Lines Matching full:xhci
3 * xHCI host controller driver PCI Bus Glue.
18 #include "xhci.h"
19 #include "xhci-trace.h"
20 #include "xhci-pci.h"
107 static void xhci_msix_sync_irqs(struct xhci_hcd *xhci) in xhci_msix_sync_irqs() argument
109 struct usb_hcd *hcd = xhci_to_hcd(xhci); in xhci_msix_sync_irqs()
120 static void xhci_cleanup_msix(struct xhci_hcd *xhci) in xhci_cleanup_msix() argument
122 struct usb_hcd *hcd = xhci_to_hcd(xhci); in xhci_cleanup_msix()
128 free_irq(pci_irq_vector(pdev, 0), xhci_to_hcd(xhci)); in xhci_cleanup_msix()
137 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_try_enable_msi() local
144 if (xhci->quirks & XHCI_BROKEN_MSI) in xhci_try_enable_msi()
155 * with max number of interrupters based on the xhci HCSPARAMS1. in xhci_try_enable_msi()
159 xhci->nvecs = min(num_online_cpus() + 1, in xhci_try_enable_msi()
160 HCS_MAX_INTRS(xhci->hcs_params1)); in xhci_try_enable_msi()
163 xhci->nvecs = pci_alloc_irq_vectors(pdev, 1, xhci->nvecs, in xhci_try_enable_msi()
165 if (xhci->nvecs < 0) { in xhci_try_enable_msi()
166 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_try_enable_msi()
172 xhci_to_hcd(xhci)); in xhci_try_enable_msi()
181 xhci_dbg_trace(xhci, trace_xhci_dbg_init, "disable %s interrupt", in xhci_try_enable_msi()
187 xhci_err(xhci, "No msi-x/msi found and no IRQ in BIOS\n"); in xhci_try_enable_msi()
198 xhci_err(xhci, "request interrupt %d failed\n", pdev->irq); in xhci_try_enable_msi()
220 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_stop() local
225 xhci_cleanup_msix(xhci); in xhci_pci_stop()
229 static int xhci_pci_reinit(struct xhci_hcd *xhci, struct pci_dev *pdev) in xhci_pci_reinit() argument
239 xhci_dbg(xhci, "MWI active\n"); in xhci_pci_reinit()
241 xhci_dbg(xhci, "Finished xhci_pci_reinit\n"); in xhci_pci_reinit()
245 static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) in xhci_pci_quirks() argument
255 xhci->quirks |= XHCI_RESET_EP_QUIRK; in xhci_pci_quirks()
256 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_pci_quirks()
261 xhci->quirks |= XHCI_SLOW_SUSPEND; in xhci_pci_quirks()
262 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_pci_quirks()
268 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
273 xhci->quirks |= XHCI_BROKEN_MSI; in xhci_pci_quirks()
274 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_pci_quirks()
282 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
285 xhci->quirks |= XHCI_NEC_HOST; in xhci_pci_quirks()
287 if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version == 0x96) in xhci_pci_quirks()
288 xhci->quirks |= XHCI_AMD_0x96_HOST; in xhci_pci_quirks()
292 xhci->quirks |= XHCI_AMD_PLL_FIX; in xhci_pci_quirks()
299 xhci->quirks |= XHCI_SUSPEND_DELAY; in xhci_pci_quirks()
303 xhci->quirks |= XHCI_SNPS_BROKEN_SUSPEND; in xhci_pci_quirks()
306 xhci->quirks |= XHCI_DISABLE_SPARSE; in xhci_pci_quirks()
307 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
311 xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; in xhci_pci_quirks()
318 xhci->quirks |= XHCI_U2_DISABLE_WAKE; in xhci_pci_quirks()
322 xhci->quirks |= XHCI_BROKEN_D3COLD_S2I; in xhci_pci_quirks()
325 xhci->quirks |= XHCI_LPM_SUPPORT; in xhci_pci_quirks()
326 xhci->quirks |= XHCI_INTEL_HOST; in xhci_pci_quirks()
327 xhci->quirks |= XHCI_AVOID_BEI; in xhci_pci_quirks()
331 xhci->quirks |= XHCI_EP_LIMIT_QUIRK; in xhci_pci_quirks()
332 xhci->limit_active_eps = 64; in xhci_pci_quirks()
333 xhci->quirks |= XHCI_SW_BW_CHECKING; in xhci_pci_quirks()
337 * switch the ports from xHCI to EHCI on shutdown. We can't use in xhci_pci_quirks()
342 xhci->quirks |= XHCI_SPURIOUS_REBOOT; in xhci_pci_quirks()
347 xhci->quirks |= XHCI_SPURIOUS_REBOOT; in xhci_pci_quirks()
348 xhci->quirks |= XHCI_SPURIOUS_WAKEUP; in xhci_pci_quirks()
359 xhci->quirks |= XHCI_PME_STUCK_QUIRK; in xhci_pci_quirks()
363 xhci->quirks |= XHCI_SSIC_PORT_UNUSED; in xhci_pci_quirks()
368 xhci->quirks |= XHCI_INTEL_USB_ROLE_SW; in xhci_pci_quirks()
375 xhci->quirks |= XHCI_MISSING_CAS; in xhci_pci_quirks()
381 xhci->quirks |= XHCI_RESET_TO_DEFAULT; in xhci_pci_quirks()
395 xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; in xhci_pci_quirks()
399 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
400 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
404 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
405 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
410 xhci->quirks |= XHCI_ZERO_64B_REGS; in xhci_pci_quirks()
414 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
415 xhci->quirks |= XHCI_ZERO_64B_REGS; in xhci_pci_quirks()
418 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
422 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
427 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
430 xhci->quirks |= XHCI_LPM_SUPPORT; in xhci_pci_quirks()
438 xhci->quirks |= XHCI_SPURIOUS_SUCCESS; in xhci_pci_quirks()
439 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
443 xhci->quirks |= XHCI_NO_64BIT_SUPPORT; in xhci_pci_quirks()
449 xhci->quirks |= XHCI_NO_64BIT_SUPPORT; in xhci_pci_quirks()
453 xhci->quirks |= XHCI_ASMEDIA_MODIFY_FLOWCONTROL; in xhci_pci_quirks()
457 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
460 xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_7; in xhci_pci_quirks()
465 xhci->quirks |= XHCI_RESET_PLL_ON_DISCONNECT; in xhci_pci_quirks()
470 xhci->quirks |= XHCI_NO_SOFT_RETRY; in xhci_pci_quirks()
473 xhci->quirks |= XHCI_ZHAOXIN_HOST; in xhci_pci_quirks()
474 xhci->quirks |= XHCI_LPM_SUPPORT; in xhci_pci_quirks()
477 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
478 xhci->quirks |= XHCI_ZHAOXIN_TRB_FETCH; in xhci_pci_quirks()
482 xhci->quirks |= XHCI_ZHAOXIN_TRB_FETCH; in xhci_pci_quirks()
487 xhci->quirks |= XHCI_CDNS_SCTX_QUIRK; in xhci_pci_quirks()
490 if (xhci->hci_version >= 0x120) in xhci_pci_quirks()
491 xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; in xhci_pci_quirks()
493 if (xhci->quirks & XHCI_RESET_ON_RESUME) in xhci_pci_quirks()
494 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_pci_quirks()
513 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_find_lpm_incapable_ports() local
514 struct xhci_hub *rhub = &xhci->usb3_rhub; in xhci_find_lpm_incapable_ports()
547 struct xhci_hcd *xhci; in xhci_pci_setup() local
552 xhci = hcd_to_xhci(hcd); in xhci_pci_setup()
555 xhci->imod_interval = 40000; in xhci_pci_setup()
564 if (xhci->quirks & XHCI_PME_STUCK_QUIRK) in xhci_pci_setup()
568 xhci_dbg(xhci, "Got SBRN %u\n", (unsigned int)sbrn); in xhci_pci_setup()
571 return xhci_pci_reinit(xhci, pdev); in xhci_pci_setup()
586 * function) in order to create a second roothub under xHCI.
591 struct xhci_hcd *xhci; in xhci_pci_common_probe() local
616 xhci = hcd_to_xhci(hcd); in xhci_pci_common_probe()
617 xhci->reset = reset; in xhci_pci_common_probe()
618 xhci->shared_hcd = usb_create_shared_hcd(&xhci_pci_hc_driver, &dev->dev, in xhci_pci_common_probe()
620 if (!xhci->shared_hcd) { in xhci_pci_common_probe()
625 retval = xhci_ext_cap_init(xhci); in xhci_pci_common_probe()
629 retval = usb_add_hcd(xhci->shared_hcd, dev->irq, in xhci_pci_common_probe()
635 if (!(xhci->quirks & XHCI_BROKEN_STREAMS) && in xhci_pci_common_probe()
636 HCC_MAX_PSA(xhci->hcc_params) >= 4) in xhci_pci_common_probe()
637 xhci->shared_hcd->can_do_streams = 1; in xhci_pci_common_probe()
644 else if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW) in xhci_pci_common_probe()
652 usb_put_hcd(xhci->shared_hcd); in xhci_pci_common_probe()
659 EXPORT_SYMBOL_NS_GPL(xhci_pci_common_probe, xhci);
662 /* handled by xhci-pci-renesas */
678 struct xhci_hcd *xhci; in xhci_pci_remove() local
681 xhci = hcd_to_xhci(pci_get_drvdata(dev)); in xhci_pci_remove()
682 set_power_d3 = xhci->quirks & XHCI_SPURIOUS_WAKEUP; in xhci_pci_remove()
684 xhci->xhc_state |= XHCI_STATE_REMOVING; in xhci_pci_remove()
688 else if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW) in xhci_pci_remove()
691 if (xhci->shared_hcd) { in xhci_pci_remove()
692 usb_remove_hcd(xhci->shared_hcd); in xhci_pci_remove()
693 usb_put_hcd(xhci->shared_hcd); in xhci_pci_remove()
694 xhci->shared_hcd = NULL; in xhci_pci_remove()
703 EXPORT_SYMBOL_NS_GPL(xhci_pci_remove, xhci);
706 * In some Intel xHCI controllers, in order to get D3 working,
708 * SSIC PORT need to be marked as "unused" before putting xHCI
710 * Without this change, xHCI might not enter D3 state.
714 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_ssic_port_unused_quirk() local
720 reg = (void __iomem *) xhci->cap_regs + in xhci_ssic_port_unused_quirk()
744 * Make sure PME works on some Intel xHCI controllers by writing 1 to clear
749 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pme_quirk() local
753 reg = (void __iomem *) xhci->cap_regs + 0x80a4; in xhci_pme_quirk()
770 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_suspend() local
778 if (xhci->quirks & XHCI_COMP_MODE_QUIRK) in xhci_pci_suspend()
784 xhci->quirks & (XHCI_BROKEN_D3COLD_S2I)) in xhci_pci_suspend()
788 if (xhci->quirks & XHCI_PME_STUCK_QUIRK) in xhci_pci_suspend()
791 if (xhci->quirks & XHCI_SSIC_PORT_UNUSED) in xhci_pci_suspend()
794 if (xhci->quirks & XHCI_DISABLE_SPARSE) in xhci_pci_suspend()
797 ret = xhci_suspend(xhci, do_wakeup); in xhci_pci_suspend()
800 xhci_msix_sync_irqs(xhci); in xhci_pci_suspend()
802 if (ret && (xhci->quirks & XHCI_SSIC_PORT_UNUSED)) in xhci_pci_suspend()
810 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_resume() local
813 reset_control_reset(xhci->reset); in xhci_pci_resume()
816 * not support xHCI natively. That means that during system resume, it in xhci_pci_resume()
820 * The BIOS is supposed to remember whether the OS had xHCI ports in xhci_pci_resume()
821 * enabled before resume, and switch the ports back to xHCI when the in xhci_pci_resume()
825 * Unconditionally switch the ports back to xHCI after a system resume. in xhci_pci_resume()
826 * It should not matter whether the EHCI or xHCI controller is in xhci_pci_resume()
827 * resumed first. It's enough to do the switchover in xHCI because in xhci_pci_resume()
830 * xHCI host controllers) have been resumed. in xhci_pci_resume()
836 if (xhci->quirks & XHCI_SSIC_PORT_UNUSED) in xhci_pci_resume()
839 if (xhci->quirks & XHCI_PME_STUCK_QUIRK) in xhci_pci_resume()
842 return xhci_resume(xhci, msg); in xhci_pci_resume()
847 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_poweroff_late() local
862 if (!(xhci->quirks & XHCI_RESET_TO_DEFAULT)) in xhci_pci_poweroff_late()
865 for (i = 0; i < HCS_MAX_PORTS(xhci->hcs_params1); i++) { in xhci_pci_poweroff_late()
866 port = &xhci->hw_ports[i]; in xhci_pci_poweroff_late()
872 if (!port->slot_id || !xhci->devs[port->slot_id]) { in xhci_pci_poweroff_late()
873 xhci_err(xhci, "No dev for slot_id %d for port %d-%d in U3\n", in xhci_pci_poweroff_late()
879 udev = xhci->devs[port->slot_id]->udev; in xhci_pci_poweroff_late()
885 xhci_dbg(xhci, "port %d-%d in U3 without wakeup, disable it\n", in xhci_pci_poweroff_late()
896 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_shutdown() local
900 xhci_cleanup_msix(xhci); in xhci_pci_shutdown()
903 if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) in xhci_pci_shutdown()
911 /* handle any USB 3.0 xHCI controller */
951 MODULE_DESCRIPTION("xHCI PCI Host Controller Driver");