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/*
* Copyright 2015 Andrew Turner.
* 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 <sys/param.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/callout.h>
#include <sys/condvar.h>
#include <sys/module.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usb_busdma.h>
#include <dev/usb/usb_process.h>
#include <dev/usb/usb_controller.h>
#include <dev/usb/usb_bus.h>
#include <dev/usb/controller/dwc_otg.h>
#include <dev/usb/controller/dwc_otg_fdt.h>
#include <arm/broadcom/bcm2835/bcm2835_mbox_prop.h>
static struct ofw_compat_data compat_data[] = {
{"broadcom,bcm2835-usb", 1},
{"brcm,bcm2835-usb", 1},
{"brcm,bcm2708-usb", 1},
{NULL, 0}
};
static device_probe_t bcm283x_dwc_otg_probe;
static device_attach_t bcm283x_dwc_otg_attach;
static int
bcm283x_dwc_otg_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
return (ENXIO);
device_set_desc(dev, "DWC OTG 2.0 integrated USB controller (bcm283x)");
return (BUS_PROBE_VENDOR);
}
static int
bcm283x_dwc_otg_attach(device_t dev)
{
int err;
err = bcm2835_mbox_set_power_state(BCM2835_MBOX_POWER_ID_USB_HCD, TRUE);
if (err)
device_printf(dev, "failed to set power state, err=%d\n", err);
return (dwc_otg_attach(dev));
}
static device_method_t bcm283x_dwc_otg_methods[] = {
/* bus interface */
DEVMETHOD(device_probe, bcm283x_dwc_otg_probe),
DEVMETHOD(device_attach, bcm283x_dwc_otg_attach),
DEVMETHOD_END
};
DEFINE_CLASS_1(bcm283x_dwcotg, bcm283x_dwc_otg_driver, bcm283x_dwc_otg_methods,
sizeof(struct dwc_otg_fdt_softc), dwc_otg_driver);
DRIVER_MODULE(bcm283x_dwcotg, simplebus, bcm283x_dwc_otg_driver, 0, 0);
MODULE_DEPEND(bcm283x_dwcotg, usb, 1, 1, 1);
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