Lines Matching +full:hvdd +full:- +full:usb +full:- +full:supply
1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (c) 2013-2019, NVIDIA CORPORATION. All rights reserved.
12 #include <linux/dma-mapping.h>
27 #include <linux/usb/ch9.h>
28 #include <linux/usb/gadget.h>
29 #include <linux/usb/otg.h>
30 #include <linux/usb/role.h>
31 #include <linux/usb/phy.h>
250 return (le32_to_cpu(ctx->member) >> (shift)) & (mask); \
257 tmp = le32_to_cpu(ctx->member) & ~((mask) << (shift)); \
259 ctx->member = cpu_to_le32(tmp); \
340 return (le32_to_cpu(trb->member) >> (shift)) & (mask); \
347 tmp = le32_to_cpu(trb->member) & ~((mask) << (shift)); \
349 trb->member = cpu_to_le32(tmp); \
564 return readl(xudc->fpci + offset); in fpci_readl()
570 writel(val, xudc->fpci + offset); in fpci_writel()
575 return readl(xudc->ipfs + offset); in ipfs_readl()
581 writel(val, xudc->ipfs + offset); in ipfs_writel()
586 return readl(xudc->base + offset); in xudc_readl()
592 writel(val, xudc->base + offset); in xudc_writel()
600 return readl_poll_timeout_atomic(xudc->base + offset, regval, in xudc_readl_poll()
622 dev_dbg(xudc->dev, in dump_trb()
624 type, trb, trb->data_lo, trb->data_hi, trb->status, in dump_trb()
625 trb->control); in dump_trb()
704 pm_runtime_get_sync(xudc->dev); in tegra_xudc_device_mode_on()
706 err = phy_power_on(xudc->curr_utmi_phy); in tegra_xudc_device_mode_on()
708 dev_err(xudc->dev, "UTMI power on failed: %d\n", err); in tegra_xudc_device_mode_on()
710 err = phy_power_on(xudc->curr_usb3_phy); in tegra_xudc_device_mode_on()
712 dev_err(xudc->dev, "USB3 PHY power on failed: %d\n", err); in tegra_xudc_device_mode_on()
714 dev_dbg(xudc->dev, "device mode on\n"); in tegra_xudc_device_mode_on()
716 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_device_mode_on()
726 dev_dbg(xudc->dev, "device mode off\n"); in tegra_xudc_device_mode_off()
730 reinit_completion(&xudc->disconnect_complete); in tegra_xudc_device_mode_off()
732 if (xudc->soc->port_speed_quirk) in tegra_xudc_device_mode_off()
735 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, USB_ROLE_NONE); in tegra_xudc_device_mode_off()
741 if (xudc->soc->pls_quirk && xudc->gadget.speed == USB_SPEED_SUPER && in tegra_xudc_device_mode_off()
755 wait_for_completion(&xudc->disconnect_complete); in tegra_xudc_device_mode_off()
758 synchronize_irq(xudc->irq); in tegra_xudc_device_mode_off()
760 err = phy_power_off(xudc->curr_utmi_phy); in tegra_xudc_device_mode_off()
762 dev_err(xudc->dev, "UTMI PHY power off failed: %d\n", err); in tegra_xudc_device_mode_off()
764 err = phy_power_off(xudc->curr_usb3_phy); in tegra_xudc_device_mode_off()
766 dev_err(xudc->dev, "USB3 PHY power off failed: %d\n", err); in tegra_xudc_device_mode_off()
768 pm_runtime_put(xudc->dev); in tegra_xudc_device_mode_off()
776 if (xudc->device_mode) in tegra_xudc_usb_role_sw_work()
787 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_get_phy_index()
788 if (xudc->usbphy[i] && usbphy == xudc->usbphy[i]) in tegra_xudc_get_phy_index()
792 dev_info(xudc->dev, "phy index could not be found for shared USB PHY"); in tegra_xudc_get_phy_index()
793 return -1; in tegra_xudc_get_phy_index()
804 dev_dbg(xudc->dev, "%s(): event is %d\n", __func__, usbphy->last_event); in tegra_xudc_vbus_notify()
806 if ((xudc->device_mode && usbphy->last_event == USB_EVENT_VBUS) || in tegra_xudc_vbus_notify()
807 (!xudc->device_mode && usbphy->last_event != USB_EVENT_VBUS)) { in tegra_xudc_vbus_notify()
808 dev_dbg(xudc->dev, "Same role(%d) received. Ignore", in tegra_xudc_vbus_notify()
809 xudc->device_mode); in tegra_xudc_vbus_notify()
813 xudc->device_mode = (usbphy->last_event == USB_EVENT_VBUS) ? true : in tegra_xudc_vbus_notify()
817 dev_dbg(xudc->dev, "%s(): current phy index is %d\n", __func__, in tegra_xudc_vbus_notify()
820 if (!xudc->suspended && phy_index != -1) { in tegra_xudc_vbus_notify()
821 xudc->curr_utmi_phy = xudc->utmi_phy[phy_index]; in tegra_xudc_vbus_notify()
822 xudc->curr_usb3_phy = xudc->usb3_phy[phy_index]; in tegra_xudc_vbus_notify()
823 xudc->curr_usbphy = usbphy; in tegra_xudc_vbus_notify()
824 schedule_work(&xudc->usb_role_sw_work); in tegra_xudc_vbus_notify()
837 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_plc_reset_work()
839 if (xudc->wait_csc) { in tegra_xudc_plc_reset_work()
844 dev_info(xudc->dev, "PLS = Inactive. Toggle VBUS\n"); in tegra_xudc_plc_reset_work()
845 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_plc_reset_work()
847 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_plc_reset_work()
850 xudc->wait_csc = false; in tegra_xudc_plc_reset_work()
854 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_plc_reset_work()
866 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_port_reset_war_work()
868 if (xudc->device_mode && xudc->wait_for_sec_prc) { in tegra_xudc_port_reset_war_work()
871 dev_dbg(xudc->dev, "pls = %x\n", pls); in tegra_xudc_port_reset_war_work()
874 dev_dbg(xudc->dev, "toggle vbus\n"); in tegra_xudc_port_reset_war_work()
877 xudc->curr_utmi_phy); in tegra_xudc_port_reset_war_work()
879 xudc->wait_for_sec_prc = 0; in tegra_xudc_port_reset_war_work()
883 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_port_reset_war_work()
891 index = trb - ep->transfer_ring; in trb_virt_to_phys()
896 return (ep->transfer_ring_phys + index * sizeof(*trb)); in trb_virt_to_phys()
905 index = (addr - ep->transfer_ring_phys) / sizeof(*trb); in trb_phys_to_virt()
910 trb = &ep->transfer_ring[index]; in trb_phys_to_virt()
1024 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_req_done()
1026 dev_dbg(xudc->dev, "completing request %p on EP %u with status %d\n", in tegra_xudc_req_done()
1027 req, ep->index, status); in tegra_xudc_req_done()
1029 if (likely(req->usb_req.status == -EINPROGRESS)) in tegra_xudc_req_done()
1030 req->usb_req.status = status; in tegra_xudc_req_done()
1032 list_del_init(&req->list); in tegra_xudc_req_done()
1034 if (usb_endpoint_xfer_control(ep->desc)) { in tegra_xudc_req_done()
1035 usb_gadget_unmap_request(&xudc->gadget, &req->usb_req, in tegra_xudc_req_done()
1036 (xudc->setup_state == in tegra_xudc_req_done()
1039 usb_gadget_unmap_request(&xudc->gadget, &req->usb_req, in tegra_xudc_req_done()
1040 usb_endpoint_dir_in(ep->desc)); in tegra_xudc_req_done()
1043 spin_unlock(&xudc->lock); in tegra_xudc_req_done()
1044 usb_gadget_giveback_request(&ep->usb_ep, &req->usb_req); in tegra_xudc_req_done()
1045 spin_lock(&xudc->lock); in tegra_xudc_req_done()
1052 while (!list_empty(&ep->queue)) { in tegra_xudc_ep_nuke()
1053 req = list_first_entry(&ep->queue, struct tegra_xudc_request, in tegra_xudc_ep_nuke()
1061 if (ep->ring_full) in ep_available_trbs()
1064 if (ep->deq_ptr > ep->enq_ptr) in ep_available_trbs()
1065 return ep->deq_ptr - ep->enq_ptr - 1; in ep_available_trbs()
1067 return XUDC_TRANSFER_RING_SIZE - (ep->enq_ptr - ep->deq_ptr) - 2; in ep_available_trbs()
1075 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_queue_one_trb()
1079 len = min_t(size_t, XUDC_TRB_MAX_BUFFER_SIZE, req->usb_req.length - in tegra_xudc_queue_one_trb()
1080 req->buf_queued); in tegra_xudc_queue_one_trb()
1082 buf_addr = req->usb_req.dma + req->buf_queued; in tegra_xudc_queue_one_trb()
1089 trb_write_td_size(trb, req->trbs_needed - req->trbs_queued - 1); in tegra_xudc_queue_one_trb()
1091 if (req->trbs_queued == req->trbs_needed - 1 || in tegra_xudc_queue_one_trb()
1092 (req->need_zlp && req->trbs_queued == req->trbs_needed - 2)) in tegra_xudc_queue_one_trb()
1099 if (usb_endpoint_dir_out(ep->desc) || in tegra_xudc_queue_one_trb()
1100 (usb_endpoint_xfer_control(ep->desc) && in tegra_xudc_queue_one_trb()
1101 (xudc->setup_state == DATA_STAGE_RECV))) in tegra_xudc_queue_one_trb()
1106 if (usb_endpoint_xfer_control(ep->desc)) { in tegra_xudc_queue_one_trb()
1107 if (xudc->setup_state == DATA_STAGE_XFER || in tegra_xudc_queue_one_trb()
1108 xudc->setup_state == DATA_STAGE_RECV) in tegra_xudc_queue_one_trb()
1113 if (xudc->setup_state == DATA_STAGE_XFER || in tegra_xudc_queue_one_trb()
1114 xudc->setup_state == STATUS_STAGE_XFER) in tegra_xudc_queue_one_trb()
1118 } else if (usb_endpoint_xfer_isoc(ep->desc)) { in tegra_xudc_queue_one_trb()
1123 } else if (usb_ss_max_streams(ep->comp_desc)) { in tegra_xudc_queue_one_trb()
1125 trb_write_stream_id(trb, req->usb_req.stream_id); in tegra_xudc_queue_one_trb()
1131 trb_write_cycle(trb, ep->pcs); in tegra_xudc_queue_one_trb()
1133 req->trbs_queued++; in tegra_xudc_queue_one_trb()
1134 req->buf_queued += len; in tegra_xudc_queue_one_trb()
1146 count = req->trbs_needed - req->trbs_queued; in tegra_xudc_queue_trbs()
1149 ep->ring_full = true; in tegra_xudc_queue_trbs()
1153 * To generate zero-length packet on USB bus, SW needs schedule a in tegra_xudc_queue_trbs()
1154 * standalone zero-length TD. According to HW's behavior, SW needs in tegra_xudc_queue_trbs()
1158 * - Data stage TD (IOC = 1, CH = 0) in tegra_xudc_queue_trbs()
1159 * - Ring doorbell and wait transfer event in tegra_xudc_queue_trbs()
1160 * - Data stage TD for ZLP (IOC = 1, CH = 0) in tegra_xudc_queue_trbs()
1161 * - Ring doorbell in tegra_xudc_queue_trbs()
1164 * - Normal transfer TD (IOC = 0, CH = 0) in tegra_xudc_queue_trbs()
1165 * - Normal transfer TD for ZLP (IOC = 1, CH = 0) in tegra_xudc_queue_trbs()
1166 * - Ring doorbell in tegra_xudc_queue_trbs()
1169 if (req->need_zlp && usb_endpoint_xfer_control(ep->desc) && count > 1) in tegra_xudc_queue_trbs()
1172 if (!req->first_trb) in tegra_xudc_queue_trbs()
1173 req->first_trb = &ep->transfer_ring[ep->enq_ptr]; in tegra_xudc_queue_trbs()
1176 struct tegra_xudc_trb *trb = &ep->transfer_ring[ep->enq_ptr]; in tegra_xudc_queue_trbs()
1179 if ((i == count - 1) || (wait_td && i == count - 2)) in tegra_xudc_queue_trbs()
1183 req->last_trb = trb; in tegra_xudc_queue_trbs()
1185 ep->enq_ptr++; in tegra_xudc_queue_trbs()
1186 if (ep->enq_ptr == XUDC_TRANSFER_RING_SIZE - 1) { in tegra_xudc_queue_trbs()
1187 trb = &ep->transfer_ring[ep->enq_ptr]; in tegra_xudc_queue_trbs()
1188 trb_write_cycle(trb, ep->pcs); in tegra_xudc_queue_trbs()
1189 ep->pcs = !ep->pcs; in tegra_xudc_queue_trbs()
1190 ep->enq_ptr = 0; in tegra_xudc_queue_trbs()
1202 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_ep_ring_doorbell()
1205 if (list_empty(&ep->queue)) in tegra_xudc_ep_ring_doorbell()
1208 val = DB_TARGET(ep->index); in tegra_xudc_ep_ring_doorbell()
1209 if (usb_endpoint_xfer_control(ep->desc)) { in tegra_xudc_ep_ring_doorbell()
1210 val |= DB_STREAMID(xudc->setup_seq_num); in tegra_xudc_ep_ring_doorbell()
1211 } else if (usb_ss_max_streams(ep->comp_desc) > 0) { in tegra_xudc_ep_ring_doorbell()
1215 if (ep->stream_rejected) in tegra_xudc_ep_ring_doorbell()
1218 req = list_first_entry(&ep->queue, struct tegra_xudc_request, in tegra_xudc_ep_ring_doorbell()
1220 val |= DB_STREAMID(req->usb_req.stream_id); in tegra_xudc_ep_ring_doorbell()
1223 dev_dbg(xudc->dev, "ring doorbell: %#x\n", val); in tegra_xudc_ep_ring_doorbell()
1232 list_for_each_entry(req, &ep->queue, list) { in tegra_xudc_ep_kick_queue()
1233 if (ep->ring_full) in tegra_xudc_ep_kick_queue()
1247 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_queue()
1250 if (usb_endpoint_xfer_control(ep->desc) && !list_empty(&ep->queue)) { in __tegra_xudc_ep_queue()
1251 dev_err(xudc->dev, "control EP has pending transfers\n"); in __tegra_xudc_ep_queue()
1252 return -EINVAL; in __tegra_xudc_ep_queue()
1255 if (usb_endpoint_xfer_control(ep->desc)) { in __tegra_xudc_ep_queue()
1256 err = usb_gadget_map_request(&xudc->gadget, &req->usb_req, in __tegra_xudc_ep_queue()
1257 (xudc->setup_state == in __tegra_xudc_ep_queue()
1260 err = usb_gadget_map_request(&xudc->gadget, &req->usb_req, in __tegra_xudc_ep_queue()
1261 usb_endpoint_dir_in(ep->desc)); in __tegra_xudc_ep_queue()
1265 dev_err(xudc->dev, "failed to map request: %d\n", err); in __tegra_xudc_ep_queue()
1269 req->first_trb = NULL; in __tegra_xudc_ep_queue()
1270 req->last_trb = NULL; in __tegra_xudc_ep_queue()
1271 req->buf_queued = 0; in __tegra_xudc_ep_queue()
1272 req->trbs_queued = 0; in __tegra_xudc_ep_queue()
1273 req->need_zlp = false; in __tegra_xudc_ep_queue()
1274 req->trbs_needed = DIV_ROUND_UP(req->usb_req.length, in __tegra_xudc_ep_queue()
1276 if (req->usb_req.length == 0) in __tegra_xudc_ep_queue()
1277 req->trbs_needed++; in __tegra_xudc_ep_queue()
1279 if (!usb_endpoint_xfer_isoc(ep->desc) && in __tegra_xudc_ep_queue()
1280 req->usb_req.zero && req->usb_req.length && in __tegra_xudc_ep_queue()
1281 ((req->usb_req.length % ep->usb_ep.maxpacket) == 0)) { in __tegra_xudc_ep_queue()
1282 req->trbs_needed++; in __tegra_xudc_ep_queue()
1283 req->need_zlp = true; in __tegra_xudc_ep_queue()
1286 req->usb_req.status = -EINPROGRESS; in __tegra_xudc_ep_queue()
1287 req->usb_req.actual = 0; in __tegra_xudc_ep_queue()
1289 list_add_tail(&req->list, &ep->queue); in __tegra_xudc_ep_queue()
1307 return -EINVAL; in tegra_xudc_ep_queue()
1311 xudc = ep->xudc; in tegra_xudc_ep_queue()
1313 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_queue()
1314 if (xudc->powergated || !ep->desc) { in tegra_xudc_ep_queue()
1315 ret = -ESHUTDOWN; in tegra_xudc_ep_queue()
1321 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_queue()
1329 struct tegra_xudc_trb *trb = req->first_trb; in squeeze_transfer_ring()
1335 * and must correct trb cycle bit to the last un-enqueued state. in squeeze_transfer_ring()
1337 while (trb != &ep->transfer_ring[ep->enq_ptr]) { in squeeze_transfer_ring()
1344 trb = ep->transfer_ring; in squeeze_transfer_ring()
1347 /* Requests will be re-queued at the start of the cancelled request. */ in squeeze_transfer_ring()
1348 ep->enq_ptr = req->first_trb - ep->transfer_ring; in squeeze_transfer_ring()
1353 ep->pcs = pcs_enq; in squeeze_transfer_ring()
1354 ep->ring_full = false; in squeeze_transfer_ring()
1355 list_for_each_entry_continue(req, &ep->queue, list) { in squeeze_transfer_ring()
1356 req->usb_req.status = -EINPROGRESS; in squeeze_transfer_ring()
1357 req->usb_req.actual = 0; in squeeze_transfer_ring()
1359 req->first_trb = NULL; in squeeze_transfer_ring()
1360 req->last_trb = NULL; in squeeze_transfer_ring()
1361 req->buf_queued = 0; in squeeze_transfer_ring()
1362 req->trbs_queued = 0; in squeeze_transfer_ring()
1374 dev_dbg(ep->xudc->dev, "%s: request %p -> %p; trb %p\n", __func__, in trb_in_request()
1375 req->first_trb, req->last_trb, trb); in trb_in_request()
1377 if (trb >= req->first_trb && (trb <= req->last_trb || in trb_in_request()
1378 req->last_trb < req->first_trb)) in trb_in_request()
1381 if (trb < req->first_trb && trb <= req->last_trb && in trb_in_request()
1382 req->last_trb < req->first_trb) in trb_in_request()
1396 struct tegra_xudc_trb *enq_trb = &ep->transfer_ring[ep->enq_ptr]; in trb_before_request()
1398 dev_dbg(ep->xudc->dev, "%s: request %p -> %p; enq ptr: %p; trb %p\n", in trb_before_request()
1399 __func__, req->first_trb, req->last_trb, enq_trb, trb); in trb_before_request()
1401 if (trb < req->first_trb && (enq_trb <= trb || in trb_before_request()
1402 req->first_trb < enq_trb)) in trb_before_request()
1405 if (trb > req->first_trb && req->first_trb < enq_trb && enq_trb <= trb) in trb_before_request()
1415 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_dequeue()
1422 list_for_each_entry(r, &ep->queue, list) { in __tegra_xudc_ep_dequeue()
1428 return -EINVAL; in __tegra_xudc_ep_dequeue()
1431 if (!req->trbs_queued) { in __tegra_xudc_ep_dequeue()
1432 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1437 if (ep_ctx_read_state(ep->context) == EP_STATE_RUNNING) { in __tegra_xudc_ep_dequeue()
1438 ep_pause(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1439 ep_wait_for_inactive(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1442 deq_trb = trb_phys_to_virt(ep, ep_ctx_read_deq_ptr(ep->context)); in __tegra_xudc_ep_dequeue()
1444 busy = (trb_read_cycle(deq_trb) == ep_ctx_read_dcs(ep->context)); in __tegra_xudc_ep_dequeue()
1455 req->usb_req.actual = ep_ctx_read_edtla(ep->context); in __tegra_xudc_ep_dequeue()
1456 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1460 if (req->usb_req.actual > 0) { in __tegra_xudc_ep_dequeue()
1465 ep_ctx_write_edtla(ep->context, 0); in __tegra_xudc_ep_dequeue()
1466 ep_ctx_write_partial_td(ep->context, 0); in __tegra_xudc_ep_dequeue()
1467 ep_ctx_write_data_offset(ep->context, 0); in __tegra_xudc_ep_dequeue()
1470 &ep->transfer_ring[ep->enq_ptr]); in __tegra_xudc_ep_dequeue()
1472 if (dma_mapping_error(xudc->dev, deq_ptr)) { in __tegra_xudc_ep_dequeue()
1473 ret = -EINVAL; in __tegra_xudc_ep_dequeue()
1475 ep_ctx_write_deq_ptr(ep->context, deq_ptr); in __tegra_xudc_ep_dequeue()
1476 ep_ctx_write_dcs(ep->context, ep->pcs); in __tegra_xudc_ep_dequeue()
1477 ep_reload(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1484 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1491 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1492 ret = -EINVAL; in __tegra_xudc_ep_dequeue()
1496 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1514 return -EINVAL; in tegra_xudc_ep_dequeue()
1518 xudc = ep->xudc; in tegra_xudc_ep_dequeue()
1520 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_dequeue()
1522 if (xudc->powergated || !ep->desc) { in tegra_xudc_ep_dequeue()
1523 ret = -ESHUTDOWN; in tegra_xudc_ep_dequeue()
1529 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_dequeue()
1536 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_set_halt()
1538 if (!ep->desc) in __tegra_xudc_ep_set_halt()
1539 return -EINVAL; in __tegra_xudc_ep_set_halt()
1541 if (usb_endpoint_xfer_isoc(ep->desc)) { in __tegra_xudc_ep_set_halt()
1542 dev_err(xudc->dev, "can't halt isochronous EP\n"); in __tegra_xudc_ep_set_halt()
1543 return -ENOTSUPP; in __tegra_xudc_ep_set_halt()
1546 if (!!(xudc_readl(xudc, EP_HALT) & BIT(ep->index)) == halt) { in __tegra_xudc_ep_set_halt()
1547 dev_dbg(xudc->dev, "EP %u already %s\n", ep->index, in __tegra_xudc_ep_set_halt()
1553 ep_halt(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1555 ep_ctx_write_state(ep->context, EP_STATE_DISABLED); in __tegra_xudc_ep_set_halt()
1557 ep_reload(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1559 ep_ctx_write_state(ep->context, EP_STATE_RUNNING); in __tegra_xudc_ep_set_halt()
1560 ep_ctx_write_seq_num(ep->context, 0); in __tegra_xudc_ep_set_halt()
1562 ep_reload(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1563 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1564 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1580 return -EINVAL; in tegra_xudc_ep_set_halt()
1583 xudc = ep->xudc; in tegra_xudc_ep_set_halt()
1585 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_set_halt()
1586 if (xudc->powergated) { in tegra_xudc_ep_set_halt()
1587 ret = -ESHUTDOWN; in tegra_xudc_ep_set_halt()
1591 if (value && usb_endpoint_dir_in(ep->desc) && in tegra_xudc_ep_set_halt()
1592 !list_empty(&ep->queue)) { in tegra_xudc_ep_set_halt()
1593 dev_err(xudc->dev, "can't halt EP with requests pending\n"); in tegra_xudc_ep_set_halt()
1594 ret = -EAGAIN; in tegra_xudc_ep_set_halt()
1600 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_set_halt()
1607 const struct usb_endpoint_descriptor *desc = ep->desc; in tegra_xudc_ep_context_setup()
1608 const struct usb_ss_ep_comp_descriptor *comp_desc = ep->comp_desc; in tegra_xudc_ep_context_setup()
1609 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_ep_context_setup()
1614 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep_context_setup()
1616 maxburst = comp_desc->bMaxBurst; in tegra_xudc_ep_context_setup()
1619 esit = le16_to_cpu(comp_desc->wBytesPerInterval); in tegra_xudc_ep_context_setup()
1620 } else if ((xudc->gadget.speed < USB_SPEED_SUPER) && in tegra_xudc_ep_context_setup()
1623 if (xudc->gadget.speed == USB_SPEED_HIGH) { in tegra_xudc_ep_context_setup()
1624 maxburst = usb_endpoint_maxp_mult(desc) - 1; in tegra_xudc_ep_context_setup()
1626 dev_warn(xudc->dev, in tegra_xudc_ep_context_setup()
1634 memset(ep->context, 0, sizeof(*ep->context)); in tegra_xudc_ep_context_setup()
1636 ep_ctx_write_state(ep->context, EP_STATE_RUNNING); in tegra_xudc_ep_context_setup()
1637 ep_ctx_write_interval(ep->context, desc->bInterval); in tegra_xudc_ep_context_setup()
1638 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep_context_setup()
1640 ep_ctx_write_mult(ep->context, in tegra_xudc_ep_context_setup()
1641 comp_desc->bmAttributes & 0x3); in tegra_xudc_ep_context_setup()
1645 ep_ctx_write_max_pstreams(ep->context, in tegra_xudc_ep_context_setup()
1646 comp_desc->bmAttributes & in tegra_xudc_ep_context_setup()
1648 ep_ctx_write_lsa(ep->context, 1); in tegra_xudc_ep_context_setup()
1657 ep_ctx_write_type(ep->context, val); in tegra_xudc_ep_context_setup()
1658 ep_ctx_write_cerr(ep->context, 0x3); in tegra_xudc_ep_context_setup()
1659 ep_ctx_write_max_packet_size(ep->context, maxpacket); in tegra_xudc_ep_context_setup()
1660 ep_ctx_write_max_burst_size(ep->context, maxburst); in tegra_xudc_ep_context_setup()
1662 ep_ctx_write_deq_ptr(ep->context, ep->transfer_ring_phys); in tegra_xudc_ep_context_setup()
1663 ep_ctx_write_dcs(ep->context, ep->pcs); in tegra_xudc_ep_context_setup()
1680 ep_ctx_write_avg_trb_len(ep->context, val); in tegra_xudc_ep_context_setup()
1681 ep_ctx_write_max_esit_payload(ep->context, esit); in tegra_xudc_ep_context_setup()
1683 ep_ctx_write_cerrcnt(ep->context, 0x3); in tegra_xudc_ep_context_setup()
1689 trb_write_data_ptr(trb, ep->transfer_ring_phys); in setup_link_trb()
1696 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_disable()
1698 if (ep_ctx_read_state(ep->context) == EP_STATE_DISABLED) { in __tegra_xudc_ep_disable()
1699 dev_err(xudc->dev, "endpoint %u already disabled\n", in __tegra_xudc_ep_disable()
1700 ep->index); in __tegra_xudc_ep_disable()
1701 return -EINVAL; in __tegra_xudc_ep_disable()
1704 ep_ctx_write_state(ep->context, EP_STATE_DISABLED); in __tegra_xudc_ep_disable()
1706 ep_reload(xudc, ep->index); in __tegra_xudc_ep_disable()
1708 tegra_xudc_ep_nuke(ep, -ESHUTDOWN); in __tegra_xudc_ep_disable()
1710 xudc->nr_enabled_eps--; in __tegra_xudc_ep_disable()
1711 if (usb_endpoint_xfer_isoc(ep->desc)) in __tegra_xudc_ep_disable()
1712 xudc->nr_isoch_eps--; in __tegra_xudc_ep_disable()
1714 ep->desc = NULL; in __tegra_xudc_ep_disable()
1715 ep->comp_desc = NULL; in __tegra_xudc_ep_disable()
1717 memset(ep->context, 0, sizeof(*ep->context)); in __tegra_xudc_ep_disable()
1719 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_disable()
1720 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_disable()
1721 if (xudc_readl(xudc, EP_STOPPED) & BIT(ep->index)) in __tegra_xudc_ep_disable()
1722 xudc_writel(xudc, BIT(ep->index), EP_STOPPED); in __tegra_xudc_ep_disable()
1725 * If this is the last endpoint disabled in a de-configure request, in __tegra_xudc_ep_disable()
1728 if ((xudc->device_state == USB_STATE_CONFIGURED) && in __tegra_xudc_ep_disable()
1729 (xudc->nr_enabled_eps == 1)) { in __tegra_xudc_ep_disable()
1732 xudc->device_state = USB_STATE_ADDRESS; in __tegra_xudc_ep_disable()
1733 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in __tegra_xudc_ep_disable()
1740 dev_info(xudc->dev, "ep %u disabled\n", ep->index); in __tegra_xudc_ep_disable()
1753 return -EINVAL; in tegra_xudc_ep_disable()
1756 xudc = ep->xudc; in tegra_xudc_ep_disable()
1758 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_disable()
1759 if (xudc->powergated) { in tegra_xudc_ep_disable()
1760 ret = -ESHUTDOWN; in tegra_xudc_ep_disable()
1766 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_disable()
1774 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_enable()
1778 if (xudc->gadget.speed == USB_SPEED_SUPER && in __tegra_xudc_ep_enable()
1779 !usb_endpoint_xfer_control(desc) && !ep->usb_ep.comp_desc) in __tegra_xudc_ep_enable()
1780 return -EINVAL; in __tegra_xudc_ep_enable()
1783 if (ep_ctx_read_state(ep->context) != EP_STATE_DISABLED) in __tegra_xudc_ep_enable()
1786 ep->desc = desc; in __tegra_xudc_ep_enable()
1787 ep->comp_desc = ep->usb_ep.comp_desc; in __tegra_xudc_ep_enable()
1790 if (xudc->nr_isoch_eps > XUDC_MAX_ISOCH_EPS) { in __tegra_xudc_ep_enable()
1791 dev_err(xudc->dev, "too many isochronous endpoints\n"); in __tegra_xudc_ep_enable()
1792 return -EBUSY; in __tegra_xudc_ep_enable()
1794 xudc->nr_isoch_eps++; in __tegra_xudc_ep_enable()
1797 memset(ep->transfer_ring, 0, XUDC_TRANSFER_RING_SIZE * in __tegra_xudc_ep_enable()
1798 sizeof(*ep->transfer_ring)); in __tegra_xudc_ep_enable()
1799 setup_link_trb(ep, &ep->transfer_ring[XUDC_TRANSFER_RING_SIZE - 1]); in __tegra_xudc_ep_enable()
1801 ep->enq_ptr = 0; in __tegra_xudc_ep_enable()
1802 ep->deq_ptr = 0; in __tegra_xudc_ep_enable()
1803 ep->pcs = true; in __tegra_xudc_ep_enable()
1804 ep->ring_full = false; in __tegra_xudc_ep_enable()
1805 xudc->nr_enabled_eps++; in __tegra_xudc_ep_enable()
1810 * No need to reload and un-halt EP0. This will be done automatically in __tegra_xudc_ep_enable()
1817 * Transition to configured state once the first non-control in __tegra_xudc_ep_enable()
1820 if (xudc->device_state == USB_STATE_ADDRESS) { in __tegra_xudc_ep_enable()
1825 xudc->device_state = USB_STATE_CONFIGURED; in __tegra_xudc_ep_enable()
1826 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in __tegra_xudc_ep_enable()
1834 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in __tegra_xudc_ep_enable()
1835 if (xudc->ep[i].desc && in __tegra_xudc_ep_enable()
1836 usb_endpoint_xfer_bulk(xudc->ep[i].desc)) in __tegra_xudc_ep_enable()
1841 ep_reload(xudc, ep->index); in __tegra_xudc_ep_enable()
1842 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_enable()
1843 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_enable()
1846 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in __tegra_xudc_ep_enable()
1847 if (xudc->ep[i].desc && in __tegra_xudc_ep_enable()
1848 usb_endpoint_xfer_bulk(xudc->ep[i].desc)) in __tegra_xudc_ep_enable()
1854 dev_info(xudc->dev, "EP %u (type: %s, dir: %s) enabled\n", ep->index, in __tegra_xudc_ep_enable()
1855 usb_ep_type_string(usb_endpoint_type(ep->desc)), in __tegra_xudc_ep_enable()
1856 usb_endpoint_dir_in(ep->desc) ? "in" : "out"); in __tegra_xudc_ep_enable()
1869 if (!usb_ep || !desc || (desc->bDescriptorType != USB_DT_ENDPOINT)) in tegra_xudc_ep_enable()
1870 return -EINVAL; in tegra_xudc_ep_enable()
1873 xudc = ep->xudc; in tegra_xudc_ep_enable()
1875 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_enable()
1876 if (xudc->powergated) { in tegra_xudc_ep_enable()
1877 ret = -ESHUTDOWN; in tegra_xudc_ep_enable()
1883 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_enable()
1897 INIT_LIST_HEAD(&req->list); in tegra_xudc_ep_alloc_request()
1899 return &req->usb_req; in tegra_xudc_ep_alloc_request()
1923 return -EBUSY; in tegra_xudc_ep0_enable()
1928 return -EBUSY; in tegra_xudc_ep0_disable()
1947 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_get_frame()
1948 if (xudc->powergated) { in tegra_xudc_gadget_get_frame()
1949 ret = -ESHUTDOWN; in tegra_xudc_gadget_get_frame()
1956 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_get_frame()
1976 if (xudc->device_state == USB_STATE_SUSPENDED) { in tegra_xudc_resume_device_state()
1977 xudc->device_state = xudc->resume_state; in tegra_xudc_resume_device_state()
1978 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_resume_device_state()
1979 xudc->resume_state = 0; in tegra_xudc_resume_device_state()
1987 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_resume_device_state()
1988 tegra_xudc_ep_ring_doorbell(&xudc->ep[i]); in tegra_xudc_resume_device_state()
1998 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_wakeup()
2000 if (xudc->powergated) { in tegra_xudc_gadget_wakeup()
2001 ret = -ESHUTDOWN; in tegra_xudc_gadget_wakeup()
2005 dev_dbg(xudc->dev, "%s: PORTPM=%#x, speed=%x\n", __func__, in tegra_xudc_gadget_wakeup()
2006 val, gadget->speed); in tegra_xudc_gadget_wakeup()
2008 if (((xudc->gadget.speed <= USB_SPEED_HIGH) && in tegra_xudc_gadget_wakeup()
2010 ((xudc->gadget.speed == USB_SPEED_SUPER) && in tegra_xudc_gadget_wakeup()
2015 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_gadget_wakeup()
2024 dev_dbg(xudc->dev, "%s: ret value is %d", __func__, ret); in tegra_xudc_gadget_wakeup()
2025 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_wakeup()
2036 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_pullup()
2038 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_pullup()
2040 if (is_on != xudc->pullup) { in tegra_xudc_gadget_pullup()
2049 xudc->pullup = is_on; in tegra_xudc_gadget_pullup()
2050 dev_dbg(xudc->dev, "%s: pullup:%d", __func__, is_on); in tegra_xudc_gadget_pullup()
2052 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_pullup()
2054 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_pullup()
2069 return -EINVAL; in tegra_xudc_gadget_start()
2071 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_start()
2073 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_start()
2075 if (xudc->driver) { in tegra_xudc_gadget_start()
2076 ret = -EBUSY; in tegra_xudc_gadget_start()
2080 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_gadget_start()
2081 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_gadget_start()
2082 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_gadget_start()
2084 ret = __tegra_xudc_ep_enable(&xudc->ep[0], &tegra_xudc_ep0_desc); in tegra_xudc_gadget_start()
2096 if (xudc->pullup) { in tegra_xudc_gadget_start()
2102 for (i = 0; i < xudc->soc->num_phys; i++) in tegra_xudc_gadget_start()
2103 if (xudc->usbphy[i]) in tegra_xudc_gadget_start()
2104 otg_set_peripheral(xudc->usbphy[i]->otg, gadget); in tegra_xudc_gadget_start()
2106 xudc->driver = driver; in tegra_xudc_gadget_start()
2108 dev_dbg(xudc->dev, "%s: ret value is %d", __func__, ret); in tegra_xudc_gadget_start()
2109 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_start()
2111 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_start()
2123 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_stop()
2125 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_stop()
2127 for (i = 0; i < xudc->soc->num_phys; i++) in tegra_xudc_gadget_stop()
2128 if (xudc->usbphy[i]) in tegra_xudc_gadget_stop()
2129 otg_set_peripheral(xudc->usbphy[i]->otg, NULL); in tegra_xudc_gadget_stop()
2135 __tegra_xudc_ep_disable(&xudc->ep[0]); in tegra_xudc_gadget_stop()
2137 xudc->driver = NULL; in tegra_xudc_gadget_stop()
2138 dev_dbg(xudc->dev, "Gadget stopped"); in tegra_xudc_gadget_stop()
2140 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_stop()
2142 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_stop()
2153 dev_dbg(xudc->dev, "%s: %u mA\n", __func__, m_a); in tegra_xudc_gadget_vbus_draw()
2155 if (xudc->curr_usbphy->chg_type == SDP_TYPE) in tegra_xudc_gadget_vbus_draw()
2156 ret = usb_phy_set_power(xudc->curr_usbphy, m_a); in tegra_xudc_gadget_vbus_draw()
2165 dev_dbg(xudc->dev, "%s: %d\n", __func__, is_on); in tegra_xudc_set_selfpowered()
2166 xudc->selfpowered = !!is_on; in tegra_xudc_set_selfpowered()
2189 xudc->ep0_req->usb_req.buf = NULL; in tegra_xudc_ep0_queue_status()
2190 xudc->ep0_req->usb_req.dma = 0; in tegra_xudc_ep0_queue_status()
2191 xudc->ep0_req->usb_req.length = 0; in tegra_xudc_ep0_queue_status()
2192 xudc->ep0_req->usb_req.complete = cmpl; in tegra_xudc_ep0_queue_status()
2193 xudc->ep0_req->usb_req.context = xudc; in tegra_xudc_ep0_queue_status()
2195 return __tegra_xudc_ep_queue(&xudc->ep[0], xudc->ep0_req); in tegra_xudc_ep0_queue_status()
2202 xudc->ep0_req->usb_req.buf = buf; in tegra_xudc_ep0_queue_data()
2203 xudc->ep0_req->usb_req.length = len; in tegra_xudc_ep0_queue_data()
2204 xudc->ep0_req->usb_req.complete = cmpl; in tegra_xudc_ep0_queue_data()
2205 xudc->ep0_req->usb_req.context = xudc; in tegra_xudc_ep0_queue_data()
2207 return __tegra_xudc_ep_queue(&xudc->ep[0], xudc->ep0_req); in tegra_xudc_ep0_queue_data()
2212 switch (xudc->setup_state) { in tegra_xudc_ep0_req_done()
2214 xudc->setup_state = STATUS_STAGE_RECV; in tegra_xudc_ep0_req_done()
2218 xudc->setup_state = STATUS_STAGE_XFER; in tegra_xudc_ep0_req_done()
2222 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_ep0_req_done()
2232 spin_unlock(&xudc->lock); in tegra_xudc_ep0_delegate_req()
2233 ret = xudc->driver->setup(&xudc->gadget, ctrl); in tegra_xudc_ep0_delegate_req()
2234 spin_lock(&xudc->lock); in tegra_xudc_ep0_delegate_req()
2241 struct tegra_xudc *xudc = req->context; in set_feature_complete()
2243 if (xudc->test_mode_pattern) { in set_feature_complete()
2244 xudc_writel(xudc, xudc->test_mode_pattern, PORT_TM); in set_feature_complete()
2245 xudc->test_mode_pattern = 0; in set_feature_complete()
2252 bool set = (ctrl->bRequest == USB_REQ_SET_FEATURE); in tegra_xudc_ep0_set_feature()
2253 u32 feature = le16_to_cpu(ctrl->wValue); in tegra_xudc_ep0_set_feature()
2254 u32 index = le16_to_cpu(ctrl->wIndex); in tegra_xudc_ep0_set_feature()
2258 if (le16_to_cpu(ctrl->wLength) != 0) in tegra_xudc_ep0_set_feature()
2259 return -EINVAL; in tegra_xudc_ep0_set_feature()
2261 switch (ctrl->bRequestType & USB_RECIP_MASK) { in tegra_xudc_ep0_set_feature()
2265 if ((xudc->gadget.speed == USB_SPEED_SUPER) || in tegra_xudc_ep0_set_feature()
2266 (xudc->device_state == USB_STATE_DEFAULT)) in tegra_xudc_ep0_set_feature()
2267 return -EINVAL; in tegra_xudc_ep0_set_feature()
2279 if ((xudc->device_state != USB_STATE_CONFIGURED) || in tegra_xudc_ep0_set_feature()
2280 (xudc->gadget.speed != USB_SPEED_SUPER)) in tegra_xudc_ep0_set_feature()
2281 return -EINVAL; in tegra_xudc_ep0_set_feature()
2285 xudc->soc->u1_enable) { in tegra_xudc_ep0_set_feature()
2293 xudc->soc->u2_enable) { in tegra_xudc_ep0_set_feature()
2303 if (xudc->gadget.speed != USB_SPEED_HIGH) in tegra_xudc_ep0_set_feature()
2304 return -EINVAL; in tegra_xudc_ep0_set_feature()
2307 return -EINVAL; in tegra_xudc_ep0_set_feature()
2309 xudc->test_mode_pattern = index >> 8; in tegra_xudc_ep0_set_feature()
2312 return -EINVAL; in tegra_xudc_ep0_set_feature()
2317 if (xudc->device_state != USB_STATE_CONFIGURED) in tegra_xudc_ep0_set_feature()
2318 return -EINVAL; in tegra_xudc_ep0_set_feature()
2335 return -EINVAL; in tegra_xudc_ep0_set_feature()
2343 if ((xudc->device_state == USB_STATE_DEFAULT) || in tegra_xudc_ep0_set_feature()
2344 ((xudc->device_state == USB_STATE_ADDRESS) && in tegra_xudc_ep0_set_feature()
2346 return -EINVAL; in tegra_xudc_ep0_set_feature()
2348 ret = __tegra_xudc_ep_set_halt(&xudc->ep[ep], set); in tegra_xudc_ep0_set_feature()
2353 return -EINVAL; in tegra_xudc_ep0_set_feature()
2363 u32 val, ep, index = le16_to_cpu(ctrl->wIndex); in tegra_xudc_ep0_get_status()
2366 if (!(ctrl->bRequestType & USB_DIR_IN)) in tegra_xudc_ep0_get_status()
2367 return -EINVAL; in tegra_xudc_ep0_get_status()
2369 if ((le16_to_cpu(ctrl->wValue) != 0) || in tegra_xudc_ep0_get_status()
2370 (le16_to_cpu(ctrl->wLength) != 2)) in tegra_xudc_ep0_get_status()
2371 return -EINVAL; in tegra_xudc_ep0_get_status()
2373 switch (ctrl->bRequestType & USB_RECIP_MASK) { in tegra_xudc_ep0_get_status()
2377 if (xudc->selfpowered) in tegra_xudc_ep0_get_status()
2380 if ((xudc->gadget.speed < USB_SPEED_SUPER) && in tegra_xudc_ep0_get_status()
2384 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep0_get_status()
2392 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep0_get_status()
2402 ep_ctx = &xudc->ep_context[ep]; in tegra_xudc_ep0_get_status()
2404 if ((xudc->device_state != USB_STATE_CONFIGURED) && in tegra_xudc_ep0_get_status()
2405 ((xudc->device_state != USB_STATE_ADDRESS) || (ep != 0))) in tegra_xudc_ep0_get_status()
2406 return -EINVAL; in tegra_xudc_ep0_get_status()
2409 return -EINVAL; in tegra_xudc_ep0_get_status()
2415 return -EINVAL; in tegra_xudc_ep0_get_status()
2418 xudc->status_buf = cpu_to_le16(status); in tegra_xudc_ep0_get_status()
2419 return tegra_xudc_ep0_queue_data(xudc, &xudc->status_buf, in tegra_xudc_ep0_get_status()
2420 sizeof(xudc->status_buf), in tegra_xudc_ep0_get_status()
2432 if (ctrl->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE | in tegra_xudc_ep0_set_sel()
2434 return -EINVAL; in tegra_xudc_ep0_set_sel()
2436 if (xudc->device_state == USB_STATE_DEFAULT) in tegra_xudc_ep0_set_sel()
2437 return -EINVAL; in tegra_xudc_ep0_set_sel()
2439 if ((le16_to_cpu(ctrl->wIndex) != 0) || in tegra_xudc_ep0_set_sel()
2440 (le16_to_cpu(ctrl->wValue) != 0) || in tegra_xudc_ep0_set_sel()
2441 (le16_to_cpu(ctrl->wLength) != 6)) in tegra_xudc_ep0_set_sel()
2442 return -EINVAL; in tegra_xudc_ep0_set_sel()
2444 return tegra_xudc_ep0_queue_data(xudc, &xudc->sel_timing, in tegra_xudc_ep0_set_sel()
2445 sizeof(xudc->sel_timing), in tegra_xudc_ep0_set_sel()
2457 u32 delay = le16_to_cpu(ctrl->wValue); in tegra_xudc_ep0_set_isoch_delay()
2459 if (ctrl->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE | in tegra_xudc_ep0_set_isoch_delay()
2461 return -EINVAL; in tegra_xudc_ep0_set_isoch_delay()
2463 if ((delay > 65535) || (le16_to_cpu(ctrl->wIndex) != 0) || in tegra_xudc_ep0_set_isoch_delay()
2464 (le16_to_cpu(ctrl->wLength) != 0)) in tegra_xudc_ep0_set_isoch_delay()
2465 return -EINVAL; in tegra_xudc_ep0_set_isoch_delay()
2467 xudc->isoch_delay = delay; in tegra_xudc_ep0_set_isoch_delay()
2474 struct tegra_xudc *xudc = req->context; in set_address_complete()
2476 if ((xudc->device_state == USB_STATE_DEFAULT) && in set_address_complete()
2477 (xudc->dev_addr != 0)) { in set_address_complete()
2478 xudc->device_state = USB_STATE_ADDRESS; in set_address_complete()
2479 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in set_address_complete()
2480 } else if ((xudc->device_state == USB_STATE_ADDRESS) && in set_address_complete()
2481 (xudc->dev_addr == 0)) { in set_address_complete()
2482 xudc->device_state = USB_STATE_DEFAULT; in set_address_complete()
2483 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in set_address_complete()
2490 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_ep0_set_address()
2491 u32 val, addr = le16_to_cpu(ctrl->wValue); in tegra_xudc_ep0_set_address()
2493 if (ctrl->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE | in tegra_xudc_ep0_set_address()
2495 return -EINVAL; in tegra_xudc_ep0_set_address()
2497 if ((addr > 127) || (le16_to_cpu(ctrl->wIndex) != 0) || in tegra_xudc_ep0_set_address()
2498 (le16_to_cpu(ctrl->wLength) != 0)) in tegra_xudc_ep0_set_address()
2499 return -EINVAL; in tegra_xudc_ep0_set_address()
2501 if (xudc->device_state == USB_STATE_CONFIGURED) in tegra_xudc_ep0_set_address()
2502 return -EINVAL; in tegra_xudc_ep0_set_address()
2504 dev_dbg(xudc->dev, "set address: %u\n", addr); in tegra_xudc_ep0_set_address()
2506 xudc->dev_addr = addr; in tegra_xudc_ep0_set_address()
2512 ep_ctx_write_devaddr(ep0->context, addr); in tegra_xudc_ep0_set_address()
2522 switch (ctrl->bRequest) { in tegra_xudc_ep0_standard_req()
2524 dev_dbg(xudc->dev, "USB_REQ_GET_STATUS\n"); in tegra_xudc_ep0_standard_req()
2528 dev_dbg(xudc->dev, "USB_REQ_SET_ADDRESS\n"); in tegra_xudc_ep0_standard_req()
2532 dev_dbg(xudc->dev, "USB_REQ_SET_SEL\n"); in tegra_xudc_ep0_standard_req()
2536 dev_dbg(xudc->dev, "USB_REQ_SET_ISOCH_DELAY\n"); in tegra_xudc_ep0_standard_req()
2541 dev_dbg(xudc->dev, "USB_REQ_CLEAR/SET_FEATURE\n"); in tegra_xudc_ep0_standard_req()
2545 dev_dbg(xudc->dev, "USB_REQ_SET_CONFIGURATION\n"); in tegra_xudc_ep0_standard_req()
2566 xudc->setup_seq_num = seq_num; in tegra_xudc_handle_ep0_setup_packet()
2575 if (xudc->soc->invalid_seq_num && in tegra_xudc_handle_ep0_setup_packet()
2577 dev_warn(xudc->dev, "invalid sequence number detected\n"); in tegra_xudc_handle_ep0_setup_packet()
2582 if (ctrl->wLength) in tegra_xudc_handle_ep0_setup_packet()
2583 xudc->setup_state = (ctrl->bRequestType & USB_DIR_IN) ? in tegra_xudc_handle_ep0_setup_packet()
2586 xudc->setup_state = STATUS_STAGE_XFER; in tegra_xudc_handle_ep0_setup_packet()
2588 if ((ctrl->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) in tegra_xudc_handle_ep0_setup_packet()
2594 dev_warn(xudc->dev, "setup request failed: %d\n", ret); in tegra_xudc_handle_ep0_setup_packet()
2595 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_handle_ep0_setup_packet()
2606 if (xudc->setup_state != WAIT_FOR_SETUP) { in tegra_xudc_handle_ep0_event()
2613 memcpy(&xudc->setup_packet.ctrl_req, ctrl, sizeof(*ctrl)); in tegra_xudc_handle_ep0_event()
2614 xudc->setup_packet.seq_num = seq_num; in tegra_xudc_handle_ep0_event()
2615 xudc->queued_setup_packet = true; in tegra_xudc_handle_ep0_event()
2626 list_for_each_entry(req, &ep->queue, list) { in trb_to_request()
2627 if (!req->trbs_queued) in trb_to_request()
2656 (req->trbs_needed == req->trbs_queued)))) { in tegra_xudc_handle_transfer_completion()
2657 struct tegra_xudc_trb *last = req->last_trb; in tegra_xudc_handle_transfer_completion()
2661 req->usb_req.actual = req->usb_req.length - residual; in tegra_xudc_handle_transfer_completion()
2663 dev_dbg(xudc->dev, "bytes transferred %u / %u\n", in tegra_xudc_handle_transfer_completion()
2664 req->usb_req.actual, req->usb_req.length); in tegra_xudc_handle_transfer_completion()
2668 if (ep->desc && usb_endpoint_xfer_control(ep->desc)) in tegra_xudc_handle_transfer_completion()
2676 ep->deq_ptr = (last - ep->transfer_ring) + 1; in tegra_xudc_handle_transfer_completion()
2677 if (ep->deq_ptr == XUDC_TRANSFER_RING_SIZE - 1) in tegra_xudc_handle_transfer_completion()
2678 ep->deq_ptr = 0; in tegra_xudc_handle_transfer_completion()
2681 dev_warn(xudc->dev, "transfer event on dequeued request\n"); in tegra_xudc_handle_transfer_completion()
2684 if (ep->desc) in tegra_xudc_handle_transfer_completion()
2692 struct tegra_xudc_ep *ep = &xudc->ep[ep_index]; in tegra_xudc_handle_transfer_event()
2696 if (ep_ctx_read_state(ep->context) == EP_STATE_DISABLED) { in tegra_xudc_handle_transfer_event()
2697 dev_warn(xudc->dev, "transfer event on disabled EP %u\n", in tegra_xudc_handle_transfer_event()
2706 ep->deq_ptr = (trb - ep->transfer_ring) + 1; in tegra_xudc_handle_transfer_event()
2708 if (ep->deq_ptr == XUDC_TRANSFER_RING_SIZE - 1) in tegra_xudc_handle_transfer_event()
2709 ep->deq_ptr = 0; in tegra_xudc_handle_transfer_event()
2710 ep->ring_full = false; in tegra_xudc_handle_transfer_event()
2719 dev_info(xudc->dev, "stream rejected on EP %u\n", ep_index); in tegra_xudc_handle_transfer_event()
2721 ep->stream_rejected = true; in tegra_xudc_handle_transfer_event()
2724 dev_info(xudc->dev, "prime pipe received on EP %u\n", ep_index); in tegra_xudc_handle_transfer_event()
2726 if (ep->stream_rejected) { in tegra_xudc_handle_transfer_event()
2727 ep->stream_rejected = false; in tegra_xudc_handle_transfer_event()
2731 * un-stop it. in tegra_xudc_handle_transfer_event()
2743 ep->enq_ptr = ep->deq_ptr; in tegra_xudc_handle_transfer_event()
2744 tegra_xudc_ep_nuke(ep, -EIO); in tegra_xudc_handle_transfer_event()
2754 dev_err(xudc->dev, "completion error %#x on EP %u\n", in tegra_xudc_handle_transfer_event()
2760 dev_info(xudc->dev, "sequence number error\n"); in tegra_xudc_handle_transfer_event()
2766 tegra_xudc_ep_nuke(ep, -EINVAL); in tegra_xudc_handle_transfer_event()
2767 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_handle_transfer_event()
2768 if (!xudc->queued_setup_packet) in tegra_xudc_handle_transfer_event()
2772 &xudc->setup_packet.ctrl_req, in tegra_xudc_handle_transfer_event()
2773 xudc->setup_packet.seq_num); in tegra_xudc_handle_transfer_event()
2774 xudc->queued_setup_packet = false; in tegra_xudc_handle_transfer_event()
2777 dev_dbg(xudc->dev, "stop completion code on EP %u\n", in tegra_xudc_handle_transfer_event()
2781 tegra_xudc_ep_nuke(ep, -ECONNREFUSED); in tegra_xudc_handle_transfer_event()
2784 dev_dbg(xudc->dev, "completion event %#x on EP %u\n", in tegra_xudc_handle_transfer_event()
2792 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_reset()
2796 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_reset()
2797 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_reset()
2798 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_reset()
2802 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_reset()
2803 tegra_xudc_ep_nuke(&xudc->ep[i], -ESHUTDOWN); in tegra_xudc_reset()
2809 ep0->deq_ptr = ep0->enq_ptr; in tegra_xudc_reset()
2810 ep0->ring_full = false; in tegra_xudc_reset()
2812 xudc->setup_seq_num = 0; in tegra_xudc_reset()
2813 xudc->queued_setup_packet = false; in tegra_xudc_reset()
2815 ep_ctx_write_seq_num(ep0->context, xudc->setup_seq_num); in tegra_xudc_reset()
2817 deq_ptr = trb_virt_to_phys(ep0, &ep0->transfer_ring[ep0->deq_ptr]); in tegra_xudc_reset()
2819 if (!dma_mapping_error(xudc->dev, deq_ptr)) { in tegra_xudc_reset()
2820 ep_ctx_write_deq_ptr(ep0->context, deq_ptr); in tegra_xudc_reset()
2821 ep_ctx_write_dcs(ep0->context, ep0->pcs); in tegra_xudc_reset()
2831 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_port_connect()
2838 xudc->gadget.speed = USB_SPEED_LOW; in tegra_xudc_port_connect()
2841 xudc->gadget.speed = USB_SPEED_FULL; in tegra_xudc_port_connect()
2844 xudc->gadget.speed = USB_SPEED_HIGH; in tegra_xudc_port_connect()
2847 xudc->gadget.speed = USB_SPEED_SUPER; in tegra_xudc_port_connect()
2850 xudc->gadget.speed = USB_SPEED_UNKNOWN; in tegra_xudc_port_connect()
2854 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_port_connect()
2855 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_connect()
2857 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_port_connect()
2859 if (xudc->gadget.speed == USB_SPEED_SUPER) in tegra_xudc_port_connect()
2864 ep_ctx_write_max_packet_size(ep0->context, maxpacket); in tegra_xudc_port_connect()
2866 usb_ep_set_maxpacket_limit(&ep0->usb_ep, maxpacket); in tegra_xudc_port_connect()
2868 if (!xudc->soc->u1_enable) { in tegra_xudc_port_connect()
2874 if (!xudc->soc->u2_enable) { in tegra_xudc_port_connect()
2880 if (xudc->gadget.speed <= USB_SPEED_HIGH) { in tegra_xudc_port_connect()
2883 if (xudc->soc->lpm_enable) in tegra_xudc_port_connect()
2899 if (xudc->driver && xudc->driver->disconnect) { in tegra_xudc_port_disconnect()
2900 spin_unlock(&xudc->lock); in tegra_xudc_port_disconnect()
2901 xudc->driver->disconnect(&xudc->gadget); in tegra_xudc_port_disconnect()
2902 spin_lock(&xudc->lock); in tegra_xudc_port_disconnect()
2905 xudc->device_state = USB_STATE_NOTATTACHED; in tegra_xudc_port_disconnect()
2906 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_disconnect()
2908 complete(&xudc->disconnect_complete); in tegra_xudc_port_disconnect()
2915 if (xudc->driver) { in tegra_xudc_port_reset()
2916 spin_unlock(&xudc->lock); in tegra_xudc_port_reset()
2917 usb_gadget_udc_reset(&xudc->gadget, xudc->driver); in tegra_xudc_port_reset()
2918 spin_lock(&xudc->lock); in tegra_xudc_port_reset()
2926 dev_dbg(xudc->dev, "port suspend\n"); in tegra_xudc_port_suspend()
2928 xudc->resume_state = xudc->device_state; in tegra_xudc_port_suspend()
2929 xudc->device_state = USB_STATE_SUSPENDED; in tegra_xudc_port_suspend()
2930 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_suspend()
2932 if (xudc->driver->suspend) { in tegra_xudc_port_suspend()
2933 spin_unlock(&xudc->lock); in tegra_xudc_port_suspend()
2934 xudc->driver->suspend(&xudc->gadget); in tegra_xudc_port_suspend()
2935 spin_lock(&xudc->lock); in tegra_xudc_port_suspend()
2941 dev_dbg(xudc->dev, "port resume\n"); in tegra_xudc_port_resume()
2945 if (xudc->driver->resume) { in tegra_xudc_port_resume()
2946 spin_unlock(&xudc->lock); in tegra_xudc_port_resume()
2947 xudc->driver->resume(&xudc->gadget); in tegra_xudc_port_resume()
2948 spin_lock(&xudc->lock); in tegra_xudc_port_resume()
2969 dev_dbg(xudc->dev, "STCHG_REQ, PORTHALT = %#x\n", porthalt); in __tegra_xudc_handle_port_status()
2976 dev_dbg(xudc->dev, "PRC, PR, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
2979 if (xudc->soc->port_reset_quirk) { in __tegra_xudc_handle_port_status()
2980 schedule_delayed_work(&xudc->port_reset_war_work, in __tegra_xudc_handle_port_status()
2982 xudc->wait_for_sec_prc = 1; in __tegra_xudc_handle_port_status()
2987 dev_dbg(xudc->dev, "PRC, Not PR, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
2990 cancel_delayed_work(&xudc->port_reset_war_work); in __tegra_xudc_handle_port_status()
2991 xudc->wait_for_sec_prc = 0; in __tegra_xudc_handle_port_status()
2996 dev_dbg(xudc->dev, "WRC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3004 dev_dbg(xudc->dev, "CSC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3012 if (xudc->wait_csc) { in __tegra_xudc_handle_port_status()
3013 cancel_delayed_work(&xudc->plc_reset_work); in __tegra_xudc_handle_port_status()
3014 xudc->wait_csc = false; in __tegra_xudc_handle_port_status()
3022 dev_dbg(xudc->dev, "PLC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3029 if (xudc->gadget.speed < USB_SPEED_SUPER) in __tegra_xudc_handle_port_status()
3033 if (xudc->gadget.speed == USB_SPEED_SUPER) in __tegra_xudc_handle_port_status()
3037 schedule_delayed_work(&xudc->plc_reset_work, in __tegra_xudc_handle_port_status()
3039 xudc->wait_csc = true; in __tegra_xudc_handle_port_status()
3047 dev_warn(xudc->dev, "CEC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3051 dev_dbg(xudc->dev, "PORTSC = %#x\n", xudc_readl(xudc, PORTSC)); in __tegra_xudc_handle_port_status()
3079 dev_info(xudc->dev, "Unrecognized TRB type = %#x\n", type); in tegra_xudc_handle_event()
3090 event = xudc->event_ring[xudc->event_ring_index] + in tegra_xudc_process_event_ring()
3091 xudc->event_ring_deq_ptr; in tegra_xudc_process_event_ring()
3093 if (trb_read_cycle(event) != xudc->ccs) in tegra_xudc_process_event_ring()
3098 xudc->event_ring_deq_ptr++; in tegra_xudc_process_event_ring()
3099 if (xudc->event_ring_deq_ptr == XUDC_EVENT_RING_SIZE) { in tegra_xudc_process_event_ring()
3100 xudc->event_ring_deq_ptr = 0; in tegra_xudc_process_event_ring()
3101 xudc->event_ring_index++; in tegra_xudc_process_event_ring()
3104 if (xudc->event_ring_index == XUDC_NR_EVENT_RINGS) { in tegra_xudc_process_event_ring()
3105 xudc->event_ring_index = 0; in tegra_xudc_process_event_ring()
3106 xudc->ccs = !xudc->ccs; in tegra_xudc_process_event_ring()
3110 erdp = xudc->event_ring_phys[xudc->event_ring_index] + in tegra_xudc_process_event_ring()
3111 xudc->event_ring_deq_ptr * sizeof(*event); in tegra_xudc_process_event_ring()
3128 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_irq()
3130 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_irq()
3137 struct tegra_xudc_ep *ep = &xudc->ep[index]; in tegra_xudc_alloc_ep()
3139 ep->xudc = xudc; in tegra_xudc_alloc_ep()
3140 ep->index = index; in tegra_xudc_alloc_ep()
3141 ep->context = &xudc->ep_context[index]; in tegra_xudc_alloc_ep()
3142 INIT_LIST_HEAD(&ep->queue); in tegra_xudc_alloc_ep()
3146 * EP0 is bi-directional, EP1 is unused. in tegra_xudc_alloc_ep()
3151 ep->transfer_ring = dma_pool_alloc(xudc->transfer_ring_pool, in tegra_xudc_alloc_ep()
3153 &ep->transfer_ring_phys); in tegra_xudc_alloc_ep()
3154 if (!ep->transfer_ring) in tegra_xudc_alloc_ep()
3155 return -ENOMEM; in tegra_xudc_alloc_ep()
3158 snprintf(ep->name, sizeof(ep->name), "ep%u%s", index / 2, in tegra_xudc_alloc_ep()
3160 ep->usb_ep.name = ep->name; in tegra_xudc_alloc_ep()
3161 usb_ep_set_maxpacket_limit(&ep->usb_ep, 1024); in tegra_xudc_alloc_ep()
3162 ep->usb_ep.max_streams = 16; in tegra_xudc_alloc_ep()
3163 ep->usb_ep.ops = &tegra_xudc_ep_ops; in tegra_xudc_alloc_ep()
3164 ep->usb_ep.caps.type_bulk = true; in tegra_xudc_alloc_ep()
3165 ep->usb_ep.caps.type_int = true; in tegra_xudc_alloc_ep()
3167 ep->usb_ep.caps.dir_in = true; in tegra_xudc_alloc_ep()
3169 ep->usb_ep.caps.dir_out = true; in tegra_xudc_alloc_ep()
3170 list_add_tail(&ep->usb_ep.ep_list, &xudc->gadget.ep_list); in tegra_xudc_alloc_ep()
3172 strscpy(ep->name, "ep0", 3); in tegra_xudc_alloc_ep()
3173 ep->usb_ep.name = ep->name; in tegra_xudc_alloc_ep()
3174 usb_ep_set_maxpacket_limit(&ep->usb_ep, 512); in tegra_xudc_alloc_ep()
3175 ep->usb_ep.ops = &tegra_xudc_ep0_ops; in tegra_xudc_alloc_ep()
3176 ep->usb_ep.caps.type_control = true; in tegra_xudc_alloc_ep()
3177 ep->usb_ep.caps.dir_in = true; in tegra_xudc_alloc_ep()
3178 ep->usb_ep.caps.dir_out = true; in tegra_xudc_alloc_ep()
3186 struct tegra_xudc_ep *ep = &xudc->ep[index]; in tegra_xudc_free_ep()
3190 * EP0 is bi-directional, EP1 is unused. in tegra_xudc_free_ep()
3195 dma_pool_free(xudc->transfer_ring_pool, ep->transfer_ring, in tegra_xudc_free_ep()
3196 ep->transfer_ring_phys); in tegra_xudc_free_ep()
3205 xudc->ep_context = in tegra_xudc_alloc_eps()
3206 dma_alloc_coherent(xudc->dev, XUDC_NR_EPS * in tegra_xudc_alloc_eps()
3207 sizeof(*xudc->ep_context), in tegra_xudc_alloc_eps()
3208 &xudc->ep_context_phys, GFP_KERNEL); in tegra_xudc_alloc_eps()
3209 if (!xudc->ep_context) in tegra_xudc_alloc_eps()
3210 return -ENOMEM; in tegra_xudc_alloc_eps()
3212 xudc->transfer_ring_pool = in tegra_xudc_alloc_eps()
3213 dmam_pool_create(dev_name(xudc->dev), xudc->dev, in tegra_xudc_alloc_eps()
3217 if (!xudc->transfer_ring_pool) { in tegra_xudc_alloc_eps()
3218 err = -ENOMEM; in tegra_xudc_alloc_eps()
3222 INIT_LIST_HEAD(&xudc->gadget.ep_list); in tegra_xudc_alloc_eps()
3223 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in tegra_xudc_alloc_eps()
3229 req = tegra_xudc_ep_alloc_request(&xudc->ep[0].usb_ep, GFP_KERNEL); in tegra_xudc_alloc_eps()
3231 err = -ENOMEM; in tegra_xudc_alloc_eps()
3234 xudc->ep0_req = to_xudc_req(req); in tegra_xudc_alloc_eps()
3239 for (; i > 0; i--) in tegra_xudc_alloc_eps()
3240 tegra_xudc_free_ep(xudc, i - 1); in tegra_xudc_alloc_eps()
3242 dma_free_coherent(xudc->dev, XUDC_NR_EPS * sizeof(*xudc->ep_context), in tegra_xudc_alloc_eps()
3243 xudc->ep_context, xudc->ep_context_phys); in tegra_xudc_alloc_eps()
3249 xudc_writel(xudc, lower_32_bits(xudc->ep_context_phys), ECPLO); in tegra_xudc_init_eps()
3250 xudc_writel(xudc, upper_32_bits(xudc->ep_context_phys), ECPHI); in tegra_xudc_init_eps()
3257 tegra_xudc_ep_free_request(&xudc->ep[0].usb_ep, in tegra_xudc_free_eps()
3258 &xudc->ep0_req->usb_req); in tegra_xudc_free_eps()
3260 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_free_eps()
3263 dma_free_coherent(xudc->dev, XUDC_NR_EPS * sizeof(*xudc->ep_context), in tegra_xudc_free_eps()
3264 xudc->ep_context, xudc->ep_context_phys); in tegra_xudc_free_eps()
3271 for (i = 0; i < ARRAY_SIZE(xudc->event_ring); i++) { in tegra_xudc_alloc_event_ring()
3272 xudc->event_ring[i] = in tegra_xudc_alloc_event_ring()
3273 dma_alloc_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_alloc_event_ring()
3274 sizeof(*xudc->event_ring[i]), in tegra_xudc_alloc_event_ring()
3275 &xudc->event_ring_phys[i], in tegra_xudc_alloc_event_ring()
3277 if (!xudc->event_ring[i]) in tegra_xudc_alloc_event_ring()
3284 for (; i > 0; i--) { in tegra_xudc_alloc_event_ring()
3285 dma_free_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_alloc_event_ring()
3286 sizeof(*xudc->event_ring[i - 1]), in tegra_xudc_alloc_event_ring()
3287 xudc->event_ring[i - 1], in tegra_xudc_alloc_event_ring()
3288 xudc->event_ring_phys[i - 1]); in tegra_xudc_alloc_event_ring()
3290 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()
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 dev_err_probe(xudc->dev, err, in tegra_xudc_phy_get()
3512 "failed to get usb2-%d PHY\n", i); in tegra_xudc_phy_get()
3514 } else if (xudc->utmi_phy[i]) { in tegra_xudc_phy_get()
3515 /* Get usb-phy, if utmi phy is available */ in tegra_xudc_phy_get()
3516 xudc->usbphy[i] = devm_usb_get_phy_by_node(xudc->dev, in tegra_xudc_phy_get()
3517 xudc->utmi_phy[i]->dev.of_node, in tegra_xudc_phy_get()
3518 &xudc->vbus_nb); in tegra_xudc_phy_get()
3519 if (IS_ERR(xudc->usbphy[i])) { in tegra_xudc_phy_get()
3520 err = PTR_ERR(xudc->usbphy[i]); in tegra_xudc_phy_get()
3521 dev_err_probe(xudc->dev, err, in tegra_xudc_phy_get()
3522 "failed to get usbphy-%d\n", i); in tegra_xudc_phy_get()
3525 } else if (!xudc->utmi_phy[i]) { in tegra_xudc_phy_get()
3531 usb3 = tegra_xusb_padctl_get_usb3_companion(xudc->padctl, i); in tegra_xudc_phy_get()
3535 snprintf(phy_name, sizeof(phy_name), "usb3-%d", usb3); in tegra_xudc_phy_get()
3536 xudc->usb3_phy[i] = devm_phy_optional_get(xudc->dev, phy_name); in tegra_xudc_phy_get()
3537 if (IS_ERR(xudc->usb3_phy[i])) { in tegra_xudc_phy_get()
3538 err = PTR_ERR(xudc->usb3_phy[i]); in tegra_xudc_phy_get()
3539 dev_err_probe(xudc->dev, err, in tegra_xudc_phy_get()
3540 "failed to get usb3-%d PHY\n", usb3); in tegra_xudc_phy_get()
3542 } else if (xudc->usb3_phy[i]) in tegra_xudc_phy_get()
3543 dev_dbg(xudc->dev, "usb3-%d PHY registered", usb3); in tegra_xudc_phy_get()
3549 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_get()
3550 xudc->usb3_phy[i] = NULL; in tegra_xudc_phy_get()
3551 xudc->utmi_phy[i] = NULL; in tegra_xudc_phy_get()
3552 xudc->usbphy[i] = NULL; in tegra_xudc_phy_get()
3562 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_exit()
3563 phy_exit(xudc->usb3_phy[i]); in tegra_xudc_phy_exit()
3564 phy_exit(xudc->utmi_phy[i]); in tegra_xudc_phy_exit()
3573 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_init()
3574 err = phy_init(xudc->utmi_phy[i]); in tegra_xudc_phy_init()
3576 dev_err(xudc->dev, "UTMI PHY #%u initialization failed: %d\n", i, err); in tegra_xudc_phy_init()
3580 err = phy_init(xudc->usb3_phy[i]); in tegra_xudc_phy_init()
3582 dev_err(xudc->dev, "USB3 PHY #%u initialization failed: %d\n", i, err); in tegra_xudc_phy_init()
3594 "hvdd-usb",
3595 "avddio-usb",
3659 .compatible = "nvidia,tegra210-xudc",
3663 .compatible = "nvidia,tegra186-xudc",
3667 .compatible = "nvidia,tegra194-xudc",
3676 if (xudc->genpd_dl_ss) in tegra_xudc_powerdomain_remove()
3677 device_link_del(xudc->genpd_dl_ss); in tegra_xudc_powerdomain_remove()
3678 if (xudc->genpd_dl_device) in tegra_xudc_powerdomain_remove()
3679 device_link_del(xudc->genpd_dl_device); in tegra_xudc_powerdomain_remove()
3680 if (xudc->genpd_dev_ss) in tegra_xudc_powerdomain_remove()
3681 dev_pm_domain_detach(xudc->genpd_dev_ss, true); in tegra_xudc_powerdomain_remove()
3682 if (xudc->genpd_dev_device) in tegra_xudc_powerdomain_remove()
3683 dev_pm_domain_detach(xudc->genpd_dev_device, true); in tegra_xudc_powerdomain_remove()
3688 struct device *dev = xudc->dev; in tegra_xudc_powerdomain_init()
3691 xudc->genpd_dev_device = dev_pm_domain_attach_by_name(dev, "dev"); in tegra_xudc_powerdomain_init()
3692 if (IS_ERR(xudc->genpd_dev_device)) { in tegra_xudc_powerdomain_init()
3693 err = PTR_ERR(xudc->genpd_dev_device); in tegra_xudc_powerdomain_init()
3698 xudc->genpd_dev_ss = dev_pm_domain_attach_by_name(dev, "ss"); in tegra_xudc_powerdomain_init()
3699 if (IS_ERR(xudc->genpd_dev_ss)) { in tegra_xudc_powerdomain_init()
3700 err = PTR_ERR(xudc->genpd_dev_ss); in tegra_xudc_powerdomain_init()
3705 xudc->genpd_dl_device = device_link_add(dev, xudc->genpd_dev_device, in tegra_xudc_powerdomain_init()
3708 if (!xudc->genpd_dl_device) { in tegra_xudc_powerdomain_init()
3709 dev_err(dev, "failed to add USB device link\n"); in tegra_xudc_powerdomain_init()
3710 return -ENODEV; in tegra_xudc_powerdomain_init()
3713 xudc->genpd_dl_ss = device_link_add(dev, xudc->genpd_dev_ss, in tegra_xudc_powerdomain_init()
3716 if (!xudc->genpd_dl_ss) { in tegra_xudc_powerdomain_init()
3718 return -ENODEV; in tegra_xudc_powerdomain_init()
3731 xudc = devm_kzalloc(&pdev->dev, sizeof(*xudc), GFP_KERNEL); in tegra_xudc_probe()
3733 return -ENOMEM; in tegra_xudc_probe()
3735 xudc->dev = &pdev->dev; in tegra_xudc_probe()
3738 xudc->soc = of_device_get_match_data(&pdev->dev); in tegra_xudc_probe()
3739 if (!xudc->soc) in tegra_xudc_probe()
3740 return -ENODEV; in tegra_xudc_probe()
3743 xudc->base = devm_ioremap_resource(&pdev->dev, res); in tegra_xudc_probe()
3744 if (IS_ERR(xudc->base)) in tegra_xudc_probe()
3745 return PTR_ERR(xudc->base); in tegra_xudc_probe()
3746 xudc->phys_base = res->start; in tegra_xudc_probe()
3748 xudc->fpci = devm_platform_ioremap_resource_byname(pdev, "fpci"); in tegra_xudc_probe()
3749 if (IS_ERR(xudc->fpci)) in tegra_xudc_probe()
3750 return PTR_ERR(xudc->fpci); in tegra_xudc_probe()
3752 if (xudc->soc->has_ipfs) { in tegra_xudc_probe()
3753 xudc->ipfs = devm_platform_ioremap_resource_byname(pdev, "ipfs"); in tegra_xudc_probe()
3754 if (IS_ERR(xudc->ipfs)) in tegra_xudc_probe()
3755 return PTR_ERR(xudc->ipfs); in tegra_xudc_probe()
3758 xudc->irq = platform_get_irq(pdev, 0); in tegra_xudc_probe()
3759 if (xudc->irq < 0) in tegra_xudc_probe()
3760 return xudc->irq; in tegra_xudc_probe()
3762 err = devm_request_irq(&pdev->dev, xudc->irq, tegra_xudc_irq, 0, in tegra_xudc_probe()
3763 dev_name(&pdev->dev), xudc); in tegra_xudc_probe()
3765 dev_err(xudc->dev, "failed to claim IRQ#%u: %d\n", xudc->irq, in tegra_xudc_probe()
3770 xudc->clks = devm_kcalloc(&pdev->dev, xudc->soc->num_clks, sizeof(*xudc->clks), in tegra_xudc_probe()
3772 if (!xudc->clks) in tegra_xudc_probe()
3773 return -ENOMEM; in tegra_xudc_probe()
3775 for (i = 0; i < xudc->soc->num_clks; i++) in tegra_xudc_probe()
3776 xudc->clks[i].id = xudc->soc->clock_names[i]; in tegra_xudc_probe()
3778 err = devm_clk_bulk_get(&pdev->dev, xudc->soc->num_clks, xudc->clks); in tegra_xudc_probe()
3780 dev_err_probe(xudc->dev, err, "failed to request clocks\n"); in tegra_xudc_probe()
3784 xudc->supplies = devm_kcalloc(&pdev->dev, xudc->soc->num_supplies, in tegra_xudc_probe()
3785 sizeof(*xudc->supplies), GFP_KERNEL); in tegra_xudc_probe()
3786 if (!xudc->supplies) in tegra_xudc_probe()
3787 return -ENOMEM; in tegra_xudc_probe()
3789 for (i = 0; i < xudc->soc->num_supplies; i++) in tegra_xudc_probe()
3790 xudc->supplies[i].supply = xudc->soc->supply_names[i]; in tegra_xudc_probe()
3792 err = devm_regulator_bulk_get(&pdev->dev, xudc->soc->num_supplies, in tegra_xudc_probe()
3793 xudc->supplies); in tegra_xudc_probe()
3795 dev_err_probe(xudc->dev, err, "failed to request regulators\n"); in tegra_xudc_probe()
3799 xudc->padctl = tegra_xusb_padctl_get(&pdev->dev); in tegra_xudc_probe()
3800 if (IS_ERR(xudc->padctl)) in tegra_xudc_probe()
3801 return PTR_ERR(xudc->padctl); in tegra_xudc_probe()
3803 err = regulator_bulk_enable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_probe()
3805 dev_err(xudc->dev, "failed to enable regulators: %d\n", err); in tegra_xudc_probe()
3829 spin_lock_init(&xudc->lock); in tegra_xudc_probe()
3831 init_completion(&xudc->disconnect_complete); in tegra_xudc_probe()
3833 INIT_WORK(&xudc->usb_role_sw_work, tegra_xudc_usb_role_sw_work); in tegra_xudc_probe()
3835 INIT_DELAYED_WORK(&xudc->plc_reset_work, tegra_xudc_plc_reset_work); in tegra_xudc_probe()
3837 INIT_DELAYED_WORK(&xudc->port_reset_war_work, in tegra_xudc_probe()
3840 pm_runtime_enable(&pdev->dev); in tegra_xudc_probe()
3842 xudc->gadget.ops = &tegra_xudc_gadget_ops; in tegra_xudc_probe()
3843 xudc->gadget.ep0 = &xudc->ep[0].usb_ep; in tegra_xudc_probe()
3844 xudc->gadget.name = "tegra-xudc"; in tegra_xudc_probe()
3845 xudc->gadget.max_speed = USB_SPEED_SUPER; in tegra_xudc_probe()
3847 err = usb_add_gadget_udc(&pdev->dev, &xudc->gadget); in tegra_xudc_probe()
3849 dev_err(&pdev->dev, "failed to add USB gadget: %d\n", err); in tegra_xudc_probe()
3856 pm_runtime_disable(&pdev->dev); in tegra_xudc_probe()
3865 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_probe()
3867 tegra_xusb_padctl_put(xudc->padctl); in tegra_xudc_probe()
3877 pm_runtime_get_sync(xudc->dev); in tegra_xudc_remove()
3879 cancel_delayed_work_sync(&xudc->plc_reset_work); in tegra_xudc_remove()
3880 cancel_work_sync(&xudc->usb_role_sw_work); in tegra_xudc_remove()
3882 usb_del_gadget_udc(&xudc->gadget); in tegra_xudc_remove()
3889 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_remove()
3891 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_remove()
3892 phy_power_off(xudc->utmi_phy[i]); in tegra_xudc_remove()
3893 phy_power_off(xudc->usb3_phy[i]); in tegra_xudc_remove()
3898 pm_runtime_disable(xudc->dev); in tegra_xudc_remove()
3899 pm_runtime_put(xudc->dev); in tegra_xudc_remove()
3901 tegra_xusb_padctl_put(xudc->padctl); in tegra_xudc_remove()
3910 dev_dbg(xudc->dev, "entering ELPG\n"); in tegra_xudc_powergate()
3912 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_powergate()
3914 xudc->powergated = true; in tegra_xudc_powergate()
3915 xudc->saved_regs.ctrl = xudc_readl(xudc, CTRL); in tegra_xudc_powergate()
3916 xudc->saved_regs.portpm = xudc_readl(xudc, PORTPM); in tegra_xudc_powergate()
3919 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_powergate()
3921 clk_bulk_disable_unprepare(xudc->soc->num_clks, xudc->clks); in tegra_xudc_powergate()
3923 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_powergate()
3925 dev_dbg(xudc->dev, "entering ELPG done\n"); in tegra_xudc_powergate()
3934 dev_dbg(xudc->dev, "exiting ELPG\n"); in tegra_xudc_unpowergate()
3936 err = regulator_bulk_enable(xudc->soc->num_supplies, in tegra_xudc_unpowergate()
3937 xudc->supplies); in tegra_xudc_unpowergate()
3941 err = clk_bulk_prepare_enable(xudc->soc->num_clks, xudc->clks); in tegra_xudc_unpowergate()
3953 xudc_writel(xudc, xudc->saved_regs.portpm, PORTPM); in tegra_xudc_unpowergate()
3954 xudc_writel(xudc, xudc->saved_regs.ctrl, CTRL); in tegra_xudc_unpowergate()
3956 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_unpowergate()
3957 xudc->powergated = false; in tegra_xudc_unpowergate()
3958 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_unpowergate()
3960 dev_dbg(xudc->dev, "exiting ELPG done\n"); in tegra_xudc_unpowergate()
3969 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_suspend()
3970 xudc->suspended = true; in tegra_xudc_suspend()
3971 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_suspend()
3973 flush_work(&xudc->usb_role_sw_work); in tegra_xudc_suspend()
3996 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_resume()
3997 xudc->suspended = false; in tegra_xudc_resume()
3998 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_resume()
4000 schedule_work(&xudc->usb_role_sw_work); in tegra_xudc_resume()
4031 .name = "tegra-xudc",