Lines Matching +full:tegra194 +full:- +full:xusb
1 // SPDX-License-Identifier: GPL-2.0+
3 * NVIDIA Tegra XUSB device mode controller
5 * Copyright (c) 2013-2022, NVIDIA CORPORATION. All rights reserved.
12 #include <linux/dma-mapping.h>
20 #include <linux/phy/tegra/xusb.h>
246 return (le32_to_cpu(ctx->member) >> (shift)) & (mask); \
253 tmp = le32_to_cpu(ctx->member) & ~((mask) << (shift)); \
255 ctx->member = cpu_to_le32(tmp); \
338 return (le32_to_cpu(trb->member) >> (shift)) & (mask); \
345 tmp = le32_to_cpu(trb->member) & ~((mask) << (shift)); \
347 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 tegra_phy_xusb_utmi_pad_power_on(xudc->curr_utmi_phy); in tegra_xudc_device_mode_on()
707 err = phy_power_on(xudc->curr_utmi_phy); in tegra_xudc_device_mode_on()
709 dev_err(xudc->dev, "UTMI power on failed: %d\n", err); in tegra_xudc_device_mode_on()
711 err = phy_power_on(xudc->curr_usb3_phy); in tegra_xudc_device_mode_on()
713 dev_err(xudc->dev, "USB3 PHY power on failed: %d\n", err); in tegra_xudc_device_mode_on()
715 dev_dbg(xudc->dev, "device mode on\n"); in tegra_xudc_device_mode_on()
717 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_device_mode_on()
720 xudc->current_device_mode = true; in tegra_xudc_device_mode_on()
729 dev_dbg(xudc->dev, "device mode off\n"); in tegra_xudc_device_mode_off()
731 xudc->current_device_mode = false; in tegra_xudc_device_mode_off()
735 reinit_completion(&xudc->disconnect_complete); in tegra_xudc_device_mode_off()
737 if (xudc->soc->port_speed_quirk) in tegra_xudc_device_mode_off()
740 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, USB_ROLE_NONE); in tegra_xudc_device_mode_off()
746 if (xudc->soc->pls_quirk && xudc->gadget.speed == USB_SPEED_SUPER && in tegra_xudc_device_mode_off()
760 wait_for_completion(&xudc->disconnect_complete); in tegra_xudc_device_mode_off()
763 synchronize_irq(xudc->irq); in tegra_xudc_device_mode_off()
765 tegra_phy_xusb_utmi_pad_power_down(xudc->curr_utmi_phy); in tegra_xudc_device_mode_off()
767 err = phy_power_off(xudc->curr_utmi_phy); in tegra_xudc_device_mode_off()
769 dev_err(xudc->dev, "UTMI PHY power off failed: %d\n", err); in tegra_xudc_device_mode_off()
771 err = phy_power_off(xudc->curr_usb3_phy); in tegra_xudc_device_mode_off()
773 dev_err(xudc->dev, "USB3 PHY power off failed: %d\n", err); in tegra_xudc_device_mode_off()
775 pm_runtime_put(xudc->dev); in tegra_xudc_device_mode_off()
783 if (xudc->device_mode) in tegra_xudc_usb_role_sw_work()
794 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_get_phy_index()
795 if (xudc->usbphy[i] && usbphy == xudc->usbphy[i]) in tegra_xudc_get_phy_index()
799 dev_info(xudc->dev, "phy index could not be found for shared USB PHY"); in tegra_xudc_get_phy_index()
800 return -1; in tegra_xudc_get_phy_index()
808 if ((xudc->device_mode && usbphy->last_event == USB_EVENT_VBUS) || in tegra_xudc_update_data_role()
809 (!xudc->device_mode && usbphy->last_event != USB_EVENT_VBUS)) { in tegra_xudc_update_data_role()
810 dev_dbg(xudc->dev, "Same role(%d) received. Ignore", in tegra_xudc_update_data_role()
811 xudc->device_mode); in tegra_xudc_update_data_role()
815 xudc->device_mode = usbphy->last_event == USB_EVENT_VBUS; in tegra_xudc_update_data_role()
818 dev_dbg(xudc->dev, "%s(): current phy index is %d\n", __func__, in tegra_xudc_update_data_role()
821 if (!xudc->suspended && phy_index != -1) { in tegra_xudc_update_data_role()
822 xudc->curr_utmi_phy = xudc->utmi_phy[phy_index]; in tegra_xudc_update_data_role()
823 xudc->curr_usb3_phy = xudc->usb3_phy[phy_index]; in tegra_xudc_update_data_role()
824 xudc->curr_usbphy = usbphy; in tegra_xudc_update_data_role()
825 schedule_work(&xudc->usb_role_sw_work); in tegra_xudc_update_data_role()
836 dev_dbg(xudc->dev, "%s(): event is %d\n", __func__, usbphy->last_event); in tegra_xudc_vbus_notify()
850 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_plc_reset_work()
852 if (xudc->wait_csc) { in tegra_xudc_plc_reset_work()
857 dev_info(xudc->dev, "PLS = Inactive. Toggle VBUS\n"); in tegra_xudc_plc_reset_work()
858 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_plc_reset_work()
860 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_plc_reset_work()
863 xudc->wait_csc = false; in tegra_xudc_plc_reset_work()
867 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_plc_reset_work()
879 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_port_reset_war_work()
881 if (xudc->device_mode && xudc->wait_for_sec_prc) { in tegra_xudc_port_reset_war_work()
884 dev_dbg(xudc->dev, "pls = %x\n", pls); in tegra_xudc_port_reset_war_work()
887 dev_dbg(xudc->dev, "toggle vbus\n"); in tegra_xudc_port_reset_war_work()
890 xudc->curr_utmi_phy); in tegra_xudc_port_reset_war_work()
892 xudc->wait_for_sec_prc = 0; in tegra_xudc_port_reset_war_work()
896 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_port_reset_war_work()
904 index = trb - ep->transfer_ring; in trb_virt_to_phys()
909 return (ep->transfer_ring_phys + index * sizeof(*trb)); in trb_virt_to_phys()
918 index = (addr - ep->transfer_ring_phys) / sizeof(*trb); in trb_phys_to_virt()
923 trb = &ep->transfer_ring[index]; in trb_phys_to_virt()
1037 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_req_done()
1039 dev_dbg(xudc->dev, "completing request %p on EP %u with status %d\n", in tegra_xudc_req_done()
1040 req, ep->index, status); in tegra_xudc_req_done()
1042 if (likely(req->usb_req.status == -EINPROGRESS)) in tegra_xudc_req_done()
1043 req->usb_req.status = status; in tegra_xudc_req_done()
1045 list_del_init(&req->list); in tegra_xudc_req_done()
1047 if (usb_endpoint_xfer_control(ep->desc)) { in tegra_xudc_req_done()
1048 usb_gadget_unmap_request(&xudc->gadget, &req->usb_req, in tegra_xudc_req_done()
1049 (xudc->setup_state == in tegra_xudc_req_done()
1052 usb_gadget_unmap_request(&xudc->gadget, &req->usb_req, in tegra_xudc_req_done()
1053 usb_endpoint_dir_in(ep->desc)); in tegra_xudc_req_done()
1056 spin_unlock(&xudc->lock); in tegra_xudc_req_done()
1057 usb_gadget_giveback_request(&ep->usb_ep, &req->usb_req); in tegra_xudc_req_done()
1058 spin_lock(&xudc->lock); in tegra_xudc_req_done()
1065 while (!list_empty(&ep->queue)) { in tegra_xudc_ep_nuke()
1066 req = list_first_entry(&ep->queue, struct tegra_xudc_request, in tegra_xudc_ep_nuke()
1074 if (ep->ring_full) in ep_available_trbs()
1077 if (ep->deq_ptr > ep->enq_ptr) in ep_available_trbs()
1078 return ep->deq_ptr - ep->enq_ptr - 1; in ep_available_trbs()
1080 return XUDC_TRANSFER_RING_SIZE - (ep->enq_ptr - ep->deq_ptr) - 2; in ep_available_trbs()
1088 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_queue_one_trb()
1092 len = min_t(size_t, XUDC_TRB_MAX_BUFFER_SIZE, req->usb_req.length - in tegra_xudc_queue_one_trb()
1093 req->buf_queued); in tegra_xudc_queue_one_trb()
1095 buf_addr = req->usb_req.dma + req->buf_queued; in tegra_xudc_queue_one_trb()
1102 trb_write_td_size(trb, req->trbs_needed - req->trbs_queued - 1); in tegra_xudc_queue_one_trb()
1104 if (req->trbs_queued == req->trbs_needed - 1 || in tegra_xudc_queue_one_trb()
1105 (req->need_zlp && req->trbs_queued == req->trbs_needed - 2)) in tegra_xudc_queue_one_trb()
1112 if (usb_endpoint_dir_out(ep->desc) || in tegra_xudc_queue_one_trb()
1113 (usb_endpoint_xfer_control(ep->desc) && in tegra_xudc_queue_one_trb()
1114 (xudc->setup_state == DATA_STAGE_RECV))) in tegra_xudc_queue_one_trb()
1119 if (usb_endpoint_xfer_control(ep->desc)) { in tegra_xudc_queue_one_trb()
1120 if (xudc->setup_state == DATA_STAGE_XFER || in tegra_xudc_queue_one_trb()
1121 xudc->setup_state == DATA_STAGE_RECV) in tegra_xudc_queue_one_trb()
1126 if (xudc->setup_state == DATA_STAGE_XFER || in tegra_xudc_queue_one_trb()
1127 xudc->setup_state == STATUS_STAGE_XFER) in tegra_xudc_queue_one_trb()
1131 } else if (usb_endpoint_xfer_isoc(ep->desc)) { in tegra_xudc_queue_one_trb()
1136 } else if (usb_ss_max_streams(ep->comp_desc)) { in tegra_xudc_queue_one_trb()
1138 trb_write_stream_id(trb, req->usb_req.stream_id); in tegra_xudc_queue_one_trb()
1144 trb_write_cycle(trb, ep->pcs); in tegra_xudc_queue_one_trb()
1146 req->trbs_queued++; in tegra_xudc_queue_one_trb()
1147 req->buf_queued += len; in tegra_xudc_queue_one_trb()
1159 count = req->trbs_needed - req->trbs_queued; in tegra_xudc_queue_trbs()
1162 ep->ring_full = true; in tegra_xudc_queue_trbs()
1166 * To generate zero-length packet on USB bus, SW needs schedule a in tegra_xudc_queue_trbs()
1167 * standalone zero-length TD. According to HW's behavior, SW needs in tegra_xudc_queue_trbs()
1171 * - Data stage TD (IOC = 1, CH = 0) in tegra_xudc_queue_trbs()
1172 * - Ring doorbell and wait transfer event in tegra_xudc_queue_trbs()
1173 * - Data stage TD for ZLP (IOC = 1, CH = 0) in tegra_xudc_queue_trbs()
1174 * - Ring doorbell in tegra_xudc_queue_trbs()
1177 * - Normal transfer TD (IOC = 0, CH = 0) in tegra_xudc_queue_trbs()
1178 * - Normal transfer TD for ZLP (IOC = 1, CH = 0) in tegra_xudc_queue_trbs()
1179 * - Ring doorbell in tegra_xudc_queue_trbs()
1182 if (req->need_zlp && usb_endpoint_xfer_control(ep->desc) && count > 1) in tegra_xudc_queue_trbs()
1185 if (!req->first_trb) in tegra_xudc_queue_trbs()
1186 req->first_trb = &ep->transfer_ring[ep->enq_ptr]; in tegra_xudc_queue_trbs()
1189 struct tegra_xudc_trb *trb = &ep->transfer_ring[ep->enq_ptr]; in tegra_xudc_queue_trbs()
1192 if ((i == count - 1) || (wait_td && i == count - 2)) in tegra_xudc_queue_trbs()
1196 req->last_trb = trb; in tegra_xudc_queue_trbs()
1198 ep->enq_ptr++; in tegra_xudc_queue_trbs()
1199 if (ep->enq_ptr == XUDC_TRANSFER_RING_SIZE - 1) { in tegra_xudc_queue_trbs()
1200 trb = &ep->transfer_ring[ep->enq_ptr]; in tegra_xudc_queue_trbs()
1201 trb_write_cycle(trb, ep->pcs); in tegra_xudc_queue_trbs()
1202 ep->pcs = !ep->pcs; in tegra_xudc_queue_trbs()
1203 ep->enq_ptr = 0; in tegra_xudc_queue_trbs()
1215 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_ep_ring_doorbell()
1218 if (list_empty(&ep->queue)) in tegra_xudc_ep_ring_doorbell()
1221 val = DB_TARGET(ep->index); in tegra_xudc_ep_ring_doorbell()
1222 if (usb_endpoint_xfer_control(ep->desc)) { in tegra_xudc_ep_ring_doorbell()
1223 val |= DB_STREAMID(xudc->setup_seq_num); in tegra_xudc_ep_ring_doorbell()
1224 } else if (usb_ss_max_streams(ep->comp_desc) > 0) { in tegra_xudc_ep_ring_doorbell()
1228 if (ep->stream_rejected) in tegra_xudc_ep_ring_doorbell()
1231 req = list_first_entry(&ep->queue, struct tegra_xudc_request, in tegra_xudc_ep_ring_doorbell()
1233 val |= DB_STREAMID(req->usb_req.stream_id); in tegra_xudc_ep_ring_doorbell()
1236 dev_dbg(xudc->dev, "ring doorbell: %#x\n", val); in tegra_xudc_ep_ring_doorbell()
1245 list_for_each_entry(req, &ep->queue, list) { in tegra_xudc_ep_kick_queue()
1246 if (ep->ring_full) in tegra_xudc_ep_kick_queue()
1260 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_queue()
1263 if (usb_endpoint_xfer_control(ep->desc) && !list_empty(&ep->queue)) { in __tegra_xudc_ep_queue()
1264 dev_err(xudc->dev, "control EP has pending transfers\n"); in __tegra_xudc_ep_queue()
1265 return -EINVAL; in __tegra_xudc_ep_queue()
1268 if (usb_endpoint_xfer_control(ep->desc)) { in __tegra_xudc_ep_queue()
1269 err = usb_gadget_map_request(&xudc->gadget, &req->usb_req, in __tegra_xudc_ep_queue()
1270 (xudc->setup_state == in __tegra_xudc_ep_queue()
1273 err = usb_gadget_map_request(&xudc->gadget, &req->usb_req, in __tegra_xudc_ep_queue()
1274 usb_endpoint_dir_in(ep->desc)); in __tegra_xudc_ep_queue()
1278 dev_err(xudc->dev, "failed to map request: %d\n", err); in __tegra_xudc_ep_queue()
1282 req->first_trb = NULL; in __tegra_xudc_ep_queue()
1283 req->last_trb = NULL; in __tegra_xudc_ep_queue()
1284 req->buf_queued = 0; in __tegra_xudc_ep_queue()
1285 req->trbs_queued = 0; in __tegra_xudc_ep_queue()
1286 req->need_zlp = false; in __tegra_xudc_ep_queue()
1287 req->trbs_needed = DIV_ROUND_UP(req->usb_req.length, in __tegra_xudc_ep_queue()
1289 if (req->usb_req.length == 0) in __tegra_xudc_ep_queue()
1290 req->trbs_needed++; in __tegra_xudc_ep_queue()
1292 if (!usb_endpoint_xfer_isoc(ep->desc) && in __tegra_xudc_ep_queue()
1293 req->usb_req.zero && req->usb_req.length && in __tegra_xudc_ep_queue()
1294 ((req->usb_req.length % ep->usb_ep.maxpacket) == 0)) { in __tegra_xudc_ep_queue()
1295 req->trbs_needed++; in __tegra_xudc_ep_queue()
1296 req->need_zlp = true; in __tegra_xudc_ep_queue()
1299 req->usb_req.status = -EINPROGRESS; in __tegra_xudc_ep_queue()
1300 req->usb_req.actual = 0; in __tegra_xudc_ep_queue()
1302 list_add_tail(&req->list, &ep->queue); in __tegra_xudc_ep_queue()
1320 return -EINVAL; in tegra_xudc_ep_queue()
1324 xudc = ep->xudc; in tegra_xudc_ep_queue()
1326 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_queue()
1327 if (xudc->powergated || !ep->desc) { in tegra_xudc_ep_queue()
1328 ret = -ESHUTDOWN; in tegra_xudc_ep_queue()
1334 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_queue()
1342 struct tegra_xudc_trb *trb = req->first_trb; in squeeze_transfer_ring()
1348 * and must correct trb cycle bit to the last un-enqueued state. in squeeze_transfer_ring()
1350 while (trb != &ep->transfer_ring[ep->enq_ptr]) { in squeeze_transfer_ring()
1357 trb = ep->transfer_ring; in squeeze_transfer_ring()
1360 /* Requests will be re-queued at the start of the cancelled request. */ in squeeze_transfer_ring()
1361 ep->enq_ptr = req->first_trb - ep->transfer_ring; in squeeze_transfer_ring()
1366 ep->pcs = pcs_enq; in squeeze_transfer_ring()
1367 ep->ring_full = false; in squeeze_transfer_ring()
1368 list_for_each_entry_continue(req, &ep->queue, list) { in squeeze_transfer_ring()
1369 req->usb_req.status = -EINPROGRESS; in squeeze_transfer_ring()
1370 req->usb_req.actual = 0; in squeeze_transfer_ring()
1372 req->first_trb = NULL; in squeeze_transfer_ring()
1373 req->last_trb = NULL; in squeeze_transfer_ring()
1374 req->buf_queued = 0; in squeeze_transfer_ring()
1375 req->trbs_queued = 0; in squeeze_transfer_ring()
1387 dev_dbg(ep->xudc->dev, "%s: request %p -> %p; trb %p\n", __func__, in trb_in_request()
1388 req->first_trb, req->last_trb, trb); in trb_in_request()
1390 if (trb >= req->first_trb && (trb <= req->last_trb || in trb_in_request()
1391 req->last_trb < req->first_trb)) in trb_in_request()
1394 if (trb < req->first_trb && trb <= req->last_trb && in trb_in_request()
1395 req->last_trb < req->first_trb) in trb_in_request()
1409 struct tegra_xudc_trb *enq_trb = &ep->transfer_ring[ep->enq_ptr]; in trb_before_request()
1411 dev_dbg(ep->xudc->dev, "%s: request %p -> %p; enq ptr: %p; trb %p\n", in trb_before_request()
1412 __func__, req->first_trb, req->last_trb, enq_trb, trb); in trb_before_request()
1414 if (trb < req->first_trb && (enq_trb <= trb || in trb_before_request()
1415 req->first_trb < enq_trb)) in trb_before_request()
1418 if (trb > req->first_trb && req->first_trb < enq_trb && enq_trb <= trb) in trb_before_request()
1428 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_dequeue()
1435 list_for_each_entry(iter, &ep->queue, list) { in __tegra_xudc_ep_dequeue()
1443 return -EINVAL; in __tegra_xudc_ep_dequeue()
1446 if (!req->trbs_queued) { in __tegra_xudc_ep_dequeue()
1447 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1452 if (ep_ctx_read_state(ep->context) == EP_STATE_RUNNING) { in __tegra_xudc_ep_dequeue()
1453 ep_pause(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1454 ep_wait_for_inactive(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1457 deq_trb = trb_phys_to_virt(ep, ep_ctx_read_deq_ptr(ep->context)); in __tegra_xudc_ep_dequeue()
1459 busy = (trb_read_cycle(deq_trb) == ep_ctx_read_dcs(ep->context)); in __tegra_xudc_ep_dequeue()
1470 req->usb_req.actual = ep_ctx_read_edtla(ep->context); in __tegra_xudc_ep_dequeue()
1471 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1475 if (req->usb_req.actual > 0) { in __tegra_xudc_ep_dequeue()
1480 ep_ctx_write_edtla(ep->context, 0); in __tegra_xudc_ep_dequeue()
1481 ep_ctx_write_partial_td(ep->context, 0); in __tegra_xudc_ep_dequeue()
1482 ep_ctx_write_data_offset(ep->context, 0); in __tegra_xudc_ep_dequeue()
1485 &ep->transfer_ring[ep->enq_ptr]); in __tegra_xudc_ep_dequeue()
1487 if (dma_mapping_error(xudc->dev, deq_ptr)) { in __tegra_xudc_ep_dequeue()
1488 ret = -EINVAL; in __tegra_xudc_ep_dequeue()
1490 ep_ctx_write_deq_ptr(ep->context, deq_ptr); in __tegra_xudc_ep_dequeue()
1491 ep_ctx_write_dcs(ep->context, ep->pcs); in __tegra_xudc_ep_dequeue()
1492 ep_reload(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1499 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1506 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1507 ret = -EINVAL; in __tegra_xudc_ep_dequeue()
1511 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1529 return -EINVAL; in tegra_xudc_ep_dequeue()
1533 xudc = ep->xudc; in tegra_xudc_ep_dequeue()
1535 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_dequeue()
1537 if (xudc->powergated || !ep->desc) { in tegra_xudc_ep_dequeue()
1538 ret = -ESHUTDOWN; in tegra_xudc_ep_dequeue()
1544 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_dequeue()
1551 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_set_halt()
1553 if (!ep->desc) in __tegra_xudc_ep_set_halt()
1554 return -EINVAL; in __tegra_xudc_ep_set_halt()
1556 if (usb_endpoint_xfer_isoc(ep->desc)) { in __tegra_xudc_ep_set_halt()
1557 dev_err(xudc->dev, "can't halt isochronous EP\n"); in __tegra_xudc_ep_set_halt()
1558 return -ENOTSUPP; in __tegra_xudc_ep_set_halt()
1562 ep_halt(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1564 ep_ctx_write_state(ep->context, EP_STATE_DISABLED); in __tegra_xudc_ep_set_halt()
1566 ep_reload(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1568 ep_ctx_write_state(ep->context, EP_STATE_RUNNING); in __tegra_xudc_ep_set_halt()
1569 ep_ctx_write_rsvd(ep->context, 0); in __tegra_xudc_ep_set_halt()
1570 ep_ctx_write_partial_td(ep->context, 0); in __tegra_xudc_ep_set_halt()
1571 ep_ctx_write_splitxstate(ep->context, 0); in __tegra_xudc_ep_set_halt()
1572 ep_ctx_write_seq_num(ep->context, 0); in __tegra_xudc_ep_set_halt()
1574 ep_reload(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1575 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1576 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1592 return -EINVAL; in tegra_xudc_ep_set_halt()
1595 xudc = ep->xudc; in tegra_xudc_ep_set_halt()
1597 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_set_halt()
1598 if (xudc->powergated) { in tegra_xudc_ep_set_halt()
1599 ret = -ESHUTDOWN; in tegra_xudc_ep_set_halt()
1603 if (value && usb_endpoint_dir_in(ep->desc) && in tegra_xudc_ep_set_halt()
1604 !list_empty(&ep->queue)) { in tegra_xudc_ep_set_halt()
1605 dev_err(xudc->dev, "can't halt EP with requests pending\n"); in tegra_xudc_ep_set_halt()
1606 ret = -EAGAIN; in tegra_xudc_ep_set_halt()
1612 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_set_halt()
1619 const struct usb_endpoint_descriptor *desc = ep->desc; in tegra_xudc_ep_context_setup()
1620 const struct usb_ss_ep_comp_descriptor *comp_desc = ep->comp_desc; in tegra_xudc_ep_context_setup()
1621 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_ep_context_setup()
1626 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep_context_setup()
1628 maxburst = comp_desc->bMaxBurst; in tegra_xudc_ep_context_setup()
1631 esit = le16_to_cpu(comp_desc->wBytesPerInterval); in tegra_xudc_ep_context_setup()
1632 } else if ((xudc->gadget.speed < USB_SPEED_SUPER) && in tegra_xudc_ep_context_setup()
1635 if (xudc->gadget.speed == USB_SPEED_HIGH) { in tegra_xudc_ep_context_setup()
1636 maxburst = usb_endpoint_maxp_mult(desc) - 1; in tegra_xudc_ep_context_setup()
1638 dev_warn(xudc->dev, in tegra_xudc_ep_context_setup()
1646 memset(ep->context, 0, sizeof(*ep->context)); in tegra_xudc_ep_context_setup()
1648 ep_ctx_write_state(ep->context, EP_STATE_RUNNING); in tegra_xudc_ep_context_setup()
1649 ep_ctx_write_interval(ep->context, desc->bInterval); in tegra_xudc_ep_context_setup()
1650 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep_context_setup()
1652 ep_ctx_write_mult(ep->context, in tegra_xudc_ep_context_setup()
1653 comp_desc->bmAttributes & 0x3); in tegra_xudc_ep_context_setup()
1657 ep_ctx_write_max_pstreams(ep->context, in tegra_xudc_ep_context_setup()
1658 comp_desc->bmAttributes & in tegra_xudc_ep_context_setup()
1660 ep_ctx_write_lsa(ep->context, 1); in tegra_xudc_ep_context_setup()
1669 ep_ctx_write_type(ep->context, val); in tegra_xudc_ep_context_setup()
1670 ep_ctx_write_cerr(ep->context, 0x3); in tegra_xudc_ep_context_setup()
1671 ep_ctx_write_max_packet_size(ep->context, maxpacket); in tegra_xudc_ep_context_setup()
1672 ep_ctx_write_max_burst_size(ep->context, maxburst); in tegra_xudc_ep_context_setup()
1674 ep_ctx_write_deq_ptr(ep->context, ep->transfer_ring_phys); in tegra_xudc_ep_context_setup()
1675 ep_ctx_write_dcs(ep->context, ep->pcs); in tegra_xudc_ep_context_setup()
1692 ep_ctx_write_avg_trb_len(ep->context, val); in tegra_xudc_ep_context_setup()
1693 ep_ctx_write_max_esit_payload(ep->context, esit); in tegra_xudc_ep_context_setup()
1695 ep_ctx_write_cerrcnt(ep->context, 0x3); in tegra_xudc_ep_context_setup()
1701 trb_write_data_ptr(trb, ep->transfer_ring_phys); in setup_link_trb()
1708 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_disable()
1710 if (ep_ctx_read_state(ep->context) == EP_STATE_DISABLED) { in __tegra_xudc_ep_disable()
1711 dev_err(xudc->dev, "endpoint %u already disabled\n", in __tegra_xudc_ep_disable()
1712 ep->index); in __tegra_xudc_ep_disable()
1713 return -EINVAL; in __tegra_xudc_ep_disable()
1716 ep_ctx_write_state(ep->context, EP_STATE_DISABLED); in __tegra_xudc_ep_disable()
1718 ep_reload(xudc, ep->index); in __tegra_xudc_ep_disable()
1720 tegra_xudc_ep_nuke(ep, -ESHUTDOWN); in __tegra_xudc_ep_disable()
1722 xudc->nr_enabled_eps--; in __tegra_xudc_ep_disable()
1723 if (usb_endpoint_xfer_isoc(ep->desc)) in __tegra_xudc_ep_disable()
1724 xudc->nr_isoch_eps--; in __tegra_xudc_ep_disable()
1726 ep->desc = NULL; in __tegra_xudc_ep_disable()
1727 ep->comp_desc = NULL; in __tegra_xudc_ep_disable()
1729 memset(ep->context, 0, sizeof(*ep->context)); in __tegra_xudc_ep_disable()
1731 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_disable()
1732 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_disable()
1733 if (xudc_readl(xudc, EP_STOPPED) & BIT(ep->index)) in __tegra_xudc_ep_disable()
1734 xudc_writel(xudc, BIT(ep->index), EP_STOPPED); in __tegra_xudc_ep_disable()
1737 * If this is the last endpoint disabled in a de-configure request, in __tegra_xudc_ep_disable()
1740 if ((xudc->device_state == USB_STATE_CONFIGURED) && in __tegra_xudc_ep_disable()
1741 (xudc->nr_enabled_eps == 1)) { in __tegra_xudc_ep_disable()
1744 xudc->device_state = USB_STATE_ADDRESS; in __tegra_xudc_ep_disable()
1745 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in __tegra_xudc_ep_disable()
1756 dev_info(xudc->dev, "ep %u disabled\n", ep->index); in __tegra_xudc_ep_disable()
1769 return -EINVAL; in tegra_xudc_ep_disable()
1772 xudc = ep->xudc; in tegra_xudc_ep_disable()
1774 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_disable()
1775 if (xudc->powergated) { in tegra_xudc_ep_disable()
1776 ret = -ESHUTDOWN; in tegra_xudc_ep_disable()
1782 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_disable()
1790 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_enable()
1794 if (xudc->gadget.speed == USB_SPEED_SUPER && in __tegra_xudc_ep_enable()
1795 !usb_endpoint_xfer_control(desc) && !ep->usb_ep.comp_desc) in __tegra_xudc_ep_enable()
1796 return -EINVAL; in __tegra_xudc_ep_enable()
1799 if (ep_ctx_read_state(ep->context) != EP_STATE_DISABLED) in __tegra_xudc_ep_enable()
1802 ep->desc = desc; in __tegra_xudc_ep_enable()
1803 ep->comp_desc = ep->usb_ep.comp_desc; in __tegra_xudc_ep_enable()
1806 if (xudc->nr_isoch_eps > XUDC_MAX_ISOCH_EPS) { in __tegra_xudc_ep_enable()
1807 dev_err(xudc->dev, "too many isochronous endpoints\n"); in __tegra_xudc_ep_enable()
1808 return -EBUSY; in __tegra_xudc_ep_enable()
1810 xudc->nr_isoch_eps++; in __tegra_xudc_ep_enable()
1813 memset(ep->transfer_ring, 0, XUDC_TRANSFER_RING_SIZE * in __tegra_xudc_ep_enable()
1814 sizeof(*ep->transfer_ring)); in __tegra_xudc_ep_enable()
1815 setup_link_trb(ep, &ep->transfer_ring[XUDC_TRANSFER_RING_SIZE - 1]); in __tegra_xudc_ep_enable()
1817 ep->enq_ptr = 0; in __tegra_xudc_ep_enable()
1818 ep->deq_ptr = 0; in __tegra_xudc_ep_enable()
1819 ep->pcs = true; in __tegra_xudc_ep_enable()
1820 ep->ring_full = false; in __tegra_xudc_ep_enable()
1821 xudc->nr_enabled_eps++; in __tegra_xudc_ep_enable()
1826 * No need to reload and un-halt EP0. This will be done automatically in __tegra_xudc_ep_enable()
1833 * Transition to configured state once the first non-control in __tegra_xudc_ep_enable()
1836 if (xudc->device_state == USB_STATE_ADDRESS) { in __tegra_xudc_ep_enable()
1841 xudc->device_state = USB_STATE_CONFIGURED; in __tegra_xudc_ep_enable()
1842 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in __tegra_xudc_ep_enable()
1850 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in __tegra_xudc_ep_enable()
1851 if (xudc->ep[i].desc && in __tegra_xudc_ep_enable()
1852 usb_endpoint_xfer_bulk(xudc->ep[i].desc)) in __tegra_xudc_ep_enable()
1857 ep_reload(xudc, ep->index); in __tegra_xudc_ep_enable()
1858 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_enable()
1859 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_enable()
1862 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in __tegra_xudc_ep_enable()
1863 if (xudc->ep[i].desc && in __tegra_xudc_ep_enable()
1864 usb_endpoint_xfer_bulk(xudc->ep[i].desc)) in __tegra_xudc_ep_enable()
1870 dev_info(xudc->dev, "EP %u (type: %s, dir: %s) enabled\n", ep->index, in __tegra_xudc_ep_enable()
1871 usb_ep_type_string(usb_endpoint_type(ep->desc)), in __tegra_xudc_ep_enable()
1872 usb_endpoint_dir_in(ep->desc) ? "in" : "out"); in __tegra_xudc_ep_enable()
1885 if (!usb_ep || !desc || (desc->bDescriptorType != USB_DT_ENDPOINT)) in tegra_xudc_ep_enable()
1886 return -EINVAL; in tegra_xudc_ep_enable()
1889 xudc = ep->xudc; in tegra_xudc_ep_enable()
1891 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_enable()
1892 if (xudc->powergated) { in tegra_xudc_ep_enable()
1893 ret = -ESHUTDOWN; in tegra_xudc_ep_enable()
1899 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_enable()
1913 INIT_LIST_HEAD(&req->list); in tegra_xudc_ep_alloc_request()
1915 return &req->usb_req; in tegra_xudc_ep_alloc_request()
1939 return -EBUSY; in tegra_xudc_ep0_enable()
1944 return -EBUSY; in tegra_xudc_ep0_disable()
1963 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_get_frame()
1964 if (xudc->powergated) { in tegra_xudc_gadget_get_frame()
1965 ret = -ESHUTDOWN; in tegra_xudc_gadget_get_frame()
1972 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_get_frame()
1992 if (xudc->device_state == USB_STATE_SUSPENDED) { in tegra_xudc_resume_device_state()
1993 xudc->device_state = xudc->resume_state; in tegra_xudc_resume_device_state()
1994 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_resume_device_state()
1995 xudc->resume_state = 0; in tegra_xudc_resume_device_state()
2003 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_resume_device_state()
2004 tegra_xudc_ep_ring_doorbell(&xudc->ep[i]); in tegra_xudc_resume_device_state()
2014 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_wakeup()
2016 if (xudc->powergated) { in tegra_xudc_gadget_wakeup()
2017 ret = -ESHUTDOWN; in tegra_xudc_gadget_wakeup()
2021 dev_dbg(xudc->dev, "%s: PORTPM=%#x, speed=%x\n", __func__, in tegra_xudc_gadget_wakeup()
2022 val, gadget->speed); in tegra_xudc_gadget_wakeup()
2024 if (((xudc->gadget.speed <= USB_SPEED_HIGH) && in tegra_xudc_gadget_wakeup()
2026 ((xudc->gadget.speed == USB_SPEED_SUPER) && in tegra_xudc_gadget_wakeup()
2031 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_gadget_wakeup()
2040 dev_dbg(xudc->dev, "%s: ret value is %d", __func__, ret); in tegra_xudc_gadget_wakeup()
2041 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_wakeup()
2052 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_pullup()
2054 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_pullup()
2056 if (is_on != xudc->pullup) { in tegra_xudc_gadget_pullup()
2065 xudc->pullup = is_on; in tegra_xudc_gadget_pullup()
2066 dev_dbg(xudc->dev, "%s: pullup:%d", __func__, is_on); in tegra_xudc_gadget_pullup()
2068 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_pullup()
2070 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_pullup()
2085 return -EINVAL; in tegra_xudc_gadget_start()
2087 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_start()
2089 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_start()
2091 if (xudc->driver) { in tegra_xudc_gadget_start()
2092 ret = -EBUSY; in tegra_xudc_gadget_start()
2096 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_gadget_start()
2097 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_gadget_start()
2098 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_gadget_start()
2100 ret = __tegra_xudc_ep_enable(&xudc->ep[0], &tegra_xudc_ep0_desc); in tegra_xudc_gadget_start()
2112 if (xudc->pullup) { in tegra_xudc_gadget_start()
2118 for (i = 0; i < xudc->soc->num_phys; i++) in tegra_xudc_gadget_start()
2119 if (xudc->usbphy[i]) in tegra_xudc_gadget_start()
2120 otg_set_peripheral(xudc->usbphy[i]->otg, gadget); in tegra_xudc_gadget_start()
2122 xudc->driver = driver; in tegra_xudc_gadget_start()
2124 dev_dbg(xudc->dev, "%s: ret value is %d", __func__, ret); in tegra_xudc_gadget_start()
2125 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_start()
2127 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_start()
2139 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_stop()
2141 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_stop()
2143 for (i = 0; i < xudc->soc->num_phys; i++) in tegra_xudc_gadget_stop()
2144 if (xudc->usbphy[i]) in tegra_xudc_gadget_stop()
2145 otg_set_peripheral(xudc->usbphy[i]->otg, NULL); in tegra_xudc_gadget_stop()
2151 __tegra_xudc_ep_disable(&xudc->ep[0]); in tegra_xudc_gadget_stop()
2153 xudc->driver = NULL; in tegra_xudc_gadget_stop()
2154 dev_dbg(xudc->dev, "Gadget stopped"); in tegra_xudc_gadget_stop()
2156 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_stop()
2158 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_stop()
2168 dev_dbg(xudc->dev, "%s: %u mA\n", __func__, m_a); in tegra_xudc_gadget_vbus_draw()
2170 if (xudc->curr_usbphy && xudc->curr_usbphy->chg_type == SDP_TYPE) in tegra_xudc_gadget_vbus_draw()
2171 return usb_phy_set_power(xudc->curr_usbphy, m_a); in tegra_xudc_gadget_vbus_draw()
2180 dev_dbg(xudc->dev, "%s: %d\n", __func__, is_on); in tegra_xudc_set_selfpowered()
2181 xudc->selfpowered = !!is_on; in tegra_xudc_set_selfpowered()
2204 xudc->ep0_req->usb_req.buf = NULL; in tegra_xudc_ep0_queue_status()
2205 xudc->ep0_req->usb_req.dma = 0; in tegra_xudc_ep0_queue_status()
2206 xudc->ep0_req->usb_req.length = 0; in tegra_xudc_ep0_queue_status()
2207 xudc->ep0_req->usb_req.complete = cmpl; in tegra_xudc_ep0_queue_status()
2208 xudc->ep0_req->usb_req.context = xudc; in tegra_xudc_ep0_queue_status()
2210 return __tegra_xudc_ep_queue(&xudc->ep[0], xudc->ep0_req); in tegra_xudc_ep0_queue_status()
2217 xudc->ep0_req->usb_req.buf = buf; in tegra_xudc_ep0_queue_data()
2218 xudc->ep0_req->usb_req.length = len; in tegra_xudc_ep0_queue_data()
2219 xudc->ep0_req->usb_req.complete = cmpl; in tegra_xudc_ep0_queue_data()
2220 xudc->ep0_req->usb_req.context = xudc; in tegra_xudc_ep0_queue_data()
2222 return __tegra_xudc_ep_queue(&xudc->ep[0], xudc->ep0_req); in tegra_xudc_ep0_queue_data()
2227 switch (xudc->setup_state) { in tegra_xudc_ep0_req_done()
2229 xudc->setup_state = STATUS_STAGE_RECV; in tegra_xudc_ep0_req_done()
2233 xudc->setup_state = STATUS_STAGE_XFER; in tegra_xudc_ep0_req_done()
2237 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_ep0_req_done()
2247 spin_unlock(&xudc->lock); in tegra_xudc_ep0_delegate_req()
2248 ret = xudc->driver->setup(&xudc->gadget, ctrl); in tegra_xudc_ep0_delegate_req()
2249 spin_lock(&xudc->lock); in tegra_xudc_ep0_delegate_req()
2256 struct tegra_xudc *xudc = req->context; in set_feature_complete()
2258 if (xudc->test_mode_pattern) { in set_feature_complete()
2259 xudc_writel(xudc, xudc->test_mode_pattern, PORT_TM); in set_feature_complete()
2260 xudc->test_mode_pattern = 0; in set_feature_complete()
2267 bool set = (ctrl->bRequest == USB_REQ_SET_FEATURE); in tegra_xudc_ep0_set_feature()
2268 u32 feature = le16_to_cpu(ctrl->wValue); in tegra_xudc_ep0_set_feature()
2269 u32 index = le16_to_cpu(ctrl->wIndex); in tegra_xudc_ep0_set_feature()
2273 if (le16_to_cpu(ctrl->wLength) != 0) in tegra_xudc_ep0_set_feature()
2274 return -EINVAL; in tegra_xudc_ep0_set_feature()
2276 switch (ctrl->bRequestType & USB_RECIP_MASK) { in tegra_xudc_ep0_set_feature()
2280 if ((xudc->gadget.speed == USB_SPEED_SUPER) || in tegra_xudc_ep0_set_feature()
2281 (xudc->device_state == USB_STATE_DEFAULT)) in tegra_xudc_ep0_set_feature()
2282 return -EINVAL; in tegra_xudc_ep0_set_feature()
2294 if ((xudc->device_state != USB_STATE_CONFIGURED) || in tegra_xudc_ep0_set_feature()
2295 (xudc->gadget.speed != USB_SPEED_SUPER)) in tegra_xudc_ep0_set_feature()
2296 return -EINVAL; in tegra_xudc_ep0_set_feature()
2300 xudc->soc->u1_enable) { in tegra_xudc_ep0_set_feature()
2308 xudc->soc->u2_enable) { in tegra_xudc_ep0_set_feature()
2318 if (xudc->gadget.speed != USB_SPEED_HIGH) in tegra_xudc_ep0_set_feature()
2319 return -EINVAL; in tegra_xudc_ep0_set_feature()
2322 return -EINVAL; in tegra_xudc_ep0_set_feature()
2324 xudc->test_mode_pattern = index >> 8; in tegra_xudc_ep0_set_feature()
2327 return -EINVAL; in tegra_xudc_ep0_set_feature()
2332 if (xudc->device_state != USB_STATE_CONFIGURED) in tegra_xudc_ep0_set_feature()
2333 return -EINVAL; in tegra_xudc_ep0_set_feature()
2350 return -EINVAL; in tegra_xudc_ep0_set_feature()
2358 if ((xudc->device_state == USB_STATE_DEFAULT) || in tegra_xudc_ep0_set_feature()
2359 ((xudc->device_state == USB_STATE_ADDRESS) && in tegra_xudc_ep0_set_feature()
2361 return -EINVAL; in tegra_xudc_ep0_set_feature()
2363 ret = __tegra_xudc_ep_set_halt(&xudc->ep[ep], set); in tegra_xudc_ep0_set_feature()
2368 return -EINVAL; in tegra_xudc_ep0_set_feature()
2378 u32 val, ep, index = le16_to_cpu(ctrl->wIndex); in tegra_xudc_ep0_get_status()
2381 if (!(ctrl->bRequestType & USB_DIR_IN)) in tegra_xudc_ep0_get_status()
2382 return -EINVAL; in tegra_xudc_ep0_get_status()
2384 if ((le16_to_cpu(ctrl->wValue) != 0) || in tegra_xudc_ep0_get_status()
2385 (le16_to_cpu(ctrl->wLength) != 2)) in tegra_xudc_ep0_get_status()
2386 return -EINVAL; in tegra_xudc_ep0_get_status()
2388 switch (ctrl->bRequestType & USB_RECIP_MASK) { in tegra_xudc_ep0_get_status()
2392 if (xudc->selfpowered) in tegra_xudc_ep0_get_status()
2395 if ((xudc->gadget.speed < USB_SPEED_SUPER) && in tegra_xudc_ep0_get_status()
2399 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep0_get_status()
2407 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep0_get_status()
2417 ep_ctx = &xudc->ep_context[ep]; in tegra_xudc_ep0_get_status()
2419 if ((xudc->device_state != USB_STATE_CONFIGURED) && in tegra_xudc_ep0_get_status()
2420 ((xudc->device_state != USB_STATE_ADDRESS) || (ep != 0))) in tegra_xudc_ep0_get_status()
2421 return -EINVAL; in tegra_xudc_ep0_get_status()
2424 return -EINVAL; in tegra_xudc_ep0_get_status()
2430 return -EINVAL; in tegra_xudc_ep0_get_status()
2433 xudc->status_buf = cpu_to_le16(status); in tegra_xudc_ep0_get_status()
2434 return tegra_xudc_ep0_queue_data(xudc, &xudc->status_buf, in tegra_xudc_ep0_get_status()
2435 sizeof(xudc->status_buf), in tegra_xudc_ep0_get_status()
2447 if (ctrl->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE | in tegra_xudc_ep0_set_sel()
2449 return -EINVAL; in tegra_xudc_ep0_set_sel()
2451 if (xudc->device_state == USB_STATE_DEFAULT) in tegra_xudc_ep0_set_sel()
2452 return -EINVAL; in tegra_xudc_ep0_set_sel()
2454 if ((le16_to_cpu(ctrl->wIndex) != 0) || in tegra_xudc_ep0_set_sel()
2455 (le16_to_cpu(ctrl->wValue) != 0) || in tegra_xudc_ep0_set_sel()
2456 (le16_to_cpu(ctrl->wLength) != 6)) in tegra_xudc_ep0_set_sel()
2457 return -EINVAL; in tegra_xudc_ep0_set_sel()
2459 return tegra_xudc_ep0_queue_data(xudc, &xudc->sel_timing, in tegra_xudc_ep0_set_sel()
2460 sizeof(xudc->sel_timing), in tegra_xudc_ep0_set_sel()
2472 u32 delay = le16_to_cpu(ctrl->wValue); in tegra_xudc_ep0_set_isoch_delay()
2474 if (ctrl->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE | in tegra_xudc_ep0_set_isoch_delay()
2476 return -EINVAL; in tegra_xudc_ep0_set_isoch_delay()
2478 if ((delay > 65535) || (le16_to_cpu(ctrl->wIndex) != 0) || in tegra_xudc_ep0_set_isoch_delay()
2479 (le16_to_cpu(ctrl->wLength) != 0)) in tegra_xudc_ep0_set_isoch_delay()
2480 return -EINVAL; in tegra_xudc_ep0_set_isoch_delay()
2482 xudc->isoch_delay = delay; in tegra_xudc_ep0_set_isoch_delay()
2489 struct tegra_xudc *xudc = req->context; in set_address_complete()
2491 if ((xudc->device_state == USB_STATE_DEFAULT) && in set_address_complete()
2492 (xudc->dev_addr != 0)) { in set_address_complete()
2493 xudc->device_state = USB_STATE_ADDRESS; in set_address_complete()
2494 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in set_address_complete()
2495 } else if ((xudc->device_state == USB_STATE_ADDRESS) && in set_address_complete()
2496 (xudc->dev_addr == 0)) { in set_address_complete()
2497 xudc->device_state = USB_STATE_DEFAULT; in set_address_complete()
2498 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in set_address_complete()
2505 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_ep0_set_address()
2506 u32 val, addr = le16_to_cpu(ctrl->wValue); in tegra_xudc_ep0_set_address()
2508 if (ctrl->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE | in tegra_xudc_ep0_set_address()
2510 return -EINVAL; in tegra_xudc_ep0_set_address()
2512 if ((addr > 127) || (le16_to_cpu(ctrl->wIndex) != 0) || in tegra_xudc_ep0_set_address()
2513 (le16_to_cpu(ctrl->wLength) != 0)) in tegra_xudc_ep0_set_address()
2514 return -EINVAL; in tegra_xudc_ep0_set_address()
2516 if (xudc->device_state == USB_STATE_CONFIGURED) in tegra_xudc_ep0_set_address()
2517 return -EINVAL; in tegra_xudc_ep0_set_address()
2519 dev_dbg(xudc->dev, "set address: %u\n", addr); in tegra_xudc_ep0_set_address()
2521 xudc->dev_addr = addr; in tegra_xudc_ep0_set_address()
2527 ep_ctx_write_devaddr(ep0->context, addr); in tegra_xudc_ep0_set_address()
2537 switch (ctrl->bRequest) { in tegra_xudc_ep0_standard_req()
2539 dev_dbg(xudc->dev, "USB_REQ_GET_STATUS\n"); in tegra_xudc_ep0_standard_req()
2543 dev_dbg(xudc->dev, "USB_REQ_SET_ADDRESS\n"); in tegra_xudc_ep0_standard_req()
2547 dev_dbg(xudc->dev, "USB_REQ_SET_SEL\n"); in tegra_xudc_ep0_standard_req()
2551 dev_dbg(xudc->dev, "USB_REQ_SET_ISOCH_DELAY\n"); in tegra_xudc_ep0_standard_req()
2556 dev_dbg(xudc->dev, "USB_REQ_CLEAR/SET_FEATURE\n"); in tegra_xudc_ep0_standard_req()
2560 dev_dbg(xudc->dev, "USB_REQ_SET_CONFIGURATION\n"); in tegra_xudc_ep0_standard_req()
2581 xudc->setup_seq_num = seq_num; in tegra_xudc_handle_ep0_setup_packet()
2590 if (xudc->soc->invalid_seq_num && in tegra_xudc_handle_ep0_setup_packet()
2592 dev_warn(xudc->dev, "invalid sequence number detected\n"); in tegra_xudc_handle_ep0_setup_packet()
2597 if (ctrl->wLength) in tegra_xudc_handle_ep0_setup_packet()
2598 xudc->setup_state = (ctrl->bRequestType & USB_DIR_IN) ? in tegra_xudc_handle_ep0_setup_packet()
2601 xudc->setup_state = STATUS_STAGE_XFER; in tegra_xudc_handle_ep0_setup_packet()
2603 if ((ctrl->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) in tegra_xudc_handle_ep0_setup_packet()
2609 dev_warn(xudc->dev, "setup request failed: %d\n", ret); in tegra_xudc_handle_ep0_setup_packet()
2610 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_handle_ep0_setup_packet()
2621 if (xudc->setup_state != WAIT_FOR_SETUP) { in tegra_xudc_handle_ep0_event()
2628 memcpy(&xudc->setup_packet.ctrl_req, ctrl, sizeof(*ctrl)); in tegra_xudc_handle_ep0_event()
2629 xudc->setup_packet.seq_num = seq_num; in tegra_xudc_handle_ep0_event()
2630 xudc->queued_setup_packet = true; in tegra_xudc_handle_ep0_event()
2641 list_for_each_entry(req, &ep->queue, list) { in trb_to_request()
2642 if (!req->trbs_queued) in trb_to_request()
2671 (req->trbs_needed == req->trbs_queued)))) { in tegra_xudc_handle_transfer_completion()
2672 struct tegra_xudc_trb *last = req->last_trb; in tegra_xudc_handle_transfer_completion()
2676 req->usb_req.actual = req->usb_req.length - residual; in tegra_xudc_handle_transfer_completion()
2678 dev_dbg(xudc->dev, "bytes transferred %u / %u\n", in tegra_xudc_handle_transfer_completion()
2679 req->usb_req.actual, req->usb_req.length); in tegra_xudc_handle_transfer_completion()
2683 if (ep->desc && usb_endpoint_xfer_control(ep->desc)) in tegra_xudc_handle_transfer_completion()
2691 ep->deq_ptr = (last - ep->transfer_ring) + 1; in tegra_xudc_handle_transfer_completion()
2692 if (ep->deq_ptr == XUDC_TRANSFER_RING_SIZE - 1) in tegra_xudc_handle_transfer_completion()
2693 ep->deq_ptr = 0; in tegra_xudc_handle_transfer_completion()
2696 dev_warn(xudc->dev, "transfer event on dequeued request\n"); in tegra_xudc_handle_transfer_completion()
2699 if (ep->desc) in tegra_xudc_handle_transfer_completion()
2707 struct tegra_xudc_ep *ep = &xudc->ep[ep_index]; in tegra_xudc_handle_transfer_event()
2711 if (ep_ctx_read_state(ep->context) == EP_STATE_DISABLED) { in tegra_xudc_handle_transfer_event()
2712 dev_warn(xudc->dev, "transfer event on disabled EP %u\n", in tegra_xudc_handle_transfer_event()
2721 ep->deq_ptr = (trb - ep->transfer_ring) + 1; in tegra_xudc_handle_transfer_event()
2723 if (ep->deq_ptr == XUDC_TRANSFER_RING_SIZE - 1) in tegra_xudc_handle_transfer_event()
2724 ep->deq_ptr = 0; in tegra_xudc_handle_transfer_event()
2725 ep->ring_full = false; in tegra_xudc_handle_transfer_event()
2734 dev_info(xudc->dev, "stream rejected on EP %u\n", ep_index); in tegra_xudc_handle_transfer_event()
2736 ep->stream_rejected = true; in tegra_xudc_handle_transfer_event()
2739 dev_info(xudc->dev, "prime pipe received on EP %u\n", ep_index); in tegra_xudc_handle_transfer_event()
2741 if (ep->stream_rejected) { in tegra_xudc_handle_transfer_event()
2742 ep->stream_rejected = false; in tegra_xudc_handle_transfer_event()
2746 * un-stop it. in tegra_xudc_handle_transfer_event()
2758 ep->enq_ptr = ep->deq_ptr; in tegra_xudc_handle_transfer_event()
2759 tegra_xudc_ep_nuke(ep, -EIO); in tegra_xudc_handle_transfer_event()
2769 dev_err(xudc->dev, "completion error %#x on EP %u\n", in tegra_xudc_handle_transfer_event()
2775 dev_info(xudc->dev, "sequence number error\n"); in tegra_xudc_handle_transfer_event()
2781 tegra_xudc_ep_nuke(ep, -EINVAL); in tegra_xudc_handle_transfer_event()
2782 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_handle_transfer_event()
2783 if (!xudc->queued_setup_packet) in tegra_xudc_handle_transfer_event()
2787 &xudc->setup_packet.ctrl_req, in tegra_xudc_handle_transfer_event()
2788 xudc->setup_packet.seq_num); in tegra_xudc_handle_transfer_event()
2789 xudc->queued_setup_packet = false; in tegra_xudc_handle_transfer_event()
2792 dev_dbg(xudc->dev, "stop completion code on EP %u\n", in tegra_xudc_handle_transfer_event()
2796 tegra_xudc_ep_nuke(ep, -ECONNREFUSED); in tegra_xudc_handle_transfer_event()
2799 dev_dbg(xudc->dev, "completion event %#x on EP %u\n", in tegra_xudc_handle_transfer_event()
2807 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_reset()
2811 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_reset()
2812 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_reset()
2813 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_reset()
2817 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_reset()
2818 tegra_xudc_ep_nuke(&xudc->ep[i], -ESHUTDOWN); in tegra_xudc_reset()
2824 ep0->deq_ptr = ep0->enq_ptr; in tegra_xudc_reset()
2825 ep0->ring_full = false; in tegra_xudc_reset()
2827 xudc->setup_seq_num = 0; in tegra_xudc_reset()
2828 xudc->queued_setup_packet = false; in tegra_xudc_reset()
2830 ep_ctx_write_rsvd(ep0->context, 0); in tegra_xudc_reset()
2831 ep_ctx_write_partial_td(ep0->context, 0); in tegra_xudc_reset()
2832 ep_ctx_write_splitxstate(ep0->context, 0); in tegra_xudc_reset()
2833 ep_ctx_write_seq_num(ep0->context, 0); in tegra_xudc_reset()
2835 deq_ptr = trb_virt_to_phys(ep0, &ep0->transfer_ring[ep0->deq_ptr]); in tegra_xudc_reset()
2837 if (!dma_mapping_error(xudc->dev, deq_ptr)) { in tegra_xudc_reset()
2838 ep_ctx_write_deq_ptr(ep0->context, deq_ptr); in tegra_xudc_reset()
2839 ep_ctx_write_dcs(ep0->context, ep0->pcs); in tegra_xudc_reset()
2849 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_port_connect()
2856 xudc->gadget.speed = USB_SPEED_LOW; in tegra_xudc_port_connect()
2859 xudc->gadget.speed = USB_SPEED_FULL; in tegra_xudc_port_connect()
2862 xudc->gadget.speed = USB_SPEED_HIGH; in tegra_xudc_port_connect()
2865 xudc->gadget.speed = USB_SPEED_SUPER; in tegra_xudc_port_connect()
2868 xudc->gadget.speed = USB_SPEED_UNKNOWN; in tegra_xudc_port_connect()
2872 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_port_connect()
2873 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_connect()
2875 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_port_connect()
2877 if (xudc->gadget.speed == USB_SPEED_SUPER) in tegra_xudc_port_connect()
2882 ep_ctx_write_max_packet_size(ep0->context, maxpacket); in tegra_xudc_port_connect()
2884 usb_ep_set_maxpacket_limit(&ep0->usb_ep, maxpacket); in tegra_xudc_port_connect()
2886 if (!xudc->soc->u1_enable) { in tegra_xudc_port_connect()
2892 if (!xudc->soc->u2_enable) { in tegra_xudc_port_connect()
2898 if (xudc->gadget.speed <= USB_SPEED_HIGH) { in tegra_xudc_port_connect()
2901 if (xudc->soc->lpm_enable) in tegra_xudc_port_connect()
2917 if (xudc->driver && xudc->driver->disconnect) { in tegra_xudc_port_disconnect()
2918 spin_unlock(&xudc->lock); in tegra_xudc_port_disconnect()
2919 xudc->driver->disconnect(&xudc->gadget); in tegra_xudc_port_disconnect()
2920 spin_lock(&xudc->lock); in tegra_xudc_port_disconnect()
2923 xudc->device_state = USB_STATE_NOTATTACHED; in tegra_xudc_port_disconnect()
2924 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_disconnect()
2926 complete(&xudc->disconnect_complete); in tegra_xudc_port_disconnect()
2933 if (xudc->driver) { in tegra_xudc_port_reset()
2934 spin_unlock(&xudc->lock); in tegra_xudc_port_reset()
2935 usb_gadget_udc_reset(&xudc->gadget, xudc->driver); in tegra_xudc_port_reset()
2936 spin_lock(&xudc->lock); in tegra_xudc_port_reset()
2944 dev_dbg(xudc->dev, "port suspend\n"); in tegra_xudc_port_suspend()
2946 xudc->resume_state = xudc->device_state; in tegra_xudc_port_suspend()
2947 xudc->device_state = USB_STATE_SUSPENDED; in tegra_xudc_port_suspend()
2948 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_suspend()
2950 if (xudc->driver->suspend) { in tegra_xudc_port_suspend()
2951 spin_unlock(&xudc->lock); in tegra_xudc_port_suspend()
2952 xudc->driver->suspend(&xudc->gadget); in tegra_xudc_port_suspend()
2953 spin_lock(&xudc->lock); in tegra_xudc_port_suspend()
2959 dev_dbg(xudc->dev, "port resume\n"); in tegra_xudc_port_resume()
2963 if (xudc->driver->resume) { in tegra_xudc_port_resume()
2964 spin_unlock(&xudc->lock); in tegra_xudc_port_resume()
2965 xudc->driver->resume(&xudc->gadget); in tegra_xudc_port_resume()
2966 spin_lock(&xudc->lock); in tegra_xudc_port_resume()
2987 dev_dbg(xudc->dev, "STCHG_REQ, PORTHALT = %#x\n", porthalt); in __tegra_xudc_handle_port_status()
2994 dev_dbg(xudc->dev, "PRC, PR, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
2997 if (xudc->soc->port_reset_quirk) { in __tegra_xudc_handle_port_status()
2998 schedule_delayed_work(&xudc->port_reset_war_work, in __tegra_xudc_handle_port_status()
3000 xudc->wait_for_sec_prc = 1; in __tegra_xudc_handle_port_status()
3005 dev_dbg(xudc->dev, "PRC, Not PR, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3008 cancel_delayed_work(&xudc->port_reset_war_work); in __tegra_xudc_handle_port_status()
3009 xudc->wait_for_sec_prc = 0; in __tegra_xudc_handle_port_status()
3014 dev_dbg(xudc->dev, "WRC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3022 dev_dbg(xudc->dev, "CSC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3030 if (xudc->wait_csc) { in __tegra_xudc_handle_port_status()
3031 cancel_delayed_work(&xudc->plc_reset_work); in __tegra_xudc_handle_port_status()
3032 xudc->wait_csc = false; in __tegra_xudc_handle_port_status()
3040 dev_dbg(xudc->dev, "PLC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3047 if (xudc->gadget.speed < USB_SPEED_SUPER) in __tegra_xudc_handle_port_status()
3051 if (xudc->gadget.speed == USB_SPEED_SUPER) in __tegra_xudc_handle_port_status()
3055 schedule_delayed_work(&xudc->plc_reset_work, in __tegra_xudc_handle_port_status()
3057 xudc->wait_csc = true; in __tegra_xudc_handle_port_status()
3065 dev_warn(xudc->dev, "CEC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3069 dev_dbg(xudc->dev, "PORTSC = %#x\n", xudc_readl(xudc, PORTSC)); in __tegra_xudc_handle_port_status()
3097 dev_info(xudc->dev, "Unrecognized TRB type = %#x\n", type); in tegra_xudc_handle_event()
3108 event = xudc->event_ring[xudc->event_ring_index] + in tegra_xudc_process_event_ring()
3109 xudc->event_ring_deq_ptr; in tegra_xudc_process_event_ring()
3111 if (trb_read_cycle(event) != xudc->ccs) in tegra_xudc_process_event_ring()
3116 xudc->event_ring_deq_ptr++; in tegra_xudc_process_event_ring()
3117 if (xudc->event_ring_deq_ptr == XUDC_EVENT_RING_SIZE) { in tegra_xudc_process_event_ring()
3118 xudc->event_ring_deq_ptr = 0; in tegra_xudc_process_event_ring()
3119 xudc->event_ring_index++; in tegra_xudc_process_event_ring()
3122 if (xudc->event_ring_index == XUDC_NR_EVENT_RINGS) { in tegra_xudc_process_event_ring()
3123 xudc->event_ring_index = 0; in tegra_xudc_process_event_ring()
3124 xudc->ccs = !xudc->ccs; in tegra_xudc_process_event_ring()
3128 erdp = xudc->event_ring_phys[xudc->event_ring_index] + in tegra_xudc_process_event_ring()
3129 xudc->event_ring_deq_ptr * sizeof(*event); in tegra_xudc_process_event_ring()
3146 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_irq()
3148 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_irq()
3155 struct tegra_xudc_ep *ep = &xudc->ep[index]; in tegra_xudc_alloc_ep()
3157 ep->xudc = xudc; in tegra_xudc_alloc_ep()
3158 ep->index = index; in tegra_xudc_alloc_ep()
3159 ep->context = &xudc->ep_context[index]; in tegra_xudc_alloc_ep()
3160 INIT_LIST_HEAD(&ep->queue); in tegra_xudc_alloc_ep()
3164 * EP0 is bi-directional, EP1 is unused. in tegra_xudc_alloc_ep()
3169 ep->transfer_ring = dma_pool_alloc(xudc->transfer_ring_pool, in tegra_xudc_alloc_ep()
3171 &ep->transfer_ring_phys); in tegra_xudc_alloc_ep()
3172 if (!ep->transfer_ring) in tegra_xudc_alloc_ep()
3173 return -ENOMEM; in tegra_xudc_alloc_ep()
3176 snprintf(ep->name, sizeof(ep->name), "ep%u%s", index / 2, 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, 1024); in tegra_xudc_alloc_ep()
3180 ep->usb_ep.max_streams = 16; in tegra_xudc_alloc_ep()
3181 ep->usb_ep.ops = &tegra_xudc_ep_ops; in tegra_xudc_alloc_ep()
3182 ep->usb_ep.caps.type_bulk = true; in tegra_xudc_alloc_ep()
3183 ep->usb_ep.caps.type_int = true; in tegra_xudc_alloc_ep()
3185 ep->usb_ep.caps.dir_in = true; in tegra_xudc_alloc_ep()
3187 ep->usb_ep.caps.dir_out = true; in tegra_xudc_alloc_ep()
3188 list_add_tail(&ep->usb_ep.ep_list, &xudc->gadget.ep_list); in tegra_xudc_alloc_ep()
3190 strscpy(ep->name, "ep0", 3); in tegra_xudc_alloc_ep()
3191 ep->usb_ep.name = ep->name; in tegra_xudc_alloc_ep()
3192 usb_ep_set_maxpacket_limit(&ep->usb_ep, 512); in tegra_xudc_alloc_ep()
3193 ep->usb_ep.ops = &tegra_xudc_ep0_ops; in tegra_xudc_alloc_ep()
3194 ep->usb_ep.caps.type_control = true; in tegra_xudc_alloc_ep()
3195 ep->usb_ep.caps.dir_in = true; in tegra_xudc_alloc_ep()
3196 ep->usb_ep.caps.dir_out = true; in tegra_xudc_alloc_ep()
3204 struct tegra_xudc_ep *ep = &xudc->ep[index]; in tegra_xudc_free_ep()
3208 * EP0 is bi-directional, EP1 is unused. in tegra_xudc_free_ep()
3213 dma_pool_free(xudc->transfer_ring_pool, ep->transfer_ring, in tegra_xudc_free_ep()
3214 ep->transfer_ring_phys); in tegra_xudc_free_ep()
3223 xudc->ep_context = in tegra_xudc_alloc_eps()
3224 dma_alloc_coherent(xudc->dev, XUDC_NR_EPS * in tegra_xudc_alloc_eps()
3225 sizeof(*xudc->ep_context), in tegra_xudc_alloc_eps()
3226 &xudc->ep_context_phys, GFP_KERNEL); in tegra_xudc_alloc_eps()
3227 if (!xudc->ep_context) in tegra_xudc_alloc_eps()
3228 return -ENOMEM; in tegra_xudc_alloc_eps()
3230 xudc->transfer_ring_pool = in tegra_xudc_alloc_eps()
3231 dmam_pool_create(dev_name(xudc->dev), xudc->dev, in tegra_xudc_alloc_eps()
3235 if (!xudc->transfer_ring_pool) { in tegra_xudc_alloc_eps()
3236 err = -ENOMEM; in tegra_xudc_alloc_eps()
3240 INIT_LIST_HEAD(&xudc->gadget.ep_list); in tegra_xudc_alloc_eps()
3241 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in tegra_xudc_alloc_eps()
3247 req = tegra_xudc_ep_alloc_request(&xudc->ep[0].usb_ep, GFP_KERNEL); in tegra_xudc_alloc_eps()
3249 err = -ENOMEM; in tegra_xudc_alloc_eps()
3252 xudc->ep0_req = to_xudc_req(req); in tegra_xudc_alloc_eps()
3257 for (; i > 0; i--) in tegra_xudc_alloc_eps()
3258 tegra_xudc_free_ep(xudc, i - 1); in tegra_xudc_alloc_eps()
3260 dma_free_coherent(xudc->dev, XUDC_NR_EPS * sizeof(*xudc->ep_context), in tegra_xudc_alloc_eps()
3261 xudc->ep_context, xudc->ep_context_phys); in tegra_xudc_alloc_eps()
3267 xudc_writel(xudc, lower_32_bits(xudc->ep_context_phys), ECPLO); in tegra_xudc_init_eps()
3268 xudc_writel(xudc, upper_32_bits(xudc->ep_context_phys), ECPHI); in tegra_xudc_init_eps()
3275 tegra_xudc_ep_free_request(&xudc->ep[0].usb_ep, in tegra_xudc_free_eps()
3276 &xudc->ep0_req->usb_req); in tegra_xudc_free_eps()
3278 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_free_eps()
3281 dma_free_coherent(xudc->dev, XUDC_NR_EPS * sizeof(*xudc->ep_context), in tegra_xudc_free_eps()
3282 xudc->ep_context, xudc->ep_context_phys); in tegra_xudc_free_eps()
3289 for (i = 0; i < ARRAY_SIZE(xudc->event_ring); i++) { in tegra_xudc_alloc_event_ring()
3290 xudc->event_ring[i] = in tegra_xudc_alloc_event_ring()
3291 dma_alloc_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_alloc_event_ring()
3292 sizeof(*xudc->event_ring[i]), in tegra_xudc_alloc_event_ring()
3293 &xudc->event_ring_phys[i], in tegra_xudc_alloc_event_ring()
3295 if (!xudc->event_ring[i]) in tegra_xudc_alloc_event_ring()
3302 for (; i > 0; i--) { in tegra_xudc_alloc_event_ring()
3303 dma_free_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_alloc_event_ring()
3304 sizeof(*xudc->event_ring[i - 1]), in tegra_xudc_alloc_event_ring()
3305 xudc->event_ring[i - 1], in tegra_xudc_alloc_event_ring()
3306 xudc->event_ring_phys[i - 1]); in tegra_xudc_alloc_event_ring()
3308 return -ENOMEM; in tegra_xudc_alloc_event_ring()
3316 for (i = 0; i < ARRAY_SIZE(xudc->event_ring); i++) { in tegra_xudc_init_event_ring()
3317 memset(xudc->event_ring[i], 0, XUDC_EVENT_RING_SIZE * in tegra_xudc_init_event_ring()
3318 sizeof(*xudc->event_ring[i])); in tegra_xudc_init_event_ring()
3325 xudc_writel(xudc, lower_32_bits(xudc->event_ring_phys[i]), in tegra_xudc_init_event_ring()
3327 xudc_writel(xudc, upper_32_bits(xudc->event_ring_phys[i]), in tegra_xudc_init_event_ring()
3331 val = lower_32_bits(xudc->event_ring_phys[0]); in tegra_xudc_init_event_ring()
3336 val = upper_32_bits(xudc->event_ring_phys[0]); in tegra_xudc_init_event_ring()
3340 xudc->ccs = true; in tegra_xudc_init_event_ring()
3341 xudc->event_ring_index = 0; in tegra_xudc_init_event_ring()
3342 xudc->event_ring_deq_ptr = 0; in tegra_xudc_init_event_ring()
3349 for (i = 0; i < ARRAY_SIZE(xudc->event_ring); i++) { in tegra_xudc_free_event_ring()
3350 dma_free_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_free_event_ring()
3351 sizeof(*xudc->event_ring[i]), in tegra_xudc_free_event_ring()
3352 xudc->event_ring[i], in tegra_xudc_free_event_ring()
3353 xudc->event_ring_phys[i]); in tegra_xudc_free_event_ring()
3361 if (xudc->soc->has_ipfs) { in tegra_xudc_fpci_ipfs_init()
3376 val |= xudc->phys_base & (XUSB_DEV_CFG_4_BASE_ADDR_MASK); in tegra_xudc_fpci_ipfs_init()
3379 fpci_writel(xudc, upper_32_bits(xudc->phys_base), XUSB_DEV_CFG_5); in tegra_xudc_fpci_ipfs_init()
3383 if (xudc->soc->has_ipfs) { in tegra_xudc_fpci_ipfs_init()
3395 if (xudc->soc->has_ipfs) { in tegra_xudc_device_params_init()
3407 if (xudc->soc->port_speed_quirk) in tegra_xudc_device_params_init()
3428 if (xudc->soc->lpm_enable) { in tegra_xudc_device_params_init()
3499 xudc->utmi_phy = devm_kcalloc(xudc->dev, xudc->soc->num_phys, in tegra_xudc_phy_get()
3500 sizeof(*xudc->utmi_phy), GFP_KERNEL); in tegra_xudc_phy_get()
3501 if (!xudc->utmi_phy) in tegra_xudc_phy_get()
3502 return -ENOMEM; in tegra_xudc_phy_get()
3504 xudc->usb3_phy = devm_kcalloc(xudc->dev, xudc->soc->num_phys, in tegra_xudc_phy_get()
3505 sizeof(*xudc->usb3_phy), GFP_KERNEL); in tegra_xudc_phy_get()
3506 if (!xudc->usb3_phy) in tegra_xudc_phy_get()
3507 return -ENOMEM; in tegra_xudc_phy_get()
3509 xudc->usbphy = devm_kcalloc(xudc->dev, xudc->soc->num_phys, in tegra_xudc_phy_get()
3510 sizeof(*xudc->usbphy), GFP_KERNEL); in tegra_xudc_phy_get()
3511 if (!xudc->usbphy) in tegra_xudc_phy_get()
3512 return -ENOMEM; in tegra_xudc_phy_get()
3514 xudc->vbus_nb.notifier_call = tegra_xudc_vbus_notify; in tegra_xudc_phy_get()
3516 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_get()
3517 char phy_name[] = "usb.-."; in tegra_xudc_phy_get()
3520 snprintf(phy_name, sizeof(phy_name), "usb2-%d", i); in tegra_xudc_phy_get()
3521 xudc->utmi_phy[i] = devm_phy_optional_get(xudc->dev, phy_name); in tegra_xudc_phy_get()
3522 if (IS_ERR(xudc->utmi_phy[i])) { in tegra_xudc_phy_get()
3523 err = PTR_ERR(xudc->utmi_phy[i]); in tegra_xudc_phy_get()
3524 dev_err_probe(xudc->dev, err, in tegra_xudc_phy_get()
3525 "failed to get PHY for phy-name usb2-%d\n", i); in tegra_xudc_phy_get()
3527 } else if (xudc->utmi_phy[i]) { in tegra_xudc_phy_get()
3528 /* Get usb-phy, if utmi phy is available */ in tegra_xudc_phy_get()
3529 xudc->usbphy[i] = devm_usb_get_phy_by_node(xudc->dev, in tegra_xudc_phy_get()
3530 xudc->utmi_phy[i]->dev.of_node, in tegra_xudc_phy_get()
3532 if (IS_ERR(xudc->usbphy[i])) { in tegra_xudc_phy_get()
3533 err = PTR_ERR(xudc->usbphy[i]); in tegra_xudc_phy_get()
3534 dev_err_probe(xudc->dev, err, in tegra_xudc_phy_get()
3535 "failed to get usbphy-%d\n", i); in tegra_xudc_phy_get()
3538 } else if (!xudc->utmi_phy[i]) { in tegra_xudc_phy_get()
3544 usb3_companion_port = tegra_xusb_padctl_get_usb3_companion(xudc->padctl, i); in tegra_xudc_phy_get()
3548 for (j = 0; j < xudc->soc->num_phys; j++) { in tegra_xudc_phy_get()
3549 snprintf(phy_name, sizeof(phy_name), "usb3-%d", j); in tegra_xudc_phy_get()
3550 xudc->usb3_phy[i] = devm_phy_optional_get(xudc->dev, phy_name); in tegra_xudc_phy_get()
3551 if (IS_ERR(xudc->usb3_phy[i])) { in tegra_xudc_phy_get()
3552 err = PTR_ERR(xudc->usb3_phy[i]); in tegra_xudc_phy_get()
3553 dev_err_probe(xudc->dev, err, in tegra_xudc_phy_get()
3554 "failed to get PHY for phy-name usb3-%d\n", j); in tegra_xudc_phy_get()
3556 } else if (xudc->usb3_phy[i]) { in tegra_xudc_phy_get()
3558 tegra_xusb_padctl_get_port_number(xudc->utmi_phy[i]); in tegra_xudc_phy_get()
3560 tegra_xusb_padctl_get_port_number(xudc->usb3_phy[i]); in tegra_xudc_phy_get()
3562 dev_dbg(xudc->dev, "USB2 port %d is paired with USB3 port %d for device mode port %d\n", in tegra_xudc_phy_get()
3573 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_get()
3574 xudc->usb3_phy[i] = NULL; in tegra_xudc_phy_get()
3575 xudc->utmi_phy[i] = NULL; in tegra_xudc_phy_get()
3576 xudc->usbphy[i] = NULL; in tegra_xudc_phy_get()
3586 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_exit()
3587 phy_exit(xudc->usb3_phy[i]); in tegra_xudc_phy_exit()
3588 phy_exit(xudc->utmi_phy[i]); in tegra_xudc_phy_exit()
3597 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_init()
3598 err = phy_init(xudc->utmi_phy[i]); in tegra_xudc_phy_init()
3600 dev_err(xudc->dev, "UTMI PHY #%u initialization failed: %d\n", i, err); in tegra_xudc_phy_init()
3604 err = phy_init(xudc->usb3_phy[i]); in tegra_xudc_phy_init()
3606 dev_err(xudc->dev, "USB3 PHY #%u initialization failed: %d\n", i, err); in tegra_xudc_phy_init()
3618 "hvdd-usb",
3619 "avddio-usb",
3696 .compatible = "nvidia,tegra210-xudc",
3700 .compatible = "nvidia,tegra186-xudc",
3704 .compatible = "nvidia,tegra194-xudc",
3708 .compatible = "nvidia,tegra234-xudc",
3717 if (xudc->genpd_dl_ss) in tegra_xudc_powerdomain_remove()
3718 device_link_del(xudc->genpd_dl_ss); in tegra_xudc_powerdomain_remove()
3719 if (xudc->genpd_dl_device) in tegra_xudc_powerdomain_remove()
3720 device_link_del(xudc->genpd_dl_device); in tegra_xudc_powerdomain_remove()
3721 if (xudc->genpd_dev_ss) in tegra_xudc_powerdomain_remove()
3722 dev_pm_domain_detach(xudc->genpd_dev_ss, true); in tegra_xudc_powerdomain_remove()
3723 if (xudc->genpd_dev_device) in tegra_xudc_powerdomain_remove()
3724 dev_pm_domain_detach(xudc->genpd_dev_device, true); in tegra_xudc_powerdomain_remove()
3729 struct device *dev = xudc->dev; in tegra_xudc_powerdomain_init()
3732 xudc->genpd_dev_device = dev_pm_domain_attach_by_name(dev, "dev"); in tegra_xudc_powerdomain_init()
3733 if (IS_ERR(xudc->genpd_dev_device)) { in tegra_xudc_powerdomain_init()
3734 err = PTR_ERR(xudc->genpd_dev_device); in tegra_xudc_powerdomain_init()
3739 xudc->genpd_dev_ss = dev_pm_domain_attach_by_name(dev, "ss"); in tegra_xudc_powerdomain_init()
3740 if (IS_ERR(xudc->genpd_dev_ss)) { in tegra_xudc_powerdomain_init()
3741 err = PTR_ERR(xudc->genpd_dev_ss); in tegra_xudc_powerdomain_init()
3746 xudc->genpd_dl_device = device_link_add(dev, xudc->genpd_dev_device, in tegra_xudc_powerdomain_init()
3749 if (!xudc->genpd_dl_device) { in tegra_xudc_powerdomain_init()
3751 return -ENODEV; in tegra_xudc_powerdomain_init()
3754 xudc->genpd_dl_ss = device_link_add(dev, xudc->genpd_dev_ss, in tegra_xudc_powerdomain_init()
3757 if (!xudc->genpd_dl_ss) { in tegra_xudc_powerdomain_init()
3759 return -ENODEV; in tegra_xudc_powerdomain_init()
3772 xudc = devm_kzalloc(&pdev->dev, sizeof(*xudc), GFP_KERNEL); in tegra_xudc_probe()
3774 return -ENOMEM; in tegra_xudc_probe()
3776 xudc->dev = &pdev->dev; in tegra_xudc_probe()
3779 xudc->soc = of_device_get_match_data(&pdev->dev); in tegra_xudc_probe()
3780 if (!xudc->soc) in tegra_xudc_probe()
3781 return -ENODEV; in tegra_xudc_probe()
3784 xudc->base = devm_ioremap_resource(&pdev->dev, res); in tegra_xudc_probe()
3785 if (IS_ERR(xudc->base)) in tegra_xudc_probe()
3786 return PTR_ERR(xudc->base); in tegra_xudc_probe()
3787 xudc->phys_base = res->start; in tegra_xudc_probe()
3789 xudc->fpci = devm_platform_ioremap_resource_byname(pdev, "fpci"); in tegra_xudc_probe()
3790 if (IS_ERR(xudc->fpci)) in tegra_xudc_probe()
3791 return PTR_ERR(xudc->fpci); in tegra_xudc_probe()
3793 if (xudc->soc->has_ipfs) { in tegra_xudc_probe()
3794 xudc->ipfs = devm_platform_ioremap_resource_byname(pdev, "ipfs"); in tegra_xudc_probe()
3795 if (IS_ERR(xudc->ipfs)) in tegra_xudc_probe()
3796 return PTR_ERR(xudc->ipfs); in tegra_xudc_probe()
3799 xudc->irq = platform_get_irq(pdev, 0); in tegra_xudc_probe()
3800 if (xudc->irq < 0) in tegra_xudc_probe()
3801 return xudc->irq; in tegra_xudc_probe()
3803 err = devm_request_irq(&pdev->dev, xudc->irq, tegra_xudc_irq, 0, in tegra_xudc_probe()
3804 dev_name(&pdev->dev), xudc); in tegra_xudc_probe()
3806 dev_err(xudc->dev, "failed to claim IRQ#%u: %d\n", xudc->irq, in tegra_xudc_probe()
3811 xudc->clks = devm_kcalloc(&pdev->dev, xudc->soc->num_clks, sizeof(*xudc->clks), in tegra_xudc_probe()
3813 if (!xudc->clks) in tegra_xudc_probe()
3814 return -ENOMEM; in tegra_xudc_probe()
3816 for (i = 0; i < xudc->soc->num_clks; i++) in tegra_xudc_probe()
3817 xudc->clks[i].id = xudc->soc->clock_names[i]; in tegra_xudc_probe()
3819 err = devm_clk_bulk_get(&pdev->dev, xudc->soc->num_clks, xudc->clks); in tegra_xudc_probe()
3821 dev_err_probe(xudc->dev, err, "failed to request clocks\n"); in tegra_xudc_probe()
3825 xudc->supplies = devm_kcalloc(&pdev->dev, xudc->soc->num_supplies, in tegra_xudc_probe()
3826 sizeof(*xudc->supplies), GFP_KERNEL); in tegra_xudc_probe()
3827 if (!xudc->supplies) in tegra_xudc_probe()
3828 return -ENOMEM; in tegra_xudc_probe()
3830 for (i = 0; i < xudc->soc->num_supplies; i++) in tegra_xudc_probe()
3831 xudc->supplies[i].supply = xudc->soc->supply_names[i]; in tegra_xudc_probe()
3833 err = devm_regulator_bulk_get(&pdev->dev, xudc->soc->num_supplies, in tegra_xudc_probe()
3834 xudc->supplies); in tegra_xudc_probe()
3836 dev_err_probe(xudc->dev, err, "failed to request regulators\n"); in tegra_xudc_probe()
3840 xudc->padctl = tegra_xusb_padctl_get(&pdev->dev); in tegra_xudc_probe()
3841 if (IS_ERR(xudc->padctl)) in tegra_xudc_probe()
3842 return PTR_ERR(xudc->padctl); in tegra_xudc_probe()
3844 err = regulator_bulk_enable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_probe()
3846 dev_err(xudc->dev, "failed to enable regulators: %d\n", err); in tegra_xudc_probe()
3870 spin_lock_init(&xudc->lock); in tegra_xudc_probe()
3872 init_completion(&xudc->disconnect_complete); in tegra_xudc_probe()
3874 INIT_WORK(&xudc->usb_role_sw_work, tegra_xudc_usb_role_sw_work); in tegra_xudc_probe()
3876 INIT_DELAYED_WORK(&xudc->plc_reset_work, tegra_xudc_plc_reset_work); in tegra_xudc_probe()
3878 INIT_DELAYED_WORK(&xudc->port_reset_war_work, in tegra_xudc_probe()
3881 pm_runtime_enable(&pdev->dev); in tegra_xudc_probe()
3883 xudc->gadget.ops = &tegra_xudc_gadget_ops; in tegra_xudc_probe()
3884 xudc->gadget.ep0 = &xudc->ep[0].usb_ep; in tegra_xudc_probe()
3885 xudc->gadget.name = "tegra-xudc"; in tegra_xudc_probe()
3886 xudc->gadget.max_speed = USB_SPEED_SUPER; in tegra_xudc_probe()
3888 err = usb_add_gadget_udc(&pdev->dev, &xudc->gadget); in tegra_xudc_probe()
3890 dev_err(&pdev->dev, "failed to add USB gadget: %d\n", err); in tegra_xudc_probe()
3894 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_probe()
3895 if (!xudc->usbphy[i]) in tegra_xudc_probe()
3898 usb_register_notifier(xudc->usbphy[i], &xudc->vbus_nb); in tegra_xudc_probe()
3899 tegra_xudc_update_data_role(xudc, xudc->usbphy[i]); in tegra_xudc_probe()
3905 pm_runtime_disable(&pdev->dev); in tegra_xudc_probe()
3914 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_probe()
3916 tegra_xusb_padctl_put(xudc->padctl); in tegra_xudc_probe()
3926 pm_runtime_get_sync(xudc->dev); in tegra_xudc_remove()
3928 cancel_delayed_work_sync(&xudc->plc_reset_work); in tegra_xudc_remove()
3929 cancel_work_sync(&xudc->usb_role_sw_work); in tegra_xudc_remove()
3931 usb_del_gadget_udc(&xudc->gadget); in tegra_xudc_remove()
3938 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_remove()
3940 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_remove()
3941 phy_power_off(xudc->utmi_phy[i]); in tegra_xudc_remove()
3942 phy_power_off(xudc->usb3_phy[i]); in tegra_xudc_remove()
3947 pm_runtime_disable(xudc->dev); in tegra_xudc_remove()
3948 pm_runtime_put(xudc->dev); in tegra_xudc_remove()
3950 tegra_xusb_padctl_put(xudc->padctl); in tegra_xudc_remove()
3957 dev_dbg(xudc->dev, "entering ELPG\n"); in tegra_xudc_powergate()
3959 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_powergate()
3961 xudc->powergated = true; in tegra_xudc_powergate()
3962 xudc->saved_regs.ctrl = xudc_readl(xudc, CTRL); in tegra_xudc_powergate()
3963 xudc->saved_regs.portpm = xudc_readl(xudc, PORTPM); in tegra_xudc_powergate()
3966 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_powergate()
3968 clk_bulk_disable_unprepare(xudc->soc->num_clks, xudc->clks); in tegra_xudc_powergate()
3970 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_powergate()
3972 dev_dbg(xudc->dev, "entering ELPG done\n"); in tegra_xudc_powergate()
3981 dev_dbg(xudc->dev, "exiting ELPG\n"); in tegra_xudc_unpowergate()
3983 err = regulator_bulk_enable(xudc->soc->num_supplies, in tegra_xudc_unpowergate()
3984 xudc->supplies); in tegra_xudc_unpowergate()
3988 err = clk_bulk_prepare_enable(xudc->soc->num_clks, xudc->clks); in tegra_xudc_unpowergate()
4000 xudc_writel(xudc, xudc->saved_regs.portpm, PORTPM); in tegra_xudc_unpowergate()
4001 xudc_writel(xudc, xudc->saved_regs.ctrl, CTRL); in tegra_xudc_unpowergate()
4003 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_unpowergate()
4004 xudc->powergated = false; in tegra_xudc_unpowergate()
4005 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_unpowergate()
4007 dev_dbg(xudc->dev, "exiting ELPG done\n"); in tegra_xudc_unpowergate()
4016 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_suspend()
4017 xudc->suspended = true; in tegra_xudc_suspend()
4018 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_suspend()
4020 flush_work(&xudc->usb_role_sw_work); in tegra_xudc_suspend()
4043 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_resume()
4044 xudc->suspended = false; in tegra_xudc_resume()
4045 if (xudc->device_mode != xudc->current_device_mode) in tegra_xudc_resume()
4046 schedule_work(&xudc->usb_role_sw_work); in tegra_xudc_resume()
4047 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_resume()
4078 .name = "tegra-xudc",
4085 MODULE_DESCRIPTION("NVIDIA Tegra XUSB Device Controller");