1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2015 Semihalf.
5 * Copyright (c) 2015 Stormshield.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33#include "opt_bus.h"
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/bus.h>
38#include <sys/condvar.h>
39#include <sys/kernel.h>
40#include <sys/module.h>
41
42#include <dev/usb/usb.h>
43#include <dev/usb/usbdi.h>
44
45#include <dev/usb/usb_core.h>
46#include <dev/usb/usb_busdma.h>
47#include <dev/usb/usb_process.h>
48
49#include <dev/usb/usb_controller.h>
50#include <dev/usb/usb_bus.h>
51#include <dev/usb/controller/xhci.h>
52
53#include <dev/ofw/ofw_bus.h>
54#include <dev/ofw/ofw_bus_subr.h>
55
56#ifdef EXT_RESOURCES
57#include <dev/extres/phy/phy.h>
58#endif
59
60#include "generic_xhci.h"
61
62static struct ofw_compat_data compat_data[] = {
63	{"marvell,armada-380-xhci",	true},
64	{"marvell,armada3700-xhci",	true},
65	{"marvell,armada-8k-xhci",	true},
66	{"generic-xhci",		true},
67	{NULL,				false}
68};
69
70static int
71generic_xhci_fdt_probe(device_t dev)
72{
73
74	if (!ofw_bus_status_okay(dev))
75		return (ENXIO);
76
77	if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data)
78		return (ENXIO);
79
80	device_set_desc(dev, XHCI_HC_DEVSTR);
81
82	return (BUS_PROBE_DEFAULT);
83}
84
85static int
86generic_xhci_fdt_attach(device_t dev)
87{
88#ifdef EXT_RESOURCES
89	phandle_t node;
90	phy_t phy;
91
92	node = ofw_bus_get_node(dev);
93	if (phy_get_by_ofw_property(dev, node, "usb-phy", &phy) == 0)
94		if (phy_enable(phy) != 0)
95			device_printf(dev, "Cannot enable phy\n");
96#endif
97
98	return (generic_xhci_attach(dev));
99}
100
101static int
102generic_xhci_fdt_detach(device_t dev)
103{
104#ifdef EXT_RESOURCES
105	phandle_t node;
106	phy_t phy;
107#endif
108	int err;
109
110	err = generic_xhci_detach(dev);
111	if (err != 0)
112		return (err);
113
114#ifdef EXT_RESOURCES
115	node = ofw_bus_get_node(dev);
116	if (phy_get_by_ofw_property(dev, node, "usb-phy", &phy) == 0)
117		phy_release(phy);
118#endif
119
120	return (0);
121}
122
123static device_method_t xhci_fdt_methods[] = {
124	/* Device interface */
125	DEVMETHOD(device_probe, generic_xhci_fdt_probe),
126	DEVMETHOD(device_attach, generic_xhci_fdt_attach),
127	DEVMETHOD(device_detach, generic_xhci_fdt_detach),
128
129	DEVMETHOD_END
130};
131
132DEFINE_CLASS_1(xhci, xhci_fdt_driver, xhci_fdt_methods,
133    sizeof(struct xhci_softc), generic_xhci_driver);
134
135static devclass_t xhci_fdt_devclass;
136
137DRIVER_MODULE(xhci, simplebus, xhci_fdt_driver, xhci_fdt_devclass, 0, 0);
138MODULE_DEPEND(xhci, usb, 1, 1, 1);
139