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octusb.c
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octusb.h
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octusb_octeon.c
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Editing: octusb_octeon.c
#include <sys/cdefs.h> __FBSDID("$FreeBSD$"); /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2007-2008 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 <sys/stdint.h> #include <sys/stddef.h> #include <sys/param.h> #include <sys/queue.h> #include <sys/types.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/bus.h> #include <sys/module.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/condvar.h> #include <sys/sysctl.h> #include <sys/sx.h> #include <sys/unistd.h> #include <sys/callout.h> #include <sys/malloc.h> #include <sys/priv.h> #include <sys/rman.h> #include <dev/usb/usb.h> #include <dev/usb/usbdi.h> #include <dev/usb/usb_core.h> #include <dev/usb/usb_busdma.h> #include <dev/usb/usb_process.h> #include <dev/usb/usb_util.h> #include <dev/usb/usb_controller.h> #include <dev/usb/usb_bus.h> #include <contrib/octeon-sdk/cvmx.h> #include <mips/cavium/octeon_irq.h> #include <contrib/octeon-sdk/cvmx-usb.h> #include <mips/cavium/usb/octusb.h> #define MEM_RID 0 static device_identify_t octusb_octeon_identify; static device_probe_t octusb_octeon_probe; static device_attach_t octusb_octeon_attach; static device_detach_t octusb_octeon_detach; struct octusb_octeon_softc { struct octusb_softc sc_dci; /* must be first */ }; static void octusb_octeon_identify(driver_t *drv, device_t parent) { if (octeon_has_feature(OCTEON_FEATURE_USB)) BUS_ADD_CHILD(parent, 0, "octusb", 0); } static int octusb_octeon_probe(device_t dev) { device_set_desc(dev, "Cavium Octeon USB controller"); return (0); } static int octusb_octeon_attach(device_t dev) { struct octusb_octeon_softc *sc = device_get_softc(dev); int err; int rid; int nports; int i; /* setup controller interface softc */ /* initialise some bus fields */ sc->sc_dci.sc_bus.parent = dev; sc->sc_dci.sc_bus.devices = sc->sc_dci.sc_devices; sc->sc_dci.sc_bus.devices_max = OCTUSB_MAX_DEVICES; sc->sc_dci.sc_bus.dma_bits = 32; /* get all DMA memory */ if (usb_bus_mem_alloc_all(&sc->sc_dci.sc_bus, USB_GET_DMA_TAG(dev), NULL)) { return (ENOMEM); } nports = cvmx_usb_get_num_ports(); if (nports > OCTUSB_MAX_PORTS) panic("octusb: too many USB ports %d", nports); for (i = 0; i < nports; i++) { rid = 0; sc->sc_dci.sc_irq_res[i] = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, OCTEON_IRQ_USB0 + i, OCTEON_IRQ_USB0 + i, 1, RF_ACTIVE); if (!(sc->sc_dci.sc_irq_res[i])) { goto error; } #if (__FreeBSD_version >= 700031) err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res[i], INTR_TYPE_BIO | INTR_MPSAFE, NULL, (driver_intr_t *)octusb_interrupt, sc, &sc->sc_dci.sc_intr_hdl[i]); #else err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res[i], INTR_TYPE_BIO | INTR_MPSAFE, (driver_intr_t *)octusb_interrupt, sc, &sc->sc_dci.sc_intr_hdl[i]); #endif if (err) { sc->sc_dci.sc_intr_hdl[i] = NULL; goto error; } } sc->sc_dci.sc_bus.bdev = device_add_child(dev, "usbus", -1); if (!(sc->sc_dci.sc_bus.bdev)) { goto error; } device_set_ivars(sc->sc_dci.sc_bus.bdev, &sc->sc_dci.sc_bus); err = octusb_init(&sc->sc_dci); if (!err) { err = device_probe_and_attach(sc->sc_dci.sc_bus.bdev); } if (err) { goto error; } return (0); error: octusb_octeon_detach(dev); return (ENXIO); } static int octusb_octeon_detach(device_t dev) { struct octusb_octeon_softc *sc = device_get_softc(dev); int err; int nports; int i; /* during module unload there are lots of children leftover */ device_delete_children(dev); if (sc->sc_dci.sc_irq_res[0] && sc->sc_dci.sc_intr_hdl[0]) /* * only call octusb_octeon_uninit() after octusb_octeon_init() */ octusb_uninit(&sc->sc_dci); nports = cvmx_usb_get_num_ports(); if (nports > OCTUSB_MAX_PORTS) panic("octusb: too many USB ports %d", nports); for (i = 0; i < nports; i++) { if (sc->sc_dci.sc_irq_res[i] && sc->sc_dci.sc_intr_hdl[i]) { err = bus_teardown_intr(dev, sc->sc_dci.sc_irq_res[i], sc->sc_dci.sc_intr_hdl[i]); sc->sc_dci.sc_intr_hdl[i] = NULL; } if (sc->sc_dci.sc_irq_res[i]) { bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_dci.sc_irq_res[i]); sc->sc_dci.sc_irq_res[i] = NULL; } } usb_bus_mem_free_all(&sc->sc_dci.sc_bus, NULL); return (0); } static device_method_t octusb_octeon_methods[] = { /* Device interface */ DEVMETHOD(device_identify, octusb_octeon_identify), DEVMETHOD(device_probe, octusb_octeon_probe), DEVMETHOD(device_attach, octusb_octeon_attach), DEVMETHOD(device_detach, octusb_octeon_detach), DEVMETHOD(device_resume, bus_generic_resume), DEVMETHOD(device_suspend, bus_generic_suspend), DEVMETHOD(device_shutdown, bus_generic_shutdown), DEVMETHOD_END }; static driver_t octusb_octeon_driver = { .name = "octusb", .methods = octusb_octeon_methods, .size = sizeof(struct octusb_octeon_softc), }; static devclass_t octusb_octeon_devclass; DRIVER_MODULE(octusb, ciu, octusb_octeon_driver, octusb_octeon_devclass, 0, 0);
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