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#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*-
* Copyright (c) 2008 Hans Petter Selasky <hselasky@FreeBSD.org>
* 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/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 <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/uss820dci.h>
#include <sys/rman.h>
static device_probe_t uss820_atmelarm_probe;
static device_attach_t uss820_atmelarm_attach;
static device_detach_t uss820_atmelarm_detach;
static device_suspend_t uss820_atmelarm_suspend;
static device_resume_t uss820_atmelarm_resume;
static device_shutdown_t uss820_atmelarm_shutdown;
static device_method_t uss820dci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, uss820_atmelarm_probe),
DEVMETHOD(device_attach, uss820_atmelarm_attach),
DEVMETHOD(device_detach, uss820_atmelarm_detach),
DEVMETHOD(device_suspend, uss820_atmelarm_suspend),
DEVMETHOD(device_resume, uss820_atmelarm_resume),
DEVMETHOD(device_shutdown, uss820_atmelarm_shutdown),
DEVMETHOD_END
};
static driver_t uss820dci_driver = {
.name = "uss820",
.methods = uss820dci_methods,
.size = sizeof(struct uss820dci_softc),
};
static devclass_t uss820dci_devclass;
DRIVER_MODULE(uss820, atmelarm, uss820dci_driver, uss820dci_devclass, 0, 0);
MODULE_DEPEND(uss820, usb, 1, 1, 1);
static const char *const uss820_desc = "USS820 USB Device Controller";
static int
uss820_atmelarm_suspend(device_t dev)
{
struct uss820dci_softc *sc = device_get_softc(dev);
int err;
err = bus_generic_suspend(dev);
if (err == 0) {
uss820dci_suspend(sc);
}
return (err);
}
static int
uss820_atmelarm_resume(device_t dev)
{
struct uss820dci_softc *sc = device_get_softc(dev);
int err;
uss820dci_resume(sc);
err = bus_generic_resume(dev);
return (err);
}
static int
uss820_atmelarm_shutdown(device_t dev)
{
struct uss820dci_softc *sc = device_get_softc(dev);
int err;
err = bus_generic_shutdown(dev);
if (err)
return (err);
uss820dci_uninit(sc);
return (0);
}
static int
uss820_atmelarm_probe(device_t dev)
{
device_set_desc(dev, uss820_desc);
return (0); /* success */
}
static int
uss820_atmelarm_attach(device_t dev)
{
struct uss820dci_softc *sc = device_get_softc(dev);
int err;
int rid;
/* initialise some bus fields */
sc->sc_bus.parent = dev;
sc->sc_bus.devices = sc->sc_devices;
sc->sc_bus.devices_max = USS820_MAX_DEVICES;
/* get all DMA memory */
if (usb_bus_mem_alloc_all(&sc->sc_bus,
USB_GET_DMA_TAG(dev), NULL)) {
return (ENOMEM);
}
rid = 0;
sc->sc_io_res =
bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
if (!sc->sc_io_res) {
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_SHAREABLE | RF_ACTIVE);
if (sc->sc_irq_res == NULL) {
goto error;
}
sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
if (!(sc->sc_bus.bdev)) {
goto error;
}
device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
#if (__FreeBSD_version >= 700031)
err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
NULL, (driver_intr_t *)uss820dci_interrupt, sc, &sc->sc_intr_hdl);
#else
err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
(driver_intr_t *)uss820dci_interrupt, sc, &sc->sc_intr_hdl);
#endif
if (err) {
sc->sc_intr_hdl = NULL;
goto error;
}
err = uss820dci_init(sc);
if (err) {
device_printf(dev, "Init failed\n");
goto error;
}
err = device_probe_and_attach(sc->sc_bus.bdev);
if (err) {
device_printf(dev, "USB probe and attach failed\n");
goto error;
}
return (0);
error:
uss820_atmelarm_detach(dev);
return (ENXIO);
}
static int
uss820_atmelarm_detach(device_t dev)
{
struct uss820dci_softc *sc = device_get_softc(dev);
device_t bdev;
int err;
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_all_children(dev);
if (sc->sc_irq_res && sc->sc_intr_hdl) {
/*
* only call at91_udp_uninit() after at91_udp_init()
*/
uss820dci_uninit(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_IOPORT, 0,
sc->sc_io_res);
sc->sc_io_res = NULL;
}
usb_bus_mem_free_all(&sc->sc_bus, NULL);
return (0);
}
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