Page MenuHomeFreeBSD
Files F157299428

D5481.id14746.diff
No OneTemporary
Actions

D5481.id14746.diff
View Options

Index: sys/arm/conf/A10
===================================================================
--- sys/arm/conf/A10
+++ sys/arm/conf/A10
@@ -88,7 +88,8 @@
#options USB_REQ_DEBUG
#options USB_VERBOSE
#device uhci
-#device ohci
+device ohci
+device generic_ohci
device ehci
device umass
Index: sys/arm/conf/A20
===================================================================
--- sys/arm/conf/A20
+++ sys/arm/conf/A20
@@ -98,7 +98,8 @@
#options USB_REQ_DEBUG
#options USB_VERBOSE
#device uhci
-#device ohci
+device ohci
+device generic_ohci
device ehci
device umass
Index: sys/conf/files
===================================================================
--- sys/conf/files
+++ sys/conf/files
@@ -2579,6 +2579,8 @@
dev/usb/controller/ehci_pci.c optional ehci pci
dev/usb/controller/ohci.c optional ohci
dev/usb/controller/ohci_pci.c optional ohci pci
+dev/usb/controller/generic_ohci.c optional ohci generic_ohci
+dev/usb/controller/generic_usb_if.m optional ohci generic_ohci
dev/usb/controller/uhci.c optional uhci
dev/usb/controller/uhci_pci.c optional uhci pci
dev/usb/controller/xhci.c optional xhci
Index: sys/dev/usb/controller/generic_ohci.c
===================================================================
--- /dev/null
+++ sys/dev/usb/controller/generic_ohci.c
@@ -0,0 +1,283 @@
+/*-
+ * Copyright (c) 2006 M. Warner Losh. All rights reserved.
+ * Copyright (c) 2016 Emmanuel Vadot <manu@bidouilliste.com>
+ * 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.
+ */
+
+/*
+ * Generic OHCI driver based on AT91 OHCI
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/rman.h>
+#include <sys/condvar.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+
+#include <machine/bus.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/ohci.h>
+#include <dev/usb/controller/ohcireg.h>
+
+#ifdef EXT_RESOURCES
+#include <dev/extres/clk/clk.h>
+#include <dev/extres/hwreset/hwreset.h>
+#endif
+
+#include "generic_usb_if.h"
+
+static int generic_ohci_detach(device_t);
+
+static int
+generic_ohci_probe(device_t dev)
+{
+
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+
+ if (!ofw_bus_is_compatible(dev, "generic-ohci"))
+ return (ENXIO);
+
+ device_set_desc(dev, "Generic OHCI Controller");
+
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+generic_ohci_attach(device_t dev)
+{
+ ohci_softc_t *sc = device_get_softc(dev);
+ int err, rid;
+#ifdef EXT_RESOURCES
+ int off;
+ hwreset_t rst;
+ clk_t clk;
+#endif
+
+ sc->sc_bus.parent = dev;
+ sc->sc_bus.devices = sc->sc_devices;
+ sc->sc_bus.devices_max = OHCI_MAX_DEVICES;
+ sc->sc_bus.dma_bits = 32;
+
+ /* get all DMA memory */
+ if (usb_bus_mem_alloc_all(&sc->sc_bus,
+ USB_GET_DMA_TAG(dev), &ohci_iterate_hw_softc)) {
+ return (ENOMEM);
+ }
+
+ rid = 0;
+ sc->sc_io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
+ &rid, RF_ACTIVE);
+ if (sc->sc_io_res == 0) {
+ err = ENOMEM;
+ goto error;
+ }
+
+ 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);
+
+ rid = 0;
+ sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
+ RF_ACTIVE);
+ if (sc->sc_irq_res == 0) {
+ err = ENXIO;
+ goto error;
+ }
+ sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
+ if (sc->sc_bus.bdev == 0) {
+ err = ENXIO;
+ goto error;
+ }
+ device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
+
+ strlcpy(sc->sc_vendor, "Generic", sizeof(sc->sc_vendor));
+
+ err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
+ NULL, (driver_intr_t *)ohci_interrupt, sc, &sc->sc_intr_hdl);
+ if (err) {
+ sc->sc_intr_hdl = NULL;
+ goto error;
+ }
+
+#ifdef EXT_RESOURCES
+ /* Enable clock */
+ for (off = 0; clk_get_by_ofw_index(dev, off, &clk) == 0; off++) {
+ err = clk_enable(clk);
+ if (err != 0) {
+ device_printf(dev, "Could not enable clock %s\n",
+ clk_get_name(clk));
+ goto error;
+ }
+ }
+
+ /* De-assert reset */
+ if (hwreset_get_by_ofw_idx(dev, 0, &rst) == 0) {
+ err = hwreset_deassert(rst);
+ if (err != 0) {
+ device_printf(dev, "Could not de-assert reset %d\n",
+ off);
+ goto error;
+ }
+ }
+#endif
+
+ if (GENERIC_USB_INIT(dev) != 0) {
+ err = ENXIO;
+ goto error;
+ }
+
+ err = ohci_init(sc);
+ if (err == 0)
+ err = device_probe_and_attach(sc->sc_bus.bdev);
+ if (err)
+ goto error;
+
+ return (0);
+error:
+ generic_ohci_detach(dev);
+ return (err);
+}
+
+static int
+generic_ohci_detach(device_t dev)
+{
+ ohci_softc_t *sc = device_get_softc(dev);
+ device_t bdev;
+ int err;
+#ifdef EXT_RESOURCES
+ int off;
+ hwreset_t rst;
+ clk_t clk;
+#endif
+
+ if (sc->sc_bus.bdev) {
+ 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);
+
+ /*
+ * Put the controller into reset, then disable clocks and do
+ * the MI tear down. We have to disable the clocks/hardware
+ * after we do the rest of the teardown. We also disable the
+ * clocks in the opposite order we acquire them, but that
+ * doesn't seem to be absolutely necessary. We free up the
+ * clocks after we disable them, so the system could, in
+ * theory, reuse them.
+ */
+ bus_space_write_4(sc->sc_io_tag, sc->sc_io_hdl, OHCI_CONTROL, 0);
+
+ if (sc->sc_irq_res && sc->sc_intr_hdl) {
+ /*
+ * only call ohci_detach() after ohci_init()
+ */
+ ohci_detach(sc);
+
+ err = bus_teardown_intr(dev, sc->sc_irq_res, sc->sc_intr_hdl);
+ sc->sc_intr_hdl = NULL;
+ }
+ if (sc->sc_irq_res) {
+ bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq_res);
+ sc->sc_irq_res = NULL;
+ }
+ if (sc->sc_io_res) {
+ bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->sc_io_res);
+ sc->sc_io_res = NULL;
+ }
+ usb_bus_mem_free_all(&sc->sc_bus, &ohci_iterate_hw_softc);
+
+#ifdef EXT_RESOURCES
+ /* Disable clock */
+ for (off = 0; clk_get_by_ofw_index(dev, off, &clk) == 0; off++) {
+ err = clk_disable(clk);
+ if (err != 0)
+ device_printf(dev, "Could not disable clock %s\n",
+ clk_get_name(clk));
+ err = clk_release(clk);
+ if (err != 0)
+ device_printf(dev, "Could not release clock %s\n",
+ clk_get_name(clk));
+ }
+
+ /* De-assert reset */
+ if (hwreset_get_by_ofw_idx(dev, 0, &rst) == 0) {
+ err = hwreset_assert(rst);
+ if (err != 0)
+ device_printf(dev, "Could not assert reset %d\n",
+ off);
+ hwreset_release(rst);
+ }
+#endif
+
+ if (GENERIC_USB_DEINIT(dev) != 0)
+ return (ENXIO);
+
+ return (0);
+}
+
+static device_method_t generic_ohci_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, generic_ohci_probe),
+ DEVMETHOD(device_attach, generic_ohci_attach),
+ DEVMETHOD(device_detach, generic_ohci_detach),
+
+ DEVMETHOD(device_suspend, bus_generic_suspend),
+ DEVMETHOD(device_resume, bus_generic_resume),
+ DEVMETHOD(device_shutdown, bus_generic_shutdown),
+
+ DEVMETHOD_END
+};
+
+driver_t generic_ohci_driver = {
+ .name = "ohci",
+ .methods = generic_ohci_methods,
+ .size = sizeof(ohci_softc_t),
+};
+
+static devclass_t generic_ohci_devclass;
+
+DRIVER_MODULE(ohci, simplebus, generic_ohci_driver,
+ generic_ohci_devclass, 0, 0);
+MODULE_DEPEND(ohci, usb, 1, 1, 1);
Index: sys/dev/usb/controller/generic_usb_if.m
===================================================================
--- /dev/null
+++ sys/dev/usb/controller/generic_usb_if.m
@@ -0,0 +1,60 @@
+#-
+# Copyright (c) 2016 Emmanuel Vadot <manu@bidouilliste.com>
+# 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.
+#
+# $FreeBSD$
+#
+
+INTERFACE generic_usb;
+
+CODE {
+ static int
+ generic_usb_default_init(device_t dev)
+ {
+ return (0);
+ }
+
+ static int
+ generic_usb_default_deinit(device_t dev)
+ {
+ return (0);
+ }
+};
+
+HEADER {
+};
+
+#
+# Initialize the SoC bits
+#
+METHOD int init {
+ device_t dev;
+} DEFAULT generic_usb_default_init;
+
+#
+# Deinitialize the SoC bits
+#
+METHOD int deinit {
+ device_t dev;
+} DEFAULT generic_usb_default_deinit;

File Metadata

Mime Type
text/plain
Expires
Thu, May 21, 3:28 AM (11 h, 46 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
33371540
Default Alt Text
D5481.id14746.diff (10 KB)

Event Timeline