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"
99 static void xhci_msix_sync_irqs(struct xhci_hcd *xhci) in xhci_msix_sync_irqs() argument
101 struct usb_hcd *hcd = xhci_to_hcd(xhci); in xhci_msix_sync_irqs()
107 for (i = 0; i < xhci->msix_count; i++) in xhci_msix_sync_irqs()
113 static void xhci_cleanup_msix(struct xhci_hcd *xhci) in xhci_cleanup_msix() argument
115 struct usb_hcd *hcd = xhci_to_hcd(xhci); in xhci_cleanup_msix()
125 for (i = 0; i < xhci->msix_count; i++) in xhci_cleanup_msix()
126 free_irq(pci_irq_vector(pdev, i), xhci_to_hcd(xhci)); in xhci_cleanup_msix()
128 free_irq(pci_irq_vector(pdev, 0), xhci_to_hcd(xhci)); in xhci_cleanup_msix()
138 static int xhci_setup_msi(struct xhci_hcd *xhci) in xhci_setup_msi() argument
144 struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller); in xhci_setup_msi()
148 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_setup_msi()
154 0, "xhci_hcd", xhci_to_hcd(xhci)); in xhci_setup_msi()
156 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_setup_msi()
167 static int xhci_setup_msix(struct xhci_hcd *xhci) in xhci_setup_msix() argument
170 struct usb_hcd *hcd = xhci_to_hcd(xhci); in xhci_setup_msix()
176 * with max number of interrupters based on the xhci HCSPARAMS1. in xhci_setup_msix()
180 xhci->msix_count = min(num_online_cpus() + 1, in xhci_setup_msix()
181 HCS_MAX_INTRS(xhci->hcs_params1)); in xhci_setup_msix()
183 ret = pci_alloc_irq_vectors(pdev, xhci->msix_count, xhci->msix_count, in xhci_setup_msix()
186 xhci_dbg_trace(xhci, trace_xhci_dbg_init, in xhci_setup_msix()
191 for (i = 0; i < xhci->msix_count; i++) { in xhci_setup_msix()
193 "xhci_hcd", xhci_to_hcd(xhci)); in xhci_setup_msix()
202 xhci_dbg_trace(xhci, trace_xhci_dbg_init, "disable MSI-X interrupt"); in xhci_setup_msix()
204 free_irq(pci_irq_vector(pdev, i), xhci_to_hcd(xhci)); in xhci_setup_msix()
211 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_try_enable_msi() local
215 pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller); in xhci_try_enable_msi()
220 if (xhci->quirks & XHCI_BROKEN_MSI) in xhci_try_enable_msi()
228 ret = xhci_setup_msix(xhci); in xhci_try_enable_msi()
231 ret = xhci_setup_msi(xhci); in xhci_try_enable_msi()
239 xhci_err(xhci, "No msi-x/msi found and no IRQ in BIOS\n"); in xhci_try_enable_msi()
252 xhci_err(xhci, "request interrupt %d failed\n", in xhci_try_enable_msi()
275 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_stop() local
280 xhci_cleanup_msix(xhci); in xhci_pci_stop()
284 static int xhci_pci_reinit(struct xhci_hcd *xhci, struct pci_dev *pdev) in xhci_pci_reinit() argument
294 xhci_dbg(xhci, "MWI active\n"); in xhci_pci_reinit()
296 xhci_dbg(xhci, "Finished xhci_pci_reinit\n"); in xhci_pci_reinit()
300 static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) in xhci_pci_quirks() argument
310 xhci->quirks |= driver_data->quirks; in xhci_pci_quirks()
319 xhci->quirks |= XHCI_RESET_EP_QUIRK; in xhci_pci_quirks()
320 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_pci_quirks()
325 xhci->quirks |= XHCI_SLOW_SUSPEND; in xhci_pci_quirks()
326 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_pci_quirks()
332 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
337 xhci->quirks |= XHCI_BROKEN_MSI; in xhci_pci_quirks()
338 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_pci_quirks()
346 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
349 xhci->quirks |= XHCI_NEC_HOST; in xhci_pci_quirks()
351 if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version == 0x96) in xhci_pci_quirks()
352 xhci->quirks |= XHCI_AMD_0x96_HOST; in xhci_pci_quirks()
356 xhci->quirks |= XHCI_AMD_PLL_FIX; in xhci_pci_quirks()
363 xhci->quirks |= XHCI_SUSPEND_DELAY; in xhci_pci_quirks()
367 xhci->quirks |= XHCI_SNPS_BROKEN_SUSPEND; in xhci_pci_quirks()
370 xhci->quirks |= XHCI_DISABLE_SPARSE; in xhci_pci_quirks()
371 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
375 xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; in xhci_pci_quirks()
382 xhci->quirks |= XHCI_U2_DISABLE_WAKE; in xhci_pci_quirks()
386 xhci->quirks |= XHCI_BROKEN_D3COLD_S2I; in xhci_pci_quirks()
389 xhci->quirks |= XHCI_LPM_SUPPORT; in xhci_pci_quirks()
390 xhci->quirks |= XHCI_INTEL_HOST; in xhci_pci_quirks()
391 xhci->quirks |= XHCI_AVOID_BEI; in xhci_pci_quirks()
395 xhci->quirks |= XHCI_EP_LIMIT_QUIRK; in xhci_pci_quirks()
396 xhci->limit_active_eps = 64; in xhci_pci_quirks()
397 xhci->quirks |= XHCI_SW_BW_CHECKING; in xhci_pci_quirks()
401 * switch the ports from xHCI to EHCI on shutdown. We can't use in xhci_pci_quirks()
406 xhci->quirks |= XHCI_SPURIOUS_REBOOT; in xhci_pci_quirks()
411 xhci->quirks |= XHCI_SPURIOUS_REBOOT; in xhci_pci_quirks()
412 xhci->quirks |= XHCI_SPURIOUS_WAKEUP; in xhci_pci_quirks()
423 xhci->quirks |= XHCI_PME_STUCK_QUIRK; in xhci_pci_quirks()
427 xhci->quirks |= XHCI_SSIC_PORT_UNUSED; in xhci_pci_quirks()
432 xhci->quirks |= XHCI_INTEL_USB_ROLE_SW; in xhci_pci_quirks()
439 xhci->quirks |= XHCI_MISSING_CAS; in xhci_pci_quirks()
444 xhci->quirks |= XHCI_RESET_TO_DEFAULT; in xhci_pci_quirks()
458 xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; in xhci_pci_quirks()
463 xhci->quirks |= XHCI_ETRON_HOST; in xhci_pci_quirks()
464 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
465 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
470 xhci->quirks |= XHCI_ZERO_64B_REGS; in xhci_pci_quirks()
474 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
475 xhci->quirks |= XHCI_ZERO_64B_REGS; in xhci_pci_quirks()
478 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
483 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
486 xhci->quirks |= XHCI_LPM_SUPPORT; in xhci_pci_quirks()
487 xhci->quirks |= XHCI_TRB_OVERFETCH; in xhci_pci_quirks()
496 xhci->quirks |= XHCI_SPURIOUS_SUCCESS; in xhci_pci_quirks()
497 xhci->quirks |= XHCI_BROKEN_STREAMS; in xhci_pci_quirks()
501 xhci->quirks |= XHCI_NO_64BIT_SUPPORT; in xhci_pci_quirks()
507 xhci->quirks |= XHCI_NO_64BIT_SUPPORT; in xhci_pci_quirks()
511 xhci->quirks |= XHCI_ASMEDIA_MODIFY_FLOWCONTROL; in xhci_pci_quirks()
515 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
518 xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_7; in xhci_pci_quirks()
523 xhci->quirks |= XHCI_RESET_PLL_ON_DISCONNECT; in xhci_pci_quirks()
528 xhci->quirks |= XHCI_NO_SOFT_RETRY; in xhci_pci_quirks()
531 xhci->quirks |= XHCI_ZHAOXIN_HOST; in xhci_pci_quirks()
532 xhci->quirks |= XHCI_LPM_SUPPORT; in xhci_pci_quirks()
535 xhci->quirks |= XHCI_RESET_ON_RESUME; in xhci_pci_quirks()
536 xhci->quirks |= XHCI_TRB_OVERFETCH; in xhci_pci_quirks()
540 xhci->quirks |= XHCI_TRB_OVERFETCH; in xhci_pci_quirks()
545 xhci->quirks |= XHCI_CDNS_SCTX_QUIRK; in xhci_pci_quirks()
548 if (xhci->hci_version >= 0x120) in xhci_pci_quirks()
549 xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; in xhci_pci_quirks()
551 if (xhci->quirks & XHCI_RESET_ON_RESUME) in xhci_pci_quirks()
552 xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, in xhci_pci_quirks()
571 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_find_lpm_incapable_ports() local
572 struct xhci_hub *rhub = &xhci->usb3_rhub; in xhci_find_lpm_incapable_ports()
605 struct xhci_hcd *xhci; in xhci_pci_setup() local
609 xhci = hcd_to_xhci(hcd); in xhci_pci_setup()
610 if (!xhci->sbrn) in xhci_pci_setup()
611 pci_read_config_byte(pdev, XHCI_SBRN_OFFSET, &xhci->sbrn); in xhci_pci_setup()
614 xhci->imod_interval = 40000; in xhci_pci_setup()
623 if (xhci->quirks & XHCI_PME_STUCK_QUIRK) in xhci_pci_setup()
626 xhci_dbg(xhci, "Got SBRN %u\n", (unsigned int) xhci->sbrn); in xhci_pci_setup()
629 return xhci_pci_reinit(xhci, pdev); in xhci_pci_setup()
644 * function) in order to create a second roothub under xHCI.
649 struct xhci_hcd *xhci; in xhci_pci_probe() local
682 xhci = hcd_to_xhci(hcd); in xhci_pci_probe()
683 xhci->reset = reset; in xhci_pci_probe()
684 xhci->shared_hcd = usb_create_shared_hcd(&xhci_pci_hc_driver, &dev->dev, in xhci_pci_probe()
686 if (!xhci->shared_hcd) { in xhci_pci_probe()
691 retval = xhci_ext_cap_init(xhci); in xhci_pci_probe()
695 retval = usb_add_hcd(xhci->shared_hcd, dev->irq, in xhci_pci_probe()
701 if (!(xhci->quirks & XHCI_BROKEN_STREAMS) && in xhci_pci_probe()
702 HCC_MAX_PSA(xhci->hcc_params) >= 4) in xhci_pci_probe()
703 xhci->shared_hcd->can_do_streams = 1; in xhci_pci_probe()
710 else if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW) in xhci_pci_probe()
718 usb_put_hcd(xhci->shared_hcd); in xhci_pci_probe()
728 struct xhci_hcd *xhci; in xhci_pci_remove() local
731 xhci = hcd_to_xhci(pci_get_drvdata(dev)); in xhci_pci_remove()
732 set_power_d3 = xhci->quirks & XHCI_SPURIOUS_WAKEUP; in xhci_pci_remove()
734 xhci->xhc_state |= XHCI_STATE_REMOVING; in xhci_pci_remove()
738 else if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW) in xhci_pci_remove()
741 if (xhci->shared_hcd) { in xhci_pci_remove()
742 usb_remove_hcd(xhci->shared_hcd); in xhci_pci_remove()
743 usb_put_hcd(xhci->shared_hcd); in xhci_pci_remove()
744 xhci->shared_hcd = NULL; in xhci_pci_remove()
755 * In some Intel xHCI controllers, in order to get D3 working,
757 * SSIC PORT need to be marked as "unused" before putting xHCI
759 * Without this change, xHCI might not enter D3 state.
763 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_ssic_port_unused_quirk() local
769 reg = (void __iomem *) xhci->cap_regs + in xhci_ssic_port_unused_quirk()
793 * Make sure PME works on some Intel xHCI controllers by writing 1 to clear
798 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pme_quirk() local
802 reg = (void __iomem *) xhci->cap_regs + 0x80a4; in xhci_pme_quirk()
819 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_suspend() local
827 if (xhci->quirks & XHCI_COMP_MODE_QUIRK) in xhci_pci_suspend()
833 xhci->quirks & (XHCI_BROKEN_D3COLD_S2I)) in xhci_pci_suspend()
837 if (xhci->quirks & XHCI_PME_STUCK_QUIRK) in xhci_pci_suspend()
840 if (xhci->quirks & XHCI_SSIC_PORT_UNUSED) in xhci_pci_suspend()
843 if (xhci->quirks & XHCI_DISABLE_SPARSE) in xhci_pci_suspend()
846 ret = xhci_suspend(xhci, do_wakeup); in xhci_pci_suspend()
849 xhci_msix_sync_irqs(xhci); in xhci_pci_suspend()
851 if (ret && (xhci->quirks & XHCI_SSIC_PORT_UNUSED)) in xhci_pci_suspend()
859 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_resume() local
863 reset_control_reset(xhci->reset); in xhci_pci_resume()
866 * not support xHCI natively. That means that during system resume, it in xhci_pci_resume()
870 * The BIOS is supposed to remember whether the OS had xHCI ports in xhci_pci_resume()
871 * enabled before resume, and switch the ports back to xHCI when the in xhci_pci_resume()
875 * Unconditionally switch the ports back to xHCI after a system resume. in xhci_pci_resume()
876 * It should not matter whether the EHCI or xHCI controller is in xhci_pci_resume()
877 * resumed first. It's enough to do the switchover in xHCI because in xhci_pci_resume()
880 * xHCI host controllers) have been resumed. in xhci_pci_resume()
886 if (xhci->quirks & XHCI_SSIC_PORT_UNUSED) in xhci_pci_resume()
889 if (xhci->quirks & XHCI_PME_STUCK_QUIRK) in xhci_pci_resume()
892 retval = xhci_resume(xhci, msg); in xhci_pci_resume()
898 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_poweroff_late() local
914 if (!(xhci->quirks & XHCI_RESET_TO_DEFAULT)) in xhci_pci_poweroff_late()
917 for (i = 0; i < HCS_MAX_PORTS(xhci->hcs_params1); i++) { in xhci_pci_poweroff_late()
918 port = &xhci->hw_ports[i]; in xhci_pci_poweroff_late()
924 slot_id = xhci_find_slot_id_by_port(port->rhub->hcd, xhci, in xhci_pci_poweroff_late()
926 if (!slot_id || !xhci->devs[slot_id]) { in xhci_pci_poweroff_late()
927 xhci_err(xhci, "No dev for slot_id %d for port %d-%d in U3\n", in xhci_pci_poweroff_late()
932 udev = xhci->devs[slot_id]->udev; in xhci_pci_poweroff_late()
938 xhci_dbg(xhci, "port %d-%d in U3 without wakeup, disable it\n", in xhci_pci_poweroff_late()
949 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_pci_shutdown() local
953 xhci_cleanup_msix(xhci); in xhci_pci_shutdown()
956 if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) in xhci_pci_shutdown()
975 /* handle any USB 3.0 xHCI controller */
984 * load firmware, so don't encumber the xhci-pci driver with it.
1023 MODULE_DESCRIPTION("xHCI PCI Host Controller Driver");