sys/dev/isapnp/wss_isapnp.c

   1 /*      $NetBSD: wss_isapnp.c,v 1.24 2009/05/12 10:07:55 cegger 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  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: wss_isapnp.c,v 1.24 2009/05/12 10:07:55 cegger Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/device.h>
  38 #include <sys/errno.h>
  39
  40 #include <sys/bus.h>
  41
  42 #include <sys/audioio.h>
  43 #include <dev/audio_if.h>
  44
  45 #include <dev/isa/isavar.h>
  46 #include <dev/isa/isadmavar.h>
  47
  48 #include <dev/isapnp/isapnpreg.h>
  49 #include <dev/isapnp/isapnpvar.h>
  50 #include <dev/isapnp/isapnpdevs.h>
  51
  52 #include <dev/isa/ad1848var.h>
  53 #include <dev/isa/madreg.h>
  54 #include <dev/isa/wssreg.h>
  55 #include <dev/isa/wssvar.h>
  56 #include <dev/isa/sbreg.h>
  57
  58 int     wss_isapnp_match(device_t, cfdata_t, void *);
  59 void    wss_isapnp_attach(device_t, device_t, void *);
  60
  61 CFATTACH_DECL(wss_isapnp, sizeof(struct wss_softc),
  62     wss_isapnp_match, wss_isapnp_attach, NULL, NULL);
  63
  64 /*
  65  * Probe / attach routines.
  66  */
  67
  68 /*
  69  * Probe for the WSS hardware.
  70  */
  71 int
  72 wss_isapnp_match(device_t parent, cfdata_t match, void *aux)
  73 {
  74         int pri, variant;
  75
  76         pri = isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant);
  77         if (pri && variant > 1)
  78                 pri = 0;
  79         return pri;
  80 }
  81
  82 /*
  83  * Attach hardware to driver, attach hardware driver to audio
  84  * pseudo-device driver.
  85  */
  86 void
  87 wss_isapnp_attach(device_t parent, device_t self, void *aux)
  88 {
  89         struct wss_softc *sc;
  90         struct ad1848_softc *ac;
  91         struct isapnp_attach_args *ipa;
  92         int variant;
  93
  94         sc = device_private(self);
  95         ac = &sc->sc_ad1848.sc_ad1848;
  96         ipa = aux;
  97         printf("\n");
  98
  99         if (!isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant)) {
 100                 aprint_error_dev(self, "match failed?\n");
 101                 return;
 102         }
 103
 104         if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
 105                 aprint_error_dev(self, "error in region allocation\n");
 106                 return;
 107         }
 108
 109         switch (variant) {
 110         case 1:
 111                 /* We have to put the chip into `WSS mode'. */
 112                 {
 113                         bus_space_tag_t iot;
 114                         bus_space_handle_t ioh;
 115
 116                         iot = ipa->ipa_iot;
 117                         ioh = ipa->ipa_io[0].h;
 118
 119                         while (bus_space_read_1(iot, ioh,
 120                             SBP_DSP_WSTAT) & SB_DSP_BUSY);
 121                         bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x09);
 122                         while (bus_space_read_1(iot, ioh,
 123                             SBP_DSP_WSTAT) & SB_DSP_BUSY);
 124                         bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x00);
 125                         while (bus_space_read_1(iot, ioh,
 126                             SBP_DSP_WSTAT) & SB_DSP_BUSY);
 127
 128                         delay(1000);
 129                 }
 130
 131                 sc->sc_iot = ipa->ipa_iot;
 132                 sc->sc_ioh = ipa->ipa_io[2].h;
 133                 break;
 134
 135         default:
 136                 sc->sc_iot = ipa->ipa_iot;
 137                 sc->sc_ioh = ipa->ipa_io[0].h;
 138                 break;
 139         }
 140
 141         sc->mad_chip_type = MAD_NONE;
 142
 143         /* Set up AD1848 I/O handle. */
 144         ac->sc_iot = sc->sc_iot;
 145         ac->sc_ioh = sc->sc_ioh;
 146         ac->mode = 2;
 147
 148         sc->sc_ad1848.sc_ic = ipa->ipa_ic;
 149
 150         sc->wss_ic = ipa->ipa_ic;
 151         sc->wss_irq = ipa->ipa_irq[0].num;
 152         sc->wss_playdrq = ipa->ipa_drq[0].num;
 153         sc->wss_recdrq =
 154             ipa->ipa_ndrq > 1 ? ipa->ipa_drq[1].num : ipa->ipa_drq[0].num;
 155
 156         if (!ad1848_isa_probe(&sc->sc_ad1848)) {
 157                 aprint_error_dev(self, "ad1848_probe failed\n");
 158                 return;
 159         }
 160
 161         aprint_error_dev(self, "%s %s", ipa->ipa_devident,
 162             ipa->ipa_devclass);
 163
 164         wssattach(sc);
 165
 166         /* set up OPL I/O handle for ISAPNP boards w/o MAD */
 167         if (ipa->ipa_nio > 1 && sc->mad_chip_type == MAD_NONE) {
 168                 struct audio_attach_args arg;
 169
 170                 sc->sc_opl_ioh = ipa->ipa_io[1].h;
 171
 172                 arg.type = AUDIODEV_TYPE_OPL;
 173                 arg.hwif = 0;
 174                 arg.hdl = 0;
 175                 (void)config_found(&ac->sc_dev, &arg, audioprint);
 176         }
 177 }