2 * Copyright (c) 2001 Mitsuru IWASAKI
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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
32 #include <sys/kernel.h>
33 #include <sys/module.h>
34 #include <sys/sysctl.h>
36 #include <contrib/dev/acpica/include/acpi.h>
38 #include <dev/acpica/acpivar.h>
40 #include <machine/nexusvar.h>
42 SYSCTL_DECL(_debug_acpi);
45 TUNABLE_INT("debug.acpi.resume_beep", &acpi_resume_beep);
46 SYSCTL_INT(_debug_acpi, OID_AUTO, resume_beep, CTLFLAG_RW, &acpi_resume_beep,
47 0, "Beep the PC speaker when resuming");
50 TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video);
52 static int intr_model = ACPI_INTR_PIC;
53 static struct apm_clone_data acpi_clone;
56 acpi_machdep_init(device_t dev)
58 struct acpi_softc *sc;
60 sc = devclass_get_softc(devclass_find("acpi"), 0);
62 /* Create a fake clone for /dev/acpi. */
63 STAILQ_INIT(&sc->apm_cdevs);
64 acpi_clone.cdev = sc->acpi_dev_t;
65 acpi_clone.acpi_sc = sc;
67 STAILQ_INSERT_TAIL(&sc->apm_cdevs, &acpi_clone, entries);
69 sc->acpi_clone = &acpi_clone;
70 acpi_install_wakeup_handler(sc);
72 if (intr_model != ACPI_INTR_PIC)
73 acpi_SetIntrModel(intr_model);
75 SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx,
76 SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO,
77 "reset_video", CTLFLAG_RW, &acpi_reset_video, 0,
78 "Call the VESA reset BIOS vector on the resume path");
84 acpi_SetDefaultIntrModel(int model)
91 acpi_machdep_quirks(int *quirks)
99 __asm __volatile("sti; hlt");
103 * ACPI nexus(4) driver.
106 nexus_acpi_probe(device_t dev)
110 error = acpi_identify();
114 return (BUS_PROBE_DEFAULT);
118 nexus_acpi_attach(device_t dev)
121 nexus_init_resources();
122 bus_generic_probe(dev);
123 if (BUS_ADD_CHILD(dev, 10, "acpi", 0) == NULL)
124 panic("failed to add acpi0 device");
126 return (bus_generic_attach(dev));
129 static device_method_t nexus_acpi_methods[] = {
130 /* Device interface */
131 DEVMETHOD(device_probe, nexus_acpi_probe),
132 DEVMETHOD(device_attach, nexus_acpi_attach),
137 DEFINE_CLASS_1(nexus, nexus_acpi_driver, nexus_acpi_methods, 1, nexus_driver);
138 static devclass_t nexus_devclass;
140 DRIVER_MODULE(nexus_acpi, root, nexus_acpi_driver, nexus_devclass, 0, 0);