220 lines
6.1 KiB
C
220 lines
6.1 KiB
C
#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2007-2008 Hans Petter Selasky. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.h>
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#include <sys/rman.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usb_core.h>
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#include <dev/usb/usb_busdma.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/usb_util.h>
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#include <dev/usb/usb_controller.h>
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#include <dev/usb/usb_bus.h>
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#include <contrib/octeon-sdk/cvmx.h>
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#include <mips/cavium/octeon_irq.h>
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#include <contrib/octeon-sdk/cvmx-usb.h>
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#include <mips/cavium/usb/octusb.h>
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#define MEM_RID 0
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static device_identify_t octusb_octeon_identify;
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static device_probe_t octusb_octeon_probe;
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static device_attach_t octusb_octeon_attach;
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static device_detach_t octusb_octeon_detach;
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struct octusb_octeon_softc {
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struct octusb_softc sc_dci; /* must be first */
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};
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static void
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octusb_octeon_identify(driver_t *drv, device_t parent)
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{
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if (octeon_has_feature(OCTEON_FEATURE_USB))
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BUS_ADD_CHILD(parent, 0, "octusb", 0);
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}
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static int
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octusb_octeon_probe(device_t dev)
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{
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device_set_desc(dev, "Cavium Octeon USB controller");
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return (0);
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}
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static int
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octusb_octeon_attach(device_t dev)
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{
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struct octusb_octeon_softc *sc = device_get_softc(dev);
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int err;
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int rid;
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int nports;
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int i;
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/* setup controller interface softc */
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/* initialise some bus fields */
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sc->sc_dci.sc_bus.parent = dev;
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sc->sc_dci.sc_bus.devices = sc->sc_dci.sc_devices;
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sc->sc_dci.sc_bus.devices_max = OCTUSB_MAX_DEVICES;
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sc->sc_dci.sc_bus.dma_bits = 32;
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/* get all DMA memory */
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if (usb_bus_mem_alloc_all(&sc->sc_dci.sc_bus,
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USB_GET_DMA_TAG(dev), NULL)) {
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return (ENOMEM);
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}
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nports = cvmx_usb_get_num_ports();
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if (nports > OCTUSB_MAX_PORTS)
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panic("octusb: too many USB ports %d", nports);
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for (i = 0; i < nports; i++) {
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rid = 0;
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sc->sc_dci.sc_irq_res[i] =
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bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
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OCTEON_IRQ_USB0 + i, OCTEON_IRQ_USB0 + i, 1, RF_ACTIVE);
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if (!(sc->sc_dci.sc_irq_res[i])) {
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goto error;
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}
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#if (__FreeBSD_version >= 700031)
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err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res[i], INTR_TYPE_BIO | INTR_MPSAFE,
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NULL, (driver_intr_t *)octusb_interrupt, sc, &sc->sc_dci.sc_intr_hdl[i]);
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#else
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err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res[i], INTR_TYPE_BIO | INTR_MPSAFE,
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(driver_intr_t *)octusb_interrupt, sc, &sc->sc_dci.sc_intr_hdl[i]);
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#endif
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if (err) {
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sc->sc_dci.sc_intr_hdl[i] = NULL;
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goto error;
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}
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}
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sc->sc_dci.sc_bus.bdev = device_add_child(dev, "usbus", -1);
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if (!(sc->sc_dci.sc_bus.bdev)) {
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goto error;
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}
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device_set_ivars(sc->sc_dci.sc_bus.bdev, &sc->sc_dci.sc_bus);
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err = octusb_init(&sc->sc_dci);
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if (!err) {
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err = device_probe_and_attach(sc->sc_dci.sc_bus.bdev);
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}
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if (err) {
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goto error;
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}
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return (0);
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error:
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octusb_octeon_detach(dev);
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return (ENXIO);
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}
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static int
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octusb_octeon_detach(device_t dev)
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{
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struct octusb_octeon_softc *sc = device_get_softc(dev);
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int err;
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int nports;
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int i;
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/* during module unload there are lots of children leftover */
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device_delete_children(dev);
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if (sc->sc_dci.sc_irq_res[0] && sc->sc_dci.sc_intr_hdl[0])
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/*
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* only call octusb_octeon_uninit() after octusb_octeon_init()
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*/
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octusb_uninit(&sc->sc_dci);
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nports = cvmx_usb_get_num_ports();
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if (nports > OCTUSB_MAX_PORTS)
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panic("octusb: too many USB ports %d", nports);
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for (i = 0; i < nports; i++) {
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if (sc->sc_dci.sc_irq_res[i] && sc->sc_dci.sc_intr_hdl[i]) {
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err = bus_teardown_intr(dev, sc->sc_dci.sc_irq_res[i],
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sc->sc_dci.sc_intr_hdl[i]);
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sc->sc_dci.sc_intr_hdl[i] = NULL;
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}
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if (sc->sc_dci.sc_irq_res[i]) {
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bus_release_resource(dev, SYS_RES_IRQ, 0,
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sc->sc_dci.sc_irq_res[i]);
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sc->sc_dci.sc_irq_res[i] = NULL;
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}
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}
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usb_bus_mem_free_all(&sc->sc_dci.sc_bus, NULL);
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return (0);
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}
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static device_method_t octusb_octeon_methods[] = {
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/* Device interface */
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DEVMETHOD(device_identify, octusb_octeon_identify),
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DEVMETHOD(device_probe, octusb_octeon_probe),
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DEVMETHOD(device_attach, octusb_octeon_attach),
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DEVMETHOD(device_detach, octusb_octeon_detach),
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DEVMETHOD(device_resume, bus_generic_resume),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD_END
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};
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static driver_t octusb_octeon_driver = {
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.name = "octusb",
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.methods = octusb_octeon_methods,
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.size = sizeof(struct octusb_octeon_softc),
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};
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static devclass_t octusb_octeon_devclass;
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DRIVER_MODULE(octusb, ciu, octusb_octeon_driver, octusb_octeon_devclass, 0, 0);
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