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ym_isapnp.c revision 1.9 
      1 /*	$NetBSD: ym_isapnp.c,v 1.9 1999/03/22 14:29:14 mycroft Exp $ */
      2 
      3 
      4 /*
      5  * Copyright (c) 1991-1993 Regents of the University of California.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by the Computer Systems
     19  *	Engineering Group at Lawrence Berkeley Laboratory.
     20  * 4. Neither the name of the University nor of the Laboratory may be used
     21  *    to endorse or promote products derived from this software without
     22  *    specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  */
     37 
     38 /*
     39  *  Driver for the Yamaha OPL3-SA3 chipset. This is found on many laptops
     40  *  and Pentium (II) motherboards.
     41  *
     42  *  Original code from OpenBSD.
     43  */
     44 
     45 #include <sys/param.h>
     46 #include <sys/systm.h>
     47 #include <sys/device.h>
     48 #include <sys/errno.h>
     49 
     50 #include <sys/audioio.h>
     51 #include <dev/audio_if.h>
     52 
     53 #include <dev/isa/isavar.h>
     54 #include <dev/isa/isadmavar.h>
     55 
     56 #include <dev/isapnp/isapnpreg.h>
     57 #include <dev/isapnp/isapnpvar.h>
     58 #include <dev/isapnp/isapnpdevs.h>
     59 
     60 #include <dev/ic/ad1848reg.h>
     61 #include <dev/isa/ad1848var.h>
     62 
     63 #include <dev/ic/cs4231reg.h>
     64 #include <dev/isa/cs4231var.h>
     65 
     66 #include <dev/isa/wssreg.h>
     67 #include <dev/isa/ymvar.h>
     68 
     69 int	ym_isapnp_match __P((struct device *, struct cfdata *, void *));
     70 void	ym_isapnp_attach __P((struct device *, struct device *, void *));
     71 
     72 struct cfattach ym_isapnp_ca = {
     73 	sizeof(struct ym_softc), ym_isapnp_match, ym_isapnp_attach
     74 };
     75 
     76 
     77 /*
     78  * Probe / attach routines.
     79  */
     80 
     81 /*
     82  * Probe for the Yamaha hardware.
     83  */
     84 int
     85 ym_isapnp_match(parent, match, aux)
     86 	struct device *parent;
     87 	struct cfdata *match;
     88 	void *aux;
     89 {
     90 	int pri, variant;
     91 
     92 	pri = isapnp_devmatch(aux, &isapnp_ym_devinfo, &variant);
     93 	if (pri && variant > 0)
     94 		pri = 0;
     95 	return (pri);
     96 }
     97 
     98 /*
     99  * Attach hardware to driver, attach hardware driver to audio
    100  * pseudo-device driver.
    101  */
    102 void
    103 ym_isapnp_attach(parent, self, aux)
    104 	struct device *parent, *self;
    105 	void *aux;
    106 {
    107 	struct ym_softc *sc = (struct ym_softc *)self;
    108 	struct ad1848_softc *ac = &sc->sc_ad1848.sc_ad1848;
    109 	struct isapnp_attach_args *ipa = aux;
    110 
    111 	printf("\n");
    112 
    113 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
    114 		printf("%s: error in region allocation\n", self->dv_xname);
    115 		return;
    116 	}
    117 
    118 	sc->sc_iot = ipa->ipa_iot;
    119 	sc->sc_ic = ipa->ipa_ic;
    120 	sc->sc_ioh = ipa->ipa_io[1].h;
    121 
    122 	sc->ym_irq = ipa->ipa_irq[0].num;
    123 	sc->ym_playdrq = ipa->ipa_drq[0].num;
    124 	sc->ym_recdrq = ipa->ipa_drq[1].num;
    125 
    126 	sc->sc_controlioh = ipa->ipa_io[4].h;
    127 
    128 	ac->sc_iot = sc->sc_iot;
    129 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, WSS_CODEC, 4,
    130 	    &ac->sc_ioh)) {
    131 		printf("%s: bus_space_subregion failed\n", self->dv_xname);
    132 		return;
    133 	}
    134 	ac->mode = 2;
    135 	ac->MCE_bit = MODE_CHANGE_ENABLE;
    136 	ac->chip_name = "OPL3-SA3";
    137 
    138 	sc->sc_ad1848.sc_ic  = sc->sc_ic;
    139 
    140 	printf("%s: %s %s", self->dv_xname, ipa->ipa_devident,
    141 	    ipa->ipa_devclass);
    142 
    143 	ym_attach(sc);
    144 }
    145 
    146