Lines Matching +full:additional +full:- +full:devs
1 // SPDX-License-Identifier: GPL-2.0
18 #include "xhci-trace.h"
54 bos->bLength = USB_DT_BOS_SIZE; in xhci_create_usb3x_bos_desc()
55 bos->bDescriptorType = USB_DT_BOS; in xhci_create_usb3x_bos_desc()
56 bos->wTotalLength = cpu_to_le16(USB_DT_BOS_SIZE + in xhci_create_usb3x_bos_desc()
58 bos->bNumDeviceCaps = 1; in xhci_create_usb3x_bos_desc()
61 for (i = 0; i < xhci->num_port_caps; i++) { in xhci_create_usb3x_bos_desc()
62 u8 major = xhci->port_caps[i].maj_rev; in xhci_create_usb3x_bos_desc()
63 u8 minor = xhci->port_caps[i].min_rev; in xhci_create_usb3x_bos_desc()
68 port_cap = &xhci->port_caps[i]; in xhci_create_usb3x_bos_desc()
73 if (port_cap->psi_count) { in xhci_create_usb3x_bos_desc()
76 for (i = 0; i < port_cap->psi_count; i++) { in xhci_create_usb3x_bos_desc()
77 if ((port_cap->psi[i] & PLT_MASK) == PLT_SYM) in xhci_create_usb3x_bos_desc()
81 ssac = port_cap->psi_count + num_sym_ssa - 1; in xhci_create_usb3x_bos_desc()
82 ssic = port_cap->psi_uid_count - 1; in xhci_create_usb3x_bos_desc()
89 ssic = (ssac + 1) / 2 - 1; in xhci_create_usb3x_bos_desc()
92 bos->bNumDeviceCaps++; in xhci_create_usb3x_bos_desc()
93 bos->wTotalLength = cpu_to_le16(USB_DT_BOS_SIZE + in xhci_create_usb3x_bos_desc()
103 ss_cap->bLength = USB_DT_USB_SS_CAP_SIZE; in xhci_create_usb3x_bos_desc()
104 ss_cap->bDescriptorType = USB_DT_DEVICE_CAPABILITY; in xhci_create_usb3x_bos_desc()
105 ss_cap->bDevCapabilityType = USB_SS_CAP_TYPE; in xhci_create_usb3x_bos_desc()
106 ss_cap->bmAttributes = 0; /* set later */ in xhci_create_usb3x_bos_desc()
107 ss_cap->wSpeedSupported = cpu_to_le16(USB_5GBPS_OPERATION); in xhci_create_usb3x_bos_desc()
108 ss_cap->bFunctionalitySupport = USB_LOW_SPEED_OPERATION; in xhci_create_usb3x_bos_desc()
109 ss_cap->bU1devExitLat = 0; /* set later */ in xhci_create_usb3x_bos_desc()
110 ss_cap->bU2DevExitLat = 0; /* set later */ in xhci_create_usb3x_bos_desc()
112 reg = readl(&xhci->cap_regs->hcc_params); in xhci_create_usb3x_bos_desc()
114 ss_cap->bmAttributes |= USB_LTM_SUPPORT; in xhci_create_usb3x_bos_desc()
116 if ((xhci->quirks & XHCI_LPM_SUPPORT)) { in xhci_create_usb3x_bos_desc()
117 reg = readl(&xhci->cap_regs->hcs_params3); in xhci_create_usb3x_bos_desc()
118 ss_cap->bU1devExitLat = HCS_U1_LATENCY(reg); in xhci_create_usb3x_bos_desc()
119 ss_cap->bU2DevExitLat = cpu_to_le16(HCS_U2_LATENCY(reg)); in xhci_create_usb3x_bos_desc()
122 if (wLength < le16_to_cpu(bos->wTotalLength)) in xhci_create_usb3x_bos_desc()
126 return le16_to_cpu(bos->wTotalLength); in xhci_create_usb3x_bos_desc()
130 ssp_cap->bLength = USB_DT_USB_SSP_CAP_SIZE(ssac); in xhci_create_usb3x_bos_desc()
131 ssp_cap->bDescriptorType = USB_DT_DEVICE_CAPABILITY; in xhci_create_usb3x_bos_desc()
132 ssp_cap->bDevCapabilityType = USB_SSP_CAP_TYPE; in xhci_create_usb3x_bos_desc()
133 ssp_cap->bReserved = 0; in xhci_create_usb3x_bos_desc()
134 ssp_cap->wReserved = 0; in xhci_create_usb3x_bos_desc()
135 ssp_cap->bmAttributes = in xhci_create_usb3x_bos_desc()
139 if (!port_cap->psi_count) { in xhci_create_usb3x_bos_desc()
141 ssp_cap->bmSublinkSpeedAttr[i] = in xhci_create_usb3x_bos_desc()
149 for (i = 0; i < port_cap->psi_count; i++) { in xhci_create_usb3x_bos_desc()
160 psi = port_cap->psi[i]; in xhci_create_usb3x_bos_desc()
201 u32 prev = port_cap->psi[i - 1]; in xhci_create_usb3x_bos_desc()
227 ssp_cap->bmSublinkSpeedAttr[offset++] = cpu_to_le32(attr); in xhci_create_usb3x_bos_desc()
232 ssp_cap->bmSublinkSpeedAttr[offset++] = cpu_to_le32(attr); in xhci_create_usb3x_bos_desc()
237 ssp_cap->bmSublinkSpeedAttr[offset++] = cpu_to_le32(attr); in xhci_create_usb3x_bos_desc()
242 ssp_cap->bmSublinkSpeedAttr[offset++] = cpu_to_le32(attr); in xhci_create_usb3x_bos_desc()
247 ssp_cap->wFunctionalitySupport = in xhci_create_usb3x_bos_desc()
253 return le16_to_cpu(bos->wTotalLength); in xhci_create_usb3x_bos_desc()
261 desc->bHubContrCurrent = 0; in xhci_common_hub_descriptor()
263 desc->bNbrPorts = ports; in xhci_common_hub_descriptor()
265 /* Bits 1:0 - support per-port power switching, or power always on */ in xhci_common_hub_descriptor()
266 if (HCC_PPC(xhci->hcc_params)) in xhci_common_hub_descriptor()
270 /* Bit 2 - root hubs are not part of a compound device */ in xhci_common_hub_descriptor()
271 /* Bits 4:3 - individual port over current protection */ in xhci_common_hub_descriptor()
273 /* Bits 6:5 - no TTs in root ports */ in xhci_common_hub_descriptor()
274 /* Bit 7 - no port indicators */ in xhci_common_hub_descriptor()
275 desc->wHubCharacteristics = cpu_to_le16(temp); in xhci_common_hub_descriptor()
289 rhub = &xhci->usb2_rhub; in xhci_usb2_hub_descriptor()
290 ports = rhub->num_ports; in xhci_usb2_hub_descriptor()
292 desc->bDescriptorType = USB_DT_HUB; in xhci_usb2_hub_descriptor()
294 desc->bDescLength = USB_DT_HUB_NONVAR_SIZE + 2 * temp; in xhci_usb2_hub_descriptor()
295 desc->bPwrOn2PwrGood = 10; /* xhci section 5.4.8 says 20ms */ in xhci_usb2_hub_descriptor()
302 portsc = readl(rhub->ports[i]->addr); in xhci_usb2_hub_descriptor()
323 memset(desc->u.hs.DeviceRemovable, 0xff, in xhci_usb2_hub_descriptor()
324 sizeof(desc->u.hs.DeviceRemovable)); in xhci_usb2_hub_descriptor()
325 memset(desc->u.hs.PortPwrCtrlMask, 0xff, in xhci_usb2_hub_descriptor()
326 sizeof(desc->u.hs.PortPwrCtrlMask)); in xhci_usb2_hub_descriptor()
329 memset(&desc->u.hs.DeviceRemovable[i], port_removable[i], in xhci_usb2_hub_descriptor()
343 rhub = &xhci->usb3_rhub; in xhci_usb3_hub_descriptor()
344 ports = rhub->num_ports; in xhci_usb3_hub_descriptor()
346 desc->bDescriptorType = USB_DT_SS_HUB; in xhci_usb3_hub_descriptor()
347 desc->bDescLength = USB_DT_SS_HUB_SIZE; in xhci_usb3_hub_descriptor()
348 desc->bPwrOn2PwrGood = 50; /* usb 3.1 may fail if less than 100ms */ in xhci_usb3_hub_descriptor()
353 desc->u.ss.bHubHdrDecLat = 0; in xhci_usb3_hub_descriptor()
354 desc->u.ss.wHubDelay = 0; in xhci_usb3_hub_descriptor()
359 portsc = readl(rhub->ports[i]->addr); in xhci_usb3_hub_descriptor()
364 desc->u.ss.DeviceRemovable = cpu_to_le16(port_removable); in xhci_usb3_hub_descriptor()
371 if (hcd->speed >= HCD_USB3) in xhci_hub_descriptor()
395 * connect status, over-current status, port speed, and device removable.
396 * connect status and port speed are also sticky - meaning they're in
416 * over-current, reset, link state, and L1 change
431 * xhci_port_state_to_neutral() - Clean up read portsc value back into writeable
447 /* Save read-only status and port state */ in xhci_port_state_to_neutral()
467 virt_dev = xhci->devs[slot_id]; in xhci_stop_device()
469 return -ENODEV; in xhci_stop_device()
475 return -ENOMEM; in xhci_stop_device()
477 spin_lock_irqsave(&xhci->lock, flags); in xhci_stop_device()
478 for (i = LAST_EP_INDEX; i > 0; i--) { in xhci_stop_device()
479 if (virt_dev->eps[i].ring && virt_dev->eps[i].ring->dequeue) { in xhci_stop_device()
483 ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->out_ctx, i); in xhci_stop_device()
491 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_stop_device()
492 ret = -ENOMEM; in xhci_stop_device()
499 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_stop_device()
507 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_stop_device()
512 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_stop_device()
515 wait_for_completion(cmd->completion); in xhci_stop_device()
517 if (cmd->status == COMP_COMMAND_ABORTED || in xhci_stop_device()
518 cmd->status == COMP_COMMAND_RING_STOPPED) { in xhci_stop_device()
520 ret = -ETIME; in xhci_stop_device()
537 ep = &xhci->devs[slot_id]->eps[i]; in xhci_ring_device()
539 if (ep->ep_state & EP_HAS_STREAMS) { in xhci_ring_device()
540 for (s = 1; s < ep->stream_info->num_streams; s++) in xhci_ring_device()
542 } else if (ep->ring && ep->ring->dequeue) { in xhci_ring_device()
555 hcd = port->rhub->hcd; in xhci_disable_port()
558 if (hcd->speed >= HCD_USB3) { in xhci_disable_port()
563 if (xhci->quirks & XHCI_BROKEN_PORT_PED) { in xhci_disable_port()
569 portsc = readl(port->addr); in xhci_disable_port()
573 writel(portsc | PORT_PE, port->addr); in xhci_disable_port()
575 portsc = readl(port->addr); in xhci_disable_port()
576 xhci_dbg(xhci, "disable port %d-%d, portsc: 0x%x\n", in xhci_disable_port()
577 hcd->self.busnum, port->hcd_portnum + 1, portsc); in xhci_disable_port()
601 port_change_bit = "over-current"; in xhci_clear_port_change_bit()
635 if (hcd->speed >= HCD_USB3) in xhci_get_rhub()
636 return &xhci->usb3_rhub; in xhci_get_rhub()
637 return &xhci->usb2_rhub; in xhci_get_rhub()
641 * xhci_set_port_power() must be called with xhci->lock held.
642 * It will release and re-aquire the lock while calling ACPI
647 __must_hold(&xhci->lock) in xhci_set_port_power()
652 hcd = port->rhub->hcd; in xhci_set_port_power()
653 temp = readl(port->addr); in xhci_set_port_power()
655 xhci_dbg(xhci, "set port power %d-%d %s, portsc: 0x%x\n", in xhci_set_port_power()
656 hcd->self.busnum, port->hcd_portnum + 1, on ? "ON" : "OFF", temp); in xhci_set_port_power()
662 writel(temp | PORT_POWER, port->addr); in xhci_set_port_power()
663 readl(port->addr); in xhci_set_port_power()
666 writel(temp & ~PORT_POWER, port->addr); in xhci_set_port_power()
669 spin_unlock_irqrestore(&xhci->lock, *flags); in xhci_set_port_power()
670 temp = usb_acpi_power_manageable(hcd->self.root_hub, in xhci_set_port_power()
671 port->hcd_portnum); in xhci_set_port_power()
673 usb_acpi_set_power_state(hcd->self.root_hub, in xhci_set_port_power()
674 port->hcd_portnum, on); in xhci_set_port_power()
675 spin_lock_irqsave(&xhci->lock, *flags); in xhci_set_port_power()
685 port = xhci->usb2_rhub.ports[wIndex]; in xhci_port_set_test_mode()
686 temp = readl(port->addr + PORTPMSC); in xhci_port_set_test_mode()
688 writel(temp, port->addr + PORTPMSC); in xhci_port_set_test_mode()
689 xhci->test_mode = test_mode; in xhci_port_set_test_mode()
696 __must_hold(&xhci->lock) in xhci_enter_test_mode()
702 spin_unlock_irqrestore(&xhci->lock, *flags); in xhci_enter_test_mode()
703 for (i = 1; i <= HCS_MAX_SLOTS(xhci->hcs_params1); i++) { in xhci_enter_test_mode()
704 if (!xhci->devs[i]) in xhci_enter_test_mode()
712 spin_lock_irqsave(&xhci->lock, *flags); in xhci_enter_test_mode()
716 for (i = 0; i < xhci->usb3_rhub.num_ports; i++) in xhci_enter_test_mode()
717 xhci_set_port_power(xhci, xhci->usb3_rhub.ports[i], false, flags); in xhci_enter_test_mode()
719 for (i = 0; i < xhci->usb2_rhub.num_ports; i++) in xhci_enter_test_mode()
720 xhci_set_port_power(xhci, xhci->usb2_rhub.ports[i], false, flags); in xhci_enter_test_mode()
727 pm_runtime_forbid(xhci_to_hcd(xhci)->self.controller); in xhci_enter_test_mode()
740 if (!xhci->test_mode) { in xhci_exit_test_mode()
744 if (xhci->test_mode == USB_TEST_FORCE_ENABLE && in xhci_exit_test_mode()
745 !(xhci->xhc_state & XHCI_STATE_HALTED)) { in xhci_exit_test_mode()
750 pm_runtime_allow(xhci_to_hcd(xhci)->self.controller); in xhci_exit_test_mode()
751 xhci->test_mode = 0; in xhci_exit_test_mode()
756 * xhci_port_is_tunneled() - Check if USB3 connection is tunneled over USB4
777 /* Don't try and probe this capability for non-Intel hosts */ in xhci_port_is_tunneled()
779 if (!dev_is_pci(hcd->self.controller) || in xhci_port_is_tunneled()
780 to_pci_dev(hcd->self.controller)->vendor != PCI_VENDOR_ID_INTEL) in xhci_port_is_tunneled()
783 base = &xhci->cap_regs->hc_capbase; in xhci_port_is_tunneled()
787 offset = XHCI_INTEL_SPR_ESS_PORT_OFFSET + port->hcd_portnum * 0x20; in xhci_port_is_tunneled()
804 portsc = readl(port->addr); in xhci_set_link_state()
808 writel(temp, port->addr); in xhci_set_link_state()
810 xhci_dbg(xhci, "Set port %d-%d link state, portsc: 0x%x, write 0x%x", in xhci_set_link_state()
811 port->rhub->hcd->self.busnum, port->hcd_portnum + 1, in xhci_set_link_state()
820 temp = readl(port->addr); in xhci_set_remote_wake_mask()
838 writel(temp, port->addr); in xhci_set_remote_wake_mask()
847 temp = readl(port->addr); in xhci_test_and_clear_bit()
851 writel(temp, port->addr); in xhci_test_and_clear_bit()
876 /* Return also connection bit - in xhci_hub_report_usb3_link_state()
898 * caused by a delay on the host-device negotiation. in xhci_hub_report_usb3_link_state()
900 if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && in xhci_hub_report_usb3_link_state()
919 u32 all_ports_seen_u0 = ((1 << xhci->usb3_rhub.num_ports) - 1); in xhci_del_comp_mod_timer()
922 if (!(xhci->quirks & XHCI_COMP_MODE_QUIRK)) in xhci_del_comp_mod_timer()
925 if ((xhci->port_status_u0 != all_ports_seen_u0) && port_in_u0) { in xhci_del_comp_mod_timer()
926 xhci->port_status_u0 |= 1 << wIndex; in xhci_del_comp_mod_timer()
927 if (xhci->port_status_u0 == all_ports_seen_u0) { in xhci_del_comp_mod_timer()
928 timer_delete_sync(&xhci->comp_mode_recovery_timer); in xhci_del_comp_mod_timer()
946 hcd = port->rhub->hcd; in xhci_handle_usb2_port_link_resume()
947 bus_state = &port->rhub->bus_state; in xhci_handle_usb2_port_link_resume()
949 wIndex = port->hcd_portnum; in xhci_handle_usb2_port_link_resume()
952 return -EINVAL; in xhci_handle_usb2_port_link_resume()
955 if (!port->resume_timestamp) { in xhci_handle_usb2_port_link_resume()
957 if (test_bit(wIndex, &bus_state->resuming_ports)) { in xhci_handle_usb2_port_link_resume()
971 set_bit(wIndex, &bus_state->resuming_ports); in xhci_handle_usb2_port_link_resume()
972 port->resume_timestamp = timeout; in xhci_handle_usb2_port_link_resume()
973 mod_timer(&hcd->rh_timer, timeout); in xhci_handle_usb2_port_link_resume()
974 usb_hcd_start_port_resume(&hcd->self, wIndex); in xhci_handle_usb2_port_link_resume()
977 } else if (time_after_eq(jiffies, port->resume_timestamp)) { in xhci_handle_usb2_port_link_resume()
980 xhci_dbg(xhci, "resume USB2 port %d-%d\n", in xhci_handle_usb2_port_link_resume()
981 hcd->self.busnum, wIndex + 1); in xhci_handle_usb2_port_link_resume()
983 port->resume_timestamp = 0; in xhci_handle_usb2_port_link_resume()
984 clear_bit(wIndex, &bus_state->resuming_ports); in xhci_handle_usb2_port_link_resume()
986 reinit_completion(&port->rexit_done); in xhci_handle_usb2_port_link_resume()
987 port->rexit_active = true; in xhci_handle_usb2_port_link_resume()
992 spin_unlock_irqrestore(&xhci->lock, *flags); in xhci_handle_usb2_port_link_resume()
994 &port->rexit_done, in xhci_handle_usb2_port_link_resume()
996 spin_lock_irqsave(&xhci->lock, *flags); in xhci_handle_usb2_port_link_resume()
999 if (!port->slot_id) { in xhci_handle_usb2_port_link_resume()
1001 return -ENODEV; in xhci_handle_usb2_port_link_resume()
1003 xhci_ring_device(xhci, port->slot_id); in xhci_handle_usb2_port_link_resume()
1005 int port_status = readl(port->addr); in xhci_handle_usb2_port_link_resume()
1007 xhci_warn(xhci, "Port resume timed out, port %d-%d: 0x%x\n", in xhci_handle_usb2_port_link_resume()
1008 hcd->self.busnum, wIndex + 1, port_status); in xhci_handle_usb2_port_link_resume()
1017 usb_hcd_end_port_resume(&hcd->self, wIndex); in xhci_handle_usb2_port_link_resume()
1018 bus_state->port_c_suspend |= 1 << wIndex; in xhci_handle_usb2_port_link_resume()
1019 bus_state->suspended_ports &= ~(1 << wIndex); in xhci_handle_usb2_port_link_resume()
1050 bus_state = &port->rhub->bus_state; in xhci_get_usb3_port_status()
1051 xhci = hcd_to_xhci(port->rhub->hcd); in xhci_get_usb3_port_status()
1052 hcd = port->rhub->hcd; in xhci_get_usb3_port_status()
1054 portnum = port->hcd_portnum; in xhci_get_usb3_port_status()
1081 if (bus_state->port_remote_wakeup & (1 << portnum)) { in xhci_get_usb3_port_status()
1082 bus_state->port_remote_wakeup &= ~(1 << portnum); in xhci_get_usb3_port_status()
1083 usb_hcd_end_port_resume(&hcd->self, portnum); in xhci_get_usb3_port_status()
1085 bus_state->suspended_ports &= ~(1 << portnum); in xhci_get_usb3_port_status()
1100 bus_state = &port->rhub->bus_state; in xhci_get_usb2_port_status()
1102 portnum = port->hcd_portnum; in xhci_get_usb2_port_status()
1114 if (bus_state->suspended_ports & (1 << portnum)) { in xhci_get_usb2_port_status()
1115 bus_state->suspended_ports &= ~(1 << portnum); in xhci_get_usb2_port_status()
1116 bus_state->port_c_suspend |= 1 << portnum; in xhci_get_usb2_port_status()
1124 else if (port->resume_timestamp || port->rexit_active) in xhci_get_usb2_port_status()
1135 if (port->resume_timestamp || in xhci_get_usb2_port_status()
1136 test_bit(portnum, &bus_state->resuming_ports)) { in xhci_get_usb2_port_status()
1137 port->resume_timestamp = 0; in xhci_get_usb2_port_status()
1138 clear_bit(portnum, &bus_state->resuming_ports); in xhci_get_usb2_port_status()
1139 usb_hcd_end_port_resume(&port->rhub->hcd->self, portnum); in xhci_get_usb2_port_status()
1141 port->rexit_active = 0; in xhci_get_usb2_port_status()
1142 bus_state->suspended_ports &= ~(1 << portnum); in xhci_get_usb2_port_status()
1151 * - Mark a port as being done with device resume,
1153 * - Stop the Synopsys redriver Compliance Mode polling.
1154 * - Drop and reacquire the xHCI lock, in order to wait for port resume.
1160 __releases(&xhci->lock) in xhci_get_port_status()
1161 __acquires(&xhci->lock) in xhci_get_port_status()
1168 port = rhub->ports[wIndex]; in xhci_get_port_status()
1193 if (hcd->speed >= HCD_USB3) in xhci_get_port_status()
1199 if (bus_state->port_c_suspend & (1 << wIndex)) in xhci_get_port_status()
1224 ports = rhub->ports; in xhci_hub_control()
1225 max_ports = rhub->num_ports; in xhci_hub_control()
1226 bus_state = &rhub->bus_state; in xhci_hub_control()
1229 spin_lock_irqsave(&xhci->lock, flags); in xhci_hub_control()
1232 /* No power source, over-current reported per port */ in xhci_hub_control()
1240 if (hcd->speed >= HCD_USB3 && in xhci_hub_control()
1254 if (hcd->speed < HCD_USB3) in xhci_hub_control()
1258 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_hub_control()
1264 wIndex--; in xhci_hub_control()
1265 port = ports[portnum1 - 1]; in xhci_hub_control()
1266 temp = readl(port->addr); in xhci_hub_control()
1269 retval = -ENODEV; in xhci_hub_control()
1278 xhci_dbg(xhci, "Get port status %d-%d read: 0x%x, return 0x%x", in xhci_hub_control()
1279 hcd->self.busnum, portnum1, temp, status); in xhci_hub_control()
1282 /* if USB 3.1 extended port status return additional 4 bytes */ in xhci_hub_control()
1286 if (hcd->speed < HCD_USB31 || wLength != 8) { in xhci_hub_control()
1288 retval = -EINVAL; in xhci_hub_control()
1291 port_li = readl(port->addr + PORTLI); in xhci_hub_control()
1310 port = ports[portnum1 - 1]; in xhci_hub_control()
1311 wIndex--; in xhci_hub_control()
1312 temp = readl(port->addr); in xhci_hub_control()
1315 retval = -ENODEV; in xhci_hub_control()
1322 temp = readl(port->addr); in xhci_hub_control()
1326 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_hub_control()
1328 spin_lock_irqsave(&xhci->lock, flags); in xhci_hub_control()
1334 temp = readl(port->addr); in xhci_hub_control()
1337 xhci_warn(xhci, "USB core suspending port %d-%d not in U0/U1/U2\n", in xhci_hub_control()
1338 hcd->self.busnum, portnum1); in xhci_hub_control()
1342 if (!port->slot_id) { in xhci_hub_control()
1347 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_hub_control()
1348 xhci_stop_device(xhci, port->slot_id, 1); in xhci_hub_control()
1349 spin_lock_irqsave(&xhci->lock, flags); in xhci_hub_control()
1353 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_hub_control()
1355 spin_lock_irqsave(&xhci->lock, flags); in xhci_hub_control()
1357 temp = readl(port->addr); in xhci_hub_control()
1358 bus_state->suspended_ports |= 1 << wIndex; in xhci_hub_control()
1361 temp = readl(port->addr); in xhci_hub_control()
1364 xhci_dbg(xhci, "Disable port %d-%d\n", in xhci_hub_control()
1365 hcd->self.busnum, portnum1); in xhci_hub_control()
1374 writel(temp | PORT_PE, port->addr); in xhci_hub_control()
1375 temp = readl(port->addr); in xhci_hub_control()
1381 xhci_dbg(xhci, "Enable port %d-%d\n", in xhci_hub_control()
1382 hcd->self.busnum, portnum1); in xhci_hub_control()
1384 temp = readl(port->addr); in xhci_hub_control()
1403 if (!HCC2_CTC(xhci->hcc_params2)) { in xhci_hub_control()
1413 xhci_dbg(xhci, "Enable compliance mode transition for port %d-%d\n", in xhci_hub_control()
1414 hcd->self.busnum, portnum1); in xhci_hub_control()
1417 temp = readl(port->addr); in xhci_hub_control()
1422 retval = -ENODEV; in xhci_hub_control()
1427 xhci_warn(xhci, "Cannot set port %d-%d link state %d\n", in xhci_hub_control()
1428 hcd->self.busnum, portnum1, link_state); in xhci_hub_control()
1450 reinit_completion(&port->u3exit_done); in xhci_hub_control()
1459 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_hub_control()
1460 if (!wait_for_completion_timeout(&port->u3exit_done, in xhci_hub_control()
1462 xhci_dbg(xhci, "missing U0 port change event for port %d-%d\n", in xhci_hub_control()
1463 hcd->self.busnum, portnum1); in xhci_hub_control()
1464 spin_lock_irqsave(&xhci->lock, flags); in xhci_hub_control()
1465 temp = readl(port->addr); in xhci_hub_control()
1471 if (port->slot_id) { in xhci_hub_control()
1474 spin_unlock_irqrestore(&xhci->lock, in xhci_hub_control()
1476 xhci_stop_device(xhci, port->slot_id, 1); in xhci_hub_control()
1477 spin_lock_irqsave(&xhci->lock, flags); in xhci_hub_control()
1480 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_hub_control()
1481 while (retries--) { in xhci_hub_control()
1483 temp = readl(port->addr); in xhci_hub_control()
1487 spin_lock_irqsave(&xhci->lock, flags); in xhci_hub_control()
1488 temp = readl(port->addr); in xhci_hub_control()
1489 bus_state->suspended_ports |= 1 << wIndex; in xhci_hub_control()
1494 * Turn on ports, even if there isn't per-port switching. in xhci_hub_control()
1503 writel(temp, port->addr); in xhci_hub_control()
1505 temp = readl(port->addr); in xhci_hub_control()
1506 xhci_dbg(xhci, "set port reset, actual port %d-%d status = 0x%x\n", in xhci_hub_control()
1507 hcd->self.busnum, portnum1, temp); in xhci_hub_control()
1511 temp = readl(port->addr); in xhci_hub_control()
1512 xhci_dbg(xhci, "set port remote wake mask, actual port %d-%d status = 0x%x\n", in xhci_hub_control()
1513 hcd->self.busnum, portnum1, temp); in xhci_hub_control()
1517 writel(temp, port->addr); in xhci_hub_control()
1518 temp = readl(port->addr); in xhci_hub_control()
1521 if (hcd->speed < HCD_USB3) in xhci_hub_control()
1523 temp = readl(port->addr + PORTPMSC); in xhci_hub_control()
1526 writel(temp, port->addr + PORTPMSC); in xhci_hub_control()
1529 if (hcd->speed < HCD_USB3) in xhci_hub_control()
1531 temp = readl(port->addr + PORTPMSC); in xhci_hub_control()
1534 writel(temp, port->addr + PORTPMSC); in xhci_hub_control()
1538 if (hcd->speed != HCD_USB2) in xhci_hub_control()
1550 temp = readl(port->addr); in xhci_hub_control()
1556 port = ports[portnum1 - 1]; in xhci_hub_control()
1558 wIndex--; in xhci_hub_control()
1559 temp = readl(port->addr); in xhci_hub_control()
1562 retval = -ENODEV; in xhci_hub_control()
1569 temp = readl(port->addr); in xhci_hub_control()
1578 set_bit(wIndex, &bus_state->resuming_ports); in xhci_hub_control()
1579 usb_hcd_start_port_resume(&hcd->self, wIndex); in xhci_hub_control()
1581 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_hub_control()
1583 spin_lock_irqsave(&xhci->lock, flags); in xhci_hub_control()
1585 clear_bit(wIndex, &bus_state->resuming_ports); in xhci_hub_control()
1586 usb_hcd_end_port_resume(&hcd->self, wIndex); in xhci_hub_control()
1588 bus_state->port_c_suspend |= 1 << wIndex; in xhci_hub_control()
1590 if (!port->slot_id) { in xhci_hub_control()
1594 xhci_ring_device(xhci, port->slot_id); in xhci_hub_control()
1597 bus_state->port_c_suspend &= ~(1 << wIndex); in xhci_hub_control()
1607 port->addr, temp); in xhci_hub_control()
1625 retval = -EPIPE; in xhci_hub_control()
1627 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_hub_control()
1634 * Ports are 0-indexed from the HCD point of view,
1635 * and 1-indexed from the USB core pointer of view.
1654 ports = rhub->ports; in xhci_hub_status_data()
1655 max_ports = rhub->num_ports; in xhci_hub_status_data()
1656 bus_state = &rhub->bus_state; in xhci_hub_status_data()
1663 * Inform the usbcore about resume-in-progress by returning in xhci_hub_status_data()
1664 * a non-zero value even if there are no status changes. in xhci_hub_status_data()
1666 spin_lock_irqsave(&xhci->lock, flags); in xhci_hub_status_data()
1668 status = bus_state->resuming_ports; in xhci_hub_status_data()
1674 if (xhci->run_graceperiod) { in xhci_hub_status_data()
1675 if (time_before(jiffies, xhci->run_graceperiod)) in xhci_hub_status_data()
1678 xhci->run_graceperiod = 0; in xhci_hub_status_data()
1685 temp = readl(ports[i]->addr); in xhci_hub_status_data()
1688 retval = -ENODEV; in xhci_hub_status_data()
1694 (bus_state->port_c_suspend & 1 << i) || in xhci_hub_status_data()
1695 (ports[i]->resume_timestamp && time_after_eq( in xhci_hub_status_data()
1696 jiffies, ports[i]->resume_timestamp))) { in xhci_hub_status_data()
1707 __func__, hcd->self.busnum); in xhci_hub_status_data()
1708 clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); in xhci_hub_status_data()
1710 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_hub_status_data()
1728 ports = rhub->ports; in xhci_bus_suspend()
1729 max_ports = rhub->num_ports; in xhci_bus_suspend()
1730 bus_state = &rhub->bus_state; in xhci_bus_suspend()
1731 wake_enabled = hcd->self.root_hub->do_remote_wakeup; in xhci_bus_suspend()
1733 spin_lock_irqsave(&xhci->lock, flags); in xhci_bus_suspend()
1736 if (bus_state->resuming_ports || /* USB2 */ in xhci_bus_suspend()
1737 bus_state->port_remote_wakeup) { /* USB3 */ in xhci_bus_suspend()
1738 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_bus_suspend()
1740 hcd->self.busnum); in xhci_bus_suspend()
1741 return -EBUSY; in xhci_bus_suspend()
1748 bus_state->bus_suspended = 0; in xhci_bus_suspend()
1750 while (port_index--) { in xhci_bus_suspend()
1754 t1 = readl(ports[port_index]->addr); in xhci_bus_suspend()
1762 if ((hcd->speed >= HCD_USB3) && retries-- && in xhci_bus_suspend()
1764 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_bus_suspend()
1766 spin_lock_irqsave(&xhci->lock, flags); in xhci_bus_suspend()
1767 xhci_dbg(xhci, "port %d-%d polling in bus suspend, waiting\n", in xhci_bus_suspend()
1768 hcd->self.busnum, port_index + 1); in xhci_bus_suspend()
1771 /* bail out if port detected a over-current condition */ in xhci_bus_suspend()
1773 bus_state->bus_suspended = 0; in xhci_bus_suspend()
1774 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_bus_suspend()
1775 xhci_dbg(xhci, "Bus suspend bailout, port over-current detected\n"); in xhci_bus_suspend()
1776 return -EBUSY; in xhci_bus_suspend()
1781 bus_state->bus_suspended = 0; in xhci_bus_suspend()
1782 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_bus_suspend()
1784 return -EBUSY; in xhci_bus_suspend()
1786 xhci_dbg(xhci, "port %d-%d not suspended\n", in xhci_bus_suspend()
1787 hcd->self.busnum, port_index + 1); in xhci_bus_suspend()
1790 set_bit(port_index, &bus_state->bus_suspended); in xhci_bus_suspend()
1805 if ((xhci->quirks & XHCI_U2_DISABLE_WAKE) && in xhci_bus_suspend()
1806 (hcd->speed < HCD_USB3)) { in xhci_bus_suspend()
1807 if (usb_amd_pt_check_port(hcd->self.controller, in xhci_bus_suspend()
1821 while (port_index--) { in xhci_bus_suspend()
1824 if (test_bit(port_index, &bus_state->bus_suspended)) { in xhci_bus_suspend()
1825 int slot_id = ports[port_index]->slot_id; in xhci_bus_suspend()
1827 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_bus_suspend()
1829 spin_lock_irqsave(&xhci->lock, flags); in xhci_bus_suspend()
1832 writel(portsc_buf[port_index], ports[port_index]->addr); in xhci_bus_suspend()
1834 hcd->state = HC_STATE_SUSPENDED; in xhci_bus_suspend()
1835 bus_state->next_statechange = jiffies + msecs_to_jiffies(10); in xhci_bus_suspend()
1836 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_bus_suspend()
1838 if (bus_state->bus_suspended) in xhci_bus_suspend()
1845 * Workaround for missing Cold Attach Status (CAS) if device re-plugged in S3.
1847 * See Intel 100/c230 series PCH specification update Doc #332692-006 Errata #8
1853 portsc = readl(port->addr); in xhci_port_missing_cas_quirk()
1866 writel(portsc, port->addr); in xhci_port_missing_cas_quirk()
1868 readl(port->addr); in xhci_port_missing_cas_quirk()
1886 ports = rhub->ports; in xhci_bus_resume()
1887 max_ports = rhub->num_ports; in xhci_bus_resume()
1888 bus_state = &rhub->bus_state; in xhci_bus_resume()
1890 if (time_before(jiffies, bus_state->next_statechange)) in xhci_bus_resume()
1893 spin_lock_irqsave(&xhci->lock, flags); in xhci_bus_resume()
1895 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_bus_resume()
1896 return -ESHUTDOWN; in xhci_bus_resume()
1900 if (hcd->speed >= HCD_USB3) { in xhci_bus_resume()
1904 if (bus_state->bus_suspended) { in xhci_bus_resume()
1909 xhci_disable_interrupter(xhci, xhci->interrupters[0]); in xhci_bus_resume()
1914 while (port_index--) { in xhci_bus_resume()
1915 portsc = readl(ports[port_index]->addr); in xhci_bus_resume()
1918 if ((xhci->quirks & XHCI_MISSING_CAS) && in xhci_bus_resume()
1919 (hcd->speed >= HCD_USB3) && in xhci_bus_resume()
1921 xhci_dbg(xhci, "reset stuck port %d-%d\n", in xhci_bus_resume()
1922 hcd->self.busnum, port_index + 1); in xhci_bus_resume()
1923 clear_bit(port_index, &bus_state->bus_suspended); in xhci_bus_resume()
1927 if (test_bit(port_index, &bus_state->bus_suspended)) in xhci_bus_resume()
1940 &bus_state->bus_suspended); in xhci_bus_resume()
1945 writel(portsc, ports[port_index]->addr); in xhci_bus_resume()
1949 if (hcd->speed < HCD_USB3) { in xhci_bus_resume()
1950 if (bus_state->bus_suspended) { in xhci_bus_resume()
1951 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_bus_resume()
1953 spin_lock_irqsave(&xhci->lock, flags); in xhci_bus_resume()
1955 for_each_set_bit(port_index, &bus_state->bus_suspended, in xhci_bus_resume()
1965 for_each_set_bit(port_index, &bus_state->bus_suspended, BITS_PER_LONG) { in xhci_bus_resume()
1966 sret = xhci_handshake(ports[port_index]->addr, PORT_PLC, in xhci_bus_resume()
1969 xhci_warn(xhci, "port %d-%d resume PLC timeout\n", in xhci_bus_resume()
1970 hcd->self.busnum, port_index + 1); in xhci_bus_resume()
1974 if (ports[port_index]->slot_id) in xhci_bus_resume()
1975 xhci_ring_device(xhci, ports[port_index]->slot_id); in xhci_bus_resume()
1977 (void) readl(&xhci->op_regs->command); in xhci_bus_resume()
1979 bus_state->next_statechange = jiffies + msecs_to_jiffies(5); in xhci_bus_resume()
1980 /* re-enable interrupter */ in xhci_bus_resume()
1982 xhci_enable_interrupter(xhci->interrupters[0]); in xhci_bus_resume()
1984 spin_unlock_irqrestore(&xhci->lock, flags); in xhci_bus_resume()
1993 return rhub->bus_state.resuming_ports; /* USB2 ports only */ in xhci_get_resuming_ports()