143 lines
4.3 KiB
C
143 lines
4.3 KiB
C
/*-
|
|
* Copyright (c) 2013 Takanori Watanabe
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include "opt_acpi.h"
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/bus.h>
|
|
|
|
#include <contrib/dev/acpica/include/acpi.h>
|
|
|
|
#include "acpi_if.h"
|
|
#include <sys/module.h>
|
|
#include <dev/acpica/acpivar.h>
|
|
#include <sys/sysctl.h>
|
|
static int sysctl_acpi_rapidstart_gen_handler(SYSCTL_HANDLER_ARGS);
|
|
|
|
static struct acpi_rapidstart_name_list
|
|
{
|
|
char *nodename;
|
|
char *getmethod;
|
|
char *setmethod;
|
|
char *comment;
|
|
} acpi_rapidstart_oids[] ={
|
|
{"ffs","GFFS","SFFS","Flash Fast Store Flag"},
|
|
{"ftv","GFTV","SFTV","Time value"},
|
|
{NULL, NULL, NULL, NULL}
|
|
};
|
|
|
|
struct acpi_rapidstart_softc {
|
|
struct sysctl_ctx_list *sysctl_ctx;
|
|
struct sysctl_oid *sysctl_tree;
|
|
|
|
};
|
|
static char *rapidstart_ids[] = {"INT3392", NULL};
|
|
static int
|
|
acpi_rapidstart_probe(device_t dev)
|
|
{
|
|
int rv;
|
|
|
|
if (acpi_disabled("rapidstart") ||
|
|
device_get_unit(dev) != 0)
|
|
return (ENXIO);
|
|
rv = ACPI_ID_PROBE(device_get_parent(dev), dev, rapidstart_ids, NULL);
|
|
if (rv <= 0)
|
|
device_set_desc(dev, "Intel Rapid Start ACPI device");
|
|
|
|
return (rv);
|
|
|
|
}
|
|
|
|
static int
|
|
acpi_rapidstart_attach(device_t dev)
|
|
{
|
|
struct acpi_rapidstart_softc *sc;
|
|
int i;
|
|
|
|
sc = device_get_softc(dev);
|
|
|
|
sc->sysctl_ctx = device_get_sysctl_ctx(dev);
|
|
sc->sysctl_tree = device_get_sysctl_tree(dev);
|
|
for (i = 0 ; acpi_rapidstart_oids[i].nodename != NULL; i++){
|
|
if (acpi_rapidstart_oids[i].setmethod != NULL) {
|
|
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
|
|
i, acpi_rapidstart_oids[i].nodename,
|
|
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
|
|
dev, i, sysctl_acpi_rapidstart_gen_handler, "I",
|
|
acpi_rapidstart_oids[i].comment);
|
|
} else {
|
|
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
|
|
i, acpi_rapidstart_oids[i].nodename,
|
|
CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
|
|
dev, i, sysctl_acpi_rapidstart_gen_handler, "I",
|
|
acpi_rapidstart_oids[i].comment);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
sysctl_acpi_rapidstart_gen_handler(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
device_t dev = arg1;
|
|
int function = oidp->oid_arg2;
|
|
int error = 0, val;
|
|
|
|
acpi_GetInteger(acpi_get_handle(dev),
|
|
acpi_rapidstart_oids[function].getmethod, &val);
|
|
error = sysctl_handle_int(oidp, &val, 0, req);
|
|
if (error || !req->newptr || !acpi_rapidstart_oids[function].setmethod)
|
|
return (error);
|
|
acpi_SetInteger(acpi_get_handle(dev),
|
|
acpi_rapidstart_oids[function].setmethod, val);
|
|
return (0);
|
|
}
|
|
|
|
static device_method_t acpi_rapidstart_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, acpi_rapidstart_probe),
|
|
DEVMETHOD(device_attach, acpi_rapidstart_attach),
|
|
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static driver_t acpi_rapidstart_driver = {
|
|
"acpi_rapidstart",
|
|
acpi_rapidstart_methods,
|
|
sizeof(struct acpi_rapidstart_softc),
|
|
};
|
|
|
|
static devclass_t acpi_rapidstart_devclass;
|
|
|
|
DRIVER_MODULE(acpi_rapidstart, acpi, acpi_rapidstart_driver, acpi_rapidstart_devclass,
|
|
0, 0);
|
|
MODULE_DEPEND(acpi_rapidstart, acpi, 1, 1, 1);
|