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ym_isapnp.c revision 1.12 
      1 /*	$NetBSD: ym_isapnp.c,v 1.12 2001/11/13 07:56:44 lukem 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/cdefs.h>
     46 __KERNEL_RCSID(0, "$NetBSD: ym_isapnp.c,v 1.12 2001/11/13 07:56:44 lukem Exp $");
     47 
     48 #include "mpu_ym.h"
     49 
     50 #include <sys/param.h>
     51 #include <sys/systm.h>
     52 #include <sys/device.h>
     53 #include <sys/errno.h>
     54 
     55 #include <sys/audioio.h>
     56 #include <dev/audio_if.h>
     57 
     58 #include <dev/isa/isavar.h>
     59 #include <dev/isa/isadmavar.h>
     60 
     61 #include <dev/isapnp/isapnpreg.h>
     62 #include <dev/isapnp/isapnpvar.h>
     63 #include <dev/isapnp/isapnpdevs.h>
     64 
     65 #include <dev/ic/ad1848reg.h>
     66 #include <dev/isa/ad1848var.h>
     67 
     68 #include <dev/ic/cs4231reg.h>
     69 #include <dev/isa/cs4231var.h>
     70 
     71 #include <dev/ic/opl3sa3reg.h>
     72 #include <dev/isa/wssreg.h>
     73 #include <dev/isa/ymvar.h>
     74 
     75 int	ym_isapnp_match __P((struct device *, struct cfdata *, void *));
     76 void	ym_isapnp_attach __P((struct device *, struct device *, void *));
     77 
     78 struct cfattach ym_isapnp_ca = {
     79 	sizeof(struct ym_softc), ym_isapnp_match, ym_isapnp_attach
     80 };
     81 
     82 
     83 /*
     84  * Probe / attach routines.
     85  */
     86 
     87 /*
     88  * Probe for the Yamaha hardware.
     89  */
     90 int
     91 ym_isapnp_match(parent, match, aux)
     92 	struct device *parent;
     93 	struct cfdata *match;
     94 	void *aux;
     95 {
     96 	int pri, variant;
     97 
     98 	pri = isapnp_devmatch(aux, &isapnp_ym_devinfo, &variant);
     99 	if (pri && variant > 0)
    100 		pri = 0;
    101 	return (pri);
    102 }
    103 
    104 /*
    105  * Attach hardware to driver, attach hardware driver to audio
    106  * pseudo-device driver.
    107  */
    108 void
    109 ym_isapnp_attach(parent, self, aux)
    110 	struct device *parent, *self;
    111 	void *aux;
    112 {
    113 	struct ym_softc *sc = (struct ym_softc *)self;
    114 	struct ad1848_softc *ac = &sc->sc_ad1848.sc_ad1848;
    115 	struct isapnp_attach_args *ipa = aux;
    116 
    117 	printf("\n");
    118 
    119 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
    120 		printf("%s: error in region allocation\n", self->dv_xname);
    121 		return;
    122 	}
    123 
    124 	sc->sc_iot = ipa->ipa_iot;
    125 	sc->sc_ic = ipa->ipa_ic;
    126 	sc->sc_ioh = ipa->ipa_io[1].h;
    127 
    128 	sc->ym_irq = ipa->ipa_irq[0].num;
    129 	sc->ym_playdrq = ipa->ipa_drq[0].num;
    130 	sc->ym_recdrq = ipa->ipa_drq[1].num;
    131 
    132 	sc->sc_sb_ioh = ipa->ipa_io[0].h;
    133 	sc->sc_opl_ioh = ipa->ipa_io[2].h;
    134 #if NMPU_YM > 0
    135 	sc->sc_mpu_ioh = ipa->ipa_io[3].h;
    136 #endif
    137 	sc->sc_controlioh = ipa->ipa_io[4].h;
    138 
    139 	ac->sc_iot = sc->sc_iot;
    140 	if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, WSS_CODEC, AD1848_NPORT,
    141 	    &ac->sc_ioh)) {
    142 		printf("%s: bus_space_subregion failed\n", self->dv_xname);
    143 		return;
    144 	}
    145 	ac->mode = 2;
    146 	ac->MCE_bit = MODE_CHANGE_ENABLE;
    147 	ac->chip_name = "OPL3-SA3";
    148 
    149 	sc->sc_ad1848.sc_ic  = sc->sc_ic;
    150 
    151 	printf("%s: %s %s", self->dv_xname, ipa->ipa_devident,
    152 	    ipa->ipa_devclass);
    153 
    154 	ym_attach(sc);
    155 }
    156