svn commit: r209373 - user/jmallett/octeon/sys/mips/cavium/usb
Juli Mallett
jmallett at FreeBSD.org
Sun Jun 20 22:40:46 UTC 2010
Author: jmallett
Date: Sun Jun 20 22:40:46 2010
New Revision: 209373
URL: http://svn.freebsd.org/changeset/base/209373
Log:
Add a bus front-end to hps's Octeon USB controller based on his at91 front-end.
Added:
user/jmallett/octeon/sys/mips/cavium/usb/octusb_octeon.c
Added: user/jmallett/octeon/sys/mips/cavium/usb/octusb_octeon.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ user/jmallett/octeon/sys/mips/cavium/usb/octusb_octeon.c Sun Jun 20 22:40:46 2010 (r209373)
@@ -0,0 +1,223 @@
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: user/jmallett/octeon/sys/dev/usb/controller/octusb_atmelarm.c 196219 2009-08-14 20:03:53Z jhb $");
+
+/*-
+ * 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);
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