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/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include <sys/param.h>
31#include <sys/kernel.h>
32#include <sys/lock.h>
33#include <sys/queue.h>
34#include <sys/sx.h>
35
36
37#include <dev/extres/phy/phy_usb.h>
38#include <dev/extres/phy/phy_internal.h>
39
40#include "phydev_if.h"
41
42/*
43 * USB phy controller methods.
44 */
45static phynode_usb_method_t phynode_usb_methods[] = {
46
47	PHYNODEUSBMETHOD_END
48};
49DEFINE_CLASS_1(phynode_usb, phynode_usb_class, phynode_usb_methods,
50    0, phynode_class);
51
52/*
53 * Create and initialize phy object, but do not register it.
54 */
55struct phynode *
56phynode_usb_create(device_t pdev, phynode_class_t phynode_class,
57    struct phynode_usb_init_def *def)
58
59{
60	struct phynode *phynode;
61	struct phynode_usb_sc *sc;
62
63	phynode = phynode_create(pdev, phynode_class, &def->phynode_init_def);
64	if (phynode == NULL)
65		return (NULL);
66	sc = phynode_get_softc(phynode);
67	sc->std_param = def->std_param;
68	return (phynode);
69}
70
71struct phynode
72*phynode_usb_register(struct phynode *phynode)
73{
74
75	return (phynode_register(phynode));
76}
77
78/* --------------------------------------------------------------------------
79 *
80 * Real consumers executive
81 *
82 */
83
84/*
85 * Set USB phy mode. (PHY_USB_MODE_*)
86 */
87int
88phynode_usb_set_mode(struct phynode *phynode, int usb_mode)
89{
90	int rv;
91
92	PHY_TOPO_ASSERT();
93
94	PHYNODE_XLOCK(phynode);
95	rv = PHYNODE_USB_SET_MODE(phynode, usb_mode);
96	PHYNODE_UNLOCK(phynode);
97	return (rv);
98}
99
100/*
101 * Get USB phy mode. (PHY_USB_MODE_*)
102 */
103int
104phynode_usb_get_mode(struct phynode *phynode, int *usb_mode)
105{
106	int rv;
107
108	PHY_TOPO_ASSERT();
109
110	PHYNODE_XLOCK(phynode);
111	rv = PHYNODE_USB_GET_MODE(phynode, usb_mode);
112	PHYNODE_UNLOCK(phynode);
113	return (rv);
114}
115
116 /* --------------------------------------------------------------------------
117 *
118 * USB phy consumers interface.
119 *
120 */
121int phy_usb_set_mode(phy_t phy, int usb_mode)
122{
123	int rv;
124	struct phynode *phynode;
125
126	phynode = phy->phynode;
127	KASSERT(phynode->ref_cnt > 0,
128	   ("Attempt to access unreferenced phy.\n"));
129
130	PHY_TOPO_SLOCK();
131	rv = phynode_usb_set_mode(phynode, usb_mode);
132	PHY_TOPO_UNLOCK();
133	return (rv);
134}
135
136int phy_usb_get_mode(phy_t phy, int *usb_mode)
137{
138	int rv;
139	struct phynode *phynode;
140
141	phynode = phy->phynode;
142	KASSERT(phynode->ref_cnt > 0,
143	   ("Attempt to access unreferenced phy.\n"));
144
145	PHY_TOPO_SLOCK();
146	rv = phynode_usb_get_mode(phynode, usb_mode);
147	PHY_TOPO_UNLOCK();
148	return (rv);
149}
150