sys/dev/isapnp/mpu_isapnp.c

   1 /*      $NetBSD: mpu_isapnp.c,v 1.16 2007/10/19 12:00:33 ad Exp $       */
   2
   3 #include <sys/cdefs.h>
   4 __KERNEL_RCSID(0, "$NetBSD: mpu_isapnp.c,v 1.16 2007/10/19 12:00:33 ad Exp $");
   5
   6 #include "midi.h"
   7
   8 #include <sys/param.h>
   9 #include <sys/systm.h>
  10 #include <sys/errno.h>
  11 #include <sys/ioctl.h>
  12 #include <sys/syslog.h>
  13 #include <sys/device.h>
  14 #include <sys/proc.h>
  15
  16 #include <sys/bus.h>
  17
  18 #include <sys/audioio.h>
  19 #include <dev/audio_if.h>
  20 #include <dev/midi_if.h>
  21 #include <dev/mulaw.h>
  22
  23 #include <dev/isa/isavar.h>
  24 #include <dev/isa/isadmavar.h>
  25
  26 #include <dev/isapnp/isapnpreg.h>
  27 #include <dev/isapnp/isapnpvar.h>
  28 #include <dev/isapnp/isapnpdevs.h>
  29
  30 #include <dev/ic/mpuvar.h>
  31
  32 static int      mpu_isapnp_match(device_t, cfdata_t, void *);
  33 static void     mpu_isapnp_attach(device_t, device_t, void *);
  34
  35 struct mpu_isapnp_softc {
  36         void *sc_ih;
  37
  38         struct mpu_softc sc_mpu;
  39 };
  40
  41 CFATTACH_DECL_NEW(mpu_isapnp, sizeof(struct mpu_isapnp_softc),
  42     mpu_isapnp_match, mpu_isapnp_attach, NULL, NULL);
  43
  44 static int
  45 mpu_isapnp_match(device_t parent, cfdata_t match, void *aux)
  46 {
  47         int pri, variant;
  48
  49         pri = isapnp_devmatch(aux, &isapnp_mpu_devinfo, &variant);
  50         if (pri && variant > 0)
  51                 pri = 0;
  52         return pri;
  53 }
  54
  55 static void
  56 mpu_isapnp_attach(device_t parent, device_t self, void *aux)
  57 {
  58         struct mpu_isapnp_softc *sc = device_private(self);
  59         struct isapnp_attach_args *ipa = aux;
  60
  61         aprint_normal("\n");
  62
  63         if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
  64                 aprint_error_dev(self, "error in region allocation\n");
  65                 return;
  66         }
  67
  68         sc->sc_mpu.iot = ipa->ipa_iot;
  69         sc->sc_mpu.ioh = ipa->ipa_io[0].h;
  70
  71         if (!mpu_find(&sc->sc_mpu)) {
  72                 aprint_error_dev(self, "find failed\n");
  73                 return;
  74         }
  75
  76         aprint_normal_dev(self, "%s %s\n", ipa->ipa_devident,
  77                ipa->ipa_devclass);
  78
  79         sc->sc_mpu.model = "Roland MPU-401 MIDI UART";
  80
  81         midi_attach_mi(&mpu_midi_hw_if, &sc->sc_mpu, self);
  82
  83         sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
  84             ipa->ipa_irq[0].type, IPL_AUDIO, mpu_intr, &sc->sc_mpu);
  85 }