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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (C) 2000 Takashi Iwai <tiwai@suse.de>
4 *
5 * Routines for control of EMU WaveTable chip
6 */
7
8#include <linux/wait.h>
9#include <linux/slab.h>
10#include <linux/string.h>
11#include <sound/core.h>
12#include <sound/emux_synth.h>
13#include <linux/init.h>
14#include <linux/module.h>
15#include "emux_voice.h"
16
17MODULE_AUTHOR("Takashi Iwai");
18MODULE_DESCRIPTION("Routines for control of EMU WaveTable chip");
19MODULE_LICENSE("GPL");
20
21/*
22 * create a new hardware dependent device for Emu8000/Emu10k1
23 */
24int snd_emux_new(struct snd_emux **remu)
25{
26 struct snd_emux *emu;
27
28 *remu = NULL;
29 emu = kzalloc(sizeof(*emu), GFP_KERNEL);
30 if (emu == NULL)
31 return -ENOMEM;
32
33 spin_lock_init(&emu->voice_lock);
34 mutex_init(&emu->register_mutex);
35
36 emu->client = -1;
37#if IS_ENABLED(CONFIG_SND_SEQUENCER_OSS)
38 emu->oss_synth = NULL;
39#endif
40 emu->max_voices = 0;
41 emu->use_time = 0;
42
43 timer_setup(&emu->tlist, snd_emux_timer_callback, 0);
44 emu->timer_active = 0;
45
46 *remu = emu;
47 return 0;
48}
49
50EXPORT_SYMBOL(snd_emux_new);
51
52/*
53 */
54static int sf_sample_new(void *private_data, struct snd_sf_sample *sp,
55 struct snd_util_memhdr *hdr,
56 const void __user *buf, long count)
57{
58 struct snd_emux *emu = private_data;
59 return emu->ops.sample_new(emu, sp, hdr, buf, count);
60
61}
62
63static int sf_sample_free(void *private_data, struct snd_sf_sample *sp,
64 struct snd_util_memhdr *hdr)
65{
66 struct snd_emux *emu = private_data;
67 return emu->ops.sample_free(emu, sp, hdr);
68
69}
70
71static void sf_sample_reset(void *private_data)
72{
73 struct snd_emux *emu = private_data;
74 emu->ops.sample_reset(emu);
75}
76
77int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, char *name)
78{
79 int err;
80 struct snd_sf_callback sf_cb;
81
82 if (snd_BUG_ON(!emu->hw || emu->max_voices <= 0))
83 return -EINVAL;
84 if (snd_BUG_ON(!card || !name))
85 return -EINVAL;
86
87 emu->card = card;
88 emu->name = kstrdup_const(name, GFP_KERNEL);
89 emu->voices = kcalloc(emu->max_voices, sizeof(struct snd_emux_voice),
90 GFP_KERNEL);
91 if (emu->name == NULL || emu->voices == NULL)
92 return -ENOMEM;
93
94 /* create soundfont list */
95 memset(&sf_cb, 0, sizeof(sf_cb));
96 sf_cb.private_data = emu;
97 sf_cb.sample_new = sf_sample_new;
98 sf_cb.sample_free = sf_sample_free;
99 if (emu->ops.sample_reset)
100 sf_cb.sample_reset = sf_sample_reset;
101 emu->sflist = snd_sf_new(&sf_cb, emu->memhdr);
102 if (emu->sflist == NULL)
103 return -ENOMEM;
104
105 err = snd_emux_init_hwdep(emu);
106 if (err < 0)
107 return err;
108
109 snd_emux_init_voices(emu);
110
111 snd_emux_init_seq(emu, card, index);
112#if IS_ENABLED(CONFIG_SND_SEQUENCER_OSS)
113 snd_emux_init_seq_oss(emu);
114#endif
115 snd_emux_init_virmidi(emu, card);
116
117 snd_emux_proc_init(emu, card, index);
118 return 0;
119}
120
121EXPORT_SYMBOL(snd_emux_register);
122
123/*
124 */
125int snd_emux_free(struct snd_emux *emu)
126{
127 if (! emu)
128 return -EINVAL;
129
130 timer_shutdown_sync(&emu->tlist);
131
132 snd_emux_proc_free(emu);
133 snd_emux_delete_virmidi(emu);
134#if IS_ENABLED(CONFIG_SND_SEQUENCER_OSS)
135 snd_emux_detach_seq_oss(emu);
136#endif
137 snd_emux_detach_seq(emu);
138 snd_emux_delete_hwdep(emu);
139 snd_sf_free(emu->sflist);
140 kfree(emu->voices);
141 kfree_const(emu->name);
142 kfree(emu);
143 return 0;
144}
145
146EXPORT_SYMBOL(snd_emux_free);
1/*
2 * Copyright (C) 2000 Takashi Iwai <tiwai@suse.de>
3 *
4 * Routines for control of EMU WaveTable chip
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include <linux/wait.h>
22#include <linux/slab.h>
23#include <linux/string.h>
24#include <sound/core.h>
25#include <sound/emux_synth.h>
26#include <linux/init.h>
27#include <linux/module.h>
28#include "emux_voice.h"
29
30MODULE_AUTHOR("Takashi Iwai");
31MODULE_DESCRIPTION("Routines for control of EMU WaveTable chip");
32MODULE_LICENSE("GPL");
33
34/*
35 * create a new hardware dependent device for Emu8000/Emu10k1
36 */
37int snd_emux_new(struct snd_emux **remu)
38{
39 struct snd_emux *emu;
40
41 *remu = NULL;
42 emu = kzalloc(sizeof(*emu), GFP_KERNEL);
43 if (emu == NULL)
44 return -ENOMEM;
45
46 spin_lock_init(&emu->voice_lock);
47 mutex_init(&emu->register_mutex);
48
49 emu->client = -1;
50#ifdef CONFIG_SND_SEQUENCER_OSS
51 emu->oss_synth = NULL;
52#endif
53 emu->max_voices = 0;
54 emu->use_time = 0;
55
56 init_timer(&emu->tlist);
57 emu->tlist.function = snd_emux_timer_callback;
58 emu->tlist.data = (unsigned long)emu;
59 emu->timer_active = 0;
60
61 *remu = emu;
62 return 0;
63}
64
65EXPORT_SYMBOL(snd_emux_new);
66
67/*
68 */
69static int sf_sample_new(void *private_data, struct snd_sf_sample *sp,
70 struct snd_util_memhdr *hdr,
71 const void __user *buf, long count)
72{
73 struct snd_emux *emu = private_data;
74 return emu->ops.sample_new(emu, sp, hdr, buf, count);
75
76}
77
78static int sf_sample_free(void *private_data, struct snd_sf_sample *sp,
79 struct snd_util_memhdr *hdr)
80{
81 struct snd_emux *emu = private_data;
82 return emu->ops.sample_free(emu, sp, hdr);
83
84}
85
86static void sf_sample_reset(void *private_data)
87{
88 struct snd_emux *emu = private_data;
89 emu->ops.sample_reset(emu);
90}
91
92int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, char *name)
93{
94 int err;
95 struct snd_sf_callback sf_cb;
96
97 if (snd_BUG_ON(!emu->hw || emu->max_voices <= 0))
98 return -EINVAL;
99 if (snd_BUG_ON(!card || !name))
100 return -EINVAL;
101
102 emu->card = card;
103 emu->name = kstrdup(name, GFP_KERNEL);
104 emu->voices = kcalloc(emu->max_voices, sizeof(struct snd_emux_voice),
105 GFP_KERNEL);
106 if (emu->voices == NULL)
107 return -ENOMEM;
108
109 /* create soundfont list */
110 memset(&sf_cb, 0, sizeof(sf_cb));
111 sf_cb.private_data = emu;
112 if (emu->ops.sample_new)
113 sf_cb.sample_new = sf_sample_new;
114 if (emu->ops.sample_free)
115 sf_cb.sample_free = sf_sample_free;
116 if (emu->ops.sample_reset)
117 sf_cb.sample_reset = sf_sample_reset;
118 emu->sflist = snd_sf_new(&sf_cb, emu->memhdr);
119 if (emu->sflist == NULL)
120 return -ENOMEM;
121
122 if ((err = snd_emux_init_hwdep(emu)) < 0)
123 return err;
124
125 snd_emux_init_voices(emu);
126
127 snd_emux_init_seq(emu, card, index);
128#ifdef CONFIG_SND_SEQUENCER_OSS
129 snd_emux_init_seq_oss(emu);
130#endif
131 snd_emux_init_virmidi(emu, card);
132
133#ifdef CONFIG_PROC_FS
134 snd_emux_proc_init(emu, card, index);
135#endif
136 return 0;
137}
138
139EXPORT_SYMBOL(snd_emux_register);
140
141/*
142 */
143int snd_emux_free(struct snd_emux *emu)
144{
145 unsigned long flags;
146
147 if (! emu)
148 return -EINVAL;
149
150 spin_lock_irqsave(&emu->voice_lock, flags);
151 if (emu->timer_active)
152 del_timer(&emu->tlist);
153 spin_unlock_irqrestore(&emu->voice_lock, flags);
154
155#ifdef CONFIG_PROC_FS
156 snd_emux_proc_free(emu);
157#endif
158 snd_emux_delete_virmidi(emu);
159#ifdef CONFIG_SND_SEQUENCER_OSS
160 snd_emux_detach_seq_oss(emu);
161#endif
162 snd_emux_detach_seq(emu);
163
164 snd_emux_delete_hwdep(emu);
165
166 if (emu->sflist)
167 snd_sf_free(emu->sflist);
168
169 kfree(emu->voices);
170 kfree(emu->name);
171 kfree(emu);
172 return 0;
173}
174
175EXPORT_SYMBOL(snd_emux_free);
176
177
178/*
179 * INIT part
180 */
181
182static int __init alsa_emux_init(void)
183{
184 return 0;
185}
186
187static void __exit alsa_emux_exit(void)
188{
189}
190
191module_init(alsa_emux_init)
192module_exit(alsa_emux_exit)