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"
92 static void xhci_msix_sync_irqs(struct xhci_hcd *xhci) in xhci_msix_sync_irqs() argument
94 struct usb_hcd *hcd = xhci_to_hcd(xhci); in xhci_msix_sync_irqs()
105 static void xhci_cleanup_msix(struct xhci_hcd *xhci) in xhci_cleanup_msix() argument
107 struct usb_hcd *hcd = xhci_to_hcd(xhci); in xhci_cleanup_msix()
114 free_irq(pci_irq_vector(pdev, 0), xhci_to_hcd(xhci)); in xhci_cleanup_msix()
123 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_try_enable_msi() local
130 if (xhci->quirks & XHCI_BROKEN_MSI) in xhci_try_enable_msi()
141 * with max number of interrupters based on the xhci HCSPARAMS1. in xhci_try_enable_msi()
145 xhci->nvecs = min(num_online_cpus() + 1, in xhci_try_enable_msi()
146 HCS_MAX_INTRS(xhci->hcs_params1)); in xhci_try_enable_msi()
149 xhci->nvecs = pci_alloc_irq_vectors(pdev, 1, xhci->nvecs, in xhci_try_enable_msi()
151 if (xhci->nvecs < 0) { in xhci_try_enable_msi()
152 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_try_enable_msi()
158 xhci_to_hcd(xhci)); in xhci_try_enable_msi()
167 xhci_dbg_trace(xhci, trace_xhci_dbg_init, "disable %s interrupt", in xhci_try_enable_msi()
173 xhci_err(xhci, "No msi-x/msi found and no IRQ in BIOS\n"); in xhci_try_enable_msi()
184 xhci_err(xhci, "request interrupt %d failed\n", pdev->irq); in xhci_try_enable_msi()
206 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_stop() local
211 xhci_cleanup_msix(xhci); in xhci_pci_stop()
215 static int xhci_pci_reinit(struct xhci_hcd *xhci, struct pci_dev *pdev) in xhci_pci_reinit() argument
225 xhci_dbg(xhci, "MWI active\n"); in xhci_pci_reinit()
227 xhci_dbg(xhci, "Finished xhci_pci_reinit\n"); in xhci_pci_reinit()
231 static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) in xhci_pci_quirks() argument
241 xhci->quirks |= driver_data->quirks; in xhci_pci_quirks()
250 xhci->quirks |= XHCI_RESET_EP_QUIRK; in xhci_pci_quirks()
251 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_pci_quirks()
256 xhci->quirks |= XHCI_SLOW_SUSPEND; in xhci_pci_quirks()
257 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_pci_quirks()
263 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
268 xhci->quirks |= XHCI_BROKEN_MSI; in xhci_pci_quirks()
269 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_pci_quirks()
273 xhci->quirks |= XHCI_TRUST_TX_LENGTH; in xhci_pci_quirks()
278 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
282 xhci->quirks |= XHCI_TRUST_TX_LENGTH; 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_TRUST_TX_LENGTH; 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()
380 xhci->quirks |= XHCI_RESET_TO_DEFAULT; in xhci_pci_quirks()
394 xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; in xhci_pci_quirks()
398 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
399 xhci->quirks |= XHCI_TRUST_TX_LENGTH; in xhci_pci_quirks()
400 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
404 xhci->quirks |= XHCI_TRUST_TX_LENGTH; in xhci_pci_quirks()
405 xhci->quirks |= XHCI_ZERO_64B_REGS; in xhci_pci_quirks()
409 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
410 xhci->quirks |= XHCI_ZERO_64B_REGS; in xhci_pci_quirks()
413 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
418 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
421 xhci->quirks |= XHCI_LPM_SUPPORT; in xhci_pci_quirks()
429 xhci->quirks |= XHCI_SPURIOUS_SUCCESS; in xhci_pci_quirks()
430 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
434 xhci->quirks |= XHCI_TRUST_TX_LENGTH; in xhci_pci_quirks()
435 xhci->quirks |= XHCI_NO_64BIT_SUPPORT; in xhci_pci_quirks()
441 xhci->quirks |= XHCI_NO_64BIT_SUPPORT; in xhci_pci_quirks()
445 xhci->quirks |= XHCI_ASMEDIA_MODIFY_FLOWCONTROL; in xhci_pci_quirks()
448 xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_7; in xhci_pci_quirks()
453 xhci->quirks |= XHCI_RESET_PLL_ON_DISCONNECT; in xhci_pci_quirks()
458 xhci->quirks |= XHCI_NO_SOFT_RETRY; in xhci_pci_quirks()
461 xhci->quirks |= XHCI_ZHAOXIN_HOST; in xhci_pci_quirks()
462 xhci->quirks |= XHCI_LPM_SUPPORT; in xhci_pci_quirks()
465 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
466 xhci->quirks |= XHCI_ZHAOXIN_TRB_FETCH; in xhci_pci_quirks()
470 xhci->quirks |= XHCI_ZHAOXIN_TRB_FETCH; in xhci_pci_quirks()
474 if (xhci->hci_version >= 0x120) in xhci_pci_quirks()
475 xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; in xhci_pci_quirks()
477 if (xhci->quirks & XHCI_RESET_ON_RESUME) in xhci_pci_quirks()
478 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_pci_quirks()
497 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_find_lpm_incapable_ports() local
498 struct xhci_hub *rhub = &xhci->usb3_rhub; in xhci_find_lpm_incapable_ports()
531 struct xhci_hcd *xhci; in xhci_pci_setup() local
535 xhci = hcd_to_xhci(hcd); in xhci_pci_setup()
536 if (!xhci->sbrn) in xhci_pci_setup()
537 pci_read_config_byte(pdev, XHCI_SBRN_OFFSET, &xhci->sbrn); in xhci_pci_setup()
540 xhci->imod_interval = 40000; in xhci_pci_setup()
549 if (xhci->quirks & XHCI_PME_STUCK_QUIRK) in xhci_pci_setup()
552 xhci_dbg(xhci, "Got SBRN %u\n", (unsigned int) xhci->sbrn); in xhci_pci_setup()
555 return xhci_pci_reinit(xhci, pdev); in xhci_pci_setup()
570 * function) in order to create a second roothub under xHCI.
575 struct xhci_hcd *xhci; in xhci_pci_probe() local
608 xhci = hcd_to_xhci(hcd); in xhci_pci_probe()
609 xhci->reset = reset; in xhci_pci_probe()
610 xhci->shared_hcd = usb_create_shared_hcd(&xhci_pci_hc_driver, &dev->dev, in xhci_pci_probe()
612 if (!xhci->shared_hcd) { in xhci_pci_probe()
617 retval = xhci_ext_cap_init(xhci); in xhci_pci_probe()
621 retval = usb_add_hcd(xhci->shared_hcd, dev->irq, in xhci_pci_probe()
627 if (!(xhci->quirks & XHCI_BROKEN_STREAMS) && in xhci_pci_probe()
628 HCC_MAX_PSA(xhci->hcc_params) >= 4) in xhci_pci_probe()
629 xhci->shared_hcd->can_do_streams = 1; in xhci_pci_probe()
636 else if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW) in xhci_pci_probe()
644 usb_put_hcd(xhci->shared_hcd); in xhci_pci_probe()
654 struct xhci_hcd *xhci; in xhci_pci_remove() local
656 xhci = hcd_to_xhci(pci_get_drvdata(dev)); in xhci_pci_remove()
658 xhci->xhc_state |= XHCI_STATE_REMOVING; in xhci_pci_remove()
660 if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW) in xhci_pci_remove()
663 if (xhci->shared_hcd) { in xhci_pci_remove()
664 usb_remove_hcd(xhci->shared_hcd); in xhci_pci_remove()
665 usb_put_hcd(xhci->shared_hcd); in xhci_pci_remove()
666 xhci->shared_hcd = NULL; in xhci_pci_remove()
670 if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) in xhci_pci_remove()
677 * In some Intel xHCI controllers, in order to get D3 working,
679 * SSIC PORT need to be marked as "unused" before putting xHCI
681 * Without this change, xHCI might not enter D3 state.
685 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_ssic_port_unused_quirk() local
691 reg = (void __iomem *) xhci->cap_regs + in xhci_ssic_port_unused_quirk()
715 * Make sure PME works on some Intel xHCI controllers by writing 1 to clear
720 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pme_quirk() local
724 reg = (void __iomem *) xhci->cap_regs + 0x80a4; in xhci_pme_quirk()
741 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_suspend() local
749 if (xhci->quirks & XHCI_COMP_MODE_QUIRK) in xhci_pci_suspend()
755 xhci->quirks & (XHCI_BROKEN_D3COLD_S2I)) in xhci_pci_suspend()
759 if (xhci->quirks & XHCI_PME_STUCK_QUIRK) in xhci_pci_suspend()
762 if (xhci->quirks & XHCI_SSIC_PORT_UNUSED) in xhci_pci_suspend()
765 if (xhci->quirks & XHCI_DISABLE_SPARSE) in xhci_pci_suspend()
768 ret = xhci_suspend(xhci, do_wakeup); in xhci_pci_suspend()
771 xhci_msix_sync_irqs(xhci); in xhci_pci_suspend()
773 if (ret && (xhci->quirks & XHCI_SSIC_PORT_UNUSED)) in xhci_pci_suspend()
781 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_resume() local
785 reset_control_reset(xhci->reset); in xhci_pci_resume()
788 * not support xHCI natively. That means that during system resume, it in xhci_pci_resume()
792 * The BIOS is supposed to remember whether the OS had xHCI ports in xhci_pci_resume()
793 * enabled before resume, and switch the ports back to xHCI when the in xhci_pci_resume()
797 * Unconditionally switch the ports back to xHCI after a system resume. in xhci_pci_resume()
798 * It should not matter whether the EHCI or xHCI controller is in xhci_pci_resume()
799 * resumed first. It's enough to do the switchover in xHCI because in xhci_pci_resume()
802 * xHCI host controllers) have been resumed. in xhci_pci_resume()
808 if (xhci->quirks & XHCI_SSIC_PORT_UNUSED) in xhci_pci_resume()
811 if (xhci->quirks & XHCI_PME_STUCK_QUIRK) in xhci_pci_resume()
814 retval = xhci_resume(xhci, msg); in xhci_pci_resume()
820 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_poweroff_late() local
836 if (!(xhci->quirks & XHCI_RESET_TO_DEFAULT)) in xhci_pci_poweroff_late()
839 for (i = 0; i < HCS_MAX_PORTS(xhci->hcs_params1); i++) { in xhci_pci_poweroff_late()
840 port = &xhci->hw_ports[i]; in xhci_pci_poweroff_late()
846 slot_id = xhci_find_slot_id_by_port(port->rhub->hcd, xhci, in xhci_pci_poweroff_late()
848 if (!slot_id || !xhci->devs[slot_id]) { in xhci_pci_poweroff_late()
849 xhci_err(xhci, "No dev for slot_id %d for port %d-%d in U3\n", in xhci_pci_poweroff_late()
854 udev = xhci->devs[slot_id]->udev; in xhci_pci_poweroff_late()
860 xhci_dbg(xhci, "port %d-%d in U3 without wakeup, disable it\n", in xhci_pci_poweroff_late()
871 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_shutdown() local
875 xhci_cleanup_msix(xhci); in xhci_pci_shutdown()
878 if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) in xhci_pci_shutdown()
897 /* handle any USB 3.0 xHCI controller */
906 * load firmware, so don't encumber the xhci-pci driver with it.
945 MODULE_DESCRIPTION("xHCI PCI Host Controller Driver");