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sb_isapnp.c revision 1.34 
      1 /*	$NetBSD: sb_isapnp.c,v 1.34 1999/08/02 17:37:43 augustss Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1991-1993 Regents of the University of California.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the Computer Systems
     18  *	Engineering Group at Lawrence Berkeley Laboratory.
     19  * 4. Neither the name of the University nor of the Laboratory may be used
     20  *    to endorse or promote products derived from this software without
     21  *    specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  */
     36 
     37 #include "midi.h"
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/errno.h>
     42 #include <sys/ioctl.h>
     43 #include <sys/syslog.h>
     44 #include <sys/device.h>
     45 #include <sys/proc.h>
     46 
     47 #include <machine/bus.h>
     48 
     49 #include <sys/audioio.h>
     50 #include <dev/audio_if.h>
     51 #include <dev/midi_if.h>
     52 #include <dev/mulaw.h>
     53 
     54 #include <dev/isa/isavar.h>
     55 #include <dev/isa/isadmavar.h>
     56 
     57 #include <dev/isapnp/isapnpreg.h>
     58 #include <dev/isapnp/isapnpvar.h>
     59 #include <dev/isapnp/isapnpdevs.h>
     60 
     61 #include <dev/isa/sbreg.h>
     62 #include <dev/isa/sbvar.h>
     63 #include <dev/isa/sbdspvar.h>
     64 
     65 int	sb_isapnp_match __P((struct device *, struct cfdata *, void *));
     66 void	sb_isapnp_attach __P((struct device *, struct device *, void *));
     67 
     68 struct cfattach sb_isapnp_ca = {
     69 	sizeof(struct sbdsp_softc), sb_isapnp_match, sb_isapnp_attach
     70 };
     71 
     72 
     73 /*
     74  * Probe / attach routines.
     75  */
     76 
     77 /*
     78  * Probe for the soundblaster hardware.
     79  */
     80 int
     81 sb_isapnp_match(parent, match, aux)
     82 	struct device *parent;
     83 	struct cfdata *match;
     84 	void *aux;
     85 {
     86 	int pri, variant;
     87 
     88 	pri = isapnp_devmatch(aux, &isapnp_sb_devinfo, &variant);
     89 	if (pri && variant > 0)
     90 		pri = 0;
     91 	return (pri);
     92 }
     93 
     94 
     95 /*
     96  * Attach hardware to driver, attach hardware driver to audio
     97  * pseudo-device driver.
     98  */
     99 void
    100 sb_isapnp_attach(parent, self, aux)
    101 	struct device *parent, *self;
    102 	void *aux;
    103 {
    104 	struct sbdsp_softc *sc = (struct sbdsp_softc *)self;
    105 	struct isapnp_attach_args *ipa = aux;
    106 
    107 	printf("\n");
    108 
    109 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
    110 		printf("%s: error in region allocation\n",
    111 		       sc->sc_dev.dv_xname);
    112 		return;
    113 	}
    114 
    115 	sc->sc_ic = ipa->ipa_ic;
    116 
    117 	sc->sc_iot = ipa->ipa_iot;
    118 	sc->sc_ioh = ipa->ipa_io[0].h;
    119 
    120 	/* XXX These are only for setting chip configuration registers. */
    121 	sc->sc_iobase = ipa->ipa_io[0].base;
    122 	sc->sc_irq = ipa->ipa_irq[0].num;
    123 
    124 	sc->sc_drq8 = ipa->ipa_drq[0].num;
    125         if (ipa->ipa_ndrq > 1 && ipa->ipa_drq[0].num != ipa->ipa_drq[1].num) {
    126         	/* Some cards have the 16 bit drq first */
    127         	if (sc->sc_drq8 >= 4) {
    128                 	sc->sc_drq16 = sc->sc_drq8;
    129                         sc->sc_drq8 = ipa->ipa_drq[1].num;
    130                 } else
    131                 	sc->sc_drq16 = ipa->ipa_drq[1].num;
    132         } else
    133         	sc->sc_drq16 = DRQUNK;
    134 
    135 #if NMIDI > 0
    136 	if (ipa->ipa_nio > 1) {
    137 		sc->sc_hasmpu = 1;
    138 		sc->sc_mpu_iot = ipa->ipa_iot;
    139 		sc->sc_mpu_ioh = ipa->ipa_io[1].h;
    140 	}
    141 #endif
    142 
    143 	if (!sbmatch(sc)) {
    144 		printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname);
    145 		return;
    146 	}
    147 
    148 	sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
    149 	    ipa->ipa_irq[0].type, IPL_AUDIO, sbdsp_intr, sc);
    150 
    151 	printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident,
    152 	       ipa->ipa_devclass);
    153 
    154 	sbattach(sc);
    155 }
    156