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lpt_supio.c revision 1.4 
      1 /*	$NetBSD: lpt_supio.c,v 1.4 1999/02/16 22:46:57 is Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Ignatios Souvatzis.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/ioctl.h>
     42 #include <sys/select.h>
     43 #include <sys/tty.h>
     44 #include <sys/proc.h>
     45 #include <sys/user.h>
     46 #include <sys/conf.h>
     47 #include <sys/file.h>
     48 #include <sys/uio.h>
     49 #include <sys/kernel.h>
     50 #include <sys/syslog.h>
     51 #include <sys/types.h>
     52 #include <sys/device.h>
     53 
     54 #include <machine/intr.h>
     55 #include <machine/bus.h>
     56 
     57 #include <dev/ic/lptreg.h>
     58 #include <dev/ic/lptvar.h>
     59 
     60 #include <amiga/dev/supio.h>
     61 
     62 struct lptsupio_softc {
     63 	struct lpt_softc sc_lpt;
     64 	struct isr sc_isr;
     65 	void (*sc_intack)__P((void *));
     66 };
     67 
     68 int lpt_supio_match __P((struct device *, struct cfdata *, void *));
     69 void lpt_supio_attach __P((struct device *, struct device *, void *));
     70 int lpt_supio_intr __P((void *p));
     71 
     72 struct cfattach lpt_supio_ca = {
     73 	sizeof(struct lptsupio_softc), lpt_supio_match, lpt_supio_attach
     74 };
     75 
     76 int
     77 lpt_supio_match(parent, match, aux)
     78 	struct device *parent;
     79 	struct cfdata *match;
     80 	void *aux;
     81 {
     82 	struct supio_attach_args *supa = aux;
     83 
     84 	if (strcmp(supa->supio_name,"lpt"))
     85 		return 0;
     86 
     87 	return (1);
     88 }
     89 
     90 int
     91 lpt_supio_intr(p)
     92 	void *p;
     93 {
     94 	struct lptsupio_softc *sc = (void *)p;
     95 	int rc;
     96 
     97 	rc = lptintr(&sc->sc_lpt);
     98 	if (sc->sc_intack)
     99 		(*sc->sc_intack)(p);
    100 	return (rc);
    101 }
    102 
    103 void
    104 lpt_supio_attach(parent, self, aux)
    105 	struct device *parent, *self;
    106 	void *aux;
    107 {
    108 	struct lptsupio_softc *sc = (void *)self;
    109 	struct lpt_softc *lsc = &sc->sc_lpt;
    110 	int iobase;
    111 	bus_space_tag_t iot;
    112 	struct supio_attach_args *supa = aux;
    113 
    114 	/*
    115 	 * We're living on a superio chip.
    116 	 */
    117 	iobase = supa->supio_iobase;
    118 	iot = lsc->sc_iot = supa->supio_iot;
    119 	sc->sc_intack = (void *)supa->supio_arg;
    120 
    121         if (bus_space_map(iot, iobase, LPT_NPORTS, 0, &lsc->sc_ioh))
    122 		panic("lpt_supio_attach: io mapping failed");
    123 
    124 	printf(" port 0x%x ipl %d\n", iobase, supa->supio_ipl);
    125 	lpt_attach_subr(lsc);
    126 
    127 	sc->sc_isr.isr_intr = lpt_supio_intr;
    128 	sc->sc_isr.isr_arg = sc;
    129 	sc->sc_isr.isr_ipl = supa->supio_ipl;
    130 	add_isr(&sc->sc_isr);
    131 }
    132