1/*
2 * Copyright 2015 Andrew Turner.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *  1. Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 *  2. Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
22 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD$");
30
31#include <sys/param.h>
32#include <sys/kernel.h>
33#include <sys/bus.h>
34#include <sys/callout.h>
35#include <sys/condvar.h>
36#include <sys/module.h>
37
38#include <dev/ofw/ofw_bus_subr.h>
39
40#include <dev/usb/usb.h>
41#include <dev/usb/usbdi.h>
42
43#include <dev/usb/usb_busdma.h>
44#include <dev/usb/usb_process.h>
45
46#include <dev/usb/usb_controller.h>
47#include <dev/usb/usb_bus.h>
48
49#include <dev/usb/controller/dwc_otg.h>
50#include <dev/usb/controller/dwc_otg_fdt.h>
51
52static device_probe_t hisi_dwc_otg_probe;
53static device_attach_t hisi_dwc_otg_attach;
54
55static int
56hisi_dwc_otg_probe(device_t dev)
57{
58
59	if (!ofw_bus_status_okay(dev))
60		return (ENXIO);
61
62	if (!ofw_bus_is_compatible(dev, "huawei,hisi-usb"))
63		return (ENXIO);
64
65	device_set_desc(dev, "DWC OTG 2.0 integrated USB controller (hisilicon)");
66
67	return (BUS_PROBE_VENDOR);
68}
69
70static int
71hisi_dwc_otg_attach(device_t dev)
72{
73	struct dwc_otg_fdt_softc *sc;
74
75	/* Set the default to host mode. */
76	/* TODO: Use vbus to detect this. */
77	sc = device_get_softc(dev);
78	sc->sc_otg.sc_mode = DWC_MODE_HOST;
79
80	return (dwc_otg_attach(dev));
81}
82
83static device_method_t hisi_dwc_otg_methods[] = {
84	/* bus interface */
85	DEVMETHOD(device_probe, hisi_dwc_otg_probe),
86	DEVMETHOD(device_attach, hisi_dwc_otg_attach),
87
88	DEVMETHOD_END
89};
90
91static devclass_t hisi_dwc_otg_devclass;
92
93DEFINE_CLASS_1(hisi_dwcotg, hisi_dwc_otg_driver, hisi_dwc_otg_methods,
94    sizeof(struct dwc_otg_fdt_softc), dwc_otg_driver);
95DRIVER_MODULE(hisi_dwcotg, simplebus, hisi_dwc_otg_driver,
96    hisi_dwc_otg_devclass, 0, 0);
97MODULE_DEPEND(hisi_dwcotg, usb, 1, 1, 1);
98