2010-08-12 00:16:18 +00:00
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/*
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* Copyright (c) 2008, 2009 Michael Shalayeff
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* Copyright (c) 2009, 2010 Hans-Joerg Hoexer
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* All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/proc.h>
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#include <sys/module.h>
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#include <sys/conf.h>
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#include <sys/uio.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <machine/resource.h>
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#include <machine/md_var.h>
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#include <isa/isareg.h>
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#include <isa/isavar.h>
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#include "tpmvar.h"
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#include "opt_acpi.h"
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#include <contrib/dev/acpica/include/acpi.h>
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#include <contrib/dev/acpica/include/accommon.h>
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#include <dev/acpica/acpivar.h>
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char *tpm_ids[] = {"ATM1200", "BCM0102", "INTC0102", "SNO3504", "WEC1000",
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"PNP0C31", NULL};
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static int
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tpm_acpi_probe(device_t dev)
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{
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if (ACPI_ID_PROBE(device_get_parent(dev), dev, tpm_ids) != NULL) {
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device_set_desc(dev, "Trusted Platform Module");
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return BUS_PROBE_DEFAULT;
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}
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return ENXIO;
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}
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static device_method_t tpm_acpi_methods[] = {
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#if 0
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2016-05-03 03:41:25 +00:00
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/*In some case, TPM existence is found only in TPCA header*/
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2010-08-12 00:16:18 +00:00
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DEVMETHOD(device_identify, tpm_acpi_identify),
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#endif
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DEVMETHOD(device_probe, tpm_acpi_probe),
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DEVMETHOD(device_attach, tpm_attach),
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DEVMETHOD(device_detach, tpm_detach),
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DEVMETHOD(device_suspend, tpm_suspend),
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DEVMETHOD(device_resume, tpm_resume),
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{ 0, 0 }
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};
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static driver_t tpm_acpi_driver = {
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"tpm", tpm_acpi_methods, sizeof(struct tpm_softc),
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};
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devclass_t tpm_devclass;
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DRIVER_MODULE(tpm, acpi, tpm_acpi_driver, tpm_devclass, 0, 0);
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