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ym_isapnp.c revision 1.3 
      1 /*	$NetBSD: ym_isapnp.c,v 1.3 1998/06/09 00:05:20 thorpej 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/errno.h>
     48 #include <sys/ioctl.h>
     49 #include <sys/syslog.h>
     50 #include <sys/device.h>
     51 #include <sys/proc.h>
     52 
     53 #include <sys/audioio.h>
     54 #include <dev/audio_if.h>
     55 
     56 #include <dev/isa/isavar.h>
     57 #include <dev/isa/isadmavar.h>
     58 
     59 #include <dev/isapnp/isapnpreg.h>
     60 #include <dev/isapnp/isapnpvar.h>
     61 
     62 #include <dev/ic/ad1848reg.h>
     63 #include <dev/isa/ad1848var.h>
     64 
     65 #include <dev/ic/cs4231reg.h>
     66 #include <dev/isa/cs4231var.h>
     67 
     68 #include <dev/isa/wssreg.h>
     69 #include <dev/isa/ymvar.h>
     70 
     71 int	ym_isapnp_match __P((struct device *, struct cfdata *, void *));
     72 void	ym_isapnp_attach __P((struct device *, struct device *, void *));
     73 
     74 struct cfattach ym_isapnp_ca = {
     75 	sizeof(struct ym_softc), ym_isapnp_match, ym_isapnp_attach
     76 };
     77 
     78 
     79 /*
     80  * Probe / attach routines.
     81  */
     82 
     83 /*
     84  * Probe for the Yamaha hardware.
     85  */
     86 int
     87 ym_isapnp_match(parent, match, aux)
     88 	struct device *parent;
     89 	struct cfdata *match;
     90 	void *aux;
     91 {
     92 	struct isapnp_attach_args *ipa = aux;
     93 
     94 	if (strcmp(ipa->ipa_devlogic, "YMH0021")) /* OPL3-SA3 */
     95         	return 0;
     96 
     97 	return 1;
     98 }
     99 
    100 /*
    101  * Attach hardware to driver, attach hardware driver to audio
    102  * pseudo-device driver.
    103  */
    104 void
    105 ym_isapnp_attach(parent, self, aux)
    106 	struct device *parent, *self;
    107 	void *aux;
    108 {
    109 	struct ym_softc *sc = (struct ym_softc *)self;
    110 	struct isapnp_attach_args *ipa = aux;
    111 
    112 	printf("\n");
    113 
    114 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
    115 		printf("%s: error in region allocation\n",
    116 		       sc->sc_dev.dv_xname);
    117 		return;
    118 	}
    119 
    120 	sc->sc_iot = ipa->ipa_iot;
    121 	sc->sc_ic = ipa->ipa_ic;
    122 	sc->sc_ioh = ipa->ipa_io[1].h;
    123 
    124 	sc->ym_irq = ipa->ipa_irq[0].num;
    125 	sc->ym_drq = ipa->ipa_drq[0].num;
    126 	sc->ym_recdrq = ipa->ipa_drq[1].num;
    127 
    128 	sc->sc_controlioh = ipa->ipa_io[4].h;
    129 
    130 	sc->sc_ad1848.sc_ic  = sc->sc_ic;
    131 	sc->sc_ad1848.sc_iot = sc->sc_iot;
    132 	sc->sc_ad1848.sc_ioh = sc->sc_ioh;
    133 	sc->sc_ad1848.sc_iooffs = WSS_CODEC;
    134 	sc->sc_ad1848.mode = 2;
    135 	sc->sc_ad1848.MCE_bit = MODE_CHANGE_ENABLE;
    136 	sc->sc_ad1848.chip_name = "OPL3-SA3";
    137 
    138 	printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident,
    139 	       ipa->ipa_devclass);
    140 
    141 	ym_attach(sc);
    142 }
    143 
    144