NetBSD/sys/arch/hpcmips/tx/txioman_in.c

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/* $NetBSD: txioman_in.c,v 1.1 2000/10/22 10:42:33 uch Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* 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.
*/
#include "opt_tx39_debug.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <machine/config_hook.h>
#include <hpcmips/tx/tx39var.h>
#include <hpcmips/tx/txiomanvar.h>
int txin_match(struct device *, struct cfdata *, void *);
void txin_attach(struct device *, struct device *, void *);
int txin_intr(void *);
int txin_intr_p(void *);
int txin_intr_n(void *);
struct txin_softc {
struct device sc_dev;
int sc_type; /* event type */
int sc_id; /* event id */
int sc_pedge;
int sc_state;
void *sc_ih_p;
void *sc_ih_n;
};
struct cfattach txin_ca = {
sizeof(struct txin_softc), txin_match, txin_attach
};
int
txin_match(struct device *parent, struct cfdata *cf, void *aux)
{
return 1;
}
void
txin_attach(struct device *parent, struct device *self, void *aux)
{
struct txio_attach_args *taa = aux;
struct txin_softc *sc = (void *)self;
struct txio_ops *ops;
int pe, ne;
ops = taa->taa_tc->tc_ioops[taa->taa_group];
if (ops == 0) {
printf(": I/O module not found.\n");
return;
}
printf("\n");
sc->sc_type = taa->taa_type;
sc->sc_id = taa->taa_id;
if (taa->taa_initial != -1) {
sc->sc_state = taa->taa_initial;
/* set initial state */
config_defer(self, (void (*)(struct device *))txin_intr);
}
/* install interrupt handler */
ops->_intr_map(ops->_v, taa->taa_port, &pe, &ne);
switch (taa->taa_edge) {
case TXIO_BOTHEDGE:
sc->sc_ih_p = ops->_intr_establish(ops->_v, pe,
txin_intr_p, sc);
sc->sc_ih_n = ops->_intr_establish(ops->_v, ne,
txin_intr_n, sc);
break;
case TXIO_POSEDGE:
sc->sc_ih_p = ops->_intr_establish(ops->_v, pe, txin_intr, sc);
break;
case TXIO_NEGEDGE:
sc->sc_ih_p = ops->_intr_establish(ops->_v, ne, txin_intr, sc);
break;
}
}
int
txin_intr(void *arg)
{
struct txin_softc *sc = arg;
printf("%s: type=%d, id=%d\n", __FUNCTION__, sc->sc_type, sc->sc_id);
config_hook_call(sc->sc_type, sc->sc_id, (void *)sc->sc_state);
sc->sc_state ^= 1;
printf("done.\n");
return 0;
}
int
txin_intr_p(void *arg)
{
struct txin_softc *sc = arg;
printf("%s(p): type=%d, id=%d\n", __FUNCTION__, sc->sc_type, sc->sc_id);
config_hook_call(sc->sc_type, sc->sc_id, (void *)1);
printf("done.\n");
return 0;
}
int
txin_intr_n(void *arg)
{
struct txin_softc *sc = arg;
printf("%s(n): type=%d, id=%d\n", __FUNCTION__, sc->sc_type, sc->sc_id);
config_hook_call(sc->sc_type, sc->sc_id, (void *)0);
printf("done.\n");
return 0;
}