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sb_isapnp.c revision 1.27 
      1 /*	$NetBSD: sb_isapnp.c,v 1.27 1998/07/23 19:30:46 christos 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/mulaw.h>
     50 
     51 #include <dev/isa/isavar.h>
     52 #include <dev/isa/isadmavar.h>
     53 
     54 #include <dev/isapnp/isapnpreg.h>
     55 #include <dev/isapnp/isapnpvar.h>
     56 #include <dev/isapnp/isapnpdevs.h>
     57 
     58 #include <dev/isa/sbreg.h>
     59 #include <dev/isa/sbvar.h>
     60 #include <dev/isa/sbdspvar.h>
     61 
     62 int	sb_isapnp_match __P((struct device *, struct cfdata *, void *));
     63 void	sb_isapnp_attach __P((struct device *, struct device *, void *));
     64 
     65 struct cfattach sb_isapnp_ca = {
     66 	sizeof(struct sbdsp_softc), sb_isapnp_match, sb_isapnp_attach
     67 };
     68 
     69 
     70 /*
     71  * Probe / attach routines.
     72  */
     73 
     74 /*
     75  * Probe for the soundblaster hardware.
     76  */
     77 int
     78 sb_isapnp_match(parent, match, aux)
     79 	struct device *parent;
     80 	struct cfdata *match;
     81 	void *aux;
     82 {
     83 	return isapnp_devmatch(aux, &isapnp_sb_devinfo);
     84 }
     85 
     86 
     87 /*
     88  * Attach hardware to driver, attach hardware driver to audio
     89  * pseudo-device driver.
     90  */
     91 void
     92 sb_isapnp_attach(parent, self, aux)
     93 	struct device *parent, *self;
     94 	void *aux;
     95 {
     96 	struct sbdsp_softc *sc = (struct sbdsp_softc *)self;
     97 	struct isapnp_attach_args *ipa = aux;
     98 
     99 	printf("\n");
    100 
    101 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
    102 		printf("%s: error in region allocation\n", sc->sc_dev.dv_xname);
    103 		return;
    104 	}
    105 
    106 	sc->sc_ic = ipa->ipa_ic;
    107 
    108 	sc->sc_iot = ipa->ipa_iot;
    109 	sc->sc_iobase = ipa->ipa_io[0].base;
    110 	sc->sc_ioh = ipa->ipa_io[0].h;
    111 
    112 	sc->sc_irq = ipa->ipa_irq[0].num;
    113 	sc->sc_ist = ipa->ipa_irq[0].type;
    114 	sc->sc_drq8 = ipa->ipa_drq[0].num;
    115         if (ipa->ipa_ndrq > 1 && ipa->ipa_drq[0].num != ipa->ipa_drq[1].num) {
    116         	/* Some cards have the 16 bit drq first */
    117         	if (sc->sc_drq8 >= 4) {
    118                 	sc->sc_drq16 = sc->sc_drq8;
    119                         sc->sc_drq8 = ipa->ipa_drq[1].num;
    120                 } else
    121                 	sc->sc_drq16 = ipa->ipa_drq[1].num;
    122         } else
    123         	sc->sc_drq16 = DRQUNK;
    124 
    125 	if (!sbmatch(sc)) {
    126 		printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname);
    127 		return;
    128 	}
    129 
    130 	printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident,
    131 	    ipa->ipa_devclass);
    132 
    133 	sbattach(sc);
    134 }
    135