1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 1999 Seigo Tanimura
* Copyright (c) 2003 Mathew Kanner
* Copyright (c) 2003-2006 Yuriy Tsibizov <yuriy.tsibizov@gfk.ru>
* 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 <sys/param.h>
#include <sys/types.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <sys/systm.h>
#include <sys/sbuf.h>
#include <sys/queue.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#ifdef HAVE_KERNEL_OPTION_HEADERS
#include "opt_snd.h"
#endif
#include <dev/sound/pcm/sound.h>
#include <dev/sound/midi/midi.h>
#include <dev/sound/midi/mpu401.h>
#include "mpufoi_if.h"
#include <dev/sound/pci/emuxkireg.h>
#include <dev/sound/pci/emu10kx.h>
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);
|
