xref: /freebsd/sys/dev/smc/if_smc_acpi.c (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1 /*-
2  * Copyright (c) 2008 Benno Rice
3  * All rights reserved.
4  * Copyright (c) 2020 Andrew Turner
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  */
27 
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
30 
31 #include <sys/param.h>
32 #include <sys/bus.h>
33 #include <sys/kernel.h>
34 #include <sys/module.h>
35 #include <sys/socket.h>
36 #include <sys/systm.h>
37 #include <sys/taskqueue.h>
38 
39 #include <net/if.h>
40 
41 #include <dev/smc/if_smcvar.h>
42 
43 #include <contrib/dev/acpica/include/acpi.h>
44 #include <dev/acpica/acpivar.h>
45 
46 static int		smc_acpi_probe(device_t);
47 
48 static int
49 smc_acpi_probe(device_t dev)
50 {
51 	struct	smc_softc *sc;
52 	ACPI_HANDLE h;
53 
54 	if ((h = acpi_get_handle(dev)) == NULL)
55 		return (ENXIO);
56 
57 	if (!acpi_MatchHid(h, "LNRO0003"))
58 		return (ENXIO);
59 
60 	sc = device_get_softc(dev);
61 	sc->smc_usemem = 1;
62 
63 	return (smc_probe(dev));
64 }
65 
66 static device_method_t smc_acpi_methods[] = {
67 	/* Device interface */
68 	DEVMETHOD(device_probe,		smc_acpi_probe),
69 	{ 0, 0 }
70 };
71 
72 DEFINE_CLASS_1(smc, smc_acpi_driver, smc_acpi_methods,
73     sizeof(struct smc_softc), smc_driver);
74 
75 extern devclass_t smc_devclass;
76 
77 DRIVER_MODULE(smc, acpi, smc_acpi_driver, smc_devclass, 0, 0);
78 MODULE_DEPEND(smc, acpi, 1, 1, 1);
79 MODULE_DEPEND(smc, ether, 1, 1, 1);
80 MODULE_DEPEND(smc, miibus, 1, 1, 1);
81