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sb_pnpbios.c revision 1.6 
      1 /* $NetBSD: sb_pnpbios.c,v 1.6 2002/09/27 20:33:10 thorpej Exp $ */
      2 /*
      3  * Copyright (c) 1999
      4  * 	Matthias Drochner.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions, and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #include <sys/cdefs.h>
     29 __KERNEL_RCSID(0, "$NetBSD: sb_pnpbios.c,v 1.6 2002/09/27 20:33:10 thorpej Exp $");
     30 
     31 #include <sys/param.h>
     32 #include <sys/systm.h>
     33 #include <sys/errno.h>
     34 #include <sys/ioctl.h>
     35 #include <sys/syslog.h>
     36 #include <sys/device.h>
     37 #include <sys/proc.h>
     38 
     39 #include <machine/bus.h>
     40 
     41 #include <sys/audioio.h>
     42 #include <dev/audio_if.h>
     43 #include <dev/midi_if.h>
     44 #include <dev/mulaw.h>
     45 
     46 #include <dev/isa/isavar.h>
     47 #include <dev/isa/isadmavar.h>
     48 
     49 #include <i386/pnpbios/pnpbiosvar.h>
     50 
     51 #include <dev/isa/sbreg.h>
     52 #include <dev/isa/sbvar.h>
     53 
     54 #include <dev/isa/sbdspvar.h>
     55 
     56 int sb_pnpbios_match __P((struct device *, struct cfdata *, void *));
     57 void sb_pnpbios_attach __P((struct device *, struct device *, void *));
     58 
     59 const struct cfattach sb_pnpbios_ca = {
     60 	sizeof(struct sbdsp_softc), sb_pnpbios_match, sb_pnpbios_attach
     61 };
     62 
     63 int
     64 sb_pnpbios_match(parent, match, aux)
     65 	struct device *parent;
     66 	struct cfdata *match;
     67 	void *aux;
     68 {
     69 	struct pnpbiosdev_attach_args *aa = aux;
     70 
     71 	if (strcmp(aa->idstr, "NMX2210") &&
     72 	    strcmp(aa->idstr, "CRX0002"))	/* Cyrix XpressAudio */
     73 		return (0);
     74 
     75 	return (1);
     76 }
     77 
     78 void
     79 sb_pnpbios_attach(parent, self, aux)
     80 	struct device *parent, *self;
     81 	void *aux;
     82 {
     83 	struct sbdsp_softc *sc = (void *)self;
     84 	struct pnpbiosdev_attach_args *aa = aux;
     85 
     86 	if (pnpbios_io_map(aa->pbt, aa->resc, 0, &sc->sc_iot, &sc->sc_ioh)) {
     87 		printf(": can't map i/o space\n");
     88 		return;
     89 	}
     90 
     91 	sc->sc_ic = aa->ic;
     92 
     93 	/* XXX These are only for setting chip configuration registers. */
     94 	pnpbios_getiobase(aa->pbt, aa->resc, 0, 0, &sc->sc_iobase);
     95 
     96 	if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->sc_irq,
     97 	    NULL)) {
     98 		printf(": can't get IRQ\n");
     99 		return;
    100 	}
    101 
    102 	if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->sc_drq8)) {
    103 		printf(": can't get DMA channel\n");
    104 		return;
    105 	}
    106 	if (pnpbios_getdmachan(aa->pbt, aa->resc, 1, &sc->sc_drq16))
    107 		sc->sc_drq16 = -1;
    108 
    109 	printf("\n");
    110 	pnpbios_print_devres(self, aa);
    111 
    112 	printf("%s", self->dv_xname);
    113 
    114 	if (!sbmatch(sc)) {
    115 		printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname);
    116 		return;
    117 	}
    118 
    119 	sc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_AUDIO,
    120 					   sbdsp_intr, sc);
    121 
    122 	sbattach(sc);
    123 }
    124