16c94880fSSascha Wildner /*-
26c94880fSSascha Wildner * Copyright (c) 1999 Seigo Tanimura
36c94880fSSascha Wildner * Copyright (c) 2003 Mathew Kanner
46c94880fSSascha Wildner * Copyright (c) 2003-2006 Yuriy Tsibizov <yuriy.tsibizov@gfk.ru>
56c94880fSSascha Wildner * All rights reserved
66c94880fSSascha Wildner *
76c94880fSSascha Wildner * Redistribution and use in source and binary forms, with or without
86c94880fSSascha Wildner * modification, are permitted provided that the following conditions
96c94880fSSascha Wildner * are met:
106c94880fSSascha Wildner * 1. Redistributions of source code must retain the above copyright
116c94880fSSascha Wildner * notice, this list of conditions and the following disclaimer.
126c94880fSSascha Wildner * 2. Redistributions in binary form must reproduce the above copyright
136c94880fSSascha Wildner * notice, this list of conditions and the following disclaimer in the
146c94880fSSascha Wildner * documentation and/or other materials provided with the distribution.
156c94880fSSascha Wildner *
166c94880fSSascha Wildner * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
176c94880fSSascha Wildner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
186c94880fSSascha Wildner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
196c94880fSSascha Wildner * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
206c94880fSSascha Wildner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
216c94880fSSascha Wildner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
226c94880fSSascha Wildner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
236c94880fSSascha Wildner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
246c94880fSSascha Wildner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
256c94880fSSascha Wildner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
266c94880fSSascha Wildner * SUCH DAMAGE.
276c94880fSSascha Wildner *
286c94880fSSascha Wildner * $FreeBSD: head/sys/dev/sound/pci/emu10kx-midi.c 246128 2013-01-30 18:01:20Z sbz $
296c94880fSSascha Wildner */
306c94880fSSascha Wildner
316c94880fSSascha Wildner #include <sys/param.h>
326c94880fSSascha Wildner #include <sys/types.h>
336c94880fSSascha Wildner #include <sys/bus.h>
346c94880fSSascha Wildner #include <sys/rman.h>
356c94880fSSascha Wildner #include <sys/systm.h>
366c94880fSSascha Wildner #include <sys/sbuf.h>
376c94880fSSascha Wildner #include <sys/queue.h>
386c94880fSSascha Wildner #include <sys/lock.h>
396c94880fSSascha Wildner
406c94880fSSascha Wildner #ifdef HAVE_KERNEL_OPTION_HEADERS
416c94880fSSascha Wildner #include "opt_snd.h"
426c94880fSSascha Wildner #endif
436c94880fSSascha Wildner
446c94880fSSascha Wildner #include <dev/sound/chip.h>
456c94880fSSascha Wildner #include <dev/sound/pcm/sound.h>
466c94880fSSascha Wildner
476c94880fSSascha Wildner #include <dev/sound/midi/midi.h>
486c94880fSSascha Wildner #include <dev/sound/midi/mpu401.h>
496c94880fSSascha Wildner #include "mpufoi_if.h"
506c94880fSSascha Wildner
516c94880fSSascha Wildner #include <dev/sound/pci/emuxkireg.h>
526c94880fSSascha Wildner #include <dev/sound/pci/emu10kx.h>
536c94880fSSascha Wildner
546c94880fSSascha Wildner struct emu_midi_softc {
55af11d9eeSSascha Wildner struct lock lock;
566c94880fSSascha Wildner device_t dev;
576c94880fSSascha Wildner struct mpu401 *mpu;
586c94880fSSascha Wildner mpu401_intr_t *mpu_intr;
596c94880fSSascha Wildner struct emu_sc_info *card;
606c94880fSSascha Wildner int port; /* I/O port or I/O ptr reg */
616c94880fSSascha Wildner int is_emu10k1;
626c94880fSSascha Wildner int fflags; /* File flags */
636c94880fSSascha Wildner int ihandle; /* interrupt manager handle */
646c94880fSSascha Wildner };
656c94880fSSascha Wildner
666c94880fSSascha Wildner static uint32_t emu_midi_card_intr(void *p, uint32_t arg);
676c94880fSSascha Wildner static devclass_t emu_midi_devclass;
686c94880fSSascha Wildner
696c94880fSSascha Wildner static unsigned char
emu_mread(struct mpu401 * arg __unused,void * cookie,int reg)706c94880fSSascha Wildner emu_mread(struct mpu401 *arg __unused, void *cookie, int reg)
716c94880fSSascha Wildner {
726c94880fSSascha Wildner struct emu_midi_softc *sc = cookie;
736c94880fSSascha Wildner unsigned int d;
746c94880fSSascha Wildner
756c94880fSSascha Wildner d = 0;
766c94880fSSascha Wildner if (sc->is_emu10k1)
776c94880fSSascha Wildner d = emu_rd(sc->card, 0x18 + reg, 1);
786c94880fSSascha Wildner else
796c94880fSSascha Wildner d = emu_rdptr(sc->card, 0, sc->port + reg);
806c94880fSSascha Wildner
816c94880fSSascha Wildner return (d);
826c94880fSSascha Wildner }
836c94880fSSascha Wildner
846c94880fSSascha Wildner static void
emu_mwrite(struct mpu401 * arg __unused,void * cookie,int reg,unsigned char b)856c94880fSSascha Wildner emu_mwrite(struct mpu401 *arg __unused, void *cookie, int reg, unsigned char b)
866c94880fSSascha Wildner {
876c94880fSSascha Wildner struct emu_midi_softc *sc = cookie;
886c94880fSSascha Wildner
896c94880fSSascha Wildner if (sc->is_emu10k1)
906c94880fSSascha Wildner emu_wr(sc->card, 0x18 + reg, b, 1);
916c94880fSSascha Wildner else
926c94880fSSascha Wildner emu_wrptr(sc->card, 0, sc->port + reg, b);
936c94880fSSascha Wildner }
946c94880fSSascha Wildner
956c94880fSSascha Wildner static int
emu_muninit(struct mpu401 * arg __unused,void * cookie)966c94880fSSascha Wildner emu_muninit(struct mpu401 *arg __unused, void *cookie)
976c94880fSSascha Wildner {
986c94880fSSascha Wildner struct emu_midi_softc *sc = cookie;
996c94880fSSascha Wildner
100af11d9eeSSascha Wildner lockmgr(&sc->lock, LK_EXCLUSIVE);
1016c94880fSSascha Wildner sc->mpu_intr = NULL;
102af11d9eeSSascha Wildner lockmgr(&sc->lock, LK_RELEASE);
1036c94880fSSascha Wildner
1046c94880fSSascha Wildner return (0);
1056c94880fSSascha Wildner }
1066c94880fSSascha Wildner
1076c94880fSSascha Wildner static kobj_method_t emu_mpu_methods[] = {
1086c94880fSSascha Wildner KOBJMETHOD(mpufoi_read, emu_mread),
1096c94880fSSascha Wildner KOBJMETHOD(mpufoi_write, emu_mwrite),
1106c94880fSSascha Wildner KOBJMETHOD(mpufoi_uninit, emu_muninit),
1116c94880fSSascha Wildner KOBJMETHOD_END
1126c94880fSSascha Wildner };
1136c94880fSSascha Wildner static DEFINE_CLASS(emu_mpu, emu_mpu_methods, 0);
1146c94880fSSascha Wildner
1156c94880fSSascha Wildner static uint32_t
emu_midi_card_intr(void * p,uint32_t intr_status)1166c94880fSSascha Wildner emu_midi_card_intr(void *p, uint32_t intr_status)
1176c94880fSSascha Wildner {
1186c94880fSSascha Wildner struct emu_midi_softc *sc = (struct emu_midi_softc *)p;
1196c94880fSSascha Wildner if (sc->mpu_intr)
1206c94880fSSascha Wildner (sc->mpu_intr) (sc->mpu);
1216c94880fSSascha Wildner if (sc->mpu_intr == NULL) {
1226c94880fSSascha Wildner /* We should read MIDI event to unlock card after
1236c94880fSSascha Wildner * interrupt. XXX - check, why this happens. */
1246c94880fSSascha Wildner if (bootverbose)
1256c94880fSSascha Wildner device_printf(sc->dev, "midi interrupt %08x without interrupt handler, force mread!\n", intr_status);
1266c94880fSSascha Wildner (void)emu_mread((void *)(NULL), sc, 0);
1276c94880fSSascha Wildner }
1286c94880fSSascha Wildner return (intr_status); /* Acknowledge everything */
1296c94880fSSascha Wildner }
1306c94880fSSascha Wildner
1316c94880fSSascha Wildner static void
emu_midi_intr(void * p)1326c94880fSSascha Wildner emu_midi_intr(void *p)
1336c94880fSSascha Wildner {
1346c94880fSSascha Wildner (void)emu_midi_card_intr(p, 0);
1356c94880fSSascha Wildner }
1366c94880fSSascha Wildner
1376c94880fSSascha Wildner static int
emu_midi_probe(device_t dev)1386c94880fSSascha Wildner emu_midi_probe(device_t dev)
1396c94880fSSascha Wildner {
1406c94880fSSascha Wildner struct emu_midi_softc *scp;
1416c94880fSSascha Wildner uintptr_t func, r, is_emu10k1;
1426c94880fSSascha Wildner
1436c94880fSSascha Wildner r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
1446c94880fSSascha Wildner if (func != SCF_MIDI)
1456c94880fSSascha Wildner return (ENXIO);
1466c94880fSSascha Wildner
1476c94880fSSascha Wildner scp = device_get_softc(dev);
1486c94880fSSascha Wildner bzero(scp, sizeof(*scp));
1496c94880fSSascha Wildner r = BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_ISEMU10K1, &is_emu10k1);
1506c94880fSSascha Wildner scp->is_emu10k1 = is_emu10k1 ? 1 : 0;
1516c94880fSSascha Wildner
1526c94880fSSascha Wildner device_set_desc(dev, "EMU10Kx MIDI Interface");
1536c94880fSSascha Wildner return (0);
1546c94880fSSascha Wildner }
1556c94880fSSascha Wildner
1566c94880fSSascha Wildner static int
emu_midi_attach(device_t dev)1576c94880fSSascha Wildner emu_midi_attach(device_t dev)
1586c94880fSSascha Wildner {
1596c94880fSSascha Wildner struct emu_midi_softc * scp;
1606c94880fSSascha Wildner struct sndcard_func *func;
1616c94880fSSascha Wildner struct emu_midiinfo *midiinfo;
1626c94880fSSascha Wildner uint32_t inte_val, ipr_val;
1636c94880fSSascha Wildner
1646c94880fSSascha Wildner scp = device_get_softc(dev);
1656c94880fSSascha Wildner func = device_get_ivars(dev);
1666c94880fSSascha Wildner
1676c94880fSSascha Wildner scp->dev = dev;
1686c94880fSSascha Wildner midiinfo = (struct emu_midiinfo *)func->varinfo;
1696c94880fSSascha Wildner scp->port = midiinfo->port;
1706c94880fSSascha Wildner scp->card = midiinfo->card;
1716c94880fSSascha Wildner
172af11d9eeSSascha Wildner lockinit(&scp->lock, device_get_nameunit(dev), 0, LK_CANRECURSE);
1736c94880fSSascha Wildner
1746c94880fSSascha Wildner if (scp->is_emu10k1) {
1756c94880fSSascha Wildner /* SB Live! - only one MIDI device here */
1766c94880fSSascha Wildner inte_val = 0;
1776c94880fSSascha Wildner /* inte_val |= EMU_INTE_MIDITXENABLE;*/
1786c94880fSSascha Wildner inte_val |= EMU_INTE_MIDIRXENABLE;
1796c94880fSSascha Wildner ipr_val = EMU_IPR_MIDITRANSBUFE;
1806c94880fSSascha Wildner ipr_val |= EMU_IPR_MIDIRECVBUFE;
1816c94880fSSascha Wildner } else {
1826c94880fSSascha Wildner if (scp->port == EMU_A_MUDATA1) {
1836c94880fSSascha Wildner /* EXTERNAL MIDI (AudigyDrive) */
1846c94880fSSascha Wildner inte_val = 0;
1856c94880fSSascha Wildner /* inte_val |= A_EMU_INTE_MIDITXENABLE1;*/
1866c94880fSSascha Wildner inte_val |= EMU_INTE_MIDIRXENABLE;
1876c94880fSSascha Wildner ipr_val = EMU_IPR_MIDITRANSBUFE;
1886c94880fSSascha Wildner ipr_val |= EMU_IPR_MIDIRECVBUFE;
1896c94880fSSascha Wildner } else {
1906c94880fSSascha Wildner /* MIDI hw config port 2 */
1916c94880fSSascha Wildner inte_val = 0;
1926c94880fSSascha Wildner /* inte_val |= A_EMU_INTE_MIDITXENABLE2;*/
1936c94880fSSascha Wildner inte_val |= EMU_INTE_A_MIDIRXENABLE2;
1946c94880fSSascha Wildner ipr_val = EMU_IPR_A_MIDITRANSBUFE2;
1956c94880fSSascha Wildner ipr_val |= EMU_IPR_A_MIDIRECBUFE2;
1966c94880fSSascha Wildner }
1976c94880fSSascha Wildner }
1986c94880fSSascha Wildner
1996c94880fSSascha Wildner scp->ihandle = emu_intr_register(scp->card, inte_val, ipr_val, &emu_midi_card_intr, scp);
2006c94880fSSascha Wildner /* Init the interface. */
2016c94880fSSascha Wildner scp->mpu = mpu401_init(&emu_mpu_class, scp, emu_midi_intr, &scp->mpu_intr);
2026c94880fSSascha Wildner if (scp->mpu == NULL) {
2036c94880fSSascha Wildner emu_intr_unregister(scp->card, scp->ihandle);
204af11d9eeSSascha Wildner lockuninit(&scp->lock);
2056c94880fSSascha Wildner return (ENOMEM);
2066c94880fSSascha Wildner }
2076c94880fSSascha Wildner /*
2086c94880fSSascha Wildner * XXX I don't know how to check for Live!Drive / AudigyDrive
2096c94880fSSascha Wildner * presence. Let's hope that IR enabling code will not harm if
2106c94880fSSascha Wildner * it is not present.
2116c94880fSSascha Wildner */
2126c94880fSSascha Wildner if (scp->is_emu10k1)
2136c94880fSSascha Wildner emu_enable_ir(scp->card);
2146c94880fSSascha Wildner else {
2156c94880fSSascha Wildner if (scp->port == EMU_A_MUDATA1)
2166c94880fSSascha Wildner emu_enable_ir(scp->card);
2176c94880fSSascha Wildner }
2186c94880fSSascha Wildner
2196c94880fSSascha Wildner return (0);
2206c94880fSSascha Wildner }
2216c94880fSSascha Wildner
2226c94880fSSascha Wildner
2236c94880fSSascha Wildner static int
emu_midi_detach(device_t dev)2246c94880fSSascha Wildner emu_midi_detach(device_t dev)
2256c94880fSSascha Wildner {
2266c94880fSSascha Wildner struct emu_midi_softc *scp;
2276c94880fSSascha Wildner
2286c94880fSSascha Wildner scp = device_get_softc(dev);
2296c94880fSSascha Wildner mpu401_uninit(scp->mpu);
2306c94880fSSascha Wildner emu_intr_unregister(scp->card, scp->ihandle);
231af11d9eeSSascha Wildner lockuninit(&scp->lock);
2326c94880fSSascha Wildner return (0);
2336c94880fSSascha Wildner }
2346c94880fSSascha Wildner
2356c94880fSSascha Wildner static device_method_t emu_midi_methods[] = {
2366c94880fSSascha Wildner DEVMETHOD(device_probe, emu_midi_probe),
2376c94880fSSascha Wildner DEVMETHOD(device_attach, emu_midi_attach),
2386c94880fSSascha Wildner DEVMETHOD(device_detach, emu_midi_detach),
2396c94880fSSascha Wildner
2406c94880fSSascha Wildner DEVMETHOD_END
2416c94880fSSascha Wildner };
2426c94880fSSascha Wildner
2436c94880fSSascha Wildner static driver_t emu_midi_driver = {
2446c94880fSSascha Wildner "midi",
2456c94880fSSascha Wildner emu_midi_methods,
2466c94880fSSascha Wildner sizeof(struct emu_midi_softc),
2476c94880fSSascha Wildner };
248*17975de1SSascha Wildner DRIVER_MODULE(snd_emu10kx_midi, emu10kx, emu_midi_driver, emu_midi_devclass,
249*17975de1SSascha Wildner NULL, NULL);
2506c94880fSSascha Wildner MODULE_DEPEND(snd_emu10kx_midi, snd_emu10kx, SND_EMU10KX_MINVER, SND_EMU10KX_PREFVER, SND_EMU10KX_MAXVER);
2516c94880fSSascha Wildner MODULE_DEPEND(snd_emu10kx_midi, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
2526c94880fSSascha Wildner MODULE_VERSION(snd_emu10kx_midi, SND_EMU10KX_PREFVER);
253