/*-
* 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)
{
if (acpi_disabled("rapidstart") ||
ACPI_ID_PROBE(device_get_parent(dev), dev, rapidstart_ids) == NULL ||
device_get_unit(dev) != 0)
return (ENXIO);
device_set_desc(dev, "Intel Rapid Start ACPI device");
return (0);
}
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++){
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
i, acpi_rapidstart_oids[i].nodename , CTLTYPE_INT |
((acpi_rapidstart_oids[i].setmethod)? CTLFLAG_RW: CTLFLAG_RD),
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);
