1 files changed, 173 insertions, 0 deletions

diff --git a/sound/synth/emux/emux.c b/sound/synth/emux/emux.c
new file mode 100644
index 000000000000..16f3b461627a
--- /dev/null
+++ b/sound/synth/emux/emux.c
@@ -0,0 +1,173 @@
+/*
+ *  Copyright (C) 2000 Takashi Iwai <tiwai@suse.de>
+ *
+ *  Routines for control of EMU WaveTable chip
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <sound/driver.h>
+#include <linux/wait.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/emux_synth.h>
+#include <linux/init.h>
+#include "emux_voice.h"
+
+MODULE_AUTHOR("Takashi Iwai");
+MODULE_DESCRIPTION("Routines for control of EMU WaveTable chip");
+MODULE_LICENSE("GPL");
+
+/*
+ * create a new hardware dependent device for Emu8000/Emu10k1
+ */
+int snd_emux_new(snd_emux_t **remu)
+{
+        snd_emux_t *emu;
+
+        *remu = NULL;
+        emu = kcalloc(1, sizeof(*emu), GFP_KERNEL);
+        if (emu == NULL)
+                return -ENOMEM;
+
+        spin_lock_init(&emu->voice_lock);
+        init_MUTEX(&emu->register_mutex);
+
+        emu->client = -1;
+#ifdef CONFIG_SND_SEQUENCER_OSS
+        emu->oss_synth = NULL;
+#endif
+        emu->max_voices = 0;
+        emu->use_time = 0;
+
+        init_timer(&emu->tlist);
+        emu->tlist.function = snd_emux_timer_callback;
+        emu->tlist.data = (unsigned long)emu;
+        emu->timer_active = 0;
+
+        *remu = emu;
+        return 0;
+}
+
+
+/*
+ */
+int snd_emux_register(snd_emux_t *emu, snd_card_t *card, int index, char *name)
+{
+        int err;
+        snd_sf_callback_t sf_cb;
+
+        snd_assert(emu->hw != NULL, return -EINVAL);
+        snd_assert(emu->max_voices > 0, return -EINVAL);
+        snd_assert(card != NULL, return -EINVAL);
+        snd_assert(name != NULL, return -EINVAL);
+
+        emu->card = card;
+        emu->name = snd_kmalloc_strdup(name, GFP_KERNEL);
+        emu->voices = kcalloc(emu->max_voices, sizeof(snd_emux_voice_t), GFP_KERNEL);
+        if (emu->voices == NULL)
+                return -ENOMEM;
+
+        /* create soundfont list */
+        memset(&sf_cb, 0, sizeof(sf_cb));
+        sf_cb.private_data = emu;
+        sf_cb.sample_new = (snd_sf_sample_new_t)emu->ops.sample_new;
+        sf_cb.sample_free = (snd_sf_sample_free_t)emu->ops.sample_free;
+        sf_cb.sample_reset = (snd_sf_sample_reset_t)emu->ops.sample_reset;
+        emu->sflist = snd_sf_new(&sf_cb, emu->memhdr);
+        if (emu->sflist == NULL)
+                return -ENOMEM;
+
+        if ((err = snd_emux_init_hwdep(emu)) < 0)
+                return err;
+
+        snd_emux_init_voices(emu);
+
+        snd_emux_init_seq(emu, card, index);
+#ifdef CONFIG_SND_SEQUENCER_OSS
+        snd_emux_init_seq_oss(emu);
+#endif
+        snd_emux_init_virmidi(emu, card);
+
+#ifdef CONFIG_PROC_FS
+        snd_emux_proc_init(emu, card, index);
+#endif
+        return 0;
+}
+
+
+/*
+ */
+int snd_emux_free(snd_emux_t *emu)
+{
+        unsigned long flags;
+
+        if (! emu)
+                return -EINVAL;
+
+        spin_lock_irqsave(&emu->voice_lock, flags);
+        if (emu->timer_active)
+                del_timer(&emu->tlist);
+        spin_unlock_irqrestore(&emu->voice_lock, flags);
+
+#ifdef CONFIG_PROC_FS
+        snd_emux_proc_free(emu);
+#endif
+        snd_emux_delete_virmidi(emu);
+#ifdef CONFIG_SND_SEQUENCER_OSS
+        snd_emux_detach_seq_oss(emu);
+#endif
+        snd_emux_detach_seq(emu);
+
+        snd_emux_delete_hwdep(emu);
+
+        if (emu->sflist)
+                snd_sf_free(emu->sflist);
+
+        kfree(emu->voices);
+        kfree(emu->name);
+        kfree(emu);
+        return 0;
+}
+
+
+EXPORT_SYMBOL(snd_emux_new);
+EXPORT_SYMBOL(snd_emux_register);
+EXPORT_SYMBOL(snd_emux_free);
+
+EXPORT_SYMBOL(snd_emux_terminate_all);
+EXPORT_SYMBOL(snd_emux_lock_voice);
+EXPORT_SYMBOL(snd_emux_unlock_voice);
+
+/* soundfont.c */
+EXPORT_SYMBOL(snd_sf_linear_to_log);
+
+
+/*
+ *  INIT part
+ */
+
+static int __init alsa_emux_init(void)
+{
+        return 0;
+}
+
+static void __exit alsa_emux_exit(void)
+{
+}
+
+module_init(alsa_emux_init)
+module_exit(alsa_emux_exit)