sys/arch/i386/pnpbios/sb_pnpbios.c

   1 /* $NetBSD: sb_pnpbios.c,v 1.14 2008/03/17 10:39:49 dogcow 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 1.14 2008/03/17 10:39:49 dogcow 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 }