xref: /freebsd/sys/dev/smc/if_smc_acpi.c (revision 2e3f49888ec8851bafb22011533217487764fdb0)
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/param.h>
29 #include <sys/bus.h>
30 #include <sys/kernel.h>
31 #include <sys/module.h>
32 #include <sys/socket.h>
33 #include <sys/systm.h>
34 #include <sys/taskqueue.h>
35 
36 #include <net/if.h>
37 
38 #include <dev/smc/if_smcvar.h>
39 
40 #include <contrib/dev/acpica/include/acpi.h>
41 #include <dev/acpica/acpivar.h>
42 
43 static int		smc_acpi_probe(device_t);
44 
45 static int
46 smc_acpi_probe(device_t dev)
47 {
48 	struct	smc_softc *sc;
49 	ACPI_HANDLE h;
50 
51 	if ((h = acpi_get_handle(dev)) == NULL)
52 		return (ENXIO);
53 
54 	if (!acpi_MatchHid(h, "LNRO0003"))
55 		return (ENXIO);
56 
57 	sc = device_get_softc(dev);
58 	sc->smc_usemem = 1;
59 
60 	return (smc_probe(dev));
61 }
62 
63 static device_method_t smc_acpi_methods[] = {
64 	/* Device interface */
65 	DEVMETHOD(device_probe,		smc_acpi_probe),
66 	{ 0, 0 }
67 };
68 
69 DEFINE_CLASS_1(smc, smc_acpi_driver, smc_acpi_methods,
70     sizeof(struct smc_softc), smc_driver);
71 
72 DRIVER_MODULE(smc, acpi, smc_acpi_driver, 0, 0);
73 MODULE_DEPEND(smc, acpi, 1, 1, 1);
74 MODULE_DEPEND(smc, ether, 1, 1, 1);
75 MODULE_DEPEND(smc, miibus, 1, 1, 1);
76