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 */
41 static phynode_usb_method_t phynode_usb_methods[] = {
42
43 PHYNODEUSBMETHOD_END
44 };
45 DEFINE_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 */
51 struct phynode *
phynode_usb_create(device_t pdev,phynode_class_t phynode_class,struct phynode_usb_init_def * def)52 phynode_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
67 struct phynode
phynode_usb_register(struct phynode * 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 */
83 int
phynode_usb_set_mode(struct phynode * phynode,int usb_mode)84 phynode_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 */
99 int
phynode_usb_get_mode(struct phynode * phynode,int * usb_mode)100 phynode_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 */
phy_usb_set_mode(phy_t phy,int usb_mode)117 int 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
phy_usb_get_mode(phy_t phy,int * usb_mode)132 int 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