xref: /freebsd/sys/amd64/acpica/acpi_machdep.c (revision 39beb93c)
1 /*-
2  * Copyright (c) 2001 Mitsuru IWASAKI
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 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 #include <sys/bus.h>
32 #include <sys/kernel.h>
33 #include <sys/module.h>
34 
35 #include <contrib/dev/acpica/acpi.h>
36 #include <dev/acpica/acpivar.h>
37 
38 #include <machine/nexusvar.h>
39 
40 static int intr_model = ACPI_INTR_PIC;
41 
42 int
43 acpi_machdep_init(device_t dev)
44 {
45 	struct	acpi_softc *sc;
46 
47 	sc = devclass_get_softc(devclass_find("acpi"), 0);
48 	acpi_install_wakeup_handler(sc);
49 
50 	if (intr_model != ACPI_INTR_PIC)
51 		acpi_SetIntrModel(intr_model);
52 
53 	return (0);
54 }
55 
56 void
57 acpi_SetDefaultIntrModel(int model)
58 {
59 
60 	intr_model = model;
61 }
62 
63 int
64 acpi_machdep_quirks(int *quirks)
65 {
66 	return (0);
67 }
68 
69 void
70 acpi_cpu_c1()
71 {
72 	__asm __volatile("sti; hlt");
73 }
74 
75 /*
76  * ACPI nexus(4) driver.
77  */
78 static int
79 nexus_acpi_probe(device_t dev)
80 {
81 	int error;
82 
83 	error = acpi_identify();
84 	if (error)
85 		return (error);
86 
87 	return (BUS_PROBE_DEFAULT);
88 }
89 
90 static int
91 nexus_acpi_attach(device_t dev)
92 {
93 
94 	nexus_init_resources();
95 	bus_generic_probe(dev);
96 	if (BUS_ADD_CHILD(dev, 10, "acpi", 0) == NULL)
97 		panic("failed to add acpi0 device");
98 
99 	return (bus_generic_attach(dev));
100 }
101 
102 static device_method_t nexus_acpi_methods[] = {
103 	/* Device interface */
104 	DEVMETHOD(device_probe,		nexus_acpi_probe),
105 	DEVMETHOD(device_attach,	nexus_acpi_attach),
106 
107 	{ 0, 0 }
108 };
109 
110 DEFINE_CLASS_1(nexus, nexus_acpi_driver, nexus_acpi_methods, 1, nexus_driver);
111 static devclass_t nexus_devclass;
112 
113 DRIVER_MODULE(nexus_acpi, root, nexus_acpi_driver, nexus_devclass, 0, 0);
114