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/*
* Copyright (c) 2008, 2009 Michael Shalayeff
* Copyright (c) 2009, 2010 Hans-Joerg Hoexer
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/proc.h>
#include <sys/module.h>
#include <sys/conf.h>
#include <sys/uio.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <machine/md_var.h>
#include <isa/isareg.h>
#include <isa/isavar.h>
#include "tpmvar.h"
#include "opt_acpi.h"
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <dev/acpica/acpivar.h>
char *tpm_ids[] = {"ATM1200", "BCM0102", "INTC0102", "SNO3504", "WEC1000",
"PNP0C31", NULL};
static int
tpm_acpi_probe(device_t dev)
{
if (ACPI_ID_PROBE(device_get_parent(dev), dev, tpm_ids) != NULL) {
device_set_desc(dev, "Trusted Platform Module");
return BUS_PROBE_DEFAULT;
}
return ENXIO;
}
static device_method_t tpm_acpi_methods[] = {
#if 0
/*In some case, TPM existence is found only in TPCA header*/
DEVMETHOD(device_identify, tpm_acpi_identify),
#endif
DEVMETHOD(device_probe, tpm_acpi_probe),
DEVMETHOD(device_attach, tpm_attach),
DEVMETHOD(device_detach, tpm_detach),
DEVMETHOD(device_suspend, tpm_suspend),
DEVMETHOD(device_resume, tpm_resume),
{ 0, 0 }
};
static driver_t tpm_acpi_driver = {
"tpm", tpm_acpi_methods, sizeof(struct tpm_softc),
};
devclass_t tpm_devclass;
DRIVER_MODULE(tpm, acpi, tpm_acpi_driver, tpm_devclass, 0, 0);
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