/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 1999 Seigo Tanimura * Copyright (c) 2003 Mathew Kanner * Copyright (c) 2003-2006 Yuriy Tsibizov * All rights reserved * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_KERNEL_OPTION_HEADERS #include "opt_snd.h" #endif #include #include #include #include #include "mpufoi_if.h" #include #include struct emu_midi_softc { struct mtx mtx; device_t dev; struct mpu401 *mpu; mpu401_intr_t *mpu_intr; struct emu_sc_info *card; int port; /* I/O port or I/O ptr reg */ int is_emu10k1; int fflags; /* File flags */ int ihandle; /* interrupt manager handle */ }; static uint32_t emu_midi_card_intr(void *p, uint32_t arg); static unsigned char emu_mread(struct mpu401 *arg __unused, void *cookie, int reg) { struct emu_midi_softc *sc = cookie; unsigned int d; d = 0; if (sc->is_emu10k1) d = emu_rd(sc->card, 0x18 + reg, 1); else d = emu_rdptr(sc->card, 0, sc->port + reg); return (d); } static void emu_mwrite(struct mpu401 *arg __unused, void *cookie, int reg, unsigned char b) { struct emu_midi_softc *sc = cookie; if (sc->is_emu10k1) emu_wr(sc->card, 0x18 + reg, b, 1); else emu_wrptr(sc->card, 0, sc->port + reg, b); } static int emu_muninit(struct mpu401 *arg __unused, void *cookie) { struct emu_midi_softc *sc = cookie; mtx_lock(&sc->mtx); sc->mpu_intr = NULL; mtx_unlock(&sc->mtx); return (0); } static kobj_method_t emu_mpu_methods[] = { KOBJMETHOD(mpufoi_read, emu_mread), KOBJMETHOD(mpufoi_write, emu_mwrite), KOBJMETHOD(mpufoi_uninit, emu_muninit), KOBJMETHOD_END }; static DEFINE_CLASS(emu_mpu, emu_mpu_methods, 0); static uint32_t emu_midi_card_intr(void *p, uint32_t intr_status) { struct emu_midi_softc *sc = (struct emu_midi_softc *)p; if (sc->mpu_intr) (sc->mpu_intr) (sc->mpu); if (sc->mpu_intr == NULL) { /* We should read MIDI event to unlock card after * interrupt. XXX - check, why this happens. */ if (bootverbose) device_printf(sc->dev, "midi interrupt %08x without interrupt handler, force mread!\n", intr_status); (void)emu_mread((void *)(NULL), sc, 0); } return (intr_status); /* Acknowledge everything */ } static void emu_midi_intr(void *p) { (void)emu_midi_card_intr(p, 0); } static int emu_midi_probe(device_t dev) { struct emu_midi_softc *scp; uintptr_t func, is_emu10k1; BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func); if (func != SCF_MIDI) return (ENXIO); scp = device_get_softc(dev); bzero(scp, sizeof(*scp)); BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_ISEMU10K1, &is_emu10k1); scp->is_emu10k1 = is_emu10k1 ? 1 : 0; device_set_desc(dev, "EMU10Kx MIDI Interface"); return (0); } static int emu_midi_attach(device_t dev) { struct emu_midi_softc * scp; struct sndcard_func *func; struct emu_midiinfo *midiinfo; uint32_t inte_val, ipr_val; scp = device_get_softc(dev); func = device_get_ivars(dev); scp->dev = dev; midiinfo = (struct emu_midiinfo *)func->varinfo; scp->port = midiinfo->port; scp->card = midiinfo->card; mtx_init(&scp->mtx, device_get_nameunit(dev), "midi softc", MTX_DEF); if (scp->is_emu10k1) { /* SB Live! - only one MIDI device here */ inte_val = 0; /* inte_val |= EMU_INTE_MIDITXENABLE;*/ inte_val |= EMU_INTE_MIDIRXENABLE; ipr_val = EMU_IPR_MIDITRANSBUFE; ipr_val |= EMU_IPR_MIDIRECVBUFE; } else { if (scp->port == EMU_A_MUDATA1) { /* EXTERNAL MIDI (AudigyDrive) */ inte_val = 0; /* inte_val |= A_EMU_INTE_MIDITXENABLE1;*/ inte_val |= EMU_INTE_MIDIRXENABLE; ipr_val = EMU_IPR_MIDITRANSBUFE; ipr_val |= EMU_IPR_MIDIRECVBUFE; } else { /* MIDI hw config port 2 */ inte_val = 0; /* inte_val |= A_EMU_INTE_MIDITXENABLE2;*/ inte_val |= EMU_INTE_A_MIDIRXENABLE2; ipr_val = EMU_IPR_A_MIDITRANSBUFE2; ipr_val |= EMU_IPR_A_MIDIRECBUFE2; } } scp->ihandle = emu_intr_register(scp->card, inte_val, ipr_val, &emu_midi_card_intr, scp); /* Init the interface. */ scp->mpu = mpu401_init(&emu_mpu_class, scp, emu_midi_intr, &scp->mpu_intr); if (scp->mpu == NULL) { emu_intr_unregister(scp->card, scp->ihandle); mtx_destroy(&scp->mtx); return (ENOMEM); } /* * XXX I don't know how to check for Live!Drive / AudigyDrive * presence. Let's hope that IR enabling code will not harm if * it is not present. */ if (scp->is_emu10k1) emu_enable_ir(scp->card); else { if (scp->port == EMU_A_MUDATA1) emu_enable_ir(scp->card); } return (0); } static int emu_midi_detach(device_t dev) { struct emu_midi_softc *scp; scp = device_get_softc(dev); mpu401_uninit(scp->mpu); emu_intr_unregister(scp->card, scp->ihandle); mtx_destroy(&scp->mtx); return (0); } static device_method_t emu_midi_methods[] = { DEVMETHOD(device_probe, emu_midi_probe), DEVMETHOD(device_attach, emu_midi_attach), DEVMETHOD(device_detach, emu_midi_detach), DEVMETHOD_END }; static driver_t emu_midi_driver = { "midi", emu_midi_methods, sizeof(struct emu_midi_softc), }; DRIVER_MODULE(snd_emu10kx_midi, emu10kx, emu_midi_driver, 0, 0); MODULE_DEPEND(snd_emu10kx_midi, snd_emu10kx, SND_EMU10KX_MINVER, SND_EMU10KX_PREFVER, SND_EMU10KX_MAXVER); MODULE_DEPEND(snd_emu10kx_midi, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); MODULE_VERSION(snd_emu10kx_midi, SND_EMU10KX_PREFVER);