2 * Copyright (c) 2011-2012 Stefan Bethke.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/module.h>
34 #include <dev/mdio/mdio.h>
39 mdio_identify(driver_t *driver, device_t parent)
42 if (device_find_child(parent, mdio_driver.name, -1) == NULL)
43 BUS_ADD_CHILD(parent, 0, mdio_driver.name, -1);
47 mdio_probe(device_t dev)
50 device_set_desc(dev, "MDIO");
52 return (BUS_PROBE_SPECIFIC);
56 mdio_attach(device_t dev)
59 bus_generic_probe(dev);
60 bus_enumerate_hinted_children(dev);
61 return (bus_generic_attach(dev));
65 mdio_detach(device_t dev)
68 bus_generic_detach(dev);
73 mdio_readreg(device_t dev, int phy, int reg)
76 return (MDIO_READREG(device_get_parent(dev), phy, reg));
80 mdio_writereg(device_t dev, int phy, int reg, int val)
83 return (MDIO_WRITEREG(device_get_parent(dev), phy, reg, val));
87 mdio_readextreg(device_t dev, int phy, int devad, int reg)
90 return (MDIO_READEXTREG(device_get_parent(dev), phy, devad, reg));
94 mdio_writeextreg(device_t dev, int phy, int devad, int reg,
98 return (MDIO_WRITEEXTREG(device_get_parent(dev), phy, devad, reg, val));
102 mdio_hinted_child(device_t dev, const char *name, int unit)
105 device_add_child(dev, name, unit);
108 static device_method_t mdio_methods[] = {
109 /* device interface */
110 DEVMETHOD(device_identify, mdio_identify),
111 DEVMETHOD(device_probe, mdio_probe),
112 DEVMETHOD(device_attach, mdio_attach),
113 DEVMETHOD(device_detach, mdio_detach),
114 DEVMETHOD(device_shutdown, bus_generic_shutdown),
117 DEVMETHOD(bus_add_child, device_add_child_ordered),
118 DEVMETHOD(bus_hinted_child, mdio_hinted_child),
121 DEVMETHOD(mdio_readreg, mdio_readreg),
122 DEVMETHOD(mdio_writereg, mdio_writereg),
123 DEVMETHOD(mdio_readextreg, mdio_readextreg),
124 DEVMETHOD(mdio_writeextreg, mdio_writeextreg),
129 driver_t mdio_driver = {
135 devclass_t mdio_devclass;
137 MODULE_VERSION(mdio, 1);