NetBSD/sys/dev/acpi/joy_acpi.c

126 lines
3.4 KiB
C

/* $NetBSD: joy_acpi.c,v 1.7 2007/10/19 11:59:35 ad Exp $ */
/*
* 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 joy(4) attachment based in lpt_acpi.c by Jared D. McNeill.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: joy_acpi.c,v 1.7 2007/10/19 11:59:35 ad 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 <sys/bus.h>
#include <dev/acpi/acpica.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <dev/ic/joyvar.h>
static int joy_acpi_match(struct device *, struct cfdata *, void *);
static void joy_acpi_attach(struct device *, struct device *, void *);
struct joy_acpi_softc {
struct joy_softc sc_joy;
};
CFATTACH_DECL(joy_acpi, sizeof(struct joy_acpi_softc), joy_acpi_match,
joy_acpi_attach, NULL, NULL);
/*
* Supported device IDs
*/
static const char * const joy_acpi_ids[] = {
"PNPB02F", /* Joystick/Game port */
NULL
};
/*
* joy_acpi_match: autoconf(9) match routine
*/
static int
joy_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, joy_acpi_ids);
}
/*
* joy_acpi_attach: autoconf(9) attach routine
*/
static void
joy_acpi_attach(struct device *parent, struct device *self, void *aux)
{
struct joy_acpi_softc *asc = (struct joy_acpi_softc *)self;
struct joy_softc *sc = &asc->sc_joy;
struct acpi_attach_args *aa = aux;
struct acpi_resources res;
struct acpi_io *io;
ACPI_STATUS rv;
aprint_naive("\n");
aprint_normal("\n");
/* parse resources */
rv = acpi_resource_parse(&sc->sc_dev, 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) {
aprint_error("%s: unable to find i/o register resource\n",
sc->sc_dev.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_ioh)) {
aprint_error("%s: can't map i/o space\n", sc->sc_dev.dv_xname);
goto out;
}
joyattach(sc);
out:
acpi_resource_cleanup(&res);
}