Index: sys/conf/files =================================================================== --- sys/conf/files +++ sys/conf/files @@ -3189,6 +3189,7 @@ dev/usb/controller/musb_otg.c optional musb dev/usb/controller/dwc_otg.c optional dwcotg dev/usb/controller/dwc_otg_fdt.c optional dwcotg fdt +dev/usb/controller/dwc_otg_acpi.c optional dwcotg acpi dev/usb/controller/ehci.c optional ehci dev/usb/controller/ehci_msm.c optional ehci_msm fdt dev/usb/controller/ehci_pci.c optional ehci pci Index: sys/dev/usb/controller/dwc_otg_acpi.c =================================================================== --- /dev/null +++ sys/dev/usb/controller/dwc_otg_acpi.c @@ -0,0 +1,211 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2012 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 "opt_acpi.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include + +#include +#include + +#include +#include +#include +#include + +#include +#include + +#include + +static device_probe_t dwc_otg_probe; +static device_attach_t dwc_otg_attach; +static device_attach_t dwc_otg_detach; + +static char *dwc_otg_ids[] = { + "BCM2848", + NULL +}; + +static int +dwc_otg_probe(device_t dev) +{ + int rv; + + if (acpi_disabled("dwc_otg")) + return (ENXIO); + + rv = ACPI_ID_PROBE(device_get_parent(dev), dev, dwc_otg_ids, NULL); + if (rv > 0) + return (rv); + + device_set_desc(dev, "DWC OTG 2.0 integrated USB controller"); + + return (BUS_PROBE_DEFAULT); +} + +static int +dwc_otg_attach(device_t dev) +{ + struct dwc_otg_softc *sc = device_get_softc(dev); + int err; + int rid; + + /* initialise some bus fields */ + sc->sc_bus.parent = dev; + sc->sc_bus.devices = sc->sc_devices; + sc->sc_bus.devices_max = DWC_OTG_MAX_DEVICES; + sc->sc_bus.dma_bits = 32; + + /* assume device mode (this is only used for the Raspberry Pi 4's + * USB-C port, which only works in device mode) */ + sc->sc_mode = DWC_MODE_DEVICE; + + /* get all DMA memory */ + if (usb_bus_mem_alloc_all(&sc->sc_bus, + USB_GET_DMA_TAG(dev), NULL)) { + return (ENOMEM); + } + rid = 0; + sc->sc_io_res = + bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); + + if (!(sc->sc_io_res)) { + err = ENOMEM; + goto error; + } + 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); + + rid = 0; + sc->sc_irq_res = + bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); + if (sc->sc_irq_res == NULL) + goto error; + + sc->sc_bus.bdev = device_add_child(dev, "usbus", -1); + if (sc->sc_bus.bdev == NULL) + goto error; + + device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); + + err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_TTY | INTR_MPSAFE, + &dwc_otg_filter_interrupt, &dwc_otg_interrupt, sc, &sc->sc_intr_hdl); + if (err) { + sc->sc_intr_hdl = NULL; + goto error; + } + err = dwc_otg_init(sc); + if (err == 0) { + err = device_probe_and_attach(sc->sc_bus.bdev); + } + if (err) + goto error; + + + return (0); + +error: + dwc_otg_detach(dev); + return (ENXIO); +} + +static int +dwc_otg_detach(device_t dev) +{ + struct dwc_otg_softc *sc = device_get_softc(dev); + + /* during module unload there are lots of children leftover */ + device_delete_children(dev); + + if (sc->sc_irq_res && sc->sc_intr_hdl) { + /* + * only call dwc_otg_uninit() after dwc_otg_init() + */ + dwc_otg_uninit(sc); + + bus_teardown_intr(dev, sc->sc_irq_res, + sc->sc_intr_hdl); + sc->sc_intr_hdl = NULL; + } + /* free IRQ channel, if any */ + if (sc->sc_irq_res) { + bus_release_resource(dev, SYS_RES_IRQ, 0, + sc->sc_irq_res); + sc->sc_irq_res = NULL; + } + /* free memory resource, if any */ + if (sc->sc_io_res) { + bus_release_resource(dev, SYS_RES_MEMORY, 0, + sc->sc_io_res); + sc->sc_io_res = NULL; + } + usb_bus_mem_free_all(&sc->sc_bus, NULL); + + return (0); +} + +static device_method_t dwc_otg_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, dwc_otg_probe), + DEVMETHOD(device_attach, dwc_otg_attach), + DEVMETHOD(device_detach, dwc_otg_detach), + DEVMETHOD(device_suspend, bus_generic_suspend), + DEVMETHOD(device_resume, bus_generic_resume), + DEVMETHOD(device_shutdown, bus_generic_shutdown), + + DEVMETHOD_END +}; + +static driver_t dwc_otg_driver = { + .name = "dwcotg", + .methods = dwc_otg_methods, + .size = sizeof(struct dwc_otg_softc), +}; + +static devclass_t dwc_otg_devclass; + +DRIVER_MODULE(dwcotg, acpi, dwc_otg_driver, dwc_otg_devclass, 0, 0); +MODULE_DEPEND(dwcotg, usb, 1, 1, 1);