diff options
Diffstat (limited to 'sys/dev/usb/controller/xhci_mv.c')
| -rw-r--r-- | sys/dev/usb/controller/xhci_mv.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/sys/dev/usb/controller/xhci_mv.c b/sys/dev/usb/controller/xhci_mv.c new file mode 100644 index 0000000..06b35ce --- /dev/null +++ b/sys/dev/usb/controller/xhci_mv.c @@ -0,0 +1,232 @@ +/*- + * Copyright (c) 2015 Semihalf. + * Copyright (c) 2015 Stormshield. + * 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/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "opt_bus.h" + +#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/priv.h> +#include <sys/rman.h> + +#include <dev/ofw/ofw_bus.h> +#include <dev/ofw/ofw_bus_subr.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 <dev/usb/controller/xhci.h> +#include <dev/usb/controller/xhcireg.h> + +#define XHCI_HC_DEVSTR "Marvell Integrated USB 3.0 controller" +#define XHCI_HC_VENDOR "Marvell" + +#define IS_DMA_32B 1 + +static device_attach_t xhci_attach; +static device_detach_t xhci_detach; + +static struct ofw_compat_data compat_data[] = { + {"marvell,armada-380-xhci", true}, + {NULL, false} +}; + +static int +xhci_probe(device_t dev) +{ + + if (!ofw_bus_status_okay(dev)) + return (ENXIO); + + if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data) + return (ENXIO); + + device_set_desc(dev, XHCI_HC_DEVSTR); + + return (BUS_PROBE_DEFAULT); +} + +static int +xhci_attach(device_t dev) +{ + struct xhci_softc *sc = device_get_softc(dev); + int err = 0, rid = 0; + + sc->sc_bus.parent = dev; + sc->sc_bus.devices = sc->sc_devices; + sc->sc_bus.devices_max = XHCI_MAX_DEVICES; + + sc->sc_io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, + RF_ACTIVE); + if (sc->sc_io_res == NULL) { + device_printf(dev, "Failed to map memory\n"); + xhci_detach(dev); + return (ENXIO); + } + + 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); + + sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, + RF_SHAREABLE | RF_ACTIVE); + if (sc->sc_irq_res == NULL) { + device_printf(dev, "Failed to allocate IRQ\n"); + xhci_detach(dev); + return (ENXIO); + } + + sc->sc_bus.bdev = device_add_child(dev, "usbus", -1); + if (sc->sc_bus.bdev == NULL) { + device_printf(dev, "Failed to add USB device\n"); + xhci_detach(dev); + return (ENXIO); + } + + device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); + + sprintf(sc->sc_vendor, XHCI_HC_VENDOR); + device_set_desc(sc->sc_bus.bdev, XHCI_HC_DEVSTR); + + err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, + NULL, (driver_intr_t *)xhci_interrupt, sc, &sc->sc_intr_hdl); + if (err != 0) { + device_printf(dev, "Failed to setup error IRQ, %d\n", err); + sc->sc_intr_hdl = NULL; + xhci_detach(dev); + return (err); + } + + err = xhci_init(sc, dev, IS_DMA_32B); + if (err != 0) { + device_printf(dev, "Failed to init XHCI, with error %d\n", err); + xhci_detach(dev); + return (ENXIO); + } + + err = xhci_start_controller(sc); + if (err != 0) { + device_printf(dev, "Failed to start XHCI controller, with error %d\n", err); + xhci_detach(dev); + return (ENXIO); + } + + err = device_probe_and_attach(sc->sc_bus.bdev); + if (err != 0) { + device_printf(dev, "Failed to initialize USB, with error %d\n", err); + xhci_detach(dev); + return (ENXIO); + } + + return (0); +} + +static int +xhci_detach(device_t dev) +{ + struct xhci_softc *sc = device_get_softc(dev); + device_t bdev; + int err; + + if (sc->sc_bus.bdev != NULL) { + bdev = sc->sc_bus.bdev; + device_detach(bdev); + device_delete_child(dev, bdev); + } + + /* during module unload there are lots of children leftover */ + device_delete_children(dev); + + if (sc->sc_irq_res != NULL && sc->sc_intr_hdl != NULL) { + err = bus_teardown_intr(dev, sc->sc_irq_res, sc->sc_intr_hdl); + if (err != 0) + device_printf(dev, "Could not tear down irq, %d\n", + err); + sc->sc_intr_hdl = NULL; + } + + if (sc->sc_irq_res != NULL) { + bus_release_resource(dev, SYS_RES_IRQ, + rman_get_rid(sc->sc_irq_res), sc->sc_irq_res); + sc->sc_irq_res = NULL; + } + + if (sc->sc_io_res != NULL) { + bus_release_resource(dev, SYS_RES_MEMORY, + rman_get_rid(sc->sc_io_res), sc->sc_io_res); + sc->sc_io_res = NULL; + } + + xhci_uninit(sc); + + return (0); +} + +static device_method_t xhci_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, xhci_probe), + DEVMETHOD(device_attach, xhci_attach), + DEVMETHOD(device_detach, xhci_detach), + DEVMETHOD(device_suspend, bus_generic_suspend), + DEVMETHOD(device_resume, bus_generic_resume), + DEVMETHOD(device_shutdown, bus_generic_shutdown), + + DEVMETHOD_END +}; + +static driver_t xhci_driver = { + "xhci", + xhci_methods, + sizeof(struct xhci_softc), +}; + +static devclass_t xhci_devclass; + +DRIVER_MODULE(xhci, simplebus, xhci_driver, xhci_devclass, 0, 0); +MODULE_DEPEND(xhci, usb, 1, 1, 1); |
