diff options
Diffstat (limited to 'sys/mips/cavium/usb/octusb_octeon.c')
| -rw-r--r-- | sys/mips/cavium/usb/octusb_octeon.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/sys/mips/cavium/usb/octusb_octeon.c b/sys/mips/cavium/usb/octusb_octeon.c new file mode 100644 index 0000000..edd8290 --- /dev/null +++ b/sys/mips/cavium/usb/octusb_octeon.c @@ -0,0 +1,223 @@ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/*- + * 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/linker_set.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 <contrib/octeon-sdk/cvmx-interrupt.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; +static device_shutdown_t octusb_octeon_shutdown; + +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; + + /* 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; + + /* get all DMA memory */ + if (usb_bus_mem_alloc_all(&sc->sc_dci.sc_bus, + USB_GET_DMA_TAG(dev), NULL)) { + return (ENOMEM); + } + rid = 0; + sc->sc_dci.sc_irq_res = + bus_alloc_resource(dev, SYS_RES_IRQ, &rid, + CVMX_IRQ_USB, CVMX_IRQ_USB, 1, RF_ACTIVE); + if (!(sc->sc_dci.sc_irq_res)) { + 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); + +#if (__FreeBSD_version >= 700031) + err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, + NULL, (driver_intr_t *)octusb_interrupt, sc, &sc->sc_dci.sc_intr_hdl); +#else + err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE, + (driver_intr_t *)octusb_interrupt, sc, &sc->sc_dci.sc_intr_hdl); +#endif + if (err) { + sc->sc_dci.sc_intr_hdl = NULL; + goto error; + } + 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); + device_t bdev; + int err; + + if (sc->sc_dci.sc_bus.bdev) { + bdev = sc->sc_dci.sc_bus.bdev; + device_detach(bdev); + device_delete_child(dev, bdev); + } + /* during module unload there are lots of children leftover */ + device_delete_all_children(dev); + + if (sc->sc_dci.sc_irq_res && sc->sc_dci.sc_intr_hdl) { + /* + * only call octusb_octeon_uninit() after octusb_octeon_init() + */ + octusb_uninit(&sc->sc_dci); + + err = bus_teardown_intr(dev, sc->sc_dci.sc_irq_res, + sc->sc_dci.sc_intr_hdl); + sc->sc_dci.sc_intr_hdl = NULL; + } + if (sc->sc_dci.sc_irq_res) { + bus_release_resource(dev, SYS_RES_IRQ, 0, + sc->sc_dci.sc_irq_res); + sc->sc_dci.sc_irq_res = NULL; + } + usb_bus_mem_free_all(&sc->sc_dci.sc_bus, NULL); + + return (0); +} + +static int +octusb_octeon_shutdown(device_t dev) +{ + struct octusb_octeon_softc *sc = device_get_softc(dev); + int err; + + err = bus_generic_shutdown(dev); + if (err) + return (err); + + octusb_uninit(&sc->sc_dci); + + 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_shutdown, octusb_octeon_shutdown), + + /* Bus interface */ + DEVMETHOD(bus_print_child, bus_generic_print_child), + + {0, 0} +}; + +static driver_t octusb_octeon_driver = { + "octusb", + octusb_octeon_methods, + sizeof(struct octusb_octeon_softc), +}; + +static devclass_t octusb_octeon_devclass; + +DRIVER_MODULE(octusb, ciu, octusb_octeon_driver, octusb_octeon_devclass, 0, 0); |
