116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
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/* $NetBSD: ucbioport.c,v 1.1 2000/02/27 16:34:13 uch Exp $ */
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/*
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* Copyright (c) 2000, by UCHIYAMA Yasushi
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* All rights reserved.
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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. The name of the developer may NOT be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*
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* Device driver for PHILIPS UCB1200 Advanced modem/audio analog front-end
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* General Purpose I/O part. platform dependent port hook.
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*/
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#define UCBIOPORTDEBUG
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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/config_hook.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <hpcmips/tx/tx39var.h>
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#include <hpcmips/tx/tx39sibvar.h>
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#include <hpcmips/tx/tx39sibreg.h>
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#include <hpcmips/dev/ucb1200var.h>
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#include <hpcmips/dev/ucb1200reg.h>
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int ucbioport_match __P((struct device*, struct cfdata*, void*));
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void ucbioport_attach __P((struct device*, struct device*, void*));
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struct ucbioport_softc {
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struct device sc_dev;
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tx_chipset_tag_t sc_tc;
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int sc_port;
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};
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struct cfattach ucbioport_ca = {
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sizeof(struct ucbioport_softc), ucbioport_match, ucbioport_attach
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};
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int ucbioport_hook __P((void*, int, long, void*));
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int
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ucbioport_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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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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ucbioport_attach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct ucbioport_softc *sc = (void*)self;
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struct ucbio_attach_args *uia = aux;
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printf("\n");
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sc->sc_tc = uia->uia_tc;
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sc->sc_port = uia->uia_port;
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config_hook(CONFIG_HOOK_BUTTONEVENT, uia->uia_id,
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CONFIG_HOOK_SHARE, /* btnmgr */
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ucbioport_hook, sc);
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}
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int
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ucbioport_hook(arg, type, id, msg)
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void* arg;
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int type;
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long id;
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void* msg;
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{
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struct ucbioport_softc *sc = arg;
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txreg_t reg, mask, port;
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reg = txsibsf0_reg_read(sc->sc_tc, UCB1200_IO_DATA_REG);
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port = 1 << sc->sc_port;
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mask = reg & port;
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mask ^= port;
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reg &= ~port;
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reg |= mask;
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txsibsf0_reg_write(sc->sc_tc, UCB1200_IO_DATA_REG, reg);
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return (0);
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}
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