2 * Copyright (c) 2013 Takanori Watanabe
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("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/kernel.h>
35 #include <contrib/dev/acpica/include/acpi.h>
38 #include <sys/module.h>
39 #include <dev/acpica/acpivar.h>
40 #include <sys/sysctl.h>
41 static int sysctl_acpi_rapidstart_gen_handler(SYSCTL_HANDLER_ARGS);
44 static struct acpi_rapidstart_name_list
50 } acpi_rapidstart_oids[] ={
51 {"ffs","GFFS","SFFS","Flash Fast Store Flag"},
52 {"ftv","GFTV","SFTV","Time value"},
53 {NULL, NULL, NULL, NULL}
56 struct acpi_rapidstart_softc {
57 struct sysctl_ctx_list *sysctl_ctx;
58 struct sysctl_oid *sysctl_tree;
61 static char *rapidstart_ids[] = {"INT3392", NULL};
63 acpi_rapidstart_probe(device_t dev)
65 if (acpi_disabled("rapidstart") ||
66 ACPI_ID_PROBE(device_get_parent(dev), dev, rapidstart_ids) == NULL ||
67 device_get_unit(dev) != 0)
70 device_set_desc(dev, "Intel Rapid Start ACPI device");
77 acpi_rapidstart_attach(device_t dev)
79 struct acpi_rapidstart_softc *sc;
82 sc = device_get_softc(dev);
84 sc->sysctl_ctx = device_get_sysctl_ctx(dev);
85 sc->sysctl_tree = device_get_sysctl_tree(dev);
86 for (i = 0 ; acpi_rapidstart_oids[i].nodename != NULL; i++){
87 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
88 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
89 i, acpi_rapidstart_oids[i].nodename , CTLTYPE_INT |
90 ((acpi_rapidstart_oids[i].setmethod)? CTLFLAG_RW: CTLFLAG_RD),
91 dev, i, sysctl_acpi_rapidstart_gen_handler, "I",
92 acpi_rapidstart_oids[i].comment);
98 sysctl_acpi_rapidstart_gen_handler(SYSCTL_HANDLER_ARGS)
101 int function = oidp->oid_arg2;
104 acpi_GetInteger(acpi_get_handle(dev),
105 acpi_rapidstart_oids[function].getmethod, &val);
106 error = sysctl_handle_int(oidp, &val, 0, req);
107 if (error || !req->newptr || !acpi_rapidstart_oids[function].setmethod)
109 acpi_SetInteger(acpi_get_handle(dev),
110 acpi_rapidstart_oids[function].setmethod, val);
114 static device_method_t acpi_rapidstart_methods[] = {
115 /* Device interface */
116 DEVMETHOD(device_probe, acpi_rapidstart_probe),
117 DEVMETHOD(device_attach, acpi_rapidstart_attach),
122 static driver_t acpi_rapidstart_driver = {
124 acpi_rapidstart_methods,
125 sizeof(struct acpi_rapidstart_softc),
128 static devclass_t acpi_rapidstart_devclass;
130 DRIVER_MODULE(acpi_rapidstart, acpi, acpi_rapidstart_driver, acpi_rapidstart_devclass,
132 MODULE_DEPEND(acpi_rapidstart, acpi, 1, 1, 1);