Lines Matching +full:tegra234 +full:- +full:timer

1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (c) 2013-2022, NVIDIA CORPORATION. All rights reserved.
12 #include <linux/dma-mapping.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); \
562 return readl(xudc->fpci + offset); in fpci_readl()
568 writel(val, xudc->fpci + offset); in fpci_writel()
573 return readl(xudc->ipfs + offset); in ipfs_readl()
579 writel(val, xudc->ipfs + offset); in ipfs_writel()
584 return readl(xudc->base + offset); in xudc_readl()
590 writel(val, xudc->base + offset); in xudc_writel()
598 return readl_poll_timeout_atomic(xudc->base + offset, regval, in xudc_readl_poll()
620 dev_dbg(xudc->dev, in dump_trb()
622 type, trb, trb->data_lo, trb->data_hi, trb->status, in dump_trb()
623 trb->control); in dump_trb()
702 pm_runtime_get_sync(xudc->dev); in tegra_xudc_device_mode_on()
704 tegra_phy_xusb_utmi_pad_power_on(xudc->curr_utmi_phy); 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 tegra_phy_xusb_utmi_pad_power_down(xudc->curr_utmi_phy); in tegra_xudc_device_mode_off()
762 err = phy_power_off(xudc->curr_utmi_phy); in tegra_xudc_device_mode_off()
764 dev_err(xudc->dev, "UTMI PHY power off failed: %d\n", err); in tegra_xudc_device_mode_off()
766 err = phy_power_off(xudc->curr_usb3_phy); in tegra_xudc_device_mode_off()
768 dev_err(xudc->dev, "USB3 PHY power off failed: %d\n", err); in tegra_xudc_device_mode_off()
770 pm_runtime_put(xudc->dev); in tegra_xudc_device_mode_off()
778 if (xudc->device_mode) in tegra_xudc_usb_role_sw_work()
789 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_get_phy_index()
790 if (xudc->usbphy[i] && usbphy == xudc->usbphy[i]) in tegra_xudc_get_phy_index()
794 dev_info(xudc->dev, "phy index could not be found for shared USB PHY"); in tegra_xudc_get_phy_index()
795 return -1; in tegra_xudc_get_phy_index()
803 if ((xudc->device_mode && usbphy->last_event == USB_EVENT_VBUS) || in tegra_xudc_update_data_role()
804 (!xudc->device_mode && usbphy->last_event != USB_EVENT_VBUS)) { in tegra_xudc_update_data_role()
805 dev_dbg(xudc->dev, "Same role(%d) received. Ignore", in tegra_xudc_update_data_role()
806 xudc->device_mode); in tegra_xudc_update_data_role()
810 xudc->device_mode = (usbphy->last_event == USB_EVENT_VBUS) ? true : in tegra_xudc_update_data_role()
814 dev_dbg(xudc->dev, "%s(): current phy index is %d\n", __func__, in tegra_xudc_update_data_role()
817 if (!xudc->suspended && phy_index != -1) { in tegra_xudc_update_data_role()
818 xudc->curr_utmi_phy = xudc->utmi_phy[phy_index]; in tegra_xudc_update_data_role()
819 xudc->curr_usb3_phy = xudc->usb3_phy[phy_index]; in tegra_xudc_update_data_role()
820 xudc->curr_usbphy = usbphy; in tegra_xudc_update_data_role()
821 schedule_work(&xudc->usb_role_sw_work); in tegra_xudc_update_data_role()
832 dev_dbg(xudc->dev, "%s(): event is %d\n", __func__, usbphy->last_event); in tegra_xudc_vbus_notify()
846 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_plc_reset_work()
848 if (xudc->wait_csc) { in tegra_xudc_plc_reset_work()
853 dev_info(xudc->dev, "PLS = Inactive. Toggle VBUS\n"); in tegra_xudc_plc_reset_work()
854 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_plc_reset_work()
856 phy_set_mode_ext(xudc->curr_utmi_phy, PHY_MODE_USB_OTG, in tegra_xudc_plc_reset_work()
859 xudc->wait_csc = false; in tegra_xudc_plc_reset_work()
863 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_plc_reset_work()
875 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_port_reset_war_work()
877 if (xudc->device_mode && xudc->wait_for_sec_prc) { in tegra_xudc_port_reset_war_work()
880 dev_dbg(xudc->dev, "pls = %x\n", pls); in tegra_xudc_port_reset_war_work()
883 dev_dbg(xudc->dev, "toggle vbus\n"); in tegra_xudc_port_reset_war_work()
886 xudc->curr_utmi_phy); in tegra_xudc_port_reset_war_work()
888 xudc->wait_for_sec_prc = 0; in tegra_xudc_port_reset_war_work()
892 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_port_reset_war_work()
900 index = trb - ep->transfer_ring; in trb_virt_to_phys()
905 return (ep->transfer_ring_phys + index * sizeof(*trb)); in trb_virt_to_phys()
914 index = (addr - ep->transfer_ring_phys) / sizeof(*trb); in trb_phys_to_virt()
919 trb = &ep->transfer_ring[index]; in trb_phys_to_virt()
1033 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_req_done()
1035 dev_dbg(xudc->dev, "completing request %p on EP %u with status %d\n", in tegra_xudc_req_done()
1036 req, ep->index, status); in tegra_xudc_req_done()
1038 if (likely(req->usb_req.status == -EINPROGRESS)) in tegra_xudc_req_done()
1039 req->usb_req.status = status; in tegra_xudc_req_done()
1041 list_del_init(&req->list); in tegra_xudc_req_done()
1043 if (usb_endpoint_xfer_control(ep->desc)) { in tegra_xudc_req_done()
1044 usb_gadget_unmap_request(&xudc->gadget, &req->usb_req, in tegra_xudc_req_done()
1045 (xudc->setup_state == in tegra_xudc_req_done()
1048 usb_gadget_unmap_request(&xudc->gadget, &req->usb_req, in tegra_xudc_req_done()
1049 usb_endpoint_dir_in(ep->desc)); in tegra_xudc_req_done()
1052 spin_unlock(&xudc->lock); in tegra_xudc_req_done()
1053 usb_gadget_giveback_request(&ep->usb_ep, &req->usb_req); in tegra_xudc_req_done()
1054 spin_lock(&xudc->lock); in tegra_xudc_req_done()
1061 while (!list_empty(&ep->queue)) { in tegra_xudc_ep_nuke()
1062 req = list_first_entry(&ep->queue, struct tegra_xudc_request, in tegra_xudc_ep_nuke()
1070 if (ep->ring_full) in ep_available_trbs()
1073 if (ep->deq_ptr > ep->enq_ptr) in ep_available_trbs()
1074 return ep->deq_ptr - ep->enq_ptr - 1; in ep_available_trbs()
1076 return XUDC_TRANSFER_RING_SIZE - (ep->enq_ptr - ep->deq_ptr) - 2; in ep_available_trbs()
1084 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_queue_one_trb()
1088 len = min_t(size_t, XUDC_TRB_MAX_BUFFER_SIZE, req->usb_req.length - in tegra_xudc_queue_one_trb()
1089 req->buf_queued); in tegra_xudc_queue_one_trb()
1091 buf_addr = req->usb_req.dma + req->buf_queued; in tegra_xudc_queue_one_trb()
1098 trb_write_td_size(trb, req->trbs_needed - req->trbs_queued - 1); in tegra_xudc_queue_one_trb()
1100 if (req->trbs_queued == req->trbs_needed - 1 || in tegra_xudc_queue_one_trb()
1101 (req->need_zlp && req->trbs_queued == req->trbs_needed - 2)) in tegra_xudc_queue_one_trb()
1108 if (usb_endpoint_dir_out(ep->desc) || in tegra_xudc_queue_one_trb()
1109 (usb_endpoint_xfer_control(ep->desc) && in tegra_xudc_queue_one_trb()
1110 (xudc->setup_state == DATA_STAGE_RECV))) in tegra_xudc_queue_one_trb()
1115 if (usb_endpoint_xfer_control(ep->desc)) { in tegra_xudc_queue_one_trb()
1116 if (xudc->setup_state == DATA_STAGE_XFER || in tegra_xudc_queue_one_trb()
1117 xudc->setup_state == DATA_STAGE_RECV) in tegra_xudc_queue_one_trb()
1122 if (xudc->setup_state == DATA_STAGE_XFER || in tegra_xudc_queue_one_trb()
1123 xudc->setup_state == STATUS_STAGE_XFER) in tegra_xudc_queue_one_trb()
1127 } else if (usb_endpoint_xfer_isoc(ep->desc)) { in tegra_xudc_queue_one_trb()
1132 } else if (usb_ss_max_streams(ep->comp_desc)) { in tegra_xudc_queue_one_trb()
1134 trb_write_stream_id(trb, req->usb_req.stream_id); in tegra_xudc_queue_one_trb()
1140 trb_write_cycle(trb, ep->pcs); in tegra_xudc_queue_one_trb()
1142 req->trbs_queued++; in tegra_xudc_queue_one_trb()
1143 req->buf_queued += len; in tegra_xudc_queue_one_trb()
1155 count = req->trbs_needed - req->trbs_queued; in tegra_xudc_queue_trbs()
1158 ep->ring_full = true; in tegra_xudc_queue_trbs()
1162 * To generate zero-length packet on USB bus, SW needs schedule a in tegra_xudc_queue_trbs()
1163 * standalone zero-length TD. According to HW's behavior, SW needs in tegra_xudc_queue_trbs()
1167 * - Data stage TD (IOC = 1, CH = 0) in tegra_xudc_queue_trbs()
1168 * - Ring doorbell and wait transfer event in tegra_xudc_queue_trbs()
1169 * - Data stage TD for ZLP (IOC = 1, CH = 0) in tegra_xudc_queue_trbs()
1170 * - Ring doorbell in tegra_xudc_queue_trbs()
1173 * - Normal transfer TD (IOC = 0, CH = 0) in tegra_xudc_queue_trbs()
1174 * - Normal transfer TD for ZLP (IOC = 1, CH = 0) in tegra_xudc_queue_trbs()
1175 * - Ring doorbell in tegra_xudc_queue_trbs()
1178 if (req->need_zlp && usb_endpoint_xfer_control(ep->desc) && count > 1) in tegra_xudc_queue_trbs()
1181 if (!req->first_trb) in tegra_xudc_queue_trbs()
1182 req->first_trb = &ep->transfer_ring[ep->enq_ptr]; in tegra_xudc_queue_trbs()
1185 struct tegra_xudc_trb *trb = &ep->transfer_ring[ep->enq_ptr]; in tegra_xudc_queue_trbs()
1188 if ((i == count - 1) || (wait_td && i == count - 2)) in tegra_xudc_queue_trbs()
1192 req->last_trb = trb; in tegra_xudc_queue_trbs()
1194 ep->enq_ptr++; in tegra_xudc_queue_trbs()
1195 if (ep->enq_ptr == XUDC_TRANSFER_RING_SIZE - 1) { in tegra_xudc_queue_trbs()
1196 trb = &ep->transfer_ring[ep->enq_ptr]; in tegra_xudc_queue_trbs()
1197 trb_write_cycle(trb, ep->pcs); in tegra_xudc_queue_trbs()
1198 ep->pcs = !ep->pcs; in tegra_xudc_queue_trbs()
1199 ep->enq_ptr = 0; in tegra_xudc_queue_trbs()
1211 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_ep_ring_doorbell()
1214 if (list_empty(&ep->queue)) in tegra_xudc_ep_ring_doorbell()
1217 val = DB_TARGET(ep->index); in tegra_xudc_ep_ring_doorbell()
1218 if (usb_endpoint_xfer_control(ep->desc)) { in tegra_xudc_ep_ring_doorbell()
1219 val |= DB_STREAMID(xudc->setup_seq_num); in tegra_xudc_ep_ring_doorbell()
1220 } else if (usb_ss_max_streams(ep->comp_desc) > 0) { in tegra_xudc_ep_ring_doorbell()
1224 if (ep->stream_rejected) in tegra_xudc_ep_ring_doorbell()
1227 req = list_first_entry(&ep->queue, struct tegra_xudc_request, in tegra_xudc_ep_ring_doorbell()
1229 val |= DB_STREAMID(req->usb_req.stream_id); in tegra_xudc_ep_ring_doorbell()
1232 dev_dbg(xudc->dev, "ring doorbell: %#x\n", val); in tegra_xudc_ep_ring_doorbell()
1241 list_for_each_entry(req, &ep->queue, list) { in tegra_xudc_ep_kick_queue()
1242 if (ep->ring_full) in tegra_xudc_ep_kick_queue()
1256 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_queue()
1259 if (usb_endpoint_xfer_control(ep->desc) && !list_empty(&ep->queue)) { in __tegra_xudc_ep_queue()
1260 dev_err(xudc->dev, "control EP has pending transfers\n"); in __tegra_xudc_ep_queue()
1261 return -EINVAL; in __tegra_xudc_ep_queue()
1264 if (usb_endpoint_xfer_control(ep->desc)) { in __tegra_xudc_ep_queue()
1265 err = usb_gadget_map_request(&xudc->gadget, &req->usb_req, in __tegra_xudc_ep_queue()
1266 (xudc->setup_state == in __tegra_xudc_ep_queue()
1269 err = usb_gadget_map_request(&xudc->gadget, &req->usb_req, in __tegra_xudc_ep_queue()
1270 usb_endpoint_dir_in(ep->desc)); in __tegra_xudc_ep_queue()
1274 dev_err(xudc->dev, "failed to map request: %d\n", err); in __tegra_xudc_ep_queue()
1278 req->first_trb = NULL; in __tegra_xudc_ep_queue()
1279 req->last_trb = NULL; in __tegra_xudc_ep_queue()
1280 req->buf_queued = 0; in __tegra_xudc_ep_queue()
1281 req->trbs_queued = 0; in __tegra_xudc_ep_queue()
1282 req->need_zlp = false; in __tegra_xudc_ep_queue()
1283 req->trbs_needed = DIV_ROUND_UP(req->usb_req.length, in __tegra_xudc_ep_queue()
1285 if (req->usb_req.length == 0) in __tegra_xudc_ep_queue()
1286 req->trbs_needed++; in __tegra_xudc_ep_queue()
1288 if (!usb_endpoint_xfer_isoc(ep->desc) && in __tegra_xudc_ep_queue()
1289 req->usb_req.zero && req->usb_req.length && in __tegra_xudc_ep_queue()
1290 ((req->usb_req.length % ep->usb_ep.maxpacket) == 0)) { in __tegra_xudc_ep_queue()
1291 req->trbs_needed++; in __tegra_xudc_ep_queue()
1292 req->need_zlp = true; in __tegra_xudc_ep_queue()
1295 req->usb_req.status = -EINPROGRESS; in __tegra_xudc_ep_queue()
1296 req->usb_req.actual = 0; in __tegra_xudc_ep_queue()
1298 list_add_tail(&req->list, &ep->queue); in __tegra_xudc_ep_queue()
1316 return -EINVAL; in tegra_xudc_ep_queue()
1320 xudc = ep->xudc; in tegra_xudc_ep_queue()
1322 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_queue()
1323 if (xudc->powergated || !ep->desc) { in tegra_xudc_ep_queue()
1324 ret = -ESHUTDOWN; in tegra_xudc_ep_queue()
1330 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_queue()
1338 struct tegra_xudc_trb *trb = req->first_trb; in squeeze_transfer_ring()
1344 * and must correct trb cycle bit to the last un-enqueued state. in squeeze_transfer_ring()
1346 while (trb != &ep->transfer_ring[ep->enq_ptr]) { in squeeze_transfer_ring()
1353 trb = ep->transfer_ring; in squeeze_transfer_ring()
1356 /* Requests will be re-queued at the start of the cancelled request. */ in squeeze_transfer_ring()
1357 ep->enq_ptr = req->first_trb - ep->transfer_ring; in squeeze_transfer_ring()
1362 ep->pcs = pcs_enq; in squeeze_transfer_ring()
1363 ep->ring_full = false; in squeeze_transfer_ring()
1364 list_for_each_entry_continue(req, &ep->queue, list) { in squeeze_transfer_ring()
1365 req->usb_req.status = -EINPROGRESS; in squeeze_transfer_ring()
1366 req->usb_req.actual = 0; in squeeze_transfer_ring()
1368 req->first_trb = NULL; in squeeze_transfer_ring()
1369 req->last_trb = NULL; in squeeze_transfer_ring()
1370 req->buf_queued = 0; in squeeze_transfer_ring()
1371 req->trbs_queued = 0; in squeeze_transfer_ring()
1383 dev_dbg(ep->xudc->dev, "%s: request %p -> %p; trb %p\n", __func__, in trb_in_request()
1384 req->first_trb, req->last_trb, trb); in trb_in_request()
1386 if (trb >= req->first_trb && (trb <= req->last_trb || in trb_in_request()
1387 req->last_trb < req->first_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()
1405 struct tegra_xudc_trb *enq_trb = &ep->transfer_ring[ep->enq_ptr]; in trb_before_request()
1407 dev_dbg(ep->xudc->dev, "%s: request %p -> %p; enq ptr: %p; trb %p\n", in trb_before_request()
1408 __func__, req->first_trb, req->last_trb, enq_trb, trb); in trb_before_request()
1410 if (trb < req->first_trb && (enq_trb <= trb || in trb_before_request()
1411 req->first_trb < enq_trb)) in trb_before_request()
1414 if (trb > req->first_trb && req->first_trb < enq_trb && enq_trb <= trb) in trb_before_request()
1424 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_dequeue()
1431 list_for_each_entry(iter, &ep->queue, list) { in __tegra_xudc_ep_dequeue()
1439 return -EINVAL; in __tegra_xudc_ep_dequeue()
1442 if (!req->trbs_queued) { in __tegra_xudc_ep_dequeue()
1443 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1448 if (ep_ctx_read_state(ep->context) == EP_STATE_RUNNING) { in __tegra_xudc_ep_dequeue()
1449 ep_pause(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1450 ep_wait_for_inactive(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1453 deq_trb = trb_phys_to_virt(ep, ep_ctx_read_deq_ptr(ep->context)); in __tegra_xudc_ep_dequeue()
1455 busy = (trb_read_cycle(deq_trb) == ep_ctx_read_dcs(ep->context)); in __tegra_xudc_ep_dequeue()
1466 req->usb_req.actual = ep_ctx_read_edtla(ep->context); in __tegra_xudc_ep_dequeue()
1467 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1471 if (req->usb_req.actual > 0) { in __tegra_xudc_ep_dequeue()
1476 ep_ctx_write_edtla(ep->context, 0); in __tegra_xudc_ep_dequeue()
1477 ep_ctx_write_partial_td(ep->context, 0); in __tegra_xudc_ep_dequeue()
1478 ep_ctx_write_data_offset(ep->context, 0); in __tegra_xudc_ep_dequeue()
1481 &ep->transfer_ring[ep->enq_ptr]); in __tegra_xudc_ep_dequeue()
1483 if (dma_mapping_error(xudc->dev, deq_ptr)) { in __tegra_xudc_ep_dequeue()
1484 ret = -EINVAL; in __tegra_xudc_ep_dequeue()
1486 ep_ctx_write_deq_ptr(ep->context, deq_ptr); in __tegra_xudc_ep_dequeue()
1487 ep_ctx_write_dcs(ep->context, ep->pcs); in __tegra_xudc_ep_dequeue()
1488 ep_reload(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1495 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1502 tegra_xudc_req_done(ep, req, -ECONNRESET); in __tegra_xudc_ep_dequeue()
1503 ret = -EINVAL; in __tegra_xudc_ep_dequeue()
1507 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_dequeue()
1525 return -EINVAL; in tegra_xudc_ep_dequeue()
1529 xudc = ep->xudc; in tegra_xudc_ep_dequeue()
1531 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_dequeue()
1533 if (xudc->powergated || !ep->desc) { in tegra_xudc_ep_dequeue()
1534 ret = -ESHUTDOWN; in tegra_xudc_ep_dequeue()
1540 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_dequeue()
1547 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_set_halt()
1549 if (!ep->desc) in __tegra_xudc_ep_set_halt()
1550 return -EINVAL; in __tegra_xudc_ep_set_halt()
1552 if (usb_endpoint_xfer_isoc(ep->desc)) { in __tegra_xudc_ep_set_halt()
1553 dev_err(xudc->dev, "can't halt isochronous EP\n"); in __tegra_xudc_ep_set_halt()
1554 return -ENOTSUPP; in __tegra_xudc_ep_set_halt()
1557 if (!!(xudc_readl(xudc, EP_HALT) & BIT(ep->index)) == halt) { in __tegra_xudc_ep_set_halt()
1558 dev_dbg(xudc->dev, "EP %u already %s\n", ep->index, in __tegra_xudc_ep_set_halt()
1564 ep_halt(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1566 ep_ctx_write_state(ep->context, EP_STATE_DISABLED); in __tegra_xudc_ep_set_halt()
1568 ep_reload(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1570 ep_ctx_write_state(ep->context, EP_STATE_RUNNING); in __tegra_xudc_ep_set_halt()
1571 ep_ctx_write_rsvd(ep->context, 0); in __tegra_xudc_ep_set_halt()
1572 ep_ctx_write_partial_td(ep->context, 0); in __tegra_xudc_ep_set_halt()
1573 ep_ctx_write_splitxstate(ep->context, 0); in __tegra_xudc_ep_set_halt()
1574 ep_ctx_write_seq_num(ep->context, 0); in __tegra_xudc_ep_set_halt()
1576 ep_reload(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1577 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1578 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_set_halt()
1594 return -EINVAL; in tegra_xudc_ep_set_halt()
1597 xudc = ep->xudc; in tegra_xudc_ep_set_halt()
1599 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_set_halt()
1600 if (xudc->powergated) { in tegra_xudc_ep_set_halt()
1601 ret = -ESHUTDOWN; in tegra_xudc_ep_set_halt()
1605 if (value && usb_endpoint_dir_in(ep->desc) && in tegra_xudc_ep_set_halt()
1606 !list_empty(&ep->queue)) { in tegra_xudc_ep_set_halt()
1607 dev_err(xudc->dev, "can't halt EP with requests pending\n"); in tegra_xudc_ep_set_halt()
1608 ret = -EAGAIN; in tegra_xudc_ep_set_halt()
1614 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_set_halt()
1621 const struct usb_endpoint_descriptor *desc = ep->desc; in tegra_xudc_ep_context_setup()
1622 const struct usb_ss_ep_comp_descriptor *comp_desc = ep->comp_desc; in tegra_xudc_ep_context_setup()
1623 struct tegra_xudc *xudc = ep->xudc; in tegra_xudc_ep_context_setup()
1628 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep_context_setup()
1630 maxburst = comp_desc->bMaxBurst; in tegra_xudc_ep_context_setup()
1633 esit = le16_to_cpu(comp_desc->wBytesPerInterval); in tegra_xudc_ep_context_setup()
1634 } else if ((xudc->gadget.speed < USB_SPEED_SUPER) && in tegra_xudc_ep_context_setup()
1637 if (xudc->gadget.speed == USB_SPEED_HIGH) { in tegra_xudc_ep_context_setup()
1638 maxburst = usb_endpoint_maxp_mult(desc) - 1; in tegra_xudc_ep_context_setup()
1640 dev_warn(xudc->dev, in tegra_xudc_ep_context_setup()
1648 memset(ep->context, 0, sizeof(*ep->context)); in tegra_xudc_ep_context_setup()
1650 ep_ctx_write_state(ep->context, EP_STATE_RUNNING); in tegra_xudc_ep_context_setup()
1651 ep_ctx_write_interval(ep->context, desc->bInterval); in tegra_xudc_ep_context_setup()
1652 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep_context_setup()
1654 ep_ctx_write_mult(ep->context, in tegra_xudc_ep_context_setup()
1655 comp_desc->bmAttributes & 0x3); in tegra_xudc_ep_context_setup()
1659 ep_ctx_write_max_pstreams(ep->context, in tegra_xudc_ep_context_setup()
1660 comp_desc->bmAttributes & in tegra_xudc_ep_context_setup()
1662 ep_ctx_write_lsa(ep->context, 1); in tegra_xudc_ep_context_setup()
1671 ep_ctx_write_type(ep->context, val); in tegra_xudc_ep_context_setup()
1672 ep_ctx_write_cerr(ep->context, 0x3); in tegra_xudc_ep_context_setup()
1673 ep_ctx_write_max_packet_size(ep->context, maxpacket); in tegra_xudc_ep_context_setup()
1674 ep_ctx_write_max_burst_size(ep->context, maxburst); in tegra_xudc_ep_context_setup()
1676 ep_ctx_write_deq_ptr(ep->context, ep->transfer_ring_phys); in tegra_xudc_ep_context_setup()
1677 ep_ctx_write_dcs(ep->context, ep->pcs); in tegra_xudc_ep_context_setup()
1694 ep_ctx_write_avg_trb_len(ep->context, val); in tegra_xudc_ep_context_setup()
1695 ep_ctx_write_max_esit_payload(ep->context, esit); in tegra_xudc_ep_context_setup()
1697 ep_ctx_write_cerrcnt(ep->context, 0x3); in tegra_xudc_ep_context_setup()
1703 trb_write_data_ptr(trb, ep->transfer_ring_phys); in setup_link_trb()
1710 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_disable()
1712 if (ep_ctx_read_state(ep->context) == EP_STATE_DISABLED) { in __tegra_xudc_ep_disable()
1713 dev_err(xudc->dev, "endpoint %u already disabled\n", in __tegra_xudc_ep_disable()
1714 ep->index); in __tegra_xudc_ep_disable()
1715 return -EINVAL; in __tegra_xudc_ep_disable()
1718 ep_ctx_write_state(ep->context, EP_STATE_DISABLED); in __tegra_xudc_ep_disable()
1720 ep_reload(xudc, ep->index); in __tegra_xudc_ep_disable()
1722 tegra_xudc_ep_nuke(ep, -ESHUTDOWN); in __tegra_xudc_ep_disable()
1724 xudc->nr_enabled_eps--; in __tegra_xudc_ep_disable()
1725 if (usb_endpoint_xfer_isoc(ep->desc)) in __tegra_xudc_ep_disable()
1726 xudc->nr_isoch_eps--; in __tegra_xudc_ep_disable()
1728 ep->desc = NULL; in __tegra_xudc_ep_disable()
1729 ep->comp_desc = NULL; in __tegra_xudc_ep_disable()
1731 memset(ep->context, 0, sizeof(*ep->context)); in __tegra_xudc_ep_disable()
1733 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_disable()
1734 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_disable()
1735 if (xudc_readl(xudc, EP_STOPPED) & BIT(ep->index)) in __tegra_xudc_ep_disable()
1736 xudc_writel(xudc, BIT(ep->index), EP_STOPPED); in __tegra_xudc_ep_disable()
1739 * If this is the last endpoint disabled in a de-configure request, in __tegra_xudc_ep_disable()
1742 if ((xudc->device_state == USB_STATE_CONFIGURED) && in __tegra_xudc_ep_disable()
1743 (xudc->nr_enabled_eps == 1)) { in __tegra_xudc_ep_disable()
1746 xudc->device_state = USB_STATE_ADDRESS; in __tegra_xudc_ep_disable()
1747 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in __tegra_xudc_ep_disable()
1758 dev_info(xudc->dev, "ep %u disabled\n", ep->index); in __tegra_xudc_ep_disable()
1771 return -EINVAL; in tegra_xudc_ep_disable()
1774 xudc = ep->xudc; in tegra_xudc_ep_disable()
1776 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_disable()
1777 if (xudc->powergated) { in tegra_xudc_ep_disable()
1778 ret = -ESHUTDOWN; in tegra_xudc_ep_disable()
1784 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_disable()
1792 struct tegra_xudc *xudc = ep->xudc; in __tegra_xudc_ep_enable()
1796 if (xudc->gadget.speed == USB_SPEED_SUPER && in __tegra_xudc_ep_enable()
1797 !usb_endpoint_xfer_control(desc) && !ep->usb_ep.comp_desc) in __tegra_xudc_ep_enable()
1798 return -EINVAL; in __tegra_xudc_ep_enable()
1801 if (ep_ctx_read_state(ep->context) != EP_STATE_DISABLED) in __tegra_xudc_ep_enable()
1804 ep->desc = desc; in __tegra_xudc_ep_enable()
1805 ep->comp_desc = ep->usb_ep.comp_desc; in __tegra_xudc_ep_enable()
1808 if (xudc->nr_isoch_eps > XUDC_MAX_ISOCH_EPS) { in __tegra_xudc_ep_enable()
1809 dev_err(xudc->dev, "too many isochronous endpoints\n"); in __tegra_xudc_ep_enable()
1810 return -EBUSY; in __tegra_xudc_ep_enable()
1812 xudc->nr_isoch_eps++; in __tegra_xudc_ep_enable()
1815 memset(ep->transfer_ring, 0, XUDC_TRANSFER_RING_SIZE * in __tegra_xudc_ep_enable()
1816 sizeof(*ep->transfer_ring)); in __tegra_xudc_ep_enable()
1817 setup_link_trb(ep, &ep->transfer_ring[XUDC_TRANSFER_RING_SIZE - 1]); in __tegra_xudc_ep_enable()
1819 ep->enq_ptr = 0; in __tegra_xudc_ep_enable()
1820 ep->deq_ptr = 0; in __tegra_xudc_ep_enable()
1821 ep->pcs = true; in __tegra_xudc_ep_enable()
1822 ep->ring_full = false; in __tegra_xudc_ep_enable()
1823 xudc->nr_enabled_eps++; in __tegra_xudc_ep_enable()
1828 * No need to reload and un-halt EP0. This will be done automatically in __tegra_xudc_ep_enable()
1835 * Transition to configured state once the first non-control in __tegra_xudc_ep_enable()
1838 if (xudc->device_state == USB_STATE_ADDRESS) { in __tegra_xudc_ep_enable()
1843 xudc->device_state = USB_STATE_CONFIGURED; in __tegra_xudc_ep_enable()
1844 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in __tegra_xudc_ep_enable()
1852 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in __tegra_xudc_ep_enable()
1853 if (xudc->ep[i].desc && in __tegra_xudc_ep_enable()
1854 usb_endpoint_xfer_bulk(xudc->ep[i].desc)) in __tegra_xudc_ep_enable()
1859 ep_reload(xudc, ep->index); in __tegra_xudc_ep_enable()
1860 ep_unpause(xudc, ep->index); in __tegra_xudc_ep_enable()
1861 ep_unhalt(xudc, ep->index); in __tegra_xudc_ep_enable()
1864 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in __tegra_xudc_ep_enable()
1865 if (xudc->ep[i].desc && in __tegra_xudc_ep_enable()
1866 usb_endpoint_xfer_bulk(xudc->ep[i].desc)) in __tegra_xudc_ep_enable()
1872 dev_info(xudc->dev, "EP %u (type: %s, dir: %s) enabled\n", ep->index, in __tegra_xudc_ep_enable()
1873 usb_ep_type_string(usb_endpoint_type(ep->desc)), in __tegra_xudc_ep_enable()
1874 usb_endpoint_dir_in(ep->desc) ? "in" : "out"); in __tegra_xudc_ep_enable()
1887 if (!usb_ep || !desc || (desc->bDescriptorType != USB_DT_ENDPOINT)) in tegra_xudc_ep_enable()
1888 return -EINVAL; in tegra_xudc_ep_enable()
1891 xudc = ep->xudc; in tegra_xudc_ep_enable()
1893 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_ep_enable()
1894 if (xudc->powergated) { in tegra_xudc_ep_enable()
1895 ret = -ESHUTDOWN; in tegra_xudc_ep_enable()
1901 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_ep_enable()
1915 INIT_LIST_HEAD(&req->list); in tegra_xudc_ep_alloc_request()
1917 return &req->usb_req; in tegra_xudc_ep_alloc_request()
1941 return -EBUSY; in tegra_xudc_ep0_enable()
1946 return -EBUSY; in tegra_xudc_ep0_disable()
1965 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_get_frame()
1966 if (xudc->powergated) { in tegra_xudc_gadget_get_frame()
1967 ret = -ESHUTDOWN; in tegra_xudc_gadget_get_frame()
1974 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_get_frame()
1994 if (xudc->device_state == USB_STATE_SUSPENDED) { in tegra_xudc_resume_device_state()
1995 xudc->device_state = xudc->resume_state; in tegra_xudc_resume_device_state()
1996 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_resume_device_state()
1997 xudc->resume_state = 0; in tegra_xudc_resume_device_state()
2005 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_resume_device_state()
2006 tegra_xudc_ep_ring_doorbell(&xudc->ep[i]); in tegra_xudc_resume_device_state()
2016 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_wakeup()
2018 if (xudc->powergated) { in tegra_xudc_gadget_wakeup()
2019 ret = -ESHUTDOWN; in tegra_xudc_gadget_wakeup()
2023 dev_dbg(xudc->dev, "%s: PORTPM=%#x, speed=%x\n", __func__, in tegra_xudc_gadget_wakeup()
2024 val, gadget->speed); in tegra_xudc_gadget_wakeup()
2026 if (((xudc->gadget.speed <= USB_SPEED_HIGH) && in tegra_xudc_gadget_wakeup()
2028 ((xudc->gadget.speed == USB_SPEED_SUPER) && in tegra_xudc_gadget_wakeup()
2033 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_gadget_wakeup()
2042 dev_dbg(xudc->dev, "%s: ret value is %d", __func__, ret); in tegra_xudc_gadget_wakeup()
2043 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_wakeup()
2054 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_pullup()
2056 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_pullup()
2058 if (is_on != xudc->pullup) { in tegra_xudc_gadget_pullup()
2067 xudc->pullup = is_on; in tegra_xudc_gadget_pullup()
2068 dev_dbg(xudc->dev, "%s: pullup:%d", __func__, is_on); in tegra_xudc_gadget_pullup()
2070 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_pullup()
2072 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_pullup()
2087 return -EINVAL; in tegra_xudc_gadget_start()
2089 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_start()
2091 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_start()
2093 if (xudc->driver) { in tegra_xudc_gadget_start()
2094 ret = -EBUSY; in tegra_xudc_gadget_start()
2098 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_gadget_start()
2099 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_gadget_start()
2100 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_gadget_start()
2102 ret = __tegra_xudc_ep_enable(&xudc->ep[0], &tegra_xudc_ep0_desc); in tegra_xudc_gadget_start()
2114 if (xudc->pullup) { in tegra_xudc_gadget_start()
2120 for (i = 0; i < xudc->soc->num_phys; i++) in tegra_xudc_gadget_start()
2121 if (xudc->usbphy[i]) in tegra_xudc_gadget_start()
2122 otg_set_peripheral(xudc->usbphy[i]->otg, gadget); in tegra_xudc_gadget_start()
2124 xudc->driver = driver; in tegra_xudc_gadget_start()
2126 dev_dbg(xudc->dev, "%s: ret value is %d", __func__, ret); in tegra_xudc_gadget_start()
2127 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_start()
2129 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_start()
2141 pm_runtime_get_sync(xudc->dev); in tegra_xudc_gadget_stop()
2143 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_gadget_stop()
2145 for (i = 0; i < xudc->soc->num_phys; i++) in tegra_xudc_gadget_stop()
2146 if (xudc->usbphy[i]) in tegra_xudc_gadget_stop()
2147 otg_set_peripheral(xudc->usbphy[i]->otg, NULL); in tegra_xudc_gadget_stop()
2153 __tegra_xudc_ep_disable(&xudc->ep[0]); in tegra_xudc_gadget_stop()
2155 xudc->driver = NULL; in tegra_xudc_gadget_stop()
2156 dev_dbg(xudc->dev, "Gadget stopped"); in tegra_xudc_gadget_stop()
2158 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_gadget_stop()
2160 pm_runtime_put(xudc->dev); in tegra_xudc_gadget_stop()
2170 dev_dbg(xudc->dev, "%s: %u mA\n", __func__, m_a); in tegra_xudc_gadget_vbus_draw()
2172 if (xudc->curr_usbphy && xudc->curr_usbphy->chg_type == SDP_TYPE) in tegra_xudc_gadget_vbus_draw()
2173 return usb_phy_set_power(xudc->curr_usbphy, m_a); in tegra_xudc_gadget_vbus_draw()
2182 dev_dbg(xudc->dev, "%s: %d\n", __func__, is_on); in tegra_xudc_set_selfpowered()
2183 xudc->selfpowered = !!is_on; in tegra_xudc_set_selfpowered()
2206 xudc->ep0_req->usb_req.buf = NULL; in tegra_xudc_ep0_queue_status()
2207 xudc->ep0_req->usb_req.dma = 0; in tegra_xudc_ep0_queue_status()
2208 xudc->ep0_req->usb_req.length = 0; in tegra_xudc_ep0_queue_status()
2209 xudc->ep0_req->usb_req.complete = cmpl; in tegra_xudc_ep0_queue_status()
2210 xudc->ep0_req->usb_req.context = xudc; in tegra_xudc_ep0_queue_status()
2212 return __tegra_xudc_ep_queue(&xudc->ep[0], xudc->ep0_req); in tegra_xudc_ep0_queue_status()
2219 xudc->ep0_req->usb_req.buf = buf; in tegra_xudc_ep0_queue_data()
2220 xudc->ep0_req->usb_req.length = len; in tegra_xudc_ep0_queue_data()
2221 xudc->ep0_req->usb_req.complete = cmpl; in tegra_xudc_ep0_queue_data()
2222 xudc->ep0_req->usb_req.context = xudc; in tegra_xudc_ep0_queue_data()
2224 return __tegra_xudc_ep_queue(&xudc->ep[0], xudc->ep0_req); in tegra_xudc_ep0_queue_data()
2229 switch (xudc->setup_state) { in tegra_xudc_ep0_req_done()
2231 xudc->setup_state = STATUS_STAGE_RECV; in tegra_xudc_ep0_req_done()
2235 xudc->setup_state = STATUS_STAGE_XFER; in tegra_xudc_ep0_req_done()
2239 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_ep0_req_done()
2249 spin_unlock(&xudc->lock); in tegra_xudc_ep0_delegate_req()
2250 ret = xudc->driver->setup(&xudc->gadget, ctrl); in tegra_xudc_ep0_delegate_req()
2251 spin_lock(&xudc->lock); in tegra_xudc_ep0_delegate_req()
2258 struct tegra_xudc *xudc = req->context; in set_feature_complete()
2260 if (xudc->test_mode_pattern) { in set_feature_complete()
2261 xudc_writel(xudc, xudc->test_mode_pattern, PORT_TM); in set_feature_complete()
2262 xudc->test_mode_pattern = 0; in set_feature_complete()
2269 bool set = (ctrl->bRequest == USB_REQ_SET_FEATURE); in tegra_xudc_ep0_set_feature()
2270 u32 feature = le16_to_cpu(ctrl->wValue); in tegra_xudc_ep0_set_feature()
2271 u32 index = le16_to_cpu(ctrl->wIndex); in tegra_xudc_ep0_set_feature()
2275 if (le16_to_cpu(ctrl->wLength) != 0) in tegra_xudc_ep0_set_feature()
2276 return -EINVAL; in tegra_xudc_ep0_set_feature()
2278 switch (ctrl->bRequestType & USB_RECIP_MASK) { in tegra_xudc_ep0_set_feature()
2282 if ((xudc->gadget.speed == USB_SPEED_SUPER) || in tegra_xudc_ep0_set_feature()
2283 (xudc->device_state == USB_STATE_DEFAULT)) in tegra_xudc_ep0_set_feature()
2284 return -EINVAL; in tegra_xudc_ep0_set_feature()
2296 if ((xudc->device_state != USB_STATE_CONFIGURED) || in tegra_xudc_ep0_set_feature()
2297 (xudc->gadget.speed != USB_SPEED_SUPER)) in tegra_xudc_ep0_set_feature()
2298 return -EINVAL; in tegra_xudc_ep0_set_feature()
2302 xudc->soc->u1_enable) { in tegra_xudc_ep0_set_feature()
2310 xudc->soc->u2_enable) { in tegra_xudc_ep0_set_feature()
2320 if (xudc->gadget.speed != USB_SPEED_HIGH) in tegra_xudc_ep0_set_feature()
2321 return -EINVAL; in tegra_xudc_ep0_set_feature()
2324 return -EINVAL; in tegra_xudc_ep0_set_feature()
2326 xudc->test_mode_pattern = index >> 8; in tegra_xudc_ep0_set_feature()
2329 return -EINVAL; in tegra_xudc_ep0_set_feature()
2334 if (xudc->device_state != USB_STATE_CONFIGURED) in tegra_xudc_ep0_set_feature()
2335 return -EINVAL; in tegra_xudc_ep0_set_feature()
2352 return -EINVAL; in tegra_xudc_ep0_set_feature()
2360 if ((xudc->device_state == USB_STATE_DEFAULT) || in tegra_xudc_ep0_set_feature()
2361 ((xudc->device_state == USB_STATE_ADDRESS) && in tegra_xudc_ep0_set_feature()
2363 return -EINVAL; in tegra_xudc_ep0_set_feature()
2365 ret = __tegra_xudc_ep_set_halt(&xudc->ep[ep], set); in tegra_xudc_ep0_set_feature()
2370 return -EINVAL; in tegra_xudc_ep0_set_feature()
2380 u32 val, ep, index = le16_to_cpu(ctrl->wIndex); in tegra_xudc_ep0_get_status()
2383 if (!(ctrl->bRequestType & USB_DIR_IN)) in tegra_xudc_ep0_get_status()
2384 return -EINVAL; in tegra_xudc_ep0_get_status()
2386 if ((le16_to_cpu(ctrl->wValue) != 0) || in tegra_xudc_ep0_get_status()
2387 (le16_to_cpu(ctrl->wLength) != 2)) in tegra_xudc_ep0_get_status()
2388 return -EINVAL; in tegra_xudc_ep0_get_status()
2390 switch (ctrl->bRequestType & USB_RECIP_MASK) { in tegra_xudc_ep0_get_status()
2394 if (xudc->selfpowered) in tegra_xudc_ep0_get_status()
2397 if ((xudc->gadget.speed < USB_SPEED_SUPER) && in tegra_xudc_ep0_get_status()
2401 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep0_get_status()
2409 if (xudc->gadget.speed == USB_SPEED_SUPER) { in tegra_xudc_ep0_get_status()
2419 ep_ctx = &xudc->ep_context[ep]; in tegra_xudc_ep0_get_status()
2421 if ((xudc->device_state != USB_STATE_CONFIGURED) && in tegra_xudc_ep0_get_status()
2422 ((xudc->device_state != USB_STATE_ADDRESS) || (ep != 0))) in tegra_xudc_ep0_get_status()
2423 return -EINVAL; in tegra_xudc_ep0_get_status()
2426 return -EINVAL; in tegra_xudc_ep0_get_status()
2432 return -EINVAL; in tegra_xudc_ep0_get_status()
2435 xudc->status_buf = cpu_to_le16(status); in tegra_xudc_ep0_get_status()
2436 return tegra_xudc_ep0_queue_data(xudc, &xudc->status_buf, in tegra_xudc_ep0_get_status()
2437 sizeof(xudc->status_buf), in tegra_xudc_ep0_get_status()
2449 if (ctrl->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE | in tegra_xudc_ep0_set_sel()
2451 return -EINVAL; in tegra_xudc_ep0_set_sel()
2453 if (xudc->device_state == USB_STATE_DEFAULT) in tegra_xudc_ep0_set_sel()
2454 return -EINVAL; in tegra_xudc_ep0_set_sel()
2456 if ((le16_to_cpu(ctrl->wIndex) != 0) || in tegra_xudc_ep0_set_sel()
2457 (le16_to_cpu(ctrl->wValue) != 0) || in tegra_xudc_ep0_set_sel()
2458 (le16_to_cpu(ctrl->wLength) != 6)) in tegra_xudc_ep0_set_sel()
2459 return -EINVAL; in tegra_xudc_ep0_set_sel()
2461 return tegra_xudc_ep0_queue_data(xudc, &xudc->sel_timing, in tegra_xudc_ep0_set_sel()
2462 sizeof(xudc->sel_timing), in tegra_xudc_ep0_set_sel()
2474 u32 delay = le16_to_cpu(ctrl->wValue); in tegra_xudc_ep0_set_isoch_delay()
2476 if (ctrl->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE | in tegra_xudc_ep0_set_isoch_delay()
2478 return -EINVAL; in tegra_xudc_ep0_set_isoch_delay()
2480 if ((delay > 65535) || (le16_to_cpu(ctrl->wIndex) != 0) || in tegra_xudc_ep0_set_isoch_delay()
2481 (le16_to_cpu(ctrl->wLength) != 0)) in tegra_xudc_ep0_set_isoch_delay()
2482 return -EINVAL; in tegra_xudc_ep0_set_isoch_delay()
2484 xudc->isoch_delay = delay; in tegra_xudc_ep0_set_isoch_delay()
2491 struct tegra_xudc *xudc = req->context; in set_address_complete()
2493 if ((xudc->device_state == USB_STATE_DEFAULT) && in set_address_complete()
2494 (xudc->dev_addr != 0)) { in set_address_complete()
2495 xudc->device_state = USB_STATE_ADDRESS; in set_address_complete()
2496 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in set_address_complete()
2497 } else if ((xudc->device_state == USB_STATE_ADDRESS) && in set_address_complete()
2498 (xudc->dev_addr == 0)) { in set_address_complete()
2499 xudc->device_state = USB_STATE_DEFAULT; in set_address_complete()
2500 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in set_address_complete()
2507 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_ep0_set_address()
2508 u32 val, addr = le16_to_cpu(ctrl->wValue); in tegra_xudc_ep0_set_address()
2510 if (ctrl->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE | in tegra_xudc_ep0_set_address()
2512 return -EINVAL; in tegra_xudc_ep0_set_address()
2514 if ((addr > 127) || (le16_to_cpu(ctrl->wIndex) != 0) || in tegra_xudc_ep0_set_address()
2515 (le16_to_cpu(ctrl->wLength) != 0)) in tegra_xudc_ep0_set_address()
2516 return -EINVAL; in tegra_xudc_ep0_set_address()
2518 if (xudc->device_state == USB_STATE_CONFIGURED) in tegra_xudc_ep0_set_address()
2519 return -EINVAL; in tegra_xudc_ep0_set_address()
2521 dev_dbg(xudc->dev, "set address: %u\n", addr); in tegra_xudc_ep0_set_address()
2523 xudc->dev_addr = addr; in tegra_xudc_ep0_set_address()
2529 ep_ctx_write_devaddr(ep0->context, addr); in tegra_xudc_ep0_set_address()
2539 switch (ctrl->bRequest) { in tegra_xudc_ep0_standard_req()
2541 dev_dbg(xudc->dev, "USB_REQ_GET_STATUS\n"); in tegra_xudc_ep0_standard_req()
2545 dev_dbg(xudc->dev, "USB_REQ_SET_ADDRESS\n"); in tegra_xudc_ep0_standard_req()
2549 dev_dbg(xudc->dev, "USB_REQ_SET_SEL\n"); in tegra_xudc_ep0_standard_req()
2553 dev_dbg(xudc->dev, "USB_REQ_SET_ISOCH_DELAY\n"); in tegra_xudc_ep0_standard_req()
2558 dev_dbg(xudc->dev, "USB_REQ_CLEAR/SET_FEATURE\n"); in tegra_xudc_ep0_standard_req()
2562 dev_dbg(xudc->dev, "USB_REQ_SET_CONFIGURATION\n"); in tegra_xudc_ep0_standard_req()
2583 xudc->setup_seq_num = seq_num; in tegra_xudc_handle_ep0_setup_packet()
2592 if (xudc->soc->invalid_seq_num && in tegra_xudc_handle_ep0_setup_packet()
2594 dev_warn(xudc->dev, "invalid sequence number detected\n"); in tegra_xudc_handle_ep0_setup_packet()
2599 if (ctrl->wLength) in tegra_xudc_handle_ep0_setup_packet()
2600 xudc->setup_state = (ctrl->bRequestType & USB_DIR_IN) ? in tegra_xudc_handle_ep0_setup_packet()
2603 xudc->setup_state = STATUS_STAGE_XFER; in tegra_xudc_handle_ep0_setup_packet()
2605 if ((ctrl->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) in tegra_xudc_handle_ep0_setup_packet()
2611 dev_warn(xudc->dev, "setup request failed: %d\n", ret); in tegra_xudc_handle_ep0_setup_packet()
2612 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_handle_ep0_setup_packet()
2623 if (xudc->setup_state != WAIT_FOR_SETUP) { in tegra_xudc_handle_ep0_event()
2630 memcpy(&xudc->setup_packet.ctrl_req, ctrl, sizeof(*ctrl)); in tegra_xudc_handle_ep0_event()
2631 xudc->setup_packet.seq_num = seq_num; in tegra_xudc_handle_ep0_event()
2632 xudc->queued_setup_packet = true; in tegra_xudc_handle_ep0_event()
2643 list_for_each_entry(req, &ep->queue, list) { in trb_to_request()
2644 if (!req->trbs_queued) in trb_to_request()
2673 (req->trbs_needed == req->trbs_queued)))) { in tegra_xudc_handle_transfer_completion()
2674 struct tegra_xudc_trb *last = req->last_trb; in tegra_xudc_handle_transfer_completion()
2678 req->usb_req.actual = req->usb_req.length - residual; in tegra_xudc_handle_transfer_completion()
2680 dev_dbg(xudc->dev, "bytes transferred %u / %u\n", in tegra_xudc_handle_transfer_completion()
2681 req->usb_req.actual, req->usb_req.length); in tegra_xudc_handle_transfer_completion()
2685 if (ep->desc && usb_endpoint_xfer_control(ep->desc)) in tegra_xudc_handle_transfer_completion()
2693 ep->deq_ptr = (last - ep->transfer_ring) + 1; in tegra_xudc_handle_transfer_completion()
2694 if (ep->deq_ptr == XUDC_TRANSFER_RING_SIZE - 1) in tegra_xudc_handle_transfer_completion()
2695 ep->deq_ptr = 0; in tegra_xudc_handle_transfer_completion()
2698 dev_warn(xudc->dev, "transfer event on dequeued request\n"); in tegra_xudc_handle_transfer_completion()
2701 if (ep->desc) in tegra_xudc_handle_transfer_completion()
2709 struct tegra_xudc_ep *ep = &xudc->ep[ep_index]; in tegra_xudc_handle_transfer_event()
2713 if (ep_ctx_read_state(ep->context) == EP_STATE_DISABLED) { in tegra_xudc_handle_transfer_event()
2714 dev_warn(xudc->dev, "transfer event on disabled EP %u\n", in tegra_xudc_handle_transfer_event()
2723 ep->deq_ptr = (trb - ep->transfer_ring) + 1; in tegra_xudc_handle_transfer_event()
2725 if (ep->deq_ptr == XUDC_TRANSFER_RING_SIZE - 1) in tegra_xudc_handle_transfer_event()
2726 ep->deq_ptr = 0; in tegra_xudc_handle_transfer_event()
2727 ep->ring_full = false; in tegra_xudc_handle_transfer_event()
2736 dev_info(xudc->dev, "stream rejected on EP %u\n", ep_index); in tegra_xudc_handle_transfer_event()
2738 ep->stream_rejected = true; in tegra_xudc_handle_transfer_event()
2741 dev_info(xudc->dev, "prime pipe received on EP %u\n", ep_index); in tegra_xudc_handle_transfer_event()
2743 if (ep->stream_rejected) { in tegra_xudc_handle_transfer_event()
2744 ep->stream_rejected = false; in tegra_xudc_handle_transfer_event()
2748 * un-stop it. in tegra_xudc_handle_transfer_event()
2760 ep->enq_ptr = ep->deq_ptr; in tegra_xudc_handle_transfer_event()
2761 tegra_xudc_ep_nuke(ep, -EIO); in tegra_xudc_handle_transfer_event()
2771 dev_err(xudc->dev, "completion error %#x on EP %u\n", in tegra_xudc_handle_transfer_event()
2777 dev_info(xudc->dev, "sequence number error\n"); in tegra_xudc_handle_transfer_event()
2783 tegra_xudc_ep_nuke(ep, -EINVAL); in tegra_xudc_handle_transfer_event()
2784 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_handle_transfer_event()
2785 if (!xudc->queued_setup_packet) in tegra_xudc_handle_transfer_event()
2789 &xudc->setup_packet.ctrl_req, in tegra_xudc_handle_transfer_event()
2790 xudc->setup_packet.seq_num); in tegra_xudc_handle_transfer_event()
2791 xudc->queued_setup_packet = false; in tegra_xudc_handle_transfer_event()
2794 dev_dbg(xudc->dev, "stop completion code on EP %u\n", in tegra_xudc_handle_transfer_event()
2798 tegra_xudc_ep_nuke(ep, -ECONNREFUSED); in tegra_xudc_handle_transfer_event()
2801 dev_dbg(xudc->dev, "completion event %#x on EP %u\n", in tegra_xudc_handle_transfer_event()
2809 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_reset()
2813 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_reset()
2814 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_reset()
2815 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_reset()
2819 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_reset()
2820 tegra_xudc_ep_nuke(&xudc->ep[i], -ESHUTDOWN); in tegra_xudc_reset()
2826 ep0->deq_ptr = ep0->enq_ptr; in tegra_xudc_reset()
2827 ep0->ring_full = false; in tegra_xudc_reset()
2829 xudc->setup_seq_num = 0; in tegra_xudc_reset()
2830 xudc->queued_setup_packet = false; in tegra_xudc_reset()
2832 ep_ctx_write_rsvd(ep0->context, 0); in tegra_xudc_reset()
2833 ep_ctx_write_partial_td(ep0->context, 0); in tegra_xudc_reset()
2834 ep_ctx_write_splitxstate(ep0->context, 0); in tegra_xudc_reset()
2835 ep_ctx_write_seq_num(ep0->context, 0); in tegra_xudc_reset()
2837 deq_ptr = trb_virt_to_phys(ep0, &ep0->transfer_ring[ep0->deq_ptr]); in tegra_xudc_reset()
2839 if (!dma_mapping_error(xudc->dev, deq_ptr)) { in tegra_xudc_reset()
2840 ep_ctx_write_deq_ptr(ep0->context, deq_ptr); in tegra_xudc_reset()
2841 ep_ctx_write_dcs(ep0->context, ep0->pcs); in tegra_xudc_reset()
2851 struct tegra_xudc_ep *ep0 = &xudc->ep[0]; in tegra_xudc_port_connect()
2858 xudc->gadget.speed = USB_SPEED_LOW; in tegra_xudc_port_connect()
2861 xudc->gadget.speed = USB_SPEED_FULL; in tegra_xudc_port_connect()
2864 xudc->gadget.speed = USB_SPEED_HIGH; in tegra_xudc_port_connect()
2867 xudc->gadget.speed = USB_SPEED_SUPER; in tegra_xudc_port_connect()
2870 xudc->gadget.speed = USB_SPEED_UNKNOWN; in tegra_xudc_port_connect()
2874 xudc->device_state = USB_STATE_DEFAULT; in tegra_xudc_port_connect()
2875 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_connect()
2877 xudc->setup_state = WAIT_FOR_SETUP; in tegra_xudc_port_connect()
2879 if (xudc->gadget.speed == USB_SPEED_SUPER) in tegra_xudc_port_connect()
2884 ep_ctx_write_max_packet_size(ep0->context, maxpacket); in tegra_xudc_port_connect()
2886 usb_ep_set_maxpacket_limit(&ep0->usb_ep, maxpacket); in tegra_xudc_port_connect()
2888 if (!xudc->soc->u1_enable) { in tegra_xudc_port_connect()
2894 if (!xudc->soc->u2_enable) { in tegra_xudc_port_connect()
2900 if (xudc->gadget.speed <= USB_SPEED_HIGH) { in tegra_xudc_port_connect()
2903 if (xudc->soc->lpm_enable) in tegra_xudc_port_connect()
2919 if (xudc->driver && xudc->driver->disconnect) { in tegra_xudc_port_disconnect()
2920 spin_unlock(&xudc->lock); in tegra_xudc_port_disconnect()
2921 xudc->driver->disconnect(&xudc->gadget); in tegra_xudc_port_disconnect()
2922 spin_lock(&xudc->lock); in tegra_xudc_port_disconnect()
2925 xudc->device_state = USB_STATE_NOTATTACHED; in tegra_xudc_port_disconnect()
2926 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_disconnect()
2928 complete(&xudc->disconnect_complete); in tegra_xudc_port_disconnect()
2935 if (xudc->driver) { in tegra_xudc_port_reset()
2936 spin_unlock(&xudc->lock); in tegra_xudc_port_reset()
2937 usb_gadget_udc_reset(&xudc->gadget, xudc->driver); in tegra_xudc_port_reset()
2938 spin_lock(&xudc->lock); in tegra_xudc_port_reset()
2946 dev_dbg(xudc->dev, "port suspend\n"); in tegra_xudc_port_suspend()
2948 xudc->resume_state = xudc->device_state; in tegra_xudc_port_suspend()
2949 xudc->device_state = USB_STATE_SUSPENDED; in tegra_xudc_port_suspend()
2950 usb_gadget_set_state(&xudc->gadget, xudc->device_state); in tegra_xudc_port_suspend()
2952 if (xudc->driver->suspend) { in tegra_xudc_port_suspend()
2953 spin_unlock(&xudc->lock); in tegra_xudc_port_suspend()
2954 xudc->driver->suspend(&xudc->gadget); in tegra_xudc_port_suspend()
2955 spin_lock(&xudc->lock); in tegra_xudc_port_suspend()
2961 dev_dbg(xudc->dev, "port resume\n"); in tegra_xudc_port_resume()
2965 if (xudc->driver->resume) { in tegra_xudc_port_resume()
2966 spin_unlock(&xudc->lock); in tegra_xudc_port_resume()
2967 xudc->driver->resume(&xudc->gadget); in tegra_xudc_port_resume()
2968 spin_lock(&xudc->lock); in tegra_xudc_port_resume()
2989 dev_dbg(xudc->dev, "STCHG_REQ, PORTHALT = %#x\n", porthalt); in __tegra_xudc_handle_port_status()
2996 dev_dbg(xudc->dev, "PRC, PR, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
2999 if (xudc->soc->port_reset_quirk) { in __tegra_xudc_handle_port_status()
3000 schedule_delayed_work(&xudc->port_reset_war_work, in __tegra_xudc_handle_port_status()
3002 xudc->wait_for_sec_prc = 1; in __tegra_xudc_handle_port_status()
3007 dev_dbg(xudc->dev, "PRC, Not PR, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3010 cancel_delayed_work(&xudc->port_reset_war_work); in __tegra_xudc_handle_port_status()
3011 xudc->wait_for_sec_prc = 0; in __tegra_xudc_handle_port_status()
3016 dev_dbg(xudc->dev, "WRC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3024 dev_dbg(xudc->dev, "CSC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3032 if (xudc->wait_csc) { in __tegra_xudc_handle_port_status()
3033 cancel_delayed_work(&xudc->plc_reset_work); in __tegra_xudc_handle_port_status()
3034 xudc->wait_csc = false; in __tegra_xudc_handle_port_status()
3042 dev_dbg(xudc->dev, "PLC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3049 if (xudc->gadget.speed < USB_SPEED_SUPER) in __tegra_xudc_handle_port_status()
3053 if (xudc->gadget.speed == USB_SPEED_SUPER) in __tegra_xudc_handle_port_status()
3057 schedule_delayed_work(&xudc->plc_reset_work, in __tegra_xudc_handle_port_status()
3059 xudc->wait_csc = true; in __tegra_xudc_handle_port_status()
3067 dev_warn(xudc->dev, "CEC, PORTSC = %#x\n", portsc); in __tegra_xudc_handle_port_status()
3071 dev_dbg(xudc->dev, "PORTSC = %#x\n", xudc_readl(xudc, PORTSC)); in __tegra_xudc_handle_port_status()
3099 dev_info(xudc->dev, "Unrecognized TRB type = %#x\n", type); in tegra_xudc_handle_event()
3110 event = xudc->event_ring[xudc->event_ring_index] + in tegra_xudc_process_event_ring()
3111 xudc->event_ring_deq_ptr; in tegra_xudc_process_event_ring()
3113 if (trb_read_cycle(event) != xudc->ccs) in tegra_xudc_process_event_ring()
3118 xudc->event_ring_deq_ptr++; in tegra_xudc_process_event_ring()
3119 if (xudc->event_ring_deq_ptr == XUDC_EVENT_RING_SIZE) { in tegra_xudc_process_event_ring()
3120 xudc->event_ring_deq_ptr = 0; in tegra_xudc_process_event_ring()
3121 xudc->event_ring_index++; in tegra_xudc_process_event_ring()
3124 if (xudc->event_ring_index == XUDC_NR_EVENT_RINGS) { in tegra_xudc_process_event_ring()
3125 xudc->event_ring_index = 0; in tegra_xudc_process_event_ring()
3126 xudc->ccs = !xudc->ccs; in tegra_xudc_process_event_ring()
3130 erdp = xudc->event_ring_phys[xudc->event_ring_index] + in tegra_xudc_process_event_ring()
3131 xudc->event_ring_deq_ptr * sizeof(*event); in tegra_xudc_process_event_ring()
3148 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_irq()
3150 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_irq()
3157 struct tegra_xudc_ep *ep = &xudc->ep[index]; in tegra_xudc_alloc_ep()
3159 ep->xudc = xudc; in tegra_xudc_alloc_ep()
3160 ep->index = index; in tegra_xudc_alloc_ep()
3161 ep->context = &xudc->ep_context[index]; in tegra_xudc_alloc_ep()
3162 INIT_LIST_HEAD(&ep->queue); in tegra_xudc_alloc_ep()
3166 * EP0 is bi-directional, EP1 is unused. in tegra_xudc_alloc_ep()
3171 ep->transfer_ring = dma_pool_alloc(xudc->transfer_ring_pool, in tegra_xudc_alloc_ep()
3173 &ep->transfer_ring_phys); in tegra_xudc_alloc_ep()
3174 if (!ep->transfer_ring) in tegra_xudc_alloc_ep()
3175 return -ENOMEM; in tegra_xudc_alloc_ep()
3178 snprintf(ep->name, sizeof(ep->name), "ep%u%s", index / 2, in tegra_xudc_alloc_ep()
3180 ep->usb_ep.name = ep->name; in tegra_xudc_alloc_ep()
3181 usb_ep_set_maxpacket_limit(&ep->usb_ep, 1024); in tegra_xudc_alloc_ep()
3182 ep->usb_ep.max_streams = 16; in tegra_xudc_alloc_ep()
3183 ep->usb_ep.ops = &tegra_xudc_ep_ops; in tegra_xudc_alloc_ep()
3184 ep->usb_ep.caps.type_bulk = true; in tegra_xudc_alloc_ep()
3185 ep->usb_ep.caps.type_int = true; in tegra_xudc_alloc_ep()
3187 ep->usb_ep.caps.dir_in = true; in tegra_xudc_alloc_ep()
3189 ep->usb_ep.caps.dir_out = true; in tegra_xudc_alloc_ep()
3190 list_add_tail(&ep->usb_ep.ep_list, &xudc->gadget.ep_list); in tegra_xudc_alloc_ep()
3192 strscpy(ep->name, "ep0", 3); in tegra_xudc_alloc_ep()
3193 ep->usb_ep.name = ep->name; in tegra_xudc_alloc_ep()
3194 usb_ep_set_maxpacket_limit(&ep->usb_ep, 512); in tegra_xudc_alloc_ep()
3195 ep->usb_ep.ops = &tegra_xudc_ep0_ops; in tegra_xudc_alloc_ep()
3196 ep->usb_ep.caps.type_control = true; in tegra_xudc_alloc_ep()
3197 ep->usb_ep.caps.dir_in = true; in tegra_xudc_alloc_ep()
3198 ep->usb_ep.caps.dir_out = true; in tegra_xudc_alloc_ep()
3206 struct tegra_xudc_ep *ep = &xudc->ep[index]; in tegra_xudc_free_ep()
3210 * EP0 is bi-directional, EP1 is unused. in tegra_xudc_free_ep()
3215 dma_pool_free(xudc->transfer_ring_pool, ep->transfer_ring, in tegra_xudc_free_ep()
3216 ep->transfer_ring_phys); in tegra_xudc_free_ep()
3225 xudc->ep_context = in tegra_xudc_alloc_eps()
3226 dma_alloc_coherent(xudc->dev, XUDC_NR_EPS * in tegra_xudc_alloc_eps()
3227 sizeof(*xudc->ep_context), in tegra_xudc_alloc_eps()
3228 &xudc->ep_context_phys, GFP_KERNEL); in tegra_xudc_alloc_eps()
3229 if (!xudc->ep_context) in tegra_xudc_alloc_eps()
3230 return -ENOMEM; in tegra_xudc_alloc_eps()
3232 xudc->transfer_ring_pool = in tegra_xudc_alloc_eps()
3233 dmam_pool_create(dev_name(xudc->dev), xudc->dev, in tegra_xudc_alloc_eps()
3237 if (!xudc->transfer_ring_pool) { in tegra_xudc_alloc_eps()
3238 err = -ENOMEM; in tegra_xudc_alloc_eps()
3242 INIT_LIST_HEAD(&xudc->gadget.ep_list); in tegra_xudc_alloc_eps()
3243 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) { in tegra_xudc_alloc_eps()
3249 req = tegra_xudc_ep_alloc_request(&xudc->ep[0].usb_ep, GFP_KERNEL); in tegra_xudc_alloc_eps()
3251 err = -ENOMEM; in tegra_xudc_alloc_eps()
3254 xudc->ep0_req = to_xudc_req(req); in tegra_xudc_alloc_eps()
3259 for (; i > 0; i--) in tegra_xudc_alloc_eps()
3260 tegra_xudc_free_ep(xudc, i - 1); in tegra_xudc_alloc_eps()
3262 dma_free_coherent(xudc->dev, XUDC_NR_EPS * sizeof(*xudc->ep_context), in tegra_xudc_alloc_eps()
3263 xudc->ep_context, xudc->ep_context_phys); in tegra_xudc_alloc_eps()
3269 xudc_writel(xudc, lower_32_bits(xudc->ep_context_phys), ECPLO); in tegra_xudc_init_eps()
3270 xudc_writel(xudc, upper_32_bits(xudc->ep_context_phys), ECPHI); in tegra_xudc_init_eps()
3277 tegra_xudc_ep_free_request(&xudc->ep[0].usb_ep, in tegra_xudc_free_eps()
3278 &xudc->ep0_req->usb_req); in tegra_xudc_free_eps()
3280 for (i = 0; i < ARRAY_SIZE(xudc->ep); i++) in tegra_xudc_free_eps()
3283 dma_free_coherent(xudc->dev, XUDC_NR_EPS * sizeof(*xudc->ep_context), in tegra_xudc_free_eps()
3284 xudc->ep_context, xudc->ep_context_phys); in tegra_xudc_free_eps()
3291 for (i = 0; i < ARRAY_SIZE(xudc->event_ring); i++) { in tegra_xudc_alloc_event_ring()
3292 xudc->event_ring[i] = in tegra_xudc_alloc_event_ring()
3293 dma_alloc_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_alloc_event_ring()
3294 sizeof(*xudc->event_ring[i]), in tegra_xudc_alloc_event_ring()
3295 &xudc->event_ring_phys[i], in tegra_xudc_alloc_event_ring()
3297 if (!xudc->event_ring[i]) in tegra_xudc_alloc_event_ring()
3304 for (; i > 0; i--) { in tegra_xudc_alloc_event_ring()
3305 dma_free_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_alloc_event_ring()
3306 sizeof(*xudc->event_ring[i - 1]), in tegra_xudc_alloc_event_ring()
3307 xudc->event_ring[i - 1], in tegra_xudc_alloc_event_ring()
3308 xudc->event_ring_phys[i - 1]); in tegra_xudc_alloc_event_ring()
3310 return -ENOMEM; in tegra_xudc_alloc_event_ring()
3318 for (i = 0; i < ARRAY_SIZE(xudc->event_ring); i++) { in tegra_xudc_init_event_ring()
3319 memset(xudc->event_ring[i], 0, XUDC_EVENT_RING_SIZE * in tegra_xudc_init_event_ring()
3320 sizeof(*xudc->event_ring[i])); in tegra_xudc_init_event_ring()
3327 xudc_writel(xudc, lower_32_bits(xudc->event_ring_phys[i]), in tegra_xudc_init_event_ring()
3329 xudc_writel(xudc, upper_32_bits(xudc->event_ring_phys[i]), in tegra_xudc_init_event_ring()
3333 val = lower_32_bits(xudc->event_ring_phys[0]); in tegra_xudc_init_event_ring()
3338 val = upper_32_bits(xudc->event_ring_phys[0]); in tegra_xudc_init_event_ring()
3342 xudc->ccs = true; in tegra_xudc_init_event_ring()
3343 xudc->event_ring_index = 0; in tegra_xudc_init_event_ring()
3344 xudc->event_ring_deq_ptr = 0; in tegra_xudc_init_event_ring()
3351 for (i = 0; i < ARRAY_SIZE(xudc->event_ring); i++) { in tegra_xudc_free_event_ring()
3352 dma_free_coherent(xudc->dev, XUDC_EVENT_RING_SIZE * in tegra_xudc_free_event_ring()
3353 sizeof(*xudc->event_ring[i]), in tegra_xudc_free_event_ring()
3354 xudc->event_ring[i], in tegra_xudc_free_event_ring()
3355 xudc->event_ring_phys[i]); in tegra_xudc_free_event_ring()
3363 if (xudc->soc->has_ipfs) { in tegra_xudc_fpci_ipfs_init()
3378 val |= xudc->phys_base & (XUSB_DEV_CFG_4_BASE_ADDR_MASK); in tegra_xudc_fpci_ipfs_init()
3381 fpci_writel(xudc, upper_32_bits(xudc->phys_base), XUSB_DEV_CFG_5); in tegra_xudc_fpci_ipfs_init()
3385 if (xudc->soc->has_ipfs) { in tegra_xudc_fpci_ipfs_init()
3397 if (xudc->soc->has_ipfs) { in tegra_xudc_device_params_init()
3409 if (xudc->soc->port_speed_quirk) in tegra_xudc_device_params_init()
3412 /* Set a reasonable U3 exit timer value. */ in tegra_xudc_device_params_init()
3430 if (xudc->soc->lpm_enable) { in tegra_xudc_device_params_init()
3501 xudc->utmi_phy = devm_kcalloc(xudc->dev, xudc->soc->num_phys, in tegra_xudc_phy_get()
3502 sizeof(*xudc->utmi_phy), GFP_KERNEL); in tegra_xudc_phy_get()
3503 if (!xudc->utmi_phy) in tegra_xudc_phy_get()
3504 return -ENOMEM; in tegra_xudc_phy_get()
3506 xudc->usb3_phy = devm_kcalloc(xudc->dev, xudc->soc->num_phys, in tegra_xudc_phy_get()
3507 sizeof(*xudc->usb3_phy), GFP_KERNEL); in tegra_xudc_phy_get()
3508 if (!xudc->usb3_phy) in tegra_xudc_phy_get()
3509 return -ENOMEM; in tegra_xudc_phy_get()
3511 xudc->usbphy = devm_kcalloc(xudc->dev, xudc->soc->num_phys, in tegra_xudc_phy_get()
3512 sizeof(*xudc->usbphy), GFP_KERNEL); in tegra_xudc_phy_get()
3513 if (!xudc->usbphy) in tegra_xudc_phy_get()
3514 return -ENOMEM; in tegra_xudc_phy_get()
3516 xudc->vbus_nb.notifier_call = tegra_xudc_vbus_notify; in tegra_xudc_phy_get()
3518 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_get()
3519 char phy_name[] = "usb.-."; in tegra_xudc_phy_get()
3522 snprintf(phy_name, sizeof(phy_name), "usb2-%d", i); in tegra_xudc_phy_get()
3523 xudc->utmi_phy[i] = devm_phy_optional_get(xudc->dev, phy_name); in tegra_xudc_phy_get()
3524 if (IS_ERR(xudc->utmi_phy[i])) { in tegra_xudc_phy_get()
3525 err = PTR_ERR(xudc->utmi_phy[i]); in tegra_xudc_phy_get()
3526 dev_err_probe(xudc->dev, err, in tegra_xudc_phy_get()
3527 "failed to get PHY for phy-name usb2-%d\n", i); in tegra_xudc_phy_get()
3529 } else if (xudc->utmi_phy[i]) { in tegra_xudc_phy_get()
3530 /* Get usb-phy, if utmi phy is available */ in tegra_xudc_phy_get()
3531 xudc->usbphy[i] = devm_usb_get_phy_by_node(xudc->dev, in tegra_xudc_phy_get()
3532 xudc->utmi_phy[i]->dev.of_node, in tegra_xudc_phy_get()
3534 if (IS_ERR(xudc->usbphy[i])) { in tegra_xudc_phy_get()
3535 err = PTR_ERR(xudc->usbphy[i]); in tegra_xudc_phy_get()
3536 dev_err_probe(xudc->dev, err, in tegra_xudc_phy_get()
3537 "failed to get usbphy-%d\n", i); in tegra_xudc_phy_get()
3540 } else if (!xudc->utmi_phy[i]) { in tegra_xudc_phy_get()
3546 usb3_companion_port = tegra_xusb_padctl_get_usb3_companion(xudc->padctl, i); in tegra_xudc_phy_get()
3550 for (j = 0; j < xudc->soc->num_phys; j++) { in tegra_xudc_phy_get()
3551 snprintf(phy_name, sizeof(phy_name), "usb3-%d", j); in tegra_xudc_phy_get()
3552 xudc->usb3_phy[i] = devm_phy_optional_get(xudc->dev, phy_name); in tegra_xudc_phy_get()
3553 if (IS_ERR(xudc->usb3_phy[i])) { in tegra_xudc_phy_get()
3554 err = PTR_ERR(xudc->usb3_phy[i]); in tegra_xudc_phy_get()
3555 dev_err_probe(xudc->dev, err, in tegra_xudc_phy_get()
3556 "failed to get PHY for phy-name usb3-%d\n", j); in tegra_xudc_phy_get()
3558 } else if (xudc->usb3_phy[i]) { in tegra_xudc_phy_get()
3560 tegra_xusb_padctl_get_port_number(xudc->utmi_phy[i]); in tegra_xudc_phy_get()
3562 tegra_xusb_padctl_get_port_number(xudc->usb3_phy[i]); in tegra_xudc_phy_get()
3564 dev_dbg(xudc->dev, "USB2 port %d is paired with USB3 port %d for device mode port %d\n", in tegra_xudc_phy_get()
3575 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_get()
3576 xudc->usb3_phy[i] = NULL; in tegra_xudc_phy_get()
3577 xudc->utmi_phy[i] = NULL; in tegra_xudc_phy_get()
3578 xudc->usbphy[i] = NULL; in tegra_xudc_phy_get()
3588 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_exit()
3589 phy_exit(xudc->usb3_phy[i]); in tegra_xudc_phy_exit()
3590 phy_exit(xudc->utmi_phy[i]); in tegra_xudc_phy_exit()
3599 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_phy_init()
3600 err = phy_init(xudc->utmi_phy[i]); in tegra_xudc_phy_init()
3602 dev_err(xudc->dev, "UTMI PHY #%u initialization failed: %d\n", i, err); in tegra_xudc_phy_init()
3606 err = phy_init(xudc->usb3_phy[i]); in tegra_xudc_phy_init()
3608 dev_err(xudc->dev, "USB3 PHY #%u initialization failed: %d\n", i, err); in tegra_xudc_phy_init()
3620 "hvdd-usb",
3621 "avddio-usb",
3698 .compatible = "nvidia,tegra210-xudc",
3702 .compatible = "nvidia,tegra186-xudc",
3706 .compatible = "nvidia,tegra194-xudc",
3710 .compatible = "nvidia,tegra234-xudc",
3719 if (xudc->genpd_dl_ss) in tegra_xudc_powerdomain_remove()
3720 device_link_del(xudc->genpd_dl_ss); in tegra_xudc_powerdomain_remove()
3721 if (xudc->genpd_dl_device) in tegra_xudc_powerdomain_remove()
3722 device_link_del(xudc->genpd_dl_device); in tegra_xudc_powerdomain_remove()
3723 if (xudc->genpd_dev_ss) in tegra_xudc_powerdomain_remove()
3724 dev_pm_domain_detach(xudc->genpd_dev_ss, true); in tegra_xudc_powerdomain_remove()
3725 if (xudc->genpd_dev_device) in tegra_xudc_powerdomain_remove()
3726 dev_pm_domain_detach(xudc->genpd_dev_device, true); in tegra_xudc_powerdomain_remove()
3731 struct device *dev = xudc->dev; in tegra_xudc_powerdomain_init()
3734 xudc->genpd_dev_device = dev_pm_domain_attach_by_name(dev, "dev"); in tegra_xudc_powerdomain_init()
3735 if (IS_ERR(xudc->genpd_dev_device)) { in tegra_xudc_powerdomain_init()
3736 err = PTR_ERR(xudc->genpd_dev_device); in tegra_xudc_powerdomain_init()
3741 xudc->genpd_dev_ss = dev_pm_domain_attach_by_name(dev, "ss"); in tegra_xudc_powerdomain_init()
3742 if (IS_ERR(xudc->genpd_dev_ss)) { in tegra_xudc_powerdomain_init()
3743 err = PTR_ERR(xudc->genpd_dev_ss); in tegra_xudc_powerdomain_init()
3748 xudc->genpd_dl_device = device_link_add(dev, xudc->genpd_dev_device, in tegra_xudc_powerdomain_init()
3751 if (!xudc->genpd_dl_device) { in tegra_xudc_powerdomain_init()
3753 return -ENODEV; in tegra_xudc_powerdomain_init()
3756 xudc->genpd_dl_ss = device_link_add(dev, xudc->genpd_dev_ss, in tegra_xudc_powerdomain_init()
3759 if (!xudc->genpd_dl_ss) { in tegra_xudc_powerdomain_init()
3761 return -ENODEV; in tegra_xudc_powerdomain_init()
3774 xudc = devm_kzalloc(&pdev->dev, sizeof(*xudc), GFP_KERNEL); in tegra_xudc_probe()
3776 return -ENOMEM; in tegra_xudc_probe()
3778 xudc->dev = &pdev->dev; in tegra_xudc_probe()
3781 xudc->soc = of_device_get_match_data(&pdev->dev); in tegra_xudc_probe()
3782 if (!xudc->soc) in tegra_xudc_probe()
3783 return -ENODEV; in tegra_xudc_probe()
3786 xudc->base = devm_ioremap_resource(&pdev->dev, res); in tegra_xudc_probe()
3787 if (IS_ERR(xudc->base)) in tegra_xudc_probe()
3788 return PTR_ERR(xudc->base); in tegra_xudc_probe()
3789 xudc->phys_base = res->start; in tegra_xudc_probe()
3791 xudc->fpci = devm_platform_ioremap_resource_byname(pdev, "fpci"); in tegra_xudc_probe()
3792 if (IS_ERR(xudc->fpci)) in tegra_xudc_probe()
3793 return PTR_ERR(xudc->fpci); in tegra_xudc_probe()
3795 if (xudc->soc->has_ipfs) { in tegra_xudc_probe()
3796 xudc->ipfs = devm_platform_ioremap_resource_byname(pdev, "ipfs"); in tegra_xudc_probe()
3797 if (IS_ERR(xudc->ipfs)) in tegra_xudc_probe()
3798 return PTR_ERR(xudc->ipfs); in tegra_xudc_probe()
3801 xudc->irq = platform_get_irq(pdev, 0); in tegra_xudc_probe()
3802 if (xudc->irq < 0) in tegra_xudc_probe()
3803 return xudc->irq; in tegra_xudc_probe()
3805 err = devm_request_irq(&pdev->dev, xudc->irq, tegra_xudc_irq, 0, in tegra_xudc_probe()
3806 dev_name(&pdev->dev), xudc); in tegra_xudc_probe()
3808 dev_err(xudc->dev, "failed to claim IRQ#%u: %d\n", xudc->irq, in tegra_xudc_probe()
3813 xudc->clks = devm_kcalloc(&pdev->dev, xudc->soc->num_clks, sizeof(*xudc->clks), in tegra_xudc_probe()
3815 if (!xudc->clks) in tegra_xudc_probe()
3816 return -ENOMEM; in tegra_xudc_probe()
3818 for (i = 0; i < xudc->soc->num_clks; i++) in tegra_xudc_probe()
3819 xudc->clks[i].id = xudc->soc->clock_names[i]; in tegra_xudc_probe()
3821 err = devm_clk_bulk_get(&pdev->dev, xudc->soc->num_clks, xudc->clks); in tegra_xudc_probe()
3823 dev_err_probe(xudc->dev, err, "failed to request clocks\n"); in tegra_xudc_probe()
3827 xudc->supplies = devm_kcalloc(&pdev->dev, xudc->soc->num_supplies, in tegra_xudc_probe()
3828 sizeof(*xudc->supplies), GFP_KERNEL); in tegra_xudc_probe()
3829 if (!xudc->supplies) in tegra_xudc_probe()
3830 return -ENOMEM; in tegra_xudc_probe()
3832 for (i = 0; i < xudc->soc->num_supplies; i++) in tegra_xudc_probe()
3833 xudc->supplies[i].supply = xudc->soc->supply_names[i]; in tegra_xudc_probe()
3835 err = devm_regulator_bulk_get(&pdev->dev, xudc->soc->num_supplies, in tegra_xudc_probe()
3836 xudc->supplies); in tegra_xudc_probe()
3838 dev_err_probe(xudc->dev, err, "failed to request regulators\n"); in tegra_xudc_probe()
3842 xudc->padctl = tegra_xusb_padctl_get(&pdev->dev); in tegra_xudc_probe()
3843 if (IS_ERR(xudc->padctl)) in tegra_xudc_probe()
3844 return PTR_ERR(xudc->padctl); in tegra_xudc_probe()
3846 err = regulator_bulk_enable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_probe()
3848 dev_err(xudc->dev, "failed to enable regulators: %d\n", err); in tegra_xudc_probe()
3872 spin_lock_init(&xudc->lock); in tegra_xudc_probe()
3874 init_completion(&xudc->disconnect_complete); in tegra_xudc_probe()
3876 INIT_WORK(&xudc->usb_role_sw_work, tegra_xudc_usb_role_sw_work); in tegra_xudc_probe()
3878 INIT_DELAYED_WORK(&xudc->plc_reset_work, tegra_xudc_plc_reset_work); in tegra_xudc_probe()
3880 INIT_DELAYED_WORK(&xudc->port_reset_war_work, in tegra_xudc_probe()
3883 pm_runtime_enable(&pdev->dev); in tegra_xudc_probe()
3885 xudc->gadget.ops = &tegra_xudc_gadget_ops; in tegra_xudc_probe()
3886 xudc->gadget.ep0 = &xudc->ep[0].usb_ep; in tegra_xudc_probe()
3887 xudc->gadget.name = "tegra-xudc"; in tegra_xudc_probe()
3888 xudc->gadget.max_speed = USB_SPEED_SUPER; in tegra_xudc_probe()
3890 err = usb_add_gadget_udc(&pdev->dev, &xudc->gadget); in tegra_xudc_probe()
3892 dev_err(&pdev->dev, "failed to add USB gadget: %d\n", err); in tegra_xudc_probe()
3896 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_probe()
3897 if (!xudc->usbphy[i]) in tegra_xudc_probe()
3900 usb_register_notifier(xudc->usbphy[i], &xudc->vbus_nb); in tegra_xudc_probe()
3901 tegra_xudc_update_data_role(xudc, xudc->usbphy[i]); in tegra_xudc_probe()
3907 pm_runtime_disable(&pdev->dev); in tegra_xudc_probe()
3916 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_probe()
3918 tegra_xusb_padctl_put(xudc->padctl); in tegra_xudc_probe()
3928 pm_runtime_get_sync(xudc->dev); in tegra_xudc_remove()
3930 cancel_delayed_work_sync(&xudc->plc_reset_work); in tegra_xudc_remove()
3931 cancel_work_sync(&xudc->usb_role_sw_work); in tegra_xudc_remove()
3933 usb_del_gadget_udc(&xudc->gadget); in tegra_xudc_remove()
3940 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_remove()
3942 for (i = 0; i < xudc->soc->num_phys; i++) { in tegra_xudc_remove()
3943 phy_power_off(xudc->utmi_phy[i]); in tegra_xudc_remove()
3944 phy_power_off(xudc->usb3_phy[i]); in tegra_xudc_remove()
3949 pm_runtime_disable(xudc->dev); in tegra_xudc_remove()
3950 pm_runtime_put(xudc->dev); in tegra_xudc_remove()
3952 tegra_xusb_padctl_put(xudc->padctl); in tegra_xudc_remove()
3959 dev_dbg(xudc->dev, "entering ELPG\n"); in tegra_xudc_powergate()
3961 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_powergate()
3963 xudc->powergated = true; in tegra_xudc_powergate()
3964 xudc->saved_regs.ctrl = xudc_readl(xudc, CTRL); in tegra_xudc_powergate()
3965 xudc->saved_regs.portpm = xudc_readl(xudc, PORTPM); in tegra_xudc_powergate()
3968 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_powergate()
3970 clk_bulk_disable_unprepare(xudc->soc->num_clks, xudc->clks); in tegra_xudc_powergate()
3972 regulator_bulk_disable(xudc->soc->num_supplies, xudc->supplies); in tegra_xudc_powergate()
3974 dev_dbg(xudc->dev, "entering ELPG done\n"); in tegra_xudc_powergate()
3983 dev_dbg(xudc->dev, "exiting ELPG\n"); in tegra_xudc_unpowergate()
3985 err = regulator_bulk_enable(xudc->soc->num_supplies, in tegra_xudc_unpowergate()
3986 xudc->supplies); in tegra_xudc_unpowergate()
3990 err = clk_bulk_prepare_enable(xudc->soc->num_clks, xudc->clks); in tegra_xudc_unpowergate()
4002 xudc_writel(xudc, xudc->saved_regs.portpm, PORTPM); in tegra_xudc_unpowergate()
4003 xudc_writel(xudc, xudc->saved_regs.ctrl, CTRL); in tegra_xudc_unpowergate()
4005 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_unpowergate()
4006 xudc->powergated = false; in tegra_xudc_unpowergate()
4007 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_unpowergate()
4009 dev_dbg(xudc->dev, "exiting ELPG done\n"); in tegra_xudc_unpowergate()
4018 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_suspend()
4019 xudc->suspended = true; in tegra_xudc_suspend()
4020 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_suspend()
4022 flush_work(&xudc->usb_role_sw_work); in tegra_xudc_suspend()
4045 spin_lock_irqsave(&xudc->lock, flags); in tegra_xudc_resume()
4046 xudc->suspended = false; in tegra_xudc_resume()
4047 spin_unlock_irqrestore(&xudc->lock, flags); in tegra_xudc_resume()
4049 schedule_work(&xudc->usb_role_sw_work); in tegra_xudc_resume()
4080 .name = "tegra-xudc",