2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1999 Seigo Tanimura
5 * Copyright (c) 2003 Mathew Kanner
6 * Copyright (c) 2003-2006 Yuriy Tsibizov <yuriy.tsibizov@gfk.ru>
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/param.h>
34 #include <sys/types.h>
36 #include <machine/bus.h>
38 #include <sys/systm.h>
40 #include <sys/queue.h>
42 #include <sys/mutex.h>
44 #ifdef HAVE_KERNEL_OPTION_HEADERS
48 #include <dev/sound/chip.h>
49 #include <dev/sound/pcm/sound.h>
51 #include <dev/sound/midi/midi.h>
52 #include <dev/sound/midi/mpu401.h>
53 #include "mpufoi_if.h"
55 #include <dev/sound/pci/emuxkireg.h>
56 #include <dev/sound/pci/emu10kx.h>
58 struct emu_midi_softc {
62 mpu401_intr_t *mpu_intr;
63 struct emu_sc_info *card;
64 int port; /* I/O port or I/O ptr reg */
66 int fflags; /* File flags */
67 int ihandle; /* interrupt manager handle */
70 static uint32_t emu_midi_card_intr(void *p, uint32_t arg);
71 static devclass_t emu_midi_devclass;
74 emu_mread(struct mpu401 *arg __unused, void *cookie, int reg)
76 struct emu_midi_softc *sc = cookie;
81 d = emu_rd(sc->card, 0x18 + reg, 1);
83 d = emu_rdptr(sc->card, 0, sc->port + reg);
89 emu_mwrite(struct mpu401 *arg __unused, void *cookie, int reg, unsigned char b)
91 struct emu_midi_softc *sc = cookie;
94 emu_wr(sc->card, 0x18 + reg, b, 1);
96 emu_wrptr(sc->card, 0, sc->port + reg, b);
100 emu_muninit(struct mpu401 *arg __unused, void *cookie)
102 struct emu_midi_softc *sc = cookie;
106 mtx_unlock(&sc->mtx);
111 static kobj_method_t emu_mpu_methods[] = {
112 KOBJMETHOD(mpufoi_read, emu_mread),
113 KOBJMETHOD(mpufoi_write, emu_mwrite),
114 KOBJMETHOD(mpufoi_uninit, emu_muninit),
117 static DEFINE_CLASS(emu_mpu, emu_mpu_methods, 0);
120 emu_midi_card_intr(void *p, uint32_t intr_status)
122 struct emu_midi_softc *sc = (struct emu_midi_softc *)p;
124 (sc->mpu_intr) (sc->mpu);
125 if (sc->mpu_intr == NULL) {
126 /* We should read MIDI event to unlock card after
127 * interrupt. XXX - check, why this happens. */
129 device_printf(sc->dev, "midi interrupt %08x without interrupt handler, force mread!\n", intr_status);
130 (void)emu_mread((void *)(NULL), sc, 0);
132 return (intr_status); /* Acknowledge everything */
136 emu_midi_intr(void *p)
138 (void)emu_midi_card_intr(p, 0);
142 emu_midi_probe(device_t dev)
144 struct emu_midi_softc *scp;
145 uintptr_t func, r, is_emu10k1;
147 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
148 if (func != SCF_MIDI)
151 scp = device_get_softc(dev);
152 bzero(scp, sizeof(*scp));
153 r = BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_ISEMU10K1, &is_emu10k1);
154 scp->is_emu10k1 = is_emu10k1 ? 1 : 0;
156 device_set_desc(dev, "EMU10Kx MIDI Interface");
161 emu_midi_attach(device_t dev)
163 struct emu_midi_softc * scp;
164 struct sndcard_func *func;
165 struct emu_midiinfo *midiinfo;
166 uint32_t inte_val, ipr_val;
168 scp = device_get_softc(dev);
169 func = device_get_ivars(dev);
172 midiinfo = (struct emu_midiinfo *)func->varinfo;
173 scp->port = midiinfo->port;
174 scp->card = midiinfo->card;
176 mtx_init(&scp->mtx, device_get_nameunit(dev), "midi softc", MTX_DEF);
178 if (scp->is_emu10k1) {
179 /* SB Live! - only one MIDI device here */
181 /* inte_val |= EMU_INTE_MIDITXENABLE;*/
182 inte_val |= EMU_INTE_MIDIRXENABLE;
183 ipr_val = EMU_IPR_MIDITRANSBUFE;
184 ipr_val |= EMU_IPR_MIDIRECVBUFE;
186 if (scp->port == EMU_A_MUDATA1) {
187 /* EXTERNAL MIDI (AudigyDrive) */
189 /* inte_val |= A_EMU_INTE_MIDITXENABLE1;*/
190 inte_val |= EMU_INTE_MIDIRXENABLE;
191 ipr_val = EMU_IPR_MIDITRANSBUFE;
192 ipr_val |= EMU_IPR_MIDIRECVBUFE;
194 /* MIDI hw config port 2 */
196 /* inte_val |= A_EMU_INTE_MIDITXENABLE2;*/
197 inte_val |= EMU_INTE_A_MIDIRXENABLE2;
198 ipr_val = EMU_IPR_A_MIDITRANSBUFE2;
199 ipr_val |= EMU_IPR_A_MIDIRECBUFE2;
203 scp->ihandle = emu_intr_register(scp->card, inte_val, ipr_val, &emu_midi_card_intr, scp);
204 /* Init the interface. */
205 scp->mpu = mpu401_init(&emu_mpu_class, scp, emu_midi_intr, &scp->mpu_intr);
206 if (scp->mpu == NULL) {
207 emu_intr_unregister(scp->card, scp->ihandle);
208 mtx_destroy(&scp->mtx);
212 * XXX I don't know how to check for Live!Drive / AudigyDrive
213 * presence. Let's hope that IR enabling code will not harm if
217 emu_enable_ir(scp->card);
219 if (scp->port == EMU_A_MUDATA1)
220 emu_enable_ir(scp->card);
228 emu_midi_detach(device_t dev)
230 struct emu_midi_softc *scp;
232 scp = device_get_softc(dev);
233 mpu401_uninit(scp->mpu);
234 emu_intr_unregister(scp->card, scp->ihandle);
235 mtx_destroy(&scp->mtx);
239 static device_method_t emu_midi_methods[] = {
240 DEVMETHOD(device_probe, emu_midi_probe),
241 DEVMETHOD(device_attach, emu_midi_attach),
242 DEVMETHOD(device_detach, emu_midi_detach),
247 static driver_t emu_midi_driver = {
250 sizeof(struct emu_midi_softc),
252 DRIVER_MODULE(snd_emu10kx_midi, emu10kx, emu_midi_driver, emu_midi_devclass, 0, 0);
253 MODULE_DEPEND(snd_emu10kx_midi, snd_emu10kx, SND_EMU10KX_MINVER, SND_EMU10KX_PREFVER, SND_EMU10KX_MAXVER);
254 MODULE_DEPEND(snd_emu10kx_midi, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
255 MODULE_VERSION(snd_emu10kx_midi, SND_EMU10KX_PREFVER);