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/param.h>
29 #include <sys/kernel.h>
30 #include <sys/bus.h>
31 #include <sys/callout.h>
32 #include <sys/condvar.h>
33 #include <sys/module.h>
34
35 #include <dev/ofw/ofw_bus_subr.h>
36
37 #include <dev/usb/usb.h>
38 #include <dev/usb/usbdi.h>
39
40 #include <dev/usb/usb_busdma.h>
41 #include <dev/usb/usb_process.h>
42
43 #include <dev/usb/usb_controller.h>
44 #include <dev/usb/usb_bus.h>
45
46 #include <dev/usb/controller/dwc_otg.h>
47 #include <dev/usb/controller/dwc_otg_fdt.h>
48
49 static device_probe_t hisi_dwc_otg_probe;
50 static device_attach_t hisi_dwc_otg_attach;
51
52 static int
hisi_dwc_otg_probe(device_t dev)53 hisi_dwc_otg_probe(device_t dev)
54 {
55
56 if (!ofw_bus_status_okay(dev))
57 return (ENXIO);
58
59 if (!ofw_bus_is_compatible(dev, "huawei,hisi-usb"))
60 return (ENXIO);
61
62 device_set_desc(dev, "DWC OTG 2.0 integrated USB controller (hisilicon)");
63
64 return (BUS_PROBE_VENDOR);
65 }
66
67 static int
hisi_dwc_otg_attach(device_t dev)68 hisi_dwc_otg_attach(device_t dev)
69 {
70 struct dwc_otg_fdt_softc *sc;
71
72 /* Set the default to host mode. */
73 /* TODO: Use vbus to detect this. */
74 sc = device_get_softc(dev);
75 sc->sc_otg.sc_mode = DWC_MODE_HOST;
76
77 return (dwc_otg_attach(dev));
78 }
79
80 static device_method_t hisi_dwc_otg_methods[] = {
81 /* bus interface */
82 DEVMETHOD(device_probe, hisi_dwc_otg_probe),
83 DEVMETHOD(device_attach, hisi_dwc_otg_attach),
84
85 DEVMETHOD_END
86 };
87
88 DEFINE_CLASS_1(hisi_dwcotg, hisi_dwc_otg_driver, hisi_dwc_otg_methods,
89 sizeof(struct dwc_otg_fdt_softc), dwc_otg_driver);
90 DRIVER_MODULE(hisi_dwcotg, simplebus, hisi_dwc_otg_driver, 0, 0);
91 MODULE_DEPEND(hisi_dwcotg, usb, 1, 1, 1);
92