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sb_isapnp.c revision 1.30 
      1 /*	$NetBSD: sb_isapnp.c,v 1.30 1999/02/19 16:10:44 mycroft 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 	return (isapnp_devmatch(aux, &isapnp_sb_devinfo));
     87 }
     88 
     89 
     90 /*
     91  * Attach hardware to driver, attach hardware driver to audio
     92  * pseudo-device driver.
     93  */
     94 void
     95 sb_isapnp_attach(parent, self, aux)
     96 	struct device *parent, *self;
     97 	void *aux;
     98 {
     99 	struct sbdsp_softc *sc = (struct sbdsp_softc *)self;
    100 	struct isapnp_attach_args *ipa = aux;
    101 
    102 	printf("\n");
    103 
    104 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
    105 		printf("%s: error in region allocation\n",
    106 		       sc->sc_dev.dv_xname);
    107 		return;
    108 	}
    109 
    110 	sc->sc_ic = ipa->ipa_ic;
    111 
    112 	sc->sc_iot = ipa->ipa_iot;
    113 	sc->sc_ioh = ipa->ipa_io[0].h;
    114 
    115 	/* XXX These are only for setting chip configuration registers. */
    116 	sc->sc_iobase = ipa->ipa_io[0].base;
    117 	sc->sc_irq = ipa->ipa_irq[0].num;
    118 
    119 	sc->sc_drq8 = ipa->ipa_drq[0].num;
    120         if (ipa->ipa_ndrq > 1 && ipa->ipa_drq[0].num != ipa->ipa_drq[1].num) {
    121         	/* Some cards have the 16 bit drq first */
    122         	if (sc->sc_drq8 >= 4) {
    123                 	sc->sc_drq16 = sc->sc_drq8;
    124                         sc->sc_drq8 = ipa->ipa_drq[1].num;
    125                 } else
    126                 	sc->sc_drq16 = ipa->ipa_drq[1].num;
    127         } else
    128         	sc->sc_drq16 = DRQUNK;
    129 
    130 #if NMIDI > 0
    131 	if (ipa->ipa_nio > 1) {
    132 		sc->sc_mpu_sc.iobase = ipa->ipa_io[1].base;
    133 		sc->sc_mpu_sc.ioh = ipa->ipa_io[1].h;
    134 	} else
    135 		sc->sc_mpu_sc.iobase = 0;
    136 #endif
    137 
    138 	if (!sbmatch(sc)) {
    139 		printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname);
    140 		return;
    141 	}
    142 
    143 	sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
    144 	    ipa->ipa_irq[0].type, IPL_AUDIO, sbdsp_intr, sc);
    145 
    146 	printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident,
    147 	       ipa->ipa_devclass);
    148 
    149 	sbattach(sc);
    150 }
    151