svn commit: r296827 - head/sys/dev/usb/controller

Wojciech Macek wma at FreeBSD.org
Mon Mar 14 07:24:09 UTC 2016


Author: wma
Date: Mon Mar 14 07:24:08 2016
New Revision: 296827
URL: https://svnweb.freebsd.org/changeset/base/296827

Log:
  Add xhci_mv.c
  
  Add missing xhci driver for Marvell systems.
  
  Submitted by:          Bartosz Szczepanek <bsz at semihalf.com>
  Obtained from:         Semihalf
  Sponsored by:          Stormshield
  Reviewed by:           hselasky
  Approved by:           cognet (mentor)
  Differential Revision: https://reviews.freebsd.org/D5031

Added:
  head/sys/dev/usb/controller/xhci_mv.c   (contents, props changed)

Added: head/sys/dev/usb/controller/xhci_mv.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/dev/usb/controller/xhci_mv.c	Mon Mar 14 07:24:08 2016	(r296827)
@@ -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);


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