1 /* $NetBSD: mpu_isapnp.c,v 1.20 2011/12/07 17:35:01 jakllsch Exp $ */ 2 3 #include <sys/cdefs.h> 4 __KERNEL_RCSID(0, "$NetBSD: mpu_isapnp.c,v 1.20 2011/12/07 17:35:01 jakllsch 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 #include <sys/bus.h> 16 #include <sys/audioio.h> 17 18 #include <dev/audio_if.h> 19 #include <dev/midi_if.h> 20 #include <dev/mulaw.h> 21 22 #include <dev/isa/isavar.h> 23 #include <dev/isa/isadmavar.h> 24 25 #include <dev/isapnp/isapnpreg.h> 26 #include <dev/isapnp/isapnpvar.h> 27 #include <dev/isapnp/isapnpdevs.h> 28 29 #include <dev/ic/mpuvar.h> 30 31 static int mpu_isapnp_match(device_t, cfdata_t, void *); 32 static void mpu_isapnp_attach(device_t, device_t, void *); 33 34 struct mpu_isapnp_softc { 35 void *sc_ih; 36 kmutex_t sc_lock; 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 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_AUDIO); 69 70 sc->sc_mpu.iot = ipa->ipa_iot; 71 sc->sc_mpu.ioh = ipa->ipa_io[0].h; 72 sc->sc_mpu.lock = &sc->sc_lock; 73 74 mutex_enter(&sc->sc_lock); 75 76 if (!mpu_find(&sc->sc_mpu)) { 77 aprint_error_dev(self, "find failed\n"); 78 mutex_exit(&sc->sc_lock); 79 mutex_destroy(&sc->sc_lock); 80 return; 81 } 82 83 mutex_exit(&sc->sc_lock); 84 85 aprint_normal_dev(self, "%s %s\n", ipa->ipa_devident, 86 ipa->ipa_devclass); 87 88 sc->sc_mpu.model = "Roland MPU-401 MIDI UART"; 89 90 midi_attach_mi(&mpu_midi_hw_if, &sc->sc_mpu, self); 91 92 sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 93 ipa->ipa_irq[0].type, IPL_AUDIO, mpu_intr, &sc->sc_mpu); 94 } 95