158 lines
5.4 KiB
C
158 lines
5.4 KiB
C
/* $NetBSD: attimer_acpi.c,v 1.5 2006/11/16 01:32:47 christos Exp $ */
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/*
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* Copyright (c) 2005 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Juan Romero Pardines <xtraeme@NetBSD.org> and Quentin Garnier.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 2002 Jared D. McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* ACPI attimer(4) attachment based on lpt_acpi.c by Jared D. McNeill.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: attimer_acpi.c,v 1.5 2006/11/16 01:32:47 christos Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <machine/bus.h>
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#include <dev/acpi/acpica.h>
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#include <dev/acpi/acpireg.h>
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#include <dev/acpi/acpivar.h>
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#include <dev/ic/attimervar.h>
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static int attimer_acpi_match(struct device *, struct cfdata *, void *);
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static void attimer_acpi_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(attimer_acpi, sizeof(struct attimer_softc), attimer_acpi_match,
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attimer_acpi_attach, NULL, NULL);
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/*
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* Supported device IDs
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*/
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static const char * const attimer_acpi_ids[] = {
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"PNP0100", /* AT Timer */
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NULL
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};
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/*
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* attimer_acpi_match: autoconf(9) match routine
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*/
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static int
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attimer_acpi_match(struct device *parent,
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struct cfdata *match, void *aux)
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{
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struct acpi_attach_args *aa = aux;
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if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
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return 0;
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return acpi_match_hid(aa->aa_node->ad_devinfo, attimer_acpi_ids);
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}
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/*
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* attimer_acpi_attach: autoconf(9) attach routine
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*/
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static void
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attimer_acpi_attach(struct device *parent, struct device *self,
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void *aux)
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{
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struct attimer_softc *sc = (struct attimer_softc *)self;
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struct acpi_attach_args *aa = aux;
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struct acpi_resources res;
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struct acpi_io *io;
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ACPI_STATUS rv;
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aprint_naive(": AT Timer\n");
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aprint_normal(": AT Timer\n");
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/* parse resources */
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rv = acpi_resource_parse(&sc->sc_dev, aa->aa_node->ad_handle, "_CRS",
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&res, &acpi_resource_parse_ops_default);
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if (ACPI_FAILURE(rv))
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return;
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/* find our i/o registers */
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io = acpi_res_io(&res, 0);
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if (io == NULL) {
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aprint_error("%s: unable to find i/o register resource\n",
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sc->sc_dev.dv_xname);
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goto out;
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}
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sc->sc_iot = aa->aa_iot;
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if (bus_space_map(sc->sc_iot, io->ar_base, io->ar_length,
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0, &sc->sc_ioh)) {
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aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
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goto out;
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}
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attimer_attach(sc);
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out:
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acpi_resource_cleanup(&res);
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}
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