sys/dev/isapnp/sb_isapnp.c

   1 /*      $NetBSD: sb_isapnp.c,v 1.51 2007/10/19 12:00:33 ad Exp $        */
   2
   3 /*
   4  * Copyright (c) 1991-1993 Regents of the University of California.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the Computer Systems
  18  *      Engineering Group at Lawrence Berkeley Laboratory.
  19  * 4. Neither the name of the University nor of the Laboratory may be used
  20  *    to endorse or promote products derived from this software without
  21  *    specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  */
  36
  37 #include <sys/cdefs.h>
  38 __KERNEL_RCSID(0, "$NetBSD: sb_isapnp.c,v 1.51 2007/10/19 12:00:33 ad Exp $");
  39
  40 #include <sys/param.h>
  41 #include <sys/systm.h>
  42 #include <sys/errno.h>
  43 #include <sys/ioctl.h>
  44 #include <sys/syslog.h>
  45 #include <sys/device.h>
  46 #include <sys/proc.h>
  47
  48 #include <sys/bus.h>
  49
  50 #include <sys/audioio.h>
  51 #include <dev/audio_if.h>
  52 #include <dev/midi_if.h>
  53 #include <dev/mulaw.h>
  54
  55 #include <dev/isa/isavar.h>
  56 #include <dev/isa/isadmavar.h>
  57
  58 #include <dev/isapnp/isapnpreg.h>
  59 #include <dev/isapnp/isapnpvar.h>
  60 #include <dev/isapnp/isapnpdevs.h>
  61
  62 #include <dev/isa/sbreg.h>
  63 #include <dev/isa/sbvar.h>
  64 #include <dev/isa/sbdspvar.h>
  65
  66 int     sb_isapnp_match(device_t, cfdata_t, void *);
  67 void    sb_isapnp_attach(device_t, device_t, void *);
  68
  69 CFATTACH_DECL_NEW(sb_isapnp, sizeof(struct sbdsp_softc),
  70     sb_isapnp_match, sb_isapnp_attach, NULL, NULL);
  71
  72 /*
  73  * Probe / attach routines.
  74  */
  75
  76 /*
  77  * Probe for the soundblaster hardware.
  78  */
  79 int
  80 sb_isapnp_match(device_t parent, cfdata_t match, void *aux)
  81 {
  82         int pri, variant;
  83
  84         pri = isapnp_devmatch(aux, &isapnp_sb_devinfo, &variant);
  85         if (pri && variant > 0)
  86                 pri = 0;
  87         return pri;
  88 }
  89
  90 /*
  91  * Attach hardware to driver, attach hardware driver to audio
  92  * pseudo-device driver.
  93  */
  94 void
  95 sb_isapnp_attach(device_t parent, device_t self, void *aux)
  96 {
  97         struct sbdsp_softc *sc;
  98         struct isapnp_attach_args *ipa;
  99
 100         sc = device_private(self);
 101         sc->sc_dev = self;
 102         ipa = aux;
 103         aprint_normal("\n");
 104
 105         /*
 106          * Avance logic ALS100+ does not like being frobbed
 107          * trying to set irq/drq so set that quirk skip over it
 108          */
 109         if(!strcmp(ipa->ipa_devlogic, "@@@1001"))
 110                 sc->sc_quirks = SB_QUIRK_NO_INIT_DRQ;
 111
 112         if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
 113                 aprint_error_dev(self, "error in region allocation\n");
 114                 return;
 115         }
 116
 117         sc->sc_ic = ipa->ipa_ic;
 118
 119         sc->sc_iot = ipa->ipa_iot;
 120         sc->sc_ioh = ipa->ipa_io[0].h;
 121
 122         /* XXX These are only for setting chip configuration registers. */
 123         sc->sc_iobase = ipa->ipa_io[0].base;
 124         sc->sc_irq = ipa->ipa_irq[0].num;
 125
 126         sc->sc_drq8 = ipa->ipa_drq[0].num;
 127         if (ipa->ipa_ndrq > 1 && ipa->ipa_drq[0].num != ipa->ipa_drq[1].num) {
 128                 /* Some cards have the 16 bit drq first */
 129                 if (sc->sc_drq8 >= 4) {
 130                         sc->sc_drq16 = sc->sc_drq8;
 131                         sc->sc_drq8 = ipa->ipa_drq[1].num;
 132                 } else
 133                         sc->sc_drq16 = ipa->ipa_drq[1].num;
 134         } else
 135                 sc->sc_drq16 = -1;
 136
 137 #if NMPU > 0
 138         /*
 139          * Aztech 1020 doesn't store information about its mpu in io[1].
 140          * It has a separate pnpdev for the mpu.
 141          * The same is true for an AD1816 AOpen soundcard (ID ADS7180)
 142          * so it will be treated the same here. But it was not before,
 143          * which leads to the question: could there be other cards that
 144          * identify as ADS7180 but map the mpu differently? That would be
 145          * inconvenient....
 146          */
 147         if (strcmp(ipa->ipa_devlogic, "AZT1016") == 0 ||
 148             strcmp(ipa->ipa_devlogic, "ADS7180") == 0)
 149                 sc->sc_hasmpu = SBMPU_NONE;
 150         else if (ipa->ipa_nio > 1) {
 151                 sc->sc_hasmpu = SBMPU_EXTERNAL;
 152                 sc->sc_mpu_iot = ipa->ipa_iot;
 153                 sc->sc_mpu_ioh = ipa->ipa_io[1].h;
 154         }
 155 #endif
 156
 157         if (!sbmatch(sc, 0, device_cfdata(self))) {
 158                 aprint_error_dev(self, "sbmatch failed\n");
 159                 return;
 160         }
 161
 162         sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
 163             ipa->ipa_irq[0].type, IPL_AUDIO, sbdsp_intr, sc);
 164
 165         aprint_normal_dev(self, "%s %s", ipa->ipa_devident, ipa->ipa_devclass);
 166
 167         sbattach(sc);
 168 }