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