wss_isapnp.c

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    1 /*      $NetBSD: wss_isapnp.c,v 1.15 2003/12/04 13:57:30 keihan Exp $   */
    2 
    3 /*
    4  * Copyright (c) 1997, 1999 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Lennart Augustsson (augustss@NetBSD.org).
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *        This product includes software developed by the NetBSD
   21  *        Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 #include <sys/cdefs.h>
   40 __KERNEL_RCSID(0, "$NetBSD: wss_isapnp.c,v 1.15 2003/12/04 13:57:30 keihan Exp $");
   41 
   42 #include <sys/param.h>
   43 #include <sys/systm.h>
   44 #include <sys/device.h>
   45 #include <sys/errno.h>
   46 
   47 #include <machine/bus.h>
   48 
   49 #include <sys/audioio.h>
   50 #include <dev/audio_if.h>
   51 
   52 #include <dev/isa/isavar.h>
   53 #include <dev/isa/isadmavar.h>
   54 
   55 #include <dev/isapnp/isapnpreg.h>
   56 #include <dev/isapnp/isapnpvar.h>
   57 #include <dev/isapnp/isapnpdevs.h>
   58 
   59 #include <dev/isa/ad1848var.h>
   60 #include <dev/isa/madreg.h>
   61 #include <dev/isa/wssreg.h>
   62 #include <dev/isa/wssvar.h>
   63 #include <dev/isa/sbreg.h>
   64 
   65 int     wss_isapnp_match __P((struct device *, struct cfdata *, void *));
   66 void    wss_isapnp_attach __P((struct device *, struct device *, void *));
   67 
   68 CFATTACH_DECL(wss_isapnp, sizeof(struct wss_softc),
   69     wss_isapnp_match, wss_isapnp_attach, NULL, NULL);
   70 
   71 /*
   72  * Probe / attach routines.
   73  */
   74 
   75 /*
   76  * Probe for the WSS hardware.
   77  */
   78 int
   79 wss_isapnp_match(parent, match, aux)
   80         struct device *parent;
   81         struct cfdata *match;
   82         void *aux;
   83 {
   84         int pri, variant;
   85 
   86         pri = isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant);
   87         if (pri && variant > 1)
   88                 pri = 0;
   89         return (pri);
   90 }
   91 
   92 
   93 
   94 /*
   95  * Attach hardware to driver, attach hardware driver to audio
   96  * pseudo-device driver.
   97  */
   98 void
   99 wss_isapnp_attach(parent, self, aux)
  100         struct device *parent, *self;
  101         void *aux;
  102 {
  103         struct wss_softc *sc = (struct wss_softc *)self;
  104         struct ad1848_softc *ac = &sc->sc_ad1848.sc_ad1848;
  105         struct isapnp_attach_args *ipa = aux;
  106         int variant;
  107 
  108         printf("\n");
  109 
  110         if (!isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant)) {
  111                 printf("%s: match failed?\n", self->dv_xname);
  112                 return;
  113         }
  114                         
  115         if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
  116                 printf("%s: error in region allocation\n", self->dv_xname);
  117                 return;
  118         }
  119 
  120         switch (variant) {
  121         case 1:
  122                 /* We have to put the chip into `WSS mode'. */
  123                 {
  124                         bus_space_tag_t iot;
  125                         bus_space_handle_t ioh;
  126 
  127                         iot = ipa->ipa_iot;
  128                         ioh = ipa->ipa_io[0].h;
  129 
  130                         while (bus_space_read_1(iot, ioh,
  131                             SBP_DSP_WSTAT) & SB_DSP_BUSY);
  132                         bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x09);
  133                         while (bus_space_read_1(iot, ioh,
  134                             SBP_DSP_WSTAT) & SB_DSP_BUSY);
  135                         bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x00);
  136                         while (bus_space_read_1(iot, ioh,
  137                             SBP_DSP_WSTAT) & SB_DSP_BUSY);
  138 
  139                         delay(1000);
  140                 }
  141 
  142                 sc->sc_iot = ipa->ipa_iot;
  143                 sc->sc_ioh = ipa->ipa_io[2].h;
  144                 break;
  145 
  146         default:
  147                 sc->sc_iot = ipa->ipa_iot;
  148                 sc->sc_ioh = ipa->ipa_io[0].h;
  149                 break;
  150         }
  151 
  152         sc->mad_chip_type = MAD_NONE;
  153 
  154         /* Set up AD1848 I/O handle. */
  155         ac->sc_iot = sc->sc_iot;
  156         ac->sc_ioh = sc->sc_ioh;
  157         ac->mode = 2;
  158 
  159         sc->sc_ad1848.sc_ic = ipa->ipa_ic;
  160 
  161         sc->wss_ic = ipa->ipa_ic;
  162         sc->wss_irq = ipa->ipa_irq[0].num;
  163         sc->wss_playdrq = ipa->ipa_drq[0].num;
  164         sc->wss_recdrq = 
  165             ipa->ipa_ndrq > 1 ? ipa->ipa_drq[1].num : ipa->ipa_drq[0].num;
  166 
  167         if (!ad1848_isa_probe(&sc->sc_ad1848)) {
  168                 printf("%s: ad1848_probe failed\n", self->dv_xname);
  169                 return;
  170         }
  171 
  172         printf("%s: %s %s", self->dv_xname, ipa->ipa_devident,
  173             ipa->ipa_devclass);
  174 
  175         wssattach(sc);
  176 
  177         /* set up OPL I/O handle for ISAPNP boards w/o MAD */
  178         if (ipa->ipa_nio > 1 && sc->mad_chip_type == MAD_NONE) {
  179                 struct audio_attach_args arg;
  180 
  181                 sc->sc_opl_ioh = ipa->ipa_io[1].h;
  182 
  183                 arg.type = AUDIODEV_TYPE_OPL;
  184                 arg.hwif = 0;
  185                 arg.hdl = 0;
  186                 (void)config_found(&ac->sc_dev, &arg, audioprint);
  187         }
  188 }

Cache object: e6bb980c0fd2878d4122ed2339bd9303

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FreeBSD/Linux Kernel Cross Reference sys/dev/isapnp/wss_isapnp.c

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sys/dev/isapnp/wss_isapnp.c