xref: /trueos/sys/arm/xscale/pxa/if_smc_smi.c (revision 7de85345e25c2b8add525cfa6140298f0b6984e9)
1 /*-
2  * Copyright (c) 2008 Benno Rice
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 ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 #include <sys/bus.h>
32 #include <sys/kernel.h>
33 #include <sys/module.h>
34 #include <sys/socket.h>
35 #include <sys/systm.h>
36 #include <sys/taskqueue.h>
37 
38 #include <machine/bus.h>
39 #include <machine/resource.h>
40 
41 #include <net/ethernet.h>
42 #include <net/if.h>
43 #include <net/if_arp.h>
44 #include <net/if_media.h>
45 
46 #include <dev/smc/if_smcvar.h>
47 
48 #include <dev/mii/mii.h>
49 #include <dev/mii/miivar.h>
50 
51 #include "miibus_if.h"
52 
53 #include <arm/xscale/pxa/pxareg.h>
54 #include <arm/xscale/pxa/pxavar.h>
55 
56 static int		smc_smi_probe(device_t);
57 static int		smc_smi_attach(device_t);
58 static int		smc_smi_detach(device_t);
59 
60 static int
smc_smi_probe(device_t dev)61 smc_smi_probe(device_t dev)
62 {
63 	struct	smc_softc *sc;
64 
65 	sc = device_get_softc(dev);
66 	sc->smc_usemem = 1;
67 
68 	if (smc_probe(dev) != 0) {
69 		return (ENXIO);
70 	}
71 	return (0);
72 }
73 
74 static int
smc_smi_attach(device_t dev)75 smc_smi_attach(device_t dev)
76 {
77 	int	err;
78  	struct	smc_softc *sc;
79 
80 	sc = device_get_softc(dev);
81 
82 	err = smc_attach(dev);
83 	if (err) {
84 		return (err);
85 	}
86 
87 	return (0);
88 }
89 
90 static int
smc_smi_detach(device_t dev)91 smc_smi_detach(device_t dev)
92 {
93 
94 	smc_detach(dev);
95 
96 	return (0);
97 }
98 
99 static device_method_t smc_smi_methods[] = {
100 	/* Device interface */
101 	DEVMETHOD(device_probe,		smc_smi_probe),
102 	DEVMETHOD(device_attach,	smc_smi_attach),
103 	DEVMETHOD(device_detach,	smc_smi_detach),
104 
105 	/* MII interface */
106 	DEVMETHOD(miibus_readreg,	smc_miibus_readreg),
107 	DEVMETHOD(miibus_writereg,	smc_miibus_writereg),
108 	DEVMETHOD(miibus_statchg,	smc_miibus_statchg),
109 
110 	{ 0, 0 }
111 };
112 
113 static driver_t smc_smi_driver = {
114 	"smc",
115 	smc_smi_methods,
116 	sizeof(struct smc_softc),
117 };
118 
119 extern devclass_t smc_devclass;
120 
121 DRIVER_MODULE(smc, smi, smc_smi_driver, smc_devclass, 0, 0);
122 DRIVER_MODULE(miibus, smc, miibus_driver, miibus_devclass, 0, 0);
123 MODULE_DEPEND(smc, smi, 1, 1, 1);
124 MODULE_DEPEND(smc, ether, 1, 1, 1);
125 MODULE_DEPEND(smc, miibus, 1, 1, 1);
126