diff --git a/sys/dev/usb/controller/xhci_pci.c b/sys/dev/usb/controller/xhci_pci.c index 884200f547ec..a1a7f86d97db 100644 --- a/sys/dev/usb/controller/xhci_pci.c +++ b/sys/dev/usb/controller/xhci_pci.c @@ -1,519 +1,519 @@ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2010 Hans Petter Selasky. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "usb_if.h" #define PCI_XHCI_VENDORID_AMD 0x1022 #define PCI_XHCI_VENDORID_INTEL 0x8086 static device_probe_t xhci_pci_probe; static device_detach_t xhci_pci_detach; static usb_take_controller_t xhci_pci_take_controller; static device_method_t xhci_device_methods[] = { /* device interface */ DEVMETHOD(device_probe, xhci_pci_probe), DEVMETHOD(device_attach, xhci_pci_attach), DEVMETHOD(device_detach, xhci_pci_detach), DEVMETHOD(device_suspend, bus_generic_suspend), DEVMETHOD(device_resume, bus_generic_resume), DEVMETHOD(device_shutdown, bus_generic_shutdown), DEVMETHOD(usb_take_controller, xhci_pci_take_controller), DEVMETHOD_END }; DEFINE_CLASS_0(xhci, xhci_pci_driver, xhci_device_methods, sizeof(struct xhci_softc)); static devclass_t xhci_devclass; DRIVER_MODULE(xhci, pci, xhci_pci_driver, xhci_devclass, NULL, NULL); MODULE_DEPEND(xhci, usb, 1, 1, 1); static const char * xhci_pci_match(device_t self) { uint32_t device_id = pci_get_devid(self); switch (device_id) { case 0x145c1022: return ("AMD KERNCZ USB 3.0 controller"); case 0x148c1022: return ("AMD Starship USB 3.0 controller"); case 0x149c1022: return ("AMD Matisse USB 3.0 controller"); case 0x43ba1022: return ("AMD X399 USB 3.0 controller"); case 0x43b91022: /* X370 */ case 0x43bb1022: /* B350 */ return ("AMD 300 Series USB 3.0 controller"); + case 0x78121022: case 0x78141022: - return ("AMD FCH USB 3.0 controller"); case 0x79141022: return ("AMD FCH USB 3.0 controller"); case 0x145f1d94: return ("Hygon USB 3.0 controller"); case 0x01941033: return ("NEC uPD720200 USB 3.0 controller"); case 0x00151912: return ("NEC uPD720202 USB 3.0 controller"); case 0x10001b73: return ("Fresco Logic FL1000G USB 3.0 controller"); case 0x11001b73: return ("Fresco Logic FL1100 USB 3.0 controller"); case 0x10421b21: return ("ASMedia ASM1042 USB 3.0 controller"); case 0x11421b21: return ("ASMedia ASM1042A USB 3.0 controller"); case 0x32421b21: return ("ASMedia ASM3242 USB 3.2 controller"); case 0x0b278086: return ("Intel Goshen Ridge Thunderbolt 4 USB controller"); case 0x0f358086: return ("Intel BayTrail USB 3.0 controller"); case 0x11388086: return ("Intel Maple Ridge Thunderbolt 4 USB controller"); case 0x15c18086: case 0x15d48086: case 0x15db8086: return ("Intel Alpine Ridge Thunderbolt 3 USB controller"); case 0x15e98086: case 0x15ec8086: case 0x15f08086: return ("Intel Titan Ridge Thunderbolt 3 USB controller"); case 0x19d08086: return ("Intel Denverton USB 3.0 controller"); case 0x9c318086: case 0x1e318086: return ("Intel Panther Point USB 3.0 controller"); case 0x22b58086: return ("Intel Braswell USB 3.0 controller"); case 0x31a88086: return ("Intel Gemini Lake USB 3.0 controller"); case 0x34ed8086: return ("Intel Ice Lake-LP USB 3.1 controller"); case 0x43ed8086: return ("Intel Tiger Lake-H USB 3.2 controller"); case 0x461e8086: return ("Intel Alder Lake-P Thunderbolt 4 USB controller"); case 0x51ed8086: return ("Intel Alder Lake USB 3.2 controller"); case 0x5aa88086: return ("Intel Apollo Lake USB 3.0 controller"); case 0x7ae08086: return ("Intel Alder Lake USB 3.2 controller"); case 0x8a138086: return ("Intel Ice Lake Thunderbolt 3 USB controller"); case 0x8c318086: return ("Intel Lynx Point USB 3.0 controller"); case 0x8cb18086: return ("Intel Wildcat Point USB 3.0 controller"); case 0x8d318086: return ("Intel Wellsburg USB 3.0 controller"); case 0x9a138086: return ("Intel Tiger Lake-LP Thunderbolt 4 USB controller"); case 0x9a178086: return ("Intel Tiger Lake-H Thunderbolt 4 USB controller"); case 0x9cb18086: return ("Broadwell Integrated PCH-LP chipset USB 3.0 controller"); case 0x9d2f8086: return ("Intel Sunrise Point-LP USB 3.0 controller"); case 0xa0ed8086: return ("Intel Tiger Lake-LP USB 3.2 controller"); case 0xa12f8086: return ("Intel Sunrise Point USB 3.0 controller"); case 0xa1af8086: return ("Intel Lewisburg USB 3.0 controller"); case 0xa2af8086: return ("Intel Union Point USB 3.0 controller"); case 0xa36d8086: return ("Intel Cannon Lake USB 3.1 controller"); case 0xa01b177d: return ("Cavium ThunderX USB 3.0 controller"); case 0x1ada10de: return ("NVIDIA TU106 USB 3.1 controller"); default: break; } if ((pci_get_class(self) == PCIC_SERIALBUS) && (pci_get_subclass(self) == PCIS_SERIALBUS_USB) && (pci_get_progif(self) == PCIP_SERIALBUS_USB_XHCI)) { return ("XHCI (generic) USB 3.0 controller"); } return (NULL); /* dunno */ } static int xhci_pci_probe(device_t self) { const char *desc = xhci_pci_match(self); if (desc) { device_set_desc(self, desc); return (BUS_PROBE_DEFAULT); } else { return (ENXIO); } } static int xhci_use_msi = 1; TUNABLE_INT("hw.usb.xhci.msi", &xhci_use_msi); static int xhci_use_msix = 1; TUNABLE_INT("hw.usb.xhci.msix", &xhci_use_msix); static void xhci_interrupt_poll(void *_sc) { struct xhci_softc *sc = _sc; USB_BUS_UNLOCK(&sc->sc_bus); xhci_interrupt(sc); USB_BUS_LOCK(&sc->sc_bus); usb_callout_reset(&sc->sc_callout, 1, (void *)&xhci_interrupt_poll, sc); } static int xhci_pci_port_route(device_t self, uint32_t set, uint32_t clear) { uint32_t temp; uint32_t usb3_mask; uint32_t usb2_mask; temp = pci_read_config(self, PCI_XHCI_INTEL_USB3_PSSEN, 4) | pci_read_config(self, PCI_XHCI_INTEL_XUSB2PR, 4); temp |= set; temp &= ~clear; /* Don't set bits which the hardware doesn't support */ usb3_mask = pci_read_config(self, PCI_XHCI_INTEL_USB3PRM, 4); usb2_mask = pci_read_config(self, PCI_XHCI_INTEL_USB2PRM, 4); pci_write_config(self, PCI_XHCI_INTEL_USB3_PSSEN, temp & usb3_mask, 4); pci_write_config(self, PCI_XHCI_INTEL_XUSB2PR, temp & usb2_mask, 4); device_printf(self, "Port routing mask set to 0x%08x\n", temp); return (0); } int xhci_pci_attach(device_t self) { struct xhci_softc *sc = device_get_softc(self); int count, err, msix_table, rid; uint8_t usemsi = 1; uint8_t usedma32 = 0; rid = PCI_XHCI_CBMEM; sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (!sc->sc_io_res) { device_printf(self, "Could not map memory\n"); return (ENOMEM); } sc->sc_io_tag = rman_get_bustag(sc->sc_io_res); sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res); sc->sc_io_size = rman_get_size(sc->sc_io_res); switch (pci_get_devid(self)) { case 0x01941033: /* NEC uPD720200 USB 3.0 controller */ case 0x00141912: /* NEC uPD720201 USB 3.0 controller */ /* Don't use 64-bit DMA on these controllers. */ usedma32 = 1; break; case 0x10001b73: /* FL1000G */ /* Fresco Logic host doesn't support MSI. */ usemsi = 0; break; case 0x0f358086: /* BayTrail */ case 0x9c318086: /* Panther Point */ case 0x1e318086: /* Panther Point */ case 0x8c318086: /* Lynx Point */ case 0x8cb18086: /* Wildcat Point */ case 0x9cb18086: /* Broadwell Mobile Integrated */ /* * On Intel chipsets, reroute ports from EHCI to XHCI * controller and use a different IMOD value. */ sc->sc_port_route = &xhci_pci_port_route; sc->sc_imod_default = XHCI_IMOD_DEFAULT_LP; sc->sc_ctlstep = 1; break; } if (xhci_init(sc, self, usedma32)) { device_printf(self, "Could not initialize softc\n"); bus_release_resource(self, SYS_RES_MEMORY, PCI_XHCI_CBMEM, sc->sc_io_res); return (ENXIO); } pci_enable_busmaster(self); usb_callout_init_mtx(&sc->sc_callout, &sc->sc_bus.bus_mtx, 0); rid = 0; if (xhci_use_msix && (msix_table = pci_msix_table_bar(self)) >= 0) { if (msix_table == PCI_XHCI_CBMEM) { sc->sc_msix_res = sc->sc_io_res; } else { sc->sc_msix_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &msix_table, RF_ACTIVE); if (sc->sc_msix_res == NULL) { /* May not be enabled */ device_printf(self, "Unable to map MSI-X table\n"); } } if (sc->sc_msix_res != NULL) { count = 1; if (pci_alloc_msix(self, &count) == 0) { if (bootverbose) device_printf(self, "MSI-X enabled\n"); rid = 1; } else { if (sc->sc_msix_res != sc->sc_io_res) { bus_release_resource(self, SYS_RES_MEMORY, msix_table, sc->sc_msix_res); } sc->sc_msix_res = NULL; } } } if (rid == 0 && xhci_use_msi && usemsi) { count = 1; if (pci_alloc_msi(self, &count) == 0) { if (bootverbose) device_printf(self, "MSI enabled\n"); rid = 1; } } sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid, RF_ACTIVE | (rid != 0 ? 0 : RF_SHAREABLE)); if (sc->sc_irq_res == NULL) { pci_release_msi(self); device_printf(self, "Could not allocate IRQ\n"); /* goto error; FALLTHROUGH - use polling */ } sc->sc_bus.bdev = device_add_child(self, "usbus", -1); if (sc->sc_bus.bdev == NULL) { device_printf(self, "Could not add USB device\n"); goto error; } device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); switch (pci_get_vendor(self)) { case PCI_XHCI_VENDORID_AMD: strlcpy(sc->sc_vendor, "AMD", sizeof(sc->sc_vendor)); break; case PCI_XHCI_VENDORID_INTEL: strlcpy(sc->sc_vendor, "Intel", sizeof(sc->sc_vendor)); break; default: if (bootverbose) device_printf(self, "(New XHCI DeviceId=0x%08x)\n", pci_get_devid(self)); snprintf(sc->sc_vendor, sizeof(sc->sc_vendor), "(0x%04x)", pci_get_vendor(self)); break; } if (sc->sc_irq_res != NULL) { err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, NULL, (driver_intr_t *)xhci_interrupt, sc, &sc->sc_intr_hdl); if (err != 0) { bus_release_resource(self, SYS_RES_IRQ, rman_get_rid(sc->sc_irq_res), sc->sc_irq_res); sc->sc_irq_res = NULL; pci_release_msi(self); device_printf(self, "Could not setup IRQ, err=%d\n", err); sc->sc_intr_hdl = NULL; } } if (sc->sc_irq_res == NULL || sc->sc_intr_hdl == NULL) { if (xhci_use_polling() != 0) { device_printf(self, "Interrupt polling at %dHz\n", hz); USB_BUS_LOCK(&sc->sc_bus); xhci_interrupt_poll(sc); USB_BUS_UNLOCK(&sc->sc_bus); } else goto error; } xhci_pci_take_controller(self); err = xhci_halt_controller(sc); if (err == 0) err = xhci_start_controller(sc); if (err == 0) err = device_probe_and_attach(sc->sc_bus.bdev); if (err) { device_printf(self, "XHCI halt/start/probe failed err=%d\n", err); goto error; } return (0); error: xhci_pci_detach(self); return (ENXIO); } static int xhci_pci_detach(device_t self) { struct xhci_softc *sc = device_get_softc(self); /* during module unload there are lots of children leftover */ device_delete_children(self); usb_callout_drain(&sc->sc_callout); xhci_halt_controller(sc); xhci_reset_controller(sc); pci_disable_busmaster(self); if (sc->sc_irq_res && sc->sc_intr_hdl) { bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl); sc->sc_intr_hdl = NULL; } if (sc->sc_irq_res) { bus_release_resource(self, SYS_RES_IRQ, rman_get_rid(sc->sc_irq_res), sc->sc_irq_res); sc->sc_irq_res = NULL; pci_release_msi(self); } if (sc->sc_msix_res != NULL && sc->sc_msix_res != sc->sc_io_res) { bus_release_resource(self, SYS_RES_MEMORY, rman_get_rid(sc->sc_msix_res), sc->sc_msix_res); sc->sc_msix_res = NULL; } if (sc->sc_io_res) { bus_release_resource(self, SYS_RES_MEMORY, PCI_XHCI_CBMEM, sc->sc_io_res); sc->sc_io_res = NULL; } xhci_uninit(sc); return (0); } static int xhci_pci_take_controller(device_t self) { struct xhci_softc *sc = device_get_softc(self); uint32_t cparams; uint32_t eecp; uint32_t eec; uint16_t to; uint8_t bios_sem; cparams = XREAD4(sc, capa, XHCI_HCSPARAMS0); eec = -1; /* Synchronise with the BIOS if it owns the controller. */ for (eecp = XHCI_HCS0_XECP(cparams) << 2; eecp != 0 && XHCI_XECP_NEXT(eec); eecp += XHCI_XECP_NEXT(eec) << 2) { eec = XREAD4(sc, capa, eecp); if (XHCI_XECP_ID(eec) != XHCI_ID_USB_LEGACY) continue; bios_sem = XREAD1(sc, capa, eecp + XHCI_XECP_BIOS_SEM); if (bios_sem == 0) continue; device_printf(sc->sc_bus.bdev, "waiting for BIOS " "to give up control\n"); XWRITE1(sc, capa, eecp + XHCI_XECP_OS_SEM, 1); to = 500; while (1) { bios_sem = XREAD1(sc, capa, eecp + XHCI_XECP_BIOS_SEM); if (bios_sem == 0) break; if (--to == 0) { device_printf(sc->sc_bus.bdev, "timed out waiting for BIOS\n"); break; } usb_pause_mtx(NULL, hz / 100); /* wait 10ms */ } } return (0); }