NetBSD/sys/dev/acpi/pcppi_acpi.c

160 lines
5.4 KiB
C

/* $NetBSD: pcppi_acpi.c,v 1.1 2005/03/21 14:06:46 xtraeme Exp $ */
/*
* Copyright (c) 2005 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Juan Romero Pardines <xtraeme@NetBSD.org>.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Copyright (c) 2002 Jared D. McNeill <jmcneill@invisible.ca>
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
/*
* ACPI pcppi(4) attachment based on lpt_acpi.c by Jared D. McNeill.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pcppi_acpi.c,v 1.1 2005/03/21 14:06:46 xtraeme Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <machine/bus.h>
#include <dev/acpi/acpica.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <dev/isa/pcppivar.h>
static int pcppi_acpi_match(struct device *, struct cfdata *, void *);
static void pcppi_acpi_attach(struct device *, struct device *, void *);
struct pcppi_acpi_softc {
struct pcppi_softc sc_pcppi;
};
CFATTACH_DECL(pcppi_acpi, sizeof(struct pcppi_acpi_softc), pcppi_acpi_match,
pcppi_acpi_attach, NULL, NULL);
/*
* Supported device IDs
*/
static const char * const pcppi_acpi_ids[] = {
"PNP0800", /* AT-style speaker sound */
NULL
};
/*
* pcppi_acpi_match: autoconf(9) match routine
*/
static int
pcppi_acpi_match(struct device *parent, struct cfdata *match, void *aux)
{
struct acpi_attach_args *aa = aux;
if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
return 0;
return acpi_match_hid(aa->aa_node->ad_devinfo, pcppi_acpi_ids);
}
/*
* pcppi_acpi_attach: autoconf(9) attach routine
*/
static void
pcppi_acpi_attach(struct device *parent, struct device *self, void *aux)
{
struct pcppi_acpi_softc *asc = (struct pcppi_acpi_softc *)self;
struct pcppi_softc *sc = &asc->sc_pcppi;
struct acpi_attach_args *aa = aux;
struct acpi_resources res;
struct acpi_io *io;
ACPI_STATUS rv;
printf("\n");
/* parse resources */
rv = acpi_resource_parse(&sc->sc_dv, aa->aa_node->ad_handle, "_CRS",
&res, &acpi_resource_parse_ops_default);
if (ACPI_FAILURE(rv))
return;
/* find our i/o registers */
io = acpi_res_io(&res, 0);
if (io == NULL) {
printf("%s: unable to find i/o register resource\n",
sc->sc_dv.dv_xname);
goto out;
}
sc->sc_iot = aa->aa_iot;
if (bus_space_map(sc->sc_iot, io->ar_base, io->ar_length,
0, &sc->sc_ppi_ioh)) {
printf("%s: can't map i/o space\n", sc->sc_dv.dv_xname);
goto out;
}
pcppi_attach(sc);
out:
acpi_resource_cleanup(&res);
}