1 /* $NetBSD: mpu_isapnp.c,v 1.21 2019/05/08 13:40:18 isaki Exp $ */ 2 3 #include <sys/cdefs.h> 4 __KERNEL_RCSID(0, "$NetBSD: mpu_isapnp.c,v 1.21 2019/05/08 13:40:18 isaki 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/audio_if.h> 19 #include <dev/midi_if.h> 20 21 #include <dev/isa/isavar.h> 22 #include <dev/isa/isadmavar.h> 23 24 #include <dev/isapnp/isapnpreg.h> 25 #include <dev/isapnp/isapnpvar.h> 26 #include <dev/isapnp/isapnpdevs.h> 27 28 #include <dev/ic/mpuvar.h> 29 30 static int mpu_isapnp_match(device_t, cfdata_t, void *); 31 static void mpu_isapnp_attach(device_t, device_t, void *); 32 33 struct mpu_isapnp_softc { 34 void *sc_ih; 35 kmutex_t sc_lock; 36 37 struct mpu_softc sc_mpu; 38 }; 39 40 CFATTACH_DECL_NEW(mpu_isapnp, sizeof(struct mpu_isapnp_softc), 41 mpu_isapnp_match, mpu_isapnp_attach, NULL, NULL); 42 43 static int 44 mpu_isapnp_match(device_t parent, cfdata_t match, void *aux) 45 { 46 int pri, variant; 47 48 pri = isapnp_devmatch(aux, &isapnp_mpu_devinfo, &variant); 49 if (pri && variant > 0) 50 pri = 0; 51 return pri; 52 } 53 54 static void 55 mpu_isapnp_attach(device_t parent, device_t self, void *aux) 56 { 57 struct mpu_isapnp_softc *sc = device_private(self); 58 struct isapnp_attach_args *ipa = aux; 59 60 aprint_normal("\n"); 61 62 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 63 aprint_error_dev(self, "error in region allocation\n"); 64 return; 65 } 66 67 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_AUDIO); 68 69 sc->sc_mpu.iot = ipa->ipa_iot; 70 sc->sc_mpu.ioh = ipa->ipa_io[0].h; 71 sc->sc_mpu.lock = &sc->sc_lock; 72 73 mutex_enter(&sc->sc_lock); 74 75 if (!mpu_find(&sc->sc_mpu)) { 76 aprint_error_dev(self, "find failed\n"); 77 mutex_exit(&sc->sc_lock); 78 mutex_destroy(&sc->sc_lock); 79 return; 80 } 81 82 mutex_exit(&sc->sc_lock); 83 84 aprint_normal_dev(self, "%s %s\n", ipa->ipa_devident, 85 ipa->ipa_devclass); 86 87 sc->sc_mpu.model = "Roland MPU-401 MIDI UART"; 88 89 midi_attach_mi(&mpu_midi_hw_if, &sc->sc_mpu, self); 90 91 sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 92 ipa->ipa_irq[0].type, IPL_AUDIO, mpu_intr, &sc->sc_mpu); 93 } 94