1/*-
2 * Copyright 2018 Michal Meloun <mmel@FreeBSD.org>
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
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/param.h>
28#include <sys/systm.h>
29#include <sys/kernel.h>
30#include <sys/lock.h>
31#include <sys/queue.h>
32#include <sys/sx.h>
33
34
35#include <dev/phy/phy_usb.h>
36#include <dev/phy/phy_internal.h>
37
38/*
39 * USB phy controller methods.
40 */
41static phynode_usb_method_t phynode_usb_methods[] = {
42
43	PHYNODEUSBMETHOD_END
44};
45DEFINE_CLASS_1(phynode_usb, phynode_usb_class, phynode_usb_methods,
46    0, phynode_class);
47
48/*
49 * Create and initialize phy object, but do not register it.
50 */
51struct phynode *
52phynode_usb_create(device_t pdev, phynode_class_t phynode_class,
53    struct phynode_usb_init_def *def)
54
55{
56	struct phynode *phynode;
57	struct phynode_usb_sc *sc;
58
59	phynode = phynode_create(pdev, phynode_class, &def->phynode_init_def);
60	if (phynode == NULL)
61		return (NULL);
62	sc = phynode_get_softc(phynode);
63	sc->std_param = def->std_param;
64	return (phynode);
65}
66
67struct phynode
68*phynode_usb_register(struct phynode *phynode)
69{
70
71	return (phynode_register(phynode));
72}
73
74/* --------------------------------------------------------------------------
75 *
76 * Real consumers executive
77 *
78 */
79
80/*
81 * Set USB phy mode. (PHY_USB_MODE_*)
82 */
83int
84phynode_usb_set_mode(struct phynode *phynode, int usb_mode)
85{
86	int rv;
87
88	PHY_TOPO_ASSERT();
89
90	PHYNODE_XLOCK(phynode);
91	rv = PHYNODE_USB_SET_MODE(phynode, usb_mode);
92	PHYNODE_UNLOCK(phynode);
93	return (rv);
94}
95
96/*
97 * Get USB phy mode. (PHY_USB_MODE_*)
98 */
99int
100phynode_usb_get_mode(struct phynode *phynode, int *usb_mode)
101{
102	int rv;
103
104	PHY_TOPO_ASSERT();
105
106	PHYNODE_XLOCK(phynode);
107	rv = PHYNODE_USB_GET_MODE(phynode, usb_mode);
108	PHYNODE_UNLOCK(phynode);
109	return (rv);
110}
111
112 /* --------------------------------------------------------------------------
113 *
114 * USB phy consumers interface.
115 *
116 */
117int phy_usb_set_mode(phy_t phy, int usb_mode)
118{
119	int rv;
120	struct phynode *phynode;
121
122	phynode = phy->phynode;
123	KASSERT(phynode->ref_cnt > 0,
124	   ("Attempt to access unreferenced phy.\n"));
125
126	PHY_TOPO_SLOCK();
127	rv = phynode_usb_set_mode(phynode, usb_mode);
128	PHY_TOPO_UNLOCK();
129	return (rv);
130}
131
132int phy_usb_get_mode(phy_t phy, int *usb_mode)
133{
134	int rv;
135	struct phynode *phynode;
136
137	phynode = phy->phynode;
138	KASSERT(phynode->ref_cnt > 0,
139	   ("Attempt to access unreferenced phy.\n"));
140
141	PHY_TOPO_SLOCK();
142	rv = phynode_usb_get_mode(phynode, usb_mode);
143	PHY_TOPO_UNLOCK();
144	return (rv);
145}
146