_dbg(xudc->dev, "USB_REQ_SET_SEL\n"); in tegra_xudc_ep0_standard_req()
2538 dev_dbg(xudc->dev, "USB_REQ_SET_ISOCH_DELAY\n"); in tegra_xudc_ep0_standard_req()
2543 dev_dbg(xudc->dev, "USB_REQ_CLEAR/SET_FEATURE\n"); in tegra_xudc_ep0_standard_req()
2547 dev_dbg(xudc->dev, "USB_REQ_SET_CONFIGURATION\n"); in tegra_xudc_ep0_standard_req()
2568 xudc->setup_seq_num = seq_num; in tegra_xudc_handle_ep0_setup_packet()
2574 * On Tegra210, setup packets with sequence numbers 0xfffe or 0xffff in tegra_xudc_handle_ep0_setup_packet()
2577 if (xudc->soc->invalid_seq_num && in tegra_xudc_handle_ep0_setup_packet()
2579 dev_warn(xudc->dev, "invalid sequence number detected\n"); in tegra_xudc_handle_ep0_setup_packet()
2584 if (ctrl->wLength) in tegra_xudc_handle_ep0_setup_packet()
2585 xudc->setup_state = (ctrl->bRequestType & USB_DIR_IN) ? in tegra_xudc_handle_ep0_setup_packet()
2588 xudc->setup_state = STATUS_STAGE_XFER; in tegra_xudc_handle_ep0_setup_packet()
2590 if ((ctrl->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) in tegra_xudc_handle_ep0_setup_packet()
2596 dev_warn(xudc->dev, "setup request failed: %d\n", ret); in tegra_xudc_handle_ep0_setup_packet()
2597 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_handle_ep0_setup_packet()
2608 if (xudc->setup_state != WAIT_FOR_SETUP) { in tegra_xudc_handle_ep0_event()
2615 memcpy(&xudc->setup_packet.ctrl_req, ctrl, sizeof(*ctrl)); in tegra_xudc_handle_ep0_event()
2616 xudc->setup_packet.seq_num = seq_num; in tegra_xudc_handle_ep0_event()
2617 xudc->queued_setup_packet = true; in tegra_xudc_handle_ep0_event()
2628 list_for_each_entry(req, &ep->queue, list) { in trb_to_request()
2629 if (!req->trbs_queued) in trb_to_request()
2658 (req->trbs_needed == req->trbs_queued)))) { in tegra_xudc_handle_transfer_completion()
2659 struct tegra_xudc_trb *last = req->last_trb; in tegra_xudc_handle_transfer_completion()
2663 req->usb_req.actual = req->usb_req.length - residual; in tegra_xudc_handle_transfer_completion()
2665 dev_dbg(xudc->dev, "bytes transferred %u / %u\n", in tegra_xudc_handle_transfer_completion()
2666 req->usb_req.actual, req->usb_req.length); in tegra_xudc_handle_transfer_completion()
2670 if (ep->desc && usb_endpoint_xfer_control(ep->desc)) in tegra_xudc_handle_transfer_completion()
2678 ep->deq_ptr = (last - ep->transfer_ring) + 1; in tegra_xudc_handle_transfer_completion()
2679 if (ep->deq_ptr == XUDC_TRANSFER_RING_SIZE - 1) in tegra_xudc_handle_transfer_completion()
2680 ep->deq_ptr = 0; in tegra_xudc_handle_transfer_completion()
2683 dev_warn(xudc->dev, "transfer event on dequeued request\n"); in tegra_xudc_handle_transfer_completion()
2686 if (ep->desc) in tegra_xudc_handle_transfer_completion()
2694 struct tegra_xudc_ep *ep = &xudc->ep[ep_index]; in tegra_xudc_handle_transfer_event()
2698 if (ep_ctx_read_state(ep->context) == EP_STATE_DISABLED) { in tegra_xudc_handle_transfer_event()
2699 dev_warn(xudc->dev, "transfer event on disabled EP %u\n", in tegra_xudc_handle_transfer_event()
2708 ep->deq_ptr = (trb - ep->transfer_ring) + 1; in tegra_xudc_handle_transfer_event()
2710 if (ep->deq_ptr == XUDC_TRANSFER_RING_SIZE - 1) in tegra_xudc_handle_transfer_event()
2711 ep->deq_ptr = 0; in tegra_xudc_handle_transfer_event()
2712 ep->ring_full = false; in tegra_xudc_handle_transfer_event()
2721 dev_info(xudc->dev, "stream rejected on EP %u\n", ep_index); in tegra_xudc_handle_transfer_event()
2723 ep->stream_rejected = true; in tegra_xudc_handle_transfer_event()
2726 dev_info(xudc->dev, "prime pipe received on EP %u\n", ep_index); in tegra_xudc_handle_transfer_event()
2728 if (ep->stream_rejected) { in tegra_xudc_handle_transfer_event()
2729 ep->stream_rejected = false; in tegra_xudc_handle_transfer_event()
2733 * un-stop it. in tegra_xudc_handle_transfer_event()
2745 ep->enq_ptr = ep->deq_ptr; in tegra_xudc_handle_transfer_event()
2746 tegra_xudc_ep_nuke(ep, -EIO); in tegra_xudc_handle_transfer_event()
2756 dev_err(xudc->dev, "completion error %#x on EP %u\n", in tegra_xudc_handle_transfer_event()
2762 dev_info(xudc->dev, "sequence number error\n"); in tegra_xudc_handle_transfer_event()
2768 tegra_xudc_ep_nuke(ep, -EINVAL); in tegra_xudc_handle_transfer_event()
2769 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_handle_transfer_event()
2770 if (!xudc->queued_setup_packet) in tegra_xudc_handle_transfer_event()
2774 &xudc->setup_packet.ctrl_req, in tegra_xudc_handle_transfer_event()
2775 xudc->setup_packet.seq_num); in tegra_xudc_handle_transfer_event()
2776 xudc->queued_setup_packet = false; in tegra_xudc_handle_transfer_event()
2779 dev_dbg(xudc->dev, "stop completion code on EP %u\n", in tegra_xudc_handle_transfer_event()
2783 tegra_xudc_ep_nuke(ep, -ECONNREFUSED); in tegra_xudc_handle_transfer_event()
2786 dev_dbg(xudc->dev, "completion event %#x on EP %u\n", in tegra_xudc_handle_transfer_event()
2794 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_reset()
2798 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_reset()
2799 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_reset()
2800 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_reset()
2804 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_reset()
2805 tegra_xudc_ep_nuke(&xudc->ep[i], -ESHUTDOWN); in tegra_xudc_reset()
2811 ep0->deq_ptr = ep0->enq_ptr; in tegra_xudc_reset()
2812 ep0->ring_full = false; in tegra_xudc_reset()
2814 xudc->setup_seq_num = 0; in tegra_xudc_reset()
2815 xudc->queued_setup_packet = false; in tegra_xudc_reset()
2817 ep_ctx_write_rsvd(ep0->context, 0); in tegra_xudc_reset()
2818 ep_ctx_write_partial_td(ep0->context, 0); in tegra_xudc_reset()
2819 ep_ctx_write_splitxstate(ep0->context, 0); in tegra_xudc_reset()
2820 ep_ctx_write_seq_num(ep0->context, 0); in tegra_xudc_reset()
2822 deq_ptr = trb_virt_to_phys(ep0, &ep0->transfer_ring[ep0->deq_ptr]); in tegra_xudc_reset()
2824 if (!dma_mapping_error(xudc->dev, deq_ptr)) { in tegra_xudc_reset()
2825 ep_ctx_write_deq_ptr(ep0->context, deq_ptr); in tegra_xudc_reset()
2826 ep_ctx_write_dcs(ep0->context, ep0->pcs); in tegra_xudc_reset()
2836 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_port_connect()
2843 xudc->gadget.speed = USB_SPEED_LOW; in tegra_xudc_port_connect()
2846 xudc->gadget.speed = USB_SPEED_FULL; in tegra_xudc_port_connect()
2849 xudc->gadget.speed = USB_SPEED_HIGH; in tegra_xudc_port_connect()
2852 xudc->gadget.speed = USB_SPEED_SUPER; in tegra_xudc_port_connect()
2855 xudc->gadget.speed = USB_SPEED_UNKNOWN; in tegra_xudc_port_connect()
2859 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_port_connect()
2860 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_connect()
2862 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_port_connect()
2864 if (xudc->gadget.speed == USB_SPEED_SUPER) in tegra_xudc_port_connect()
2869 ep_ctx_write_max_packet_size(ep0->context, maxpacket); in tegra_xudc_port_connect()
2871 usb_ep_set_maxpacket_limit(&ep0->usb_ep, maxpacket); in tegra_xudc_port_connect()
2873 if (!xudc->soc->u1_enable) { in tegra_xudc_port_connect()
2879 if (!xudc->soc->u2_enable) { in tegra_xudc_port_connect()
2885 if (xudc->gadget.speed <= USB_SPEED_HIGH) { in tegra_xudc_port_connect()
2888 if (xudc->soc->lpm_enable) in tegra_xudc_port_connect()
2904 if (xudc->driver && xudc->driver->disconnect) { in tegra_xudc_port_disconnect()
2905 spin_unlock(&xudc->lock); in tegra_xudc_port_disconnect()
2906 xudc->driver->disconnect(&xudc->gadget); in tegra_xudc_port_disconnect()
2907 spin_lock(&xudc->lock); in tegra_xudc_port_disconnect()
2910 xudc->device_state = USB_STATE_NOTATTACHED; in tegra_xudc_port_disconnect()
2911 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_disconnect()
2913 complete(&xudc->disconnect_complete); in tegra_xudc_port_disconnect()
2920 if (xudc->driver) { in tegra_xudc_port_reset()
2921 spin_unlock(&xudc->lock); in tegra_xudc_port_reset()
2922 usb_gadget_udc_reset(&xudc->gadget, xudc->driver); in tegra_xudc_port_reset()
2923 spin_lock(&xudc->lock); in tegra_xudc_port_reset()
2931 dev_dbg(xudc->dev, "port suspend\n"); in tegra_xudc_port_suspend()
2933 xudc->resume_state = xudc->device_state; in tegra_xudc_port_suspend()
2934 xudc->device_state = USB_STATE_SUSPENDED; in tegra_xudc_port_suspend()
2935 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_suspend()
2937 if (xudc->driver->suspend) { in tegra_xudc_port_suspend()
2938 spin_unlock(&xudc->lock); in tegra_xudc_port_suspend()
2939 xudc->driver->suspend(&xudc->gadget); in tegra_xudc_port_suspend()
2940 spin_lock(&xudc->lock); in tegra_xudc_port_suspend()
2946 dev_dbg(xudc->dev, "port resume\n"); in tegra_xudc_port_resume()
2950 if (xudc->driver->resume) { in tegra_xudc_port_resume()
2951 spin_unlock(&xudc->lock); in tegra_xudc_port_resume()
2952 xudc->driver->resume(&xudc->gadget); in tegra_xudc_port_resume()
2953 spin_lock(&xudc->lock); in tegra_xudc_port_resume()
2974 dev_dbg(xudc->dev, "STCHG_REQ, PORTHALT = %#x\n", porthalt); in __tegra_xudc_handle_port_status()
2981 dev_dbg(xudc->dev, "PRC, PR, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
2984 if (xudc->soc->port_reset_quirk) { in __tegra_xudc_handle_port_status()
2985 schedule_delayed_work(&xudc->port_reset_war_work, in __tegra_xudc_handle_port_status()
2987 xudc->wait_for_sec_prc = 1; in __tegra_xudc_handle_port_status()
2992 dev_dbg(xudc->dev, "PRC, Not PR, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
2995 cancel_delayed_work(&xudc->port_reset_war_work); in __tegra_xudc_handle_port_status()
2996 xudc->wait_for_sec_prc = 0; in __tegra_xudc_handle_port_status()
3001 dev_dbg(xudc->dev, "WRC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3009 dev_dbg(xudc->dev, "CSC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3017 if (xudc->wait_csc) { in __tegra_xudc_handle_port_status()
3018 cancel_delayed_work(&xudc->plc_reset_work); in __tegra_xudc_handle_port_status()
3019 xudc->wait_csc = false; in __tegra_xudc_handle_port_status()
3027 dev_dbg(xudc->dev, "PLC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3034 if (xudc->gadget.speed < USB_SPEED_SUPER) in __tegra_xudc_handle_port_status()
3038 if (xudc->gadget.speed == USB_SPEED_SUPER) in __tegra_xudc_handle_port_status()
3042 schedule_delayed_work(&xudc->plc_reset_work, in __tegra_xudc_handle_port_status()
3044 xudc->wait_csc = true; in __tegra_xudc_handle_port_status()
3052 dev_warn(xudc->dev, "CEC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3056 dev_dbg(xudc->dev, "PORTSC = %#x\n", xudc_readl(xudc, PORTSC)); in __tegra_xudc_handle_port_status()
3084 dev_info(xudc->dev, "Unrecognized TRB type = %#x\n", type); in tegra_xudc_handle_event()
3095 event = xudc->event_ring[xudc->event_ring_index] + in tegra_xudc_process_event_ring()
3096 xudc->event_ring_deq_ptr; in tegra_xudc_process_event_ring()
3098 if (trb_read_cycle(event) != xudc->ccs) in tegra_xudc_process_event_ring()
3103 xudc->event_ring_deq_ptr++; in tegra_xudc_process_event_ring()
3104 if (xudc->event_ring_deq_ptr == XUDC_EVENT_RING_SIZE) { in tegra_xudc_process_event_ring()
3105 xudc->event_ring_deq_ptr = 0; in tegra_xudc_process_event_ring()
3106 xudc->event_ring_index++; in tegra_xudc_process_event_ring()
3109 if (xudc->event_ring_index == XUDC_NR_EVENT_RINGS) { in tegra_xudc_process_event_ring()
3110 xudc->event_ring_index = 0; in tegra_xudc_process_event_ring()
3111 xudc->ccs = !xudc->ccs; in tegra_xudc_process_event_ring()
3115 erdp = xudc->event_ring_phys[xudc->event_ring_index] + in tegra_xudc_process_event_ring()
3116 xudc->event_ring_deq_ptr * sizeof(*event); in tegra_xudc_process_event_ring()
3133 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_irq()
3135 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_irq()
3142 struct tegra_xudc_ep *ep = &xudc->ep[index]; in tegra_xudc_alloc_ep()
3144 ep->xudc = xudc; in tegra_xudc_alloc_ep()
3145 ep->index = index; in tegra_xudc_alloc_ep()
3146 ep->context = &xudc->ep_context[index]; in tegra_xudc_alloc_ep()
3147 INIT_LIST_HEAD(&ep->queue); in tegra_xudc_alloc_ep()
3151 * EP0 is bi-directional, EP1 is unused. in tegra_xudc_alloc_ep()
3156 ep->transfer_ring = dma_pool_alloc(xudc->transfer_ring_pool, in tegra_xudc_alloc_ep()
3158 &ep->transfer_ring_phys); in tegra_xudc_alloc_ep()
3159 if (!ep->transfer_ring) in tegra_xudc_alloc_ep()
3160 return -ENOMEM; in tegra_xudc_alloc_ep()
3163 snprintf(ep->name, sizeof(ep->name), "ep%u%s", index / 2, in tegra_xudc_alloc_ep()
3165 ep->usb_ep.name = ep->name; in tegra_xudc_alloc_ep()
3166 usb_ep_set_maxpacket_limit(&ep->usb_ep, 1024); in tegra_xudc_alloc_ep()
3167 ep->usb_ep.max_streams = 16; in tegra_xudc_alloc_ep()
3168 ep->usb_ep.ops = &tegra_xudc_ep_ops; in tegra_xudc_alloc_ep()
3169 ep->usb_ep.caps.type_bulk = true; in tegra_xudc_alloc_ep()
3170 ep->usb_ep.caps.type_int = true; in tegra_xudc_alloc_ep()
3172 ep->usb_ep.caps.dir_in = true; in tegra_xudc_alloc_ep()
3174 ep->usb_ep.caps.dir_out = true; in tegra_xudc_alloc_ep()
3175 list_add_tail(&ep->usb_ep.ep_list, &xudc->gadget.ep_list); in tegra_xudc_alloc_ep()
3177 strscpy(ep->name, "ep0", 3); in tegra_xudc_alloc_ep()
3178 ep->usb_ep.name = ep->name; in tegra_xudc_alloc_ep()
3179 usb_ep_set_maxpacket_limit(&ep->usb_ep, 512); in tegra_xudc_alloc_ep()
3180 ep->usb_ep.ops = &tegra_xudc_ep0_ops; in tegra_xudc_alloc_ep()
3181 ep->usb_ep.caps.type_control = true; in tegra_xudc_alloc_ep()
3182 ep->usb_ep.caps.dir_in = true; in tegra_xudc_alloc_ep()
3183 ep->usb_ep.caps.dir_out = true; in tegra_xudc_alloc_ep()
3191 struct tegra_xudc_ep *ep = &xudc->ep[index]; in tegra_xudc_free_ep()
3195 * EP0 is bi-directional, EP1 is unused. in tegra_xudc_free_ep()
3200 dma_pool_free(xudc->transfer_ring_pool, ep->transfer_ring, in tegra_xudc_free_ep()
3201 ep->transfer_ring_phys); in tegra_xudc_free_ep()
3210 xudc->ep_context = in tegra_xudc_alloc_eps()
3211 dma_alloc_coherent(xudc->dev, XUDC_NR_EPS * in tegra_xudc_alloc_eps()
3212 sizeof(*xudc->ep_context), in tegra_xudc_alloc_eps()
3213 &xudc->ep_context_phys, GFP_KERNEL); in tegra_xudc_alloc_eps()
3214 if (!xudc->ep_context) in tegra_xudc_alloc_eps()
3215 return -ENOMEM; in tegra_xudc_alloc_eps()
3217 xudc->transfer_ring_pool = in tegra_xudc_alloc_eps()
3218 dmam_pool_create(dev_name(xudc->dev), xudc->dev, in tegra_xudc_alloc_eps()
3222 if (!xudc->transfer_ring_pool) { in tegra_xudc_alloc_eps()
3223 err = -ENOMEM; in tegra_xudc_alloc_eps()
3227 INIT_LIST_HEAD(&xudc->gadget.ep_list); in tegra_xudc_alloc_eps()
3228 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in tegra_xudc_alloc_eps()
3234 req = tegra_xudc_ep_alloc_request(&xudc->ep[0].usb_ep, GFP_KERNEL); in tegra_xudc_alloc_eps()
3236 err = -ENOMEM; in tegra_xudc_alloc_eps()
3239 xudc->ep0_req = to_xudc_req(req); in tegra_xudc_alloc_eps()
3244 for (; i > 0; i--) in tegra_xudc_alloc_eps()
3245 tegra_xudc_free_ep(xudc, i - 1); in tegra_xudc_alloc_eps()
3247 dma_free_coherent(xudc->dev, XUDC_NR_EPS * sizeof(*xudc->ep_context), in tegra_xudc_alloc_eps()
3248 xudc->ep_context, xudc->ep_context_phys); in tegra_xudc_alloc_eps()
3254 xudc_writel(xudc, lower_32_bits(xudc->ep_context_phys), ECPLO); in tegra_xudc_init_eps()
3255 xudc_writel(xudc, upper_32_bits(xudc->ep_context_phys), ECPHI); in tegra_xudc_init_eps()
3262 tegra_xudc_ep_free_request(&xudc->ep[0].usb_ep, in tegra_xudc_free_eps()
3263 &xudc->ep0_req->usb_req); in tegra_xudc_free_eps()
3265 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_free_eps()
3268 dma_free_coherent(xudc->dev, XUDC_NR_EPS * sizeof(*xudc->ep_context), in tegra_xudc_free_eps()
3269 xudc->ep_context, xudc->ep_context_phys); in tegra_xudc_free_eps()
3276 for (i = 0; i < ARRAY_SIZE(xudc->event_ring); i++) { in tegra_xudc_alloc_event_ring()
3277 xudc->event_ring[i] = in tegra_xudc_alloc_event_ring()
3278 dma_alloc_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_alloc_event_ring()
3279 sizeof(*xudc->event_ring[i]), in tegra_xudc_alloc_event_ring()
3280 &xudc->event_ring_phys[i], in tegra_xudc_alloc_event_ring()
3282 if (!xudc->event_ring[i]) in tegra_xudc_alloc_event_ring()
3289 for (; i > 0; i--) { in tegra_xudc_alloc_event_ring()
3290 dma_free_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_alloc_event_ring()
3291 sizeof(*xudc->event_ring[i - 1]), in tegra_xudc_alloc_event_ring()
3292 xudc->event_ring[i - 1], in tegra_xudc_alloc_event_ring()
3293 xudc->event_ring_phys[i - 1]); in tegra_xudc_alloc_event_ring()
3295 return -ENOMEM; in tegra_xudc_alloc_event_ring()
3303 for (i = 0; i < ARRAY_SIZE(xudc->event_ring); i++) { in tegra_xudc_init_event_ring()
3304 memset(xudc->event_ring[i], 0, XUDC_EVENT_RING_SIZE * in tegra_xudc_init_event_ring()
3305 sizeof(*xudc->event_ring[i])); in tegra_xudc_init_event_ring()
3312 xudc_writel(xudc, lower_32_bits(xudc->event_ring_phys[i]), in tegra_xudc_init_event_ring()
3314 xudc_writel(xudc, upper_32_bits(xudc->event_ring_phys[i]), in tegra_xudc_init_event_ring()
3318 val = lower_32_bits(xudc->event_ring_phys[0]); in tegra_xudc_init_event_ring()
3323 val = upper_32_bits(xudc->event_ring_phys[0]); in tegra_xudc_init_event_ring()
3327 xudc->ccs = true; in tegra_xudc_init_event_ring()
3328 xudc->event_ring_index = 0; in tegra_xudc_init_event_ring()
3329 xudc->event_ring_deq_ptr = 0; in tegra_xudc_init_event_ring()
3336 for (i = 0; i < ARRAY_SIZE(xudc->event_ring); i++) { in tegra_xudc_free_event_ring()
3337 dma_free_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_free_event_ring()
3338 sizeof(*xudc->event_ring[i]), in tegra_xudc_free_event_ring()
3339 xudc->event_ring[i], in tegra_xudc_free_event_ring()
3340 xudc->event_ring_phys[i]); in tegra_xudc_free_event_ring()
3348 if (xudc->soc->has_ipfs) { in tegra_xudc_fpci_ipfs_init()
3363 val |= xudc->phys_base & (XUSB_DEV_CFG_4_BASE_ADDR_MASK); in tegra_xudc_fpci_ipfs_init()
3366 fpci_writel(xudc, upper_32_bits(xudc->phys_base), XUSB_DEV_CFG_5); in tegra_xudc_fpci_ipfs_init()
3370 if (xudc->soc->has_ipfs) { in tegra_xudc_fpci_ipfs_init()
3382 if (xudc->soc->has_ipfs) { in tegra_xudc_device_params_init()
3394 if (xudc->soc->port_speed_quirk) in tegra_xudc_device_params_init()
3397 /* Set a reasonable U3 exit timer value. */ in tegra_xudc_device_params_init()
3415 if (xudc->soc->lpm_enable) { in tegra_xudc_device_params_init()
3486 xudc->utmi_phy = devm_kcalloc(xudc->dev, xudc->soc->num_phys, in tegra_xudc_phy_get()
3487 sizeof(*xudc->utmi_phy), GFP_KERNEL); in tegra_xudc_phy_get()
3488 if (!xudc->utmi_phy) in tegra_xudc_phy_get()
3489 return -ENOMEM; in tegra_xudc_phy_get()
3491 xudc->usb3_phy = devm_kcalloc(xudc->dev, xudc->soc->num_phys, in tegra_xudc_phy_get()
3492 sizeof(*xudc->usb3_phy), GFP_KERNEL); in tegra_xudc_phy_get()
3493 if (!xudc->usb3_phy) in tegra_xudc_phy_get()
3494 return -ENOMEM; in tegra_xudc_phy_get()
3496 xudc->usbphy = devm_kcalloc(xudc->dev, xudc->soc->num_phys, in tegra_xudc_phy_get()
3497 sizeof(*xudc->usbphy), GFP_KERNEL); in tegra_xudc_phy_get()
3498 if (!xudc->usbphy) in tegra_xudc_phy_get()
3499 return -ENOMEM; in tegra_xudc_phy_get()
3501 xudc->vbus_nb.notifier_call = tegra_xudc_vbus_notify; in tegra_xudc_phy_get()
3503 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_get()
3504 char phy_name[] = "usb.-."; in tegra_xudc_phy_get()
3507 snprintf(phy_name, sizeof(phy_name), "usb2-%d", i); in tegra_xudc_phy_get()
3508 xudc->utmi_phy[i] = devm_phy_optional_get(xudc->dev, phy_name); in tegra_xudc_phy_get()
3509 if (IS_ERR(xudc->utmi_phy[i])) { in tegra_xudc_phy_get()
3510 err = PTR_ERR(xudc->utmi_phy[i]); in tegra_xudc_phy_get()
3511 if (err != -EPROBE_DEFER) in tegra_xudc_phy_get()
3512 dev_err(xudc->dev, "failed to get usb2-%d PHY: %d\n", in tegra_xudc_phy_get()
3516 } else if (xudc->utmi_phy[i]) { in tegra_xudc_phy_get()
3517 /* Get usb-phy, if utmi phy is available */ in tegra_xudc_phy_get()
3518 xudc->usbphy[i] = devm_usb_get_phy_by_node(xudc->dev, in tegra_xudc_phy_get()
3519 xudc->utmi_phy[i]->dev.of_node, in tegra_xudc_phy_get()
3520 &xudc->vbus_nb); in tegra_xudc_phy_get()
3521 if (IS_ERR(xudc->usbphy[i])) { in tegra_xudc_phy_get()
3522 err = PTR_ERR(xudc->usbphy[i]); in tegra_xudc_phy_get()
3523 dev_err(xudc->dev, "failed to get usbphy-%d: %d\n", in tegra_xudc_phy_get()
3527 } else if (!xudc->utmi_phy[i]) { in tegra_xudc_phy_get()
3533 usb3 = tegra_xusb_padctl_get_usb3_companion(xudc->padctl, i); in tegra_xudc_phy_get()
3537 snprintf(phy_name, sizeof(phy_name), "usb3-%d", usb3); in tegra_xudc_phy_get()
3538 xudc->usb3_phy[i] = devm_phy_optional_get(xudc->dev, phy_name); in tegra_xudc_phy_get()
3539 if (IS_ERR(xudc->usb3_phy[i])) { in tegra_xudc_phy_get()
3540 err = PTR_ERR(xudc->usb3_phy[i]); in tegra_xudc_phy_get()
3541 if (err != -EPROBE_DEFER) in tegra_xudc_phy_get()
3542 dev_err(xudc->dev, "failed to get usb3-%d PHY: %d\n", in tegra_xudc_phy_get()
3546 } else if (xudc->usb3_phy[i]) in tegra_xudc_phy_get()
3547 dev_dbg(xudc->dev, "usb3-%d PHY registered", usb3); in tegra_xudc_phy_get()
3553 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_get()
3554 xudc->usb3_phy[i] = NULL; in tegra_xudc_phy_get()
3555 xudc->utmi_phy[i] = NULL; in tegra_xudc_phy_get()
3556 xudc->usbphy[i] = NULL; in tegra_xudc_phy_get()
3566 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_exit()
3567 phy_exit(xudc->usb3_phy[i]); in tegra_xudc_phy_exit()
3568 phy_exit(xudc->utmi_phy[i]); in tegra_xudc_phy_exit()
3577 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_init()
3578 err = phy_init(xudc->utmi_phy[i]); in tegra_xudc_phy_init()
3580 dev_err(xudc->dev, "UTMI PHY #%u initialization failed: %d\n", i, err); in tegra_xudc_phy_init()
3584 err = phy_init(xudc->usb3_phy[i]); in tegra_xudc_phy_init()
3586 dev_err(xudc->dev, "USB3 PHY #%u initialization failed: %d\n", i, err); in tegra_xudc_phy_init()
3598 "hvdd-usb",
3599 "avddio-usb",
3663 .compatible = "nvidia,tegra210-xudc",
3667 .compatible = "nvidia,tegra186-xudc",
3671 .compatible = "nvidia,tegra194-xudc",
3680 if (xudc->genpd_dl_ss) in tegra_xudc_powerdomain_remove()
3681 device_link_del(xudc->genpd_dl_ss); in tegra_xudc_powerdomain_remove()
3682 if (xudc->genpd_dl_device) in tegra_xudc_powerdomain_remove()
3683 device_link_del(xudc->genpd_dl_device); in tegra_xudc_powerdomain_remove()
3684 if (xudc->genpd_dev_ss) in tegra_xudc_powerdomain_remove()
3685 dev_pm_domain_detach(xudc->genpd_dev_ss, true); in tegra_xudc_powerdomain_remove()
3686 if (xudc->genpd_dev_device) in tegra_xudc_powerdomain_remove()
3687 dev_pm_domain_detach(xudc->genpd_dev_device, true); in tegra_xudc_powerdomain_remove()
3692 struct device *dev = xudc->dev; in tegra_xudc_powerdomain_init()
3695 xudc->genpd_dev_device = dev_pm_domain_attach_by_name(dev, "dev"); in tegra_xudc_powerdomain_init()
3696 if (IS_ERR(xudc->genpd_dev_device)) { in tegra_xudc_powerdomain_init()
3697 err = PTR_ERR(xudc->genpd_dev_device); in tegra_xudc_powerdomain_init()
3702 xudc->genpd_dev_ss = dev_pm_domain_attach_by_name(dev, "ss"); in tegra_xudc_powerdomain_init()
3703 if (IS_ERR(xudc->genpd_dev_ss)) { in tegra_xudc_powerdomain_init()
3704 err = PTR_ERR(xudc->genpd_dev_ss); in tegra_xudc_powerdomain_init()
3709 xudc->genpd_dl_device = device_link_add(dev, xudc->genpd_dev_device, in tegra_xudc_powerdomain_init()
3712 if (!xudc->genpd_dl_device) { in tegra_xudc_powerdomain_init()
3714 return -ENODEV; in tegra_xudc_powerdomain_init()
3717 xudc->genpd_dl_ss = device_link_add(dev, xudc->genpd_dev_ss, in tegra_xudc_powerdomain_init()
3720 if (!xudc->genpd_dl_ss) { in tegra_xudc_powerdomain_init()
3722 return -ENODEV; in tegra_xudc_powerdomain_init()
3735 xudc = devm_kzalloc(&pdev->dev, sizeof(*xudc), GFP_KERNEL); in tegra_xudc_probe()
3737 return -ENOMEM; in tegra_xudc_probe()
3739 xudc->dev = &pdev->dev; in tegra_xudc_probe()
3742 xudc->soc = of_device_get_match_data(&pdev->dev); in tegra_xudc_probe()
3743 if (!xudc->soc) in tegra_xudc_probe()
3744 return -ENODEV; in tegra_xudc_probe()
3747 xudc->base = devm_ioremap_resource(&pdev->dev, res); in tegra_xudc_probe()
3748 if (IS_ERR(xudc->base)) in tegra_xudc_probe()
3749 return PTR_ERR(xudc->base); in tegra_xudc_probe()
3750 xudc->phys_base = res->start; in tegra_xudc_probe()
3752 xudc->fpci = devm_platform_ioremap_resource_byname(pdev, "fpci"); in tegra_xudc_probe()
3753 if (IS_ERR(xudc->fpci)) in tegra_xudc_probe()
3754 return PTR_ERR(xudc->fpci); in tegra_xudc_probe()
3756 if (xudc->soc->has_ipfs) { in tegra_xudc_probe()
3757 xudc->ipfs = devm_platform_ioremap_resource_byname(pdev, "ipfs"); in tegra_xudc_probe()
3758 if (IS_ERR(xudc->ipfs)) in tegra_xudc_probe()
3759 return PTR_ERR(xudc->ipfs); in tegra_xudc_probe()
3762 xudc->irq = platform_get_irq(pdev, 0); in tegra_xudc_probe()
3763 if (xudc->irq < 0) in tegra_xudc_probe()
3764 return xudc->irq; in tegra_xudc_probe()
3766 err = devm_request_irq(&pdev->dev, xudc->irq, tegra_xudc_irq, 0, in tegra_xudc_probe()
3767 dev_name(&pdev->dev), xudc); in tegra_xudc_probe()
3769 dev_err(xudc->dev, "failed to claim IRQ#%u: %d\n", xudc->irq, in tegra_xudc_probe()
3774 xudc->clks = devm_kcalloc(&pdev->dev, xudc->soc->num_clks, sizeof(*xudc->clks), in tegra_xudc_probe()
3776 if (!xudc->clks) in tegra_xudc_probe()
3777 return -ENOMEM; in tegra_xudc_probe()
3779 for (i = 0; i < xudc->soc->num_clks; i++) in tegra_xudc_probe()
3780 xudc->clks[i].id = xudc->soc->clock_names[i]; in tegra_xudc_probe()
3782 err = devm_clk_bulk_get(&pdev->dev, xudc->soc->num_clks, xudc->clks); in tegra_xudc_probe()
3784 if (err != -EPROBE_DEFER) in tegra_xudc_probe()
3785 dev_err(xudc->dev, "failed to request clocks: %d\n", err); in tegra_xudc_probe()
3790 xudc->supplies = devm_kcalloc(&pdev->dev, xudc->soc->num_supplies, in tegra_xudc_probe()
3791 sizeof(*xudc->supplies), GFP_KERNEL); in tegra_xudc_probe()
3792 if (!xudc->supplies) in tegra_xudc_probe()
3793 return -ENOMEM; in tegra_xudc_probe()
3795 for (i = 0; i < xudc->soc->num_supplies; i++) in tegra_xudc_probe()
3796 xudc->supplies[i].supply = xudc->soc->supply_names[i]; in tegra_xudc_probe()
3798 err = devm_regulator_bulk_get(&pdev->dev, xudc->soc->num_supplies, in tegra_xudc_probe()
3799 xudc->supplies); in tegra_xudc_probe()
3801 if (err != -EPROBE_DEFER) in tegra_xudc_probe()
3802 dev_err(xudc->dev, "failed to request regulators: %d\n", err); in tegra_xudc_probe()
3807 xudc->padctl = tegra_xusb_padctl_get(&pdev->dev); in tegra_xudc_probe()
3808 if (IS_ERR(xudc->padctl)) in tegra_xudc_probe()
3809 return PTR_ERR(xudc->padctl); in tegra_xudc_probe()
3811 err = regulator_bulk_enable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_probe()
3813 dev_err(xudc->dev, "failed to enable regulators: %d\n", err); in tegra_xudc_probe()
3837 spin_lock_init(&xudc->lock); in tegra_xudc_probe()
3839 init_completion(&xudc->disconnect_complete); in tegra_xudc_probe()
3841 INIT_WORK(&xudc->usb_role_sw_work, tegra_xudc_usb_role_sw_work); in tegra_xudc_probe()
3843 INIT_DELAYED_WORK(&xudc->plc_reset_work, tegra_xudc_plc_reset_work); in tegra_xudc_probe()
3845 INIT_DELAYED_WORK(&xudc->port_reset_war_work, in tegra_xudc_probe()
3848 pm_runtime_enable(&pdev->dev); in tegra_xudc_probe()
3850 xudc->gadget.ops = &tegra_xudc_gadget_ops; in tegra_xudc_probe()
3851 xudc->gadget.ep0 = &xudc->ep[0].usb_ep; in tegra_xudc_probe()
3852 xudc->gadget.name = "tegra-xudc"; in tegra_xudc_probe()
3853 xudc->gadget.max_speed = USB_SPEED_SUPER; in tegra_xudc_probe()
3855 err = usb_add_gadget_udc(&pdev->dev, &xudc->gadget); in tegra_xudc_probe()
3857 dev_err(&pdev->dev, "failed to add USB gadget: %d\n", err); in tegra_xudc_probe()
3864 pm_runtime_disable(&pdev->dev); in tegra_xudc_probe()
3873 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_probe()
3875 tegra_xusb_padctl_put(xudc->padctl); in tegra_xudc_probe()
3885 pm_runtime_get_sync(xudc->dev); in tegra_xudc_remove()
3887 cancel_delayed_work_sync(&xudc->plc_reset_work); in tegra_xudc_remove()
3888 cancel_work_sync(&xudc->usb_role_sw_work); in tegra_xudc_remove()
3890 usb_del_gadget_udc(&xudc->gadget); in tegra_xudc_remove()
3897 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_remove()
3899 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_remove()
3900 phy_power_off(xudc->utmi_phy[i]); in tegra_xudc_remove()
3901 phy_power_off(xudc->usb3_phy[i]); in tegra_xudc_remove()
3906 pm_runtime_disable(xudc->dev); in tegra_xudc_remove()
3907 pm_runtime_put(xudc->dev); in tegra_xudc_remove()
3909 tegra_xusb_padctl_put(xudc->padctl); in tegra_xudc_remove()
3918 dev_dbg(xudc->dev, "entering ELPG\n"); in tegra_xudc_powergate()
3920 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_powergate()
3922 xudc->powergated = true; in tegra_xudc_powergate()
3923 xudc->saved_regs.ctrl = xudc_readl(xudc, CTRL); in tegra_xudc_powergate()
3924 xudc->saved_regs.portpm = xudc_readl(xudc, PORTPM); in tegra_xudc_powergate()
3927 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_powergate()
3929 clk_bulk_disable_unprepare(xudc->soc->num_clks, xudc->clks); in tegra_xudc_powergate()
3931 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_powergate()
3933 dev_dbg(xudc->dev, "entering ELPG done\n"); in tegra_xudc_powergate()
3942 dev_dbg(xudc->dev, "exiting ELPG\n"); in tegra_xudc_unpowergate()
3944 err = regulator_bulk_enable(xudc->soc->num_supplies, in tegra_xudc_unpowergate()
3945 xudc->supplies); in tegra_xudc_unpowergate()
3949 err = clk_bulk_prepare_enable(xudc->soc->num_clks, xudc->clks); in tegra_xudc_unpowergate()
3961 xudc_writel(xudc, xudc->saved_regs.portpm, PORTPM); in tegra_xudc_unpowergate()
3962 xudc_writel(xudc, xudc->saved_regs.ctrl, CTRL); in tegra_xudc_unpowergate()
3964 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_unpowergate()
3965 xudc->powergated = false; in tegra_xudc_unpowergate()
3966 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_unpowergate()
3968 dev_dbg(xudc->dev, "exiting ELPG done\n"); in tegra_xudc_unpowergate()
3977 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_suspend()
3978 xudc->suspended = true; in tegra_xudc_suspend()
3979 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_suspend()
3981 flush_work(&xudc->usb_role_sw_work); in tegra_xudc_suspend()
4004 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_resume()
4005 xudc->suspended = false; in tegra_xudc_resume()
4006 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_resume()
4008 schedule_work(&xudc->usb_role_sw_work); in tegra_xudc_resume()
4039 .name = "tegra-xudc",