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sb_pnpbios.c revision 1.15 
      1 /* $NetBSD: sb_pnpbios.c,v 1.15 2008/03/17 13:38:25 cube 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 1.15 2008/03/17 13:38:25 cube 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(device_t, cfdata_t, void *);
     57 void sb_pnpbios_attach(device_t, device_t, void *);
     58 
     59 CFATTACH_DECL_NEW(sb_pnpbios, sizeof(struct sbdsp_softc),
     60     sb_pnpbios_match, sb_pnpbios_attach, NULL, NULL);
     61 
     62 int
     63 sb_pnpbios_match(device_t parent, cfdata_t match, void *aux)
     64 {
     65 	struct pnpbiosdev_attach_args *aa = aux;
     66 
     67 	if (strcmp(aa->idstr, "NMX2210") &&
     68 	    strcmp(aa->idstr, "CRX0002"))	/* Cyrix XpressAudio */
     69 		return (0);
     70 
     71 	return (1);
     72 }
     73 
     74 void
     75 sb_pnpbios_attach(device_t parent, device_t self, void *aux)
     76 {
     77 	struct sbdsp_softc *sc = device_private(self);
     78 	struct pnpbiosdev_attach_args *aa = aux;
     79 
     80 	sc->sc_dev = self;
     81 	if (pnpbios_io_map(aa->pbt, aa->resc, 0, &sc->sc_iot, &sc->sc_ioh)) {
     82 		aprint_error(": can't map i/o space\n");
     83 		return;
     84 	}
     85 
     86 	sc->sc_ic = aa->ic;
     87 
     88 	/* XXX These are only for setting chip configuration registers. */
     89 	pnpbios_getiobase(aa->pbt, aa->resc, 0, 0, &sc->sc_iobase);
     90 
     91 	if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->sc_irq,
     92 	    NULL)) {
     93 		aprint_error(": can't get IRQ\n");
     94 		return;
     95 	}
     96 
     97 	if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->sc_drq8)) {
     98 		aprint_error(": can't get DMA channel\n");
     99 		return;
    100 	}
    101 	if (pnpbios_getdmachan(aa->pbt, aa->resc, 1, &sc->sc_drq16))
    102 		sc->sc_drq16 = -1;
    103 
    104 	aprint_normal("\n");
    105 	pnpbios_print_devres(self, aa);
    106 
    107 	aprint_normal("%s", device_xname(self));
    108 
    109 	if (!sbmatch(sc, 0, device_cfdata(self))) {
    110 		aprint_error_dev(self, "sbmatch failed\n");
    111 		return;
    112 	}
    113 
    114 	sc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_AUDIO,
    115 					   sbdsp_intr, sc);
    116 
    117 	sbattach(sc);
    118 }
    119