124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/* $NetBSD: joy_ofisa.c,v 1.16 2016/12/09 17:18:35 christos Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1996, 1998, 2008 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Jason R. Thorpe.
|
|
*
|
|
* 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.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: joy_ofisa.c,v 1.16 2016/12/09 17:18:35 christos Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <sys/bus.h>
|
|
|
|
#include <dev/ofw/openfirm.h>
|
|
#include <dev/isa/isavar.h>
|
|
#include <dev/ofisa/ofisavar.h>
|
|
|
|
#include <dev/ic/joyvar.h>
|
|
|
|
#define JOY_NPORTS 1 /* XXX should be in a header file */
|
|
|
|
struct joy_ofisa_softc {
|
|
struct joy_softc sc_joy;
|
|
kmutex_t sc_lock;
|
|
};
|
|
|
|
static int joy_ofisa_match(device_t, cfdata_t, void *);
|
|
static void joy_ofisa_attach(device_t, device_t, void *);
|
|
|
|
CFATTACH_DECL_NEW(joy_ofisa, sizeof(struct joy_ofisa_softc),
|
|
joy_ofisa_match, joy_ofisa_attach, NULL, NULL);
|
|
|
|
static int
|
|
joy_ofisa_match(device_t parent, cfdata_t match, void *aux)
|
|
{
|
|
struct ofisa_attach_args *aa = aux;
|
|
static const char *const compatible_strings[] = {
|
|
"pnpPNP,b02f", /* generic joystick */
|
|
NULL,
|
|
};
|
|
int rv = 0;
|
|
|
|
if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1)
|
|
rv = 1;
|
|
return rv;
|
|
}
|
|
|
|
static void
|
|
joy_ofisa_attach(device_t parent, device_t self, void *aux)
|
|
{
|
|
struct joy_ofisa_softc *osc = device_private(self);
|
|
struct joy_softc *sc = &osc->sc_joy;
|
|
struct ofisa_attach_args *aa = aux;
|
|
struct ofisa_reg_desc reg;
|
|
int n;
|
|
|
|
/*
|
|
* We're living on an OFW. We have to ask the OFW what our
|
|
* register property looks like.
|
|
*
|
|
* We expect:
|
|
*
|
|
* 1 i/o register region
|
|
*/
|
|
|
|
n = ofisa_reg_get(aa->oba.oba_phandle, ®, 1);
|
|
if (n != 1) {
|
|
aprint_error(": error getting register data\n");
|
|
return;
|
|
}
|
|
if (reg.type != OFISA_REG_TYPE_IO) {
|
|
aprint_error(": register type not i/o\n");
|
|
return;
|
|
}
|
|
if (reg.len != JOY_NPORTS) {
|
|
aprint_error(": weird register size (%lu, expected %d)\n",
|
|
(unsigned long)reg.len, JOY_NPORTS);
|
|
return;
|
|
}
|
|
|
|
sc->sc_iot = aa->iot;
|
|
sc->sc_dev = self;
|
|
|
|
if (bus_space_map(sc->sc_iot, reg.addr, reg.len, 0, &sc->sc_ioh)) {
|
|
aprint_error(": unable to map register space\n");
|
|
return;
|
|
}
|
|
|
|
ofisa_print_model(NULL, aa->oba.oba_phandle);
|
|
|
|
mutex_init(&osc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
|
|
sc->sc_lock = &osc->sc_lock;
|
|
|
|
joyattach(sc);
|
|
}
|