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sb_isapnp.c revision 1.35 
      1 /*	$NetBSD: sb_isapnp.c,v 1.35 1999/10/18 05:11:39 itohy 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 <sys/param.h>
     38 #include <sys/systm.h>
     39 #include <sys/errno.h>
     40 #include <sys/ioctl.h>
     41 #include <sys/syslog.h>
     42 #include <sys/device.h>
     43 #include <sys/proc.h>
     44 
     45 #include <machine/bus.h>
     46 
     47 #include <sys/audioio.h>
     48 #include <dev/audio_if.h>
     49 #include <dev/midi_if.h>
     50 #include <dev/mulaw.h>
     51 
     52 #include <dev/isa/isavar.h>
     53 #include <dev/isa/isadmavar.h>
     54 
     55 #include <dev/isapnp/isapnpreg.h>
     56 #include <dev/isapnp/isapnpvar.h>
     57 #include <dev/isapnp/isapnpdevs.h>
     58 
     59 #include <dev/isa/sbreg.h>
     60 #include <dev/isa/sbvar.h>
     61 #include <dev/isa/sbdspvar.h>
     62 
     63 int	sb_isapnp_match __P((struct device *, struct cfdata *, void *));
     64 void	sb_isapnp_attach __P((struct device *, struct device *, void *));
     65 
     66 struct cfattach sb_isapnp_ca = {
     67 	sizeof(struct sbdsp_softc), sb_isapnp_match, sb_isapnp_attach
     68 };
     69 
     70 
     71 /*
     72  * Probe / attach routines.
     73  */
     74 
     75 /*
     76  * Probe for the soundblaster hardware.
     77  */
     78 int
     79 sb_isapnp_match(parent, match, aux)
     80 	struct device *parent;
     81 	struct cfdata *match;
     82 	void *aux;
     83 {
     84 	int pri, variant;
     85 
     86 	pri = isapnp_devmatch(aux, &isapnp_sb_devinfo, &variant);
     87 	if (pri && variant > 0)
     88 		pri = 0;
     89 	return (pri);
     90 }
     91 
     92 
     93 /*
     94  * Attach hardware to driver, attach hardware driver to audio
     95  * pseudo-device driver.
     96  */
     97 void
     98 sb_isapnp_attach(parent, self, aux)
     99 	struct device *parent, *self;
    100 	void *aux;
    101 {
    102 	struct sbdsp_softc *sc = (struct sbdsp_softc *)self;
    103 	struct isapnp_attach_args *ipa = aux;
    104 
    105 	printf("\n");
    106 
    107 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
    108 		printf("%s: error in region allocation\n",
    109 		       sc->sc_dev.dv_xname);
    110 		return;
    111 	}
    112 
    113 	sc->sc_ic = ipa->ipa_ic;
    114 
    115 	sc->sc_iot = ipa->ipa_iot;
    116 	sc->sc_ioh = ipa->ipa_io[0].h;
    117 
    118 	/* XXX These are only for setting chip configuration registers. */
    119 	sc->sc_iobase = ipa->ipa_io[0].base;
    120 	sc->sc_irq = ipa->ipa_irq[0].num;
    121 
    122 	sc->sc_drq8 = ipa->ipa_drq[0].num;
    123         if (ipa->ipa_ndrq > 1 && ipa->ipa_drq[0].num != ipa->ipa_drq[1].num) {
    124         	/* Some cards have the 16 bit drq first */
    125         	if (sc->sc_drq8 >= 4) {
    126                 	sc->sc_drq16 = sc->sc_drq8;
    127                         sc->sc_drq8 = ipa->ipa_drq[1].num;
    128                 } else
    129                 	sc->sc_drq16 = ipa->ipa_drq[1].num;
    130         } else
    131         	sc->sc_drq16 = DRQUNK;
    132 
    133 #if NMPU > 0
    134 	if (ipa->ipa_nio > 1) {
    135 		sc->sc_hasmpu = 1;
    136 		sc->sc_mpu_iot = ipa->ipa_iot;
    137 		sc->sc_mpu_ioh = ipa->ipa_io[1].h;
    138 	}
    139 #endif
    140 
    141 	if (!sbmatch(sc)) {
    142 		printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname);
    143 		return;
    144 	}
    145 
    146 	sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
    147 	    ipa->ipa_irq[0].type, IPL_AUDIO, sbdsp_intr, sc);
    148 
    149 	printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident,
    150 	       ipa->ipa_devclass);
    151 
    152 	sbattach(sc);
    153 }
    154