1 /*-
2 * Copyright 2018 Michal Meloun <[email protected]>
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 #include <sys/param.h>
29 #include <sys/systm.h>
30 #include <sys/kernel.h>
31 #include <sys/lock.h>
32 #include <sys/queue.h>
33 #include <sys/sx.h>
34
35
36 #include <dev/extres/phy/phy_usb.h>
37 #include <dev/extres/phy/phy_internal.h>
38
39 /*
40 * USB phy controller methods.
41 */
42 static phynode_usb_method_t phynode_usb_methods[] = {
43
44 PHYNODEUSBMETHOD_END
45 };
46 DEFINE_CLASS_1(phynode_usb, phynode_usb_class, phynode_usb_methods,
47 0, phynode_class);
48
49 /*
50 * Create and initialize phy object, but do not register it.
51 */
52 struct phynode *
phynode_usb_create(device_t pdev,phynode_class_t phynode_class,struct phynode_usb_init_def * def)53 phynode_usb_create(device_t pdev, phynode_class_t phynode_class,
54 struct phynode_usb_init_def *def)
55
56 {
57 struct phynode *phynode;
58 struct phynode_usb_sc *sc;
59
60 phynode = phynode_create(pdev, phynode_class, &def->phynode_init_def);
61 if (phynode == NULL)
62 return (NULL);
63 sc = phynode_get_softc(phynode);
64 sc->std_param = def->std_param;
65 return (phynode);
66 }
67
68 struct phynode
phynode_usb_register(struct phynode * phynode)69 *phynode_usb_register(struct phynode *phynode)
70 {
71
72 return (phynode_register(phynode));
73 }
74
75 /* --------------------------------------------------------------------------
76 *
77 * Real consumers executive
78 *
79 */
80
81 /*
82 * Set USB phy mode. (PHY_USB_MODE_*)
83 */
84 int
phynode_usb_set_mode(struct phynode * phynode,int usb_mode)85 phynode_usb_set_mode(struct phynode *phynode, int usb_mode)
86 {
87 int rv;
88
89 PHY_TOPO_ASSERT();
90
91 PHYNODE_XLOCK(phynode);
92 rv = PHYNODE_USB_SET_MODE(phynode, usb_mode);
93 PHYNODE_UNLOCK(phynode);
94 return (rv);
95 }
96
97 /*
98 * Get USB phy mode. (PHY_USB_MODE_*)
99 */
100 int
phynode_usb_get_mode(struct phynode * phynode,int * usb_mode)101 phynode_usb_get_mode(struct phynode *phynode, int *usb_mode)
102 {
103 int rv;
104
105 PHY_TOPO_ASSERT();
106
107 PHYNODE_XLOCK(phynode);
108 rv = PHYNODE_USB_GET_MODE(phynode, usb_mode);
109 PHYNODE_UNLOCK(phynode);
110 return (rv);
111 }
112
113 /* --------------------------------------------------------------------------
114 *
115 * USB phy consumers interface.
116 *
117 */
phy_usb_set_mode(phy_t phy,int usb_mode)118 int phy_usb_set_mode(phy_t phy, int usb_mode)
119 {
120 int rv;
121 struct phynode *phynode;
122
123 phynode = phy->phynode;
124 KASSERT(phynode->ref_cnt > 0,
125 ("Attempt to access unreferenced phy.\n"));
126
127 PHY_TOPO_SLOCK();
128 rv = phynode_usb_set_mode(phynode, usb_mode);
129 PHY_TOPO_UNLOCK();
130 return (rv);
131 }
132
phy_usb_get_mode(phy_t phy,int * usb_mode)133 int phy_usb_get_mode(phy_t phy, int *usb_mode)
134 {
135 int rv;
136 struct phynode *phynode;
137
138 phynode = phy->phynode;
139 KASSERT(phynode->ref_cnt > 0,
140 ("Attempt to access unreferenced phy.\n"));
141
142 PHY_TOPO_SLOCK();
143 rv = phynode_usb_get_mode(phynode, usb_mode);
144 PHY_TOPO_UNLOCK();
145 return (rv);
146 }
147