Lines Matching refs:pdev
101 void cdnsp_set_link_state(struct cdnsp_device *pdev,
116 if (pdev->active_port)
117 port_num = pdev->active_port->port_num;
124 static void cdnsp_disable_port(struct cdnsp_device *pdev,
132 static void cdnsp_clear_port_change_bit(struct cdnsp_device *pdev,
141 static void cdnsp_set_chicken_bits_2(struct cdnsp_device *pdev, u32 bit)
147 base = &pdev->cap_regs->hc_capbase;
155 static void cdnsp_clear_chicken_bits_2(struct cdnsp_device *pdev, u32 bit)
161 base = &pdev->cap_regs->hc_capbase;
172 static void cdnsp_quiesce(struct cdnsp_device *pdev)
180 halted = readl(&pdev->op_regs->status) & STS_HALT;
184 cmd = readl(&pdev->op_regs->command);
186 writel(cmd, &pdev->op_regs->command);
198 int cdnsp_halt(struct cdnsp_device *pdev)
203 cdnsp_quiesce(pdev);
205 ret = readl_poll_timeout_atomic(&pdev->op_regs->status, val,
209 dev_err(pdev->dev, "ERROR: Device halt failed\n");
213 pdev->cdnsp_state |= CDNSP_STATE_HALTED;
222 void cdnsp_died(struct cdnsp_device *pdev)
224 dev_err(pdev->dev, "ERROR: CDNSP controller not responding\n");
225 pdev->cdnsp_state |= CDNSP_STATE_DYING;
226 cdnsp_halt(pdev);
232 static int cdnsp_start(struct cdnsp_device *pdev)
237 temp = readl(&pdev->op_regs->command);
239 writel(temp, &pdev->op_regs->command);
241 pdev->cdnsp_state = 0;
247 ret = readl_poll_timeout_atomic(&pdev->op_regs->status, temp,
251 pdev->cdnsp_state = CDNSP_STATE_DYING;
252 dev_err(pdev->dev, "ERROR: Controller run failed\n");
265 int cdnsp_reset(struct cdnsp_device *pdev)
271 temp = readl(&pdev->op_regs->status);
274 dev_err(pdev->dev, "Device not accessible, reset failed.\n");
279 dev_err(pdev->dev, "Controller not halted, aborting reset.\n");
283 command = readl(&pdev->op_regs->command);
285 writel(command, &pdev->op_regs->command);
287 ret = readl_poll_timeout_atomic(&pdev->op_regs->command, temp,
291 dev_err(pdev->dev, "ERROR: Controller reset failed\n");
299 ret = readl_poll_timeout_atomic(&pdev->op_regs->status, temp,
304 dev_err(pdev->dev, "ERROR: Controller not ready to work\n");
308 dev_dbg(pdev->dev, "Controller ready to work");
346 struct cdnsp_device *pdev = pep->pdev;
362 ret = usb_gadget_map_request_by_dev(pdev->dev, request, pep->direction);
374 ret = cdnsp_queue_ctrl_tx(pdev, preq);
378 ret = cdnsp_queue_bulk_tx(pdev, preq);
381 ret = cdnsp_queue_isoc_tx(pdev, preq);
390 usb_gadget_unmap_request_by_dev(pdev->dev, &preq->request,
425 struct cdnsp_device *pdev = pep->pdev;
432 ret_stop = cdnsp_cmd_stop_ep(pdev, pep);
434 ret_rem = cdnsp_remove_request(pdev, preq, pep);
439 static void cdnsp_zero_in_ctx(struct cdnsp_device *pdev)
446 ctrl_ctx = cdnsp_get_input_control_ctx(&pdev->in_ctx);
456 slot_ctx = cdnsp_get_slot_ctx(&pdev->in_ctx);
462 ep_ctx = cdnsp_get_ep_ctx(&pdev->in_ctx, i);
471 static int cdnsp_configure_endpoint(struct cdnsp_device *pdev)
475 cdnsp_queue_configure_endpoint(pdev, pdev->cmd.in_ctx->dma);
476 cdnsp_ring_cmd_db(pdev);
477 ret = cdnsp_wait_for_cmd_compl(pdev);
479 dev_err(pdev->dev,
487 static void cdnsp_invalidate_ep_events(struct cdnsp_device *pdev,
495 event = pdev->event_ring->dequeue;
496 segment = pdev->event_ring->deq_seg;
497 cycle_state = pdev->event_ring->cycle_state;
514 segment = pdev->event_ring->deq_seg->next;
522 int cdnsp_wait_for_cmd_compl(struct cdnsp_device *pdev)
533 cmd_trb = pdev->cmd.command_trb;
534 pdev->cmd.status = 0;
536 trace_cdnsp_cmd_wait_for_compl(pdev->cmd_ring, &cmd_trb->generic);
538 ret = readl_poll_timeout_atomic(&pdev->op_regs->cmd_ring, val,
542 dev_err(pdev->dev, "ERR: Timeout while waiting for command\n");
543 trace_cdnsp_cmd_timeout(pdev->cmd_ring, &cmd_trb->generic);
544 pdev->cdnsp_state = CDNSP_STATE_DYING;
548 event = pdev->event_ring->dequeue;
549 event_deq_seg = pdev->event_ring->deq_seg;
550 cycle_state = pdev->event_ring->cycle_state;
552 cmd_deq_dma = cdnsp_trb_virt_to_dma(pdev->cmd_ring->deq_seg, cmd_trb);
576 if (cdnsp_last_trb_on_ring(pdev->event_ring,
585 trace_cdnsp_handle_command(pdev->cmd_ring, &cmd_trb->generic);
587 pdev->cmd.status = GET_COMP_CODE(le32_to_cpu(event->event_cmd.status));
588 if (pdev->cmd.status == COMP_SUCCESS)
591 return -pdev->cmd.status;
595 int cdnsp_halt_endpoint(struct cdnsp_device *pdev,
603 ret = cdnsp_cmd_stop_ep(pdev, pep);
609 cdnsp_queue_halt_endpoint(pdev, pep->idx);
610 cdnsp_ring_cmd_db(pdev);
611 ret = cdnsp_wait_for_cmd_compl(pdev);
616 cdnsp_queue_reset_ep(pdev, pep->idx);
617 cdnsp_ring_cmd_db(pdev);
618 ret = cdnsp_wait_for_cmd_compl(pdev);
627 cdnsp_ring_doorbell_for_active_rings(pdev, pep);
635 static int cdnsp_update_eps_configuration(struct cdnsp_device *pdev,
644 ctrl_ctx = cdnsp_get_input_control_ctx(&pdev->in_ctx);
655 slot_ctx = cdnsp_get_slot_ctx(&pdev->in_ctx);
659 if ((pdev->eps[i - 1].ring && !(ctrl_ctx->drop_flags & le32)) ||
672 ret = cdnsp_configure_endpoint(pdev);
674 trace_cdnsp_configure_endpoint(cdnsp_get_slot_ctx(&pdev->out_ctx));
677 cdnsp_zero_in_ctx(pdev);
688 int cdnsp_reset_device(struct cdnsp_device *pdev)
694 slot_ctx = cdnsp_get_slot_ctx(&pdev->in_ctx);
696 pdev->device_address = 0;
699 slot_ctx = cdnsp_get_slot_ctx(&pdev->out_ctx);
704 pdev->eps[0].ep_state & EP_HALTED) {
705 cdnsp_halt_endpoint(pdev, &pdev->eps[0], 0);
712 pdev->eps[0].ep_state &= ~(EP_STOPPED | EP_HALTED);
713 pdev->eps[0].ep_state |= EP_ENABLED;
718 cdnsp_queue_reset_device(pdev);
719 cdnsp_ring_cmd_db(pdev);
720 ret = cdnsp_wait_for_cmd_compl(pdev);
727 pdev->eps[i].ep_state |= EP_STOPPED | EP_UNCONFIGURED;
732 dev_err(pdev->dev, "Reset device failed with error code %d",
742 static void cdnsp_setup_streams_ep_input_ctx(struct cdnsp_device *pdev,
765 int cdnsp_alloc_streams(struct cdnsp_device *pdev, struct cdnsp_ep *pep)
789 ret = cdnsp_alloc_stream_info(pdev, pep, num_stream_ctxs, num_streams);
793 cdnsp_setup_streams_ep_input_ctx(pdev, pep->in_ctx, &pep->stream_info);
803 int cdnsp_disable_slot(struct cdnsp_device *pdev)
807 cdnsp_queue_slot_control(pdev, TRB_DISABLE_SLOT);
808 cdnsp_ring_cmd_db(pdev);
809 ret = cdnsp_wait_for_cmd_compl(pdev);
811 pdev->slot_id = 0;
812 pdev->active_port = NULL;
814 trace_cdnsp_handle_cmd_disable_slot(cdnsp_get_slot_ctx(&pdev->out_ctx));
816 memset(pdev->in_ctx.bytes, 0, CDNSP_CTX_SIZE);
817 memset(pdev->out_ctx.bytes, 0, CDNSP_CTX_SIZE);
822 int cdnsp_enable_slot(struct cdnsp_device *pdev)
829 slot_ctx = cdnsp_get_slot_ctx(&pdev->out_ctx);
835 cdnsp_queue_slot_control(pdev, TRB_ENABLE_SLOT);
836 cdnsp_ring_cmd_db(pdev);
837 ret = cdnsp_wait_for_cmd_compl(pdev);
841 pdev->slot_id = 1;
844 trace_cdnsp_handle_cmd_enable_slot(cdnsp_get_slot_ctx(&pdev->out_ctx));
853 int cdnsp_setup_device(struct cdnsp_device *pdev, enum cdnsp_setup_dev setup)
860 if (!pdev->slot_id) {
865 if (!pdev->active_port->port_num)
868 slot_ctx = cdnsp_get_slot_ctx(&pdev->out_ctx);
876 slot_ctx = cdnsp_get_slot_ctx(&pdev->in_ctx);
877 ctrl_ctx = cdnsp_get_input_control_ctx(&pdev->in_ctx);
880 ret = cdnsp_setup_addressable_priv_dev(pdev);
885 cdnsp_copy_ep0_dequeue_into_input_ctx(pdev);
892 cdnsp_queue_address_device(pdev, pdev->in_ctx.dma, setup);
893 cdnsp_ring_cmd_db(pdev);
894 ret = cdnsp_wait_for_cmd_compl(pdev);
896 trace_cdnsp_handle_cmd_addr_dev(cdnsp_get_slot_ctx(&pdev->out_ctx));
905 void cdnsp_set_usb2_hardware_lpm(struct cdnsp_device *pdev,
909 if (pdev->active_port != &pdev->usb2_port || !pdev->gadget.lpm_capable)
916 &pdev->active_port->regs->portpmsc);
918 writel(PORT_L1S_NYET, &pdev->active_port->regs->portpmsc);
921 static int cdnsp_get_frame(struct cdnsp_device *pdev)
923 return readl(&pdev->run_regs->microframe_index) >> 3;
930 struct cdnsp_device *pdev;
941 pdev = pep->pdev;
944 if (dev_WARN_ONCE(pdev->dev, pep->ep_state & EP_ENABLED,
948 spin_lock_irqsave(&pdev->lock, flags);
952 dev_err(pdev->dev, "ERROR: Bad endpoint number\n");
959 if (pdev->gadget.speed == USB_SPEED_FULL) {
968 dev_err(pdev->dev, "bInterval %d not supported\n",
973 cdnsp_set_chicken_bits_2(pdev, CHICKEN_XDMA_2_TP_CACHE_DIS);
976 ret = cdnsp_endpoint_init(pdev, pep, GFP_ATOMIC);
980 ctrl_ctx = cdnsp_get_input_control_ctx(&pdev->in_ctx);
984 ret = cdnsp_update_eps_configuration(pdev, pep);
986 cdnsp_free_endpoint_rings(pdev, pep);
995 spin_unlock_irqrestore(&pdev->lock, flags);
1004 struct cdnsp_device *pdev;
1014 pdev = pep->pdev;
1016 spin_lock_irqsave(&pdev->lock, flags);
1019 dev_err(pdev->dev, "%s is already disabled\n", pep->name);
1028 cdnsp_cmd_stop_ep(pdev, pep);
1029 cdnsp_cmd_flush_ep(pdev, pep);
1038 cdnsp_invalidate_ep_events(pdev, pep);
1042 ctrl_ctx = cdnsp_get_input_control_ctx(&pdev->in_ctx);
1046 cdnsp_endpoint_zero(pdev, pep);
1049 ret = cdnsp_update_eps_configuration(pdev, pep);
1051 cdnsp_free_endpoint_rings(pdev, pep);
1058 spin_unlock_irqrestore(&pdev->lock, flags);
1095 struct cdnsp_device *pdev;
1104 pdev = pep->pdev;
1107 dev_err(pdev->dev, "%s: can't queue to disabled endpoint\n",
1113 spin_lock_irqsave(&pdev->lock, flags);
1115 spin_unlock_irqrestore(&pdev->lock, flags);
1124 struct cdnsp_device *pdev = pep->pdev;
1132 dev_err(pdev->dev,
1142 spin_lock_irqsave(&pdev->lock, flags);
1144 spin_unlock_irqrestore(&pdev->lock, flags);
1152 struct cdnsp_device *pdev = pep->pdev;
1157 spin_lock_irqsave(&pdev->lock, flags);
1168 ret = cdnsp_halt_endpoint(pdev, pep, value);
1171 spin_unlock_irqrestore(&pdev->lock, flags);
1178 struct cdnsp_device *pdev = pep->pdev;
1182 spin_lock_irqsave(&pdev->lock, flags);
1184 ret = cdnsp_halt_endpoint(pdev, pep, 1);
1185 spin_unlock_irqrestore(&pdev->lock, flags);
1216 struct cdnsp_device *pdev = pep->pdev;
1223 usb_gadget_unmap_request_by_dev(pdev->dev, &preq->request,
1228 if (preq != &pdev->ep0_preq) {
1229 spin_unlock(&pdev->lock);
1231 spin_lock(&pdev->lock);
1241 static int cdnsp_run(struct cdnsp_device *pdev,
1248 temp = readl(&pdev->ir_set->irq_control);
1251 writel(temp, &pdev->ir_set->irq_control);
1253 temp = readl(&pdev->port3x_regs->mode_addr);
1268 dev_err(pdev->dev, "invalid maximum_speed parameter %d\n",
1278 writel(temp, &pdev->port3x_regs->mode_addr);
1279 cdnsp_set_link_state(pdev, &pdev->usb3_port.regs->portsc,
1282 cdnsp_disable_port(pdev, &pdev->usb3_port.regs->portsc);
1285 cdnsp_set_link_state(pdev, &pdev->usb2_port.regs->portsc,
1290 writel(PORT_REG6_L1_L0_HW_EN | fs_speed, &pdev->port20_regs->port_reg6);
1292 ret = cdnsp_start(pdev);
1298 temp = readl(&pdev->op_regs->command);
1300 writel(temp, &pdev->op_regs->command);
1302 temp = readl(&pdev->ir_set->irq_pending);
1303 writel(IMAN_IE_SET(temp), &pdev->ir_set->irq_pending);
1308 cdnsp_halt(pdev);
1316 struct cdnsp_device *pdev = gadget_to_cdnsp(g);
1320 spin_lock_irqsave(&pdev->lock, flags);
1321 pdev->gadget_driver = driver;
1325 ret = cdnsp_run(pdev, max_speed);
1327 spin_unlock_irqrestore(&pdev->lock, flags);
1337 void cdnsp_update_erst_dequeue(struct cdnsp_device *pdev,
1344 temp_64 = cdnsp_read_64(&pdev->ir_set->erst_dequeue);
1347 if (event_ring_deq != pdev->event_ring->dequeue) {
1348 deq = cdnsp_trb_virt_to_dma(pdev->event_ring->deq_seg,
1349 pdev->event_ring->dequeue);
1360 cdnsp_write_64(temp_64, &pdev->ir_set->erst_dequeue);
1363 static void cdnsp_clear_cmd_ring(struct cdnsp_device *pdev)
1369 cdnsp_initialize_ring_info(pdev->cmd_ring);
1371 seg = pdev->cmd_ring->first_seg;
1372 for (i = 0; i < pdev->cmd_ring->num_segs; i++) {
1379 val_64 = cdnsp_read_64(&pdev->op_regs->cmd_ring);
1381 (pdev->cmd_ring->first_seg->dma & (u64)~CMD_RING_RSVD_BITS) |
1382 pdev->cmd_ring->cycle_state;
1383 cdnsp_write_64(val_64, &pdev->op_regs->cmd_ring);
1386 static void cdnsp_consume_all_events(struct cdnsp_device *pdev)
1393 event_ring_deq = pdev->event_ring->dequeue;
1394 event_deq_seg = pdev->event_ring->deq_seg;
1395 event = pdev->event_ring->dequeue;
1402 if (cycle_bit != pdev->event_ring->cycle_state)
1405 cdnsp_inc_deq(pdev, pdev->event_ring);
1412 if (cdnsp_last_trb_on_ring(pdev->event_ring, event_deq_seg,
1420 cdnsp_update_erst_dequeue(pdev, event_ring_deq, 1);
1423 static void cdnsp_stop(struct cdnsp_device *pdev)
1427 cdnsp_cmd_flush_ep(pdev, &pdev->eps[0]);
1430 if (!list_empty(&pdev->eps[0].pending_list)) {
1433 req = next_request(&pdev->eps[0].pending_list);
1434 if (req == &pdev->ep0_preq)
1435 cdnsp_ep_dequeue(&pdev->eps[0], req);
1438 cdnsp_disable_port(pdev, &pdev->usb2_port.regs->portsc);
1439 cdnsp_disable_port(pdev, &pdev->usb3_port.regs->portsc);
1440 cdnsp_disable_slot(pdev);
1441 cdnsp_halt(pdev);
1443 temp = readl(&pdev->op_regs->status);
1444 writel((temp & ~0x1fff) | STS_EINT, &pdev->op_regs->status);
1445 temp = readl(&pdev->ir_set->irq_pending);
1446 writel(IMAN_IE_CLEAR(temp), &pdev->ir_set->irq_pending);
1448 cdnsp_clear_port_change_bit(pdev, &pdev->usb2_port.regs->portsc);
1449 cdnsp_clear_port_change_bit(pdev, &pdev->usb3_port.regs->portsc);
1452 temp = readl(&pdev->ir_set->irq_pending);
1454 writel(temp, &pdev->ir_set->irq_pending);
1456 cdnsp_consume_all_events(pdev);
1457 cdnsp_clear_cmd_ring(pdev);
1469 struct cdnsp_device *pdev = gadget_to_cdnsp(g);
1472 spin_lock_irqsave(&pdev->lock, flags);
1473 cdnsp_stop(pdev);
1474 pdev->gadget_driver = NULL;
1475 spin_unlock_irqrestore(&pdev->lock, flags);
1482 struct cdnsp_device *pdev = gadget_to_cdnsp(g);
1484 return cdnsp_get_frame(pdev);
1487 static void __cdnsp_gadget_wakeup(struct cdnsp_device *pdev)
1492 port_regs = pdev->active_port->regs;
1496 if (pdev->gadget.speed < USB_SPEED_SUPER && portsc == XDEV_U2) {
1503 if (portsc == XDEV_U3 && !pdev->may_wakeup)
1506 cdnsp_set_link_state(pdev, &port_regs->portsc, XDEV_U0);
1508 pdev->cdnsp_state |= CDNSP_WAKEUP_PENDING;
1513 struct cdnsp_device *pdev = gadget_to_cdnsp(g);
1516 spin_lock_irqsave(&pdev->lock, flags);
1517 __cdnsp_gadget_wakeup(pdev);
1518 spin_unlock_irqrestore(&pdev->lock, flags);
1526 struct cdnsp_device *pdev = gadget_to_cdnsp(g);
1529 spin_lock_irqsave(&pdev->lock, flags);
1531 spin_unlock_irqrestore(&pdev->lock, flags);
1538 struct cdnsp_device *pdev = gadget_to_cdnsp(gadget);
1539 struct cdns *cdns = dev_get_drvdata(pdev->dev);
1549 spin_lock_irqsave(&pdev->lock, flags);
1552 cdnsp_reset_device(pdev);
1558 spin_unlock_irqrestore(&pdev->lock, flags);
1573 static void cdnsp_get_ep_buffering(struct cdnsp_device *pdev,
1576 void __iomem *reg = &pdev->cap_regs->hc_capbase;
1589 endpoints = HCS_ENDPOINTS(pdev->hcs_params1) / 2;
1600 static int cdnsp_gadget_init_endpoints(struct cdnsp_device *pdev)
1602 int max_streams = HCC_MAX_PSA(pdev->hcc_params);
1606 INIT_LIST_HEAD(&pdev->gadget.ep_list);
1609 dev_err(pdev->dev, "Stream size %d not supported\n",
1620 if (!CDNSP_IF_EP_EXIST(pdev, epnum, direction))
1623 pep = &pdev->eps[i];
1624 pep->pdev = pdev;
1630 * pdev->eps[0]
1646 pdev->ep0_preq.epnum = pep->number;
1647 pdev->ep0_preq.pep = pep;
1648 pdev->gadget.ep0 = &pep->endpoint;
1659 &pdev->gadget.ep_list);
1670 pep->in_ctx = cdnsp_get_ep_ctx(&pdev->in_ctx, pep->idx);
1671 pep->out_ctx = cdnsp_get_ep_ctx(&pdev->out_ctx, pep->idx);
1672 cdnsp_get_ep_buffering(pdev, pep);
1674 dev_dbg(pdev->dev, "Init %s, MPS: %04x SupType: "
1691 static void cdnsp_gadget_free_endpoints(struct cdnsp_device *pdev)
1697 pep = &pdev->eps[i];
1703 void cdnsp_disconnect_gadget(struct cdnsp_device *pdev)
1705 pdev->cdnsp_state |= CDNSP_STATE_DISCONNECT_PENDING;
1707 if (pdev->gadget_driver && pdev->gadget_driver->disconnect) {
1708 spin_unlock(&pdev->lock);
1709 pdev->gadget_driver->disconnect(&pdev->gadget);
1710 spin_lock(&pdev->lock);
1713 pdev->gadget.speed = USB_SPEED_UNKNOWN;
1714 usb_gadget_set_state(&pdev->gadget, USB_STATE_NOTATTACHED);
1716 pdev->cdnsp_state &= ~CDNSP_STATE_DISCONNECT_PENDING;
1719 void cdnsp_suspend_gadget(struct cdnsp_device *pdev)
1721 if (pdev->gadget_driver && pdev->gadget_driver->suspend) {
1722 spin_unlock(&pdev->lock);
1723 pdev->gadget_driver->suspend(&pdev->gadget);
1724 spin_lock(&pdev->lock);
1728 void cdnsp_resume_gadget(struct cdnsp_device *pdev)
1730 if (pdev->gadget_driver && pdev->gadget_driver->resume) {
1731 spin_unlock(&pdev->lock);
1732 pdev->gadget_driver->resume(&pdev->gadget);
1733 spin_lock(&pdev->lock);
1737 void cdnsp_irq_reset(struct cdnsp_device *pdev)
1741 cdnsp_reset_device(pdev);
1743 port_regs = pdev->active_port->regs;
1744 pdev->gadget.speed = cdnsp_port_speed(readl(port_regs));
1746 spin_unlock(&pdev->lock);
1747 usb_gadget_udc_reset(&pdev->gadget, pdev->gadget_driver);
1748 spin_lock(&pdev->lock);
1750 switch (pdev->gadget.speed) {
1754 pdev->gadget.ep0->maxpacket = 512;
1759 pdev->gadget.ep0->maxpacket = 64;
1763 dev_err(pdev->dev, "Unknown device speed\n");
1767 cdnsp_clear_chicken_bits_2(pdev, CHICKEN_XDMA_2_TP_CACHE_DIS);
1768 cdnsp_setup_device(pdev, SETUP_CONTEXT_ONLY);
1769 usb_gadget_set_state(&pdev->gadget, USB_STATE_DEFAULT);
1772 static void cdnsp_get_rev_cap(struct cdnsp_device *pdev)
1774 void __iomem *reg = &pdev->cap_regs->hc_capbase;
1777 pdev->rev_cap = reg;
1779 dev_info(pdev->dev, "Rev: %08x/%08x, eps: %08x, buff: %08x/%08x\n",
1780 readl(&pdev->rev_cap->ctrl_revision),
1781 readl(&pdev->rev_cap->rtl_revision),
1782 readl(&pdev->rev_cap->ep_supported),
1783 readl(&pdev->rev_cap->rx_buff_size),
1784 readl(&pdev->rev_cap->tx_buff_size));
1787 static int cdnsp_gen_setup(struct cdnsp_device *pdev)
1792 pdev->cap_regs = pdev->regs;
1793 pdev->op_regs = pdev->regs +
1794 HC_LENGTH(readl(&pdev->cap_regs->hc_capbase));
1795 pdev->run_regs = pdev->regs +
1796 (readl(&pdev->cap_regs->run_regs_off) & RTSOFF_MASK);
1799 pdev->hcs_params1 = readl(&pdev->cap_regs->hcs_params1);
1800 pdev->hcc_params = readl(&pdev->cap_regs->hc_capbase);
1801 pdev->hci_version = HC_VERSION(pdev->hcc_params);
1802 pdev->hcc_params = readl(&pdev->cap_regs->hcc_params);
1804 cdnsp_get_rev_cap(pdev);
1807 ret = cdnsp_halt(pdev);
1812 ret = cdnsp_reset(pdev);
1820 if (HCC_64BIT_ADDR(pdev->hcc_params) &&
1821 !dma_set_mask(pdev->dev, DMA_BIT_MASK(64))) {
1822 dev_dbg(pdev->dev, "Enabling 64-bit DMA addresses.\n");
1823 dma_set_coherent_mask(pdev->dev, DMA_BIT_MASK(64));
1829 ret = dma_set_mask(pdev->dev, DMA_BIT_MASK(32));
1833 dev_dbg(pdev->dev, "Enabling 32-bit DMA addresses.\n");
1834 dma_set_coherent_mask(pdev->dev, DMA_BIT_MASK(32));
1837 spin_lock_init(&pdev->lock);
1839 ret = cdnsp_mem_init(pdev);
1848 reg = readl(&pdev->port3x_regs->mode_2);
1850 writel(reg, &pdev->port3x_regs->mode_2);
1857 struct cdnsp_device *pdev;
1863 pdev = kzalloc(sizeof(*pdev), GFP_KERNEL);
1864 if (!pdev)
1869 cdns->gadget_dev = pdev;
1870 pdev->dev = cdns->dev;
1871 pdev->regs = cdns->dev_regs;
1889 pdev->gadget.ops = &cdnsp_gadget_ops;
1890 pdev->gadget.name = "cdnsp-gadget";
1891 pdev->gadget.speed = USB_SPEED_UNKNOWN;
1892 pdev->gadget.sg_supported = 1;
1893 pdev->gadget.max_speed = max_speed;
1894 pdev->gadget.lpm_capable = 1;
1896 pdev->setup_buf = kzalloc(CDNSP_EP0_SETUP_SIZE, GFP_KERNEL);
1897 if (!pdev->setup_buf)
1904 pdev->gadget.quirk_ep_out_aligned_size = true;
1906 ret = cdnsp_gen_setup(pdev);
1908 dev_err(pdev->dev, "Generic initialization failed %d\n", ret);
1912 ret = cdnsp_gadget_init_endpoints(pdev);
1914 dev_err(pdev->dev, "failed to initialize endpoints\n");
1918 ret = usb_add_gadget_udc(pdev->dev, &pdev->gadget);
1920 dev_err(pdev->dev, "failed to register udc\n");
1924 ret = devm_request_threaded_irq(pdev->dev, cdns->dev_irq,
1927 dev_name(pdev->dev), pdev);
1934 usb_del_gadget_udc(&pdev->gadget);
1936 cdnsp_gadget_free_endpoints(pdev);
1938 cdnsp_halt(pdev);
1939 cdnsp_reset(pdev);
1940 cdnsp_mem_cleanup(pdev);
1942 kfree(pdev->setup_buf);
1944 kfree(pdev);
1951 struct cdnsp_device *pdev = cdns->gadget_dev;
1953 devm_free_irq(pdev->dev, cdns->dev_irq, pdev);
1956 usb_del_gadget_udc(&pdev->gadget);
1957 cdnsp_gadget_free_endpoints(pdev);
1958 cdnsp_mem_cleanup(pdev);
1959 kfree(pdev);
1966 struct cdnsp_device *pdev = cdns->gadget_dev;
1969 if (pdev->link_state == XDEV_U3)
1972 spin_lock_irqsave(&pdev->lock, flags);
1973 cdnsp_disconnect_gadget(pdev);
1974 cdnsp_stop(pdev);
1975 spin_unlock_irqrestore(&pdev->lock, flags);
1982 struct cdnsp_device *pdev = cdns->gadget_dev;
1987 if (!pdev->gadget_driver)
1990 spin_lock_irqsave(&pdev->lock, flags);
1991 max_speed = pdev->gadget_driver->max_speed;
1994 max_speed = min(max_speed, pdev->gadget.max_speed);
1996 ret = cdnsp_run(pdev, max_speed);
1998 if (pdev->link_state == XDEV_U3)
1999 __cdnsp_gadget_wakeup(pdev);
2001 spin_unlock_irqrestore(&pdev->lock, flags);