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ess_isapnp.c revision 1.6 
      1 /*	$NetBSD: ess_isapnp.c,v 1.6 1999/06/18 20:25:25 augustss 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/essreg.h>
     59 #include <dev/isa/essvar.h>
     60 
     61 int	ess_isapnp_match __P((struct device *, struct cfdata *, void *));
     62 void	ess_isapnp_attach __P((struct device *, struct device *, void *));
     63 
     64 struct cfattach ess_isapnp_ca = {
     65 	sizeof(struct ess_softc), ess_isapnp_match, ess_isapnp_attach
     66 };
     67 
     68 
     69 /*
     70  * Probe / attach routines.
     71  */
     72 
     73 /*
     74  * Probe for the ess hardware.
     75  */
     76 int
     77 ess_isapnp_match(parent, match, aux)
     78 	struct device *parent;
     79 	struct cfdata *match;
     80 	void *aux;
     81 {
     82 	int pri, variant;
     83 
     84 	pri = isapnp_devmatch(aux, &isapnp_ess_devinfo, &variant);
     85 	if (pri && variant > 0)
     86 		pri = 0;
     87 	return (pri);
     88 }
     89 
     90 
     91 /*
     92  * Attach hardware to driver, attach hardware driver to audio
     93  * pseudo-device driver.
     94  */
     95 void
     96 ess_isapnp_attach(parent, self, aux)
     97 	struct device *parent, *self;
     98 	void *aux;
     99 {
    100 	struct ess_softc *sc = (struct ess_softc *)self;
    101 	struct isapnp_attach_args *ipa = aux;
    102 
    103 	printf("\n");
    104 
    105 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
    106 		printf("%s: error in region allocation\n", 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_iobase = ipa->ipa_io[0].base;
    114 	sc->sc_ioh = ipa->ipa_io[0].h;
    115 
    116 	sc->sc_audio1.irq = ipa->ipa_irq[0].num;
    117 	sc->sc_audio1.ist = ipa->ipa_irq[0].type;
    118 	sc->sc_audio1.drq = ipa->ipa_drq[0].num;
    119 	sc->sc_audio2.irq = -1;
    120 	sc->sc_audio2.drq = ipa->ipa_drq[1].num;
    121 
    122 	if (!essmatch(sc)) {
    123 		printf("%s: essmatch failed\n", sc->sc_dev.dv_xname);
    124 		return;
    125 	}
    126 
    127 	printf("%s:", sc->sc_dev.dv_xname);
    128 
    129 	essattach(sc);
    130 }
    131