1 files changed, 134 insertions, 0 deletions

diff --git a/sound/isa/sb/emu8000_synth.c b/sound/isa/sb/emu8000_synth.c
new file mode 100644
index 000000000000..1f63aa52d596
--- /dev/null
+++ b/sound/isa/sb/emu8000_synth.c
@@ -0,0 +1,134 @@
+/*
+ *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ *     and (c) 1999 Steve Ratcliffe <steve@parabola.demon.co.uk>
+ *  Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de>
+ *
+ *  Emu8000 synth plug-in routine
+ *
+ *   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 "emu8000_local.h"
+#include <linux/init.h>
+#include <sound/initval.h>
+
+MODULE_AUTHOR("Takashi Iwai, Steve Ratcliffe");
+MODULE_DESCRIPTION("Emu8000 synth plug-in routine");
+MODULE_LICENSE("GPL");
+
+/*----------------------------------------------------------------*/
+
+/*
+ * create a new hardware dependent device for Emu8000
+ */
+static int snd_emu8000_new_device(snd_seq_device_t *dev)
+{
+        emu8000_t *hw;
+        snd_emux_t *emu;
+
+        hw = *(emu8000_t**)SNDRV_SEQ_DEVICE_ARGPTR(dev);
+        if (hw == NULL)
+                return -EINVAL;
+
+        if (hw->emu)
+                return -EBUSY; /* already exists..? */
+
+        if (snd_emux_new(&emu) < 0)
+                return -ENOMEM;
+
+        hw->emu = emu;
+        snd_emu8000_ops_setup(hw);
+
+        emu->hw = hw;
+        emu->max_voices = EMU8000_DRAM_VOICES;
+        emu->num_ports = hw->seq_ports;
+
+        if (hw->memhdr) {
+                snd_printk("memhdr is already initialized!?\n");
+                snd_util_memhdr_free(hw->memhdr);
+        }
+        hw->memhdr = snd_util_memhdr_new(hw->mem_size);
+        if (hw->memhdr == NULL) {
+                snd_emux_free(emu);
+                hw->emu = NULL;
+                return -ENOMEM;
+        }
+
+        emu->memhdr = hw->memhdr;
+        emu->midi_ports = hw->seq_ports < 2 ? hw->seq_ports : 2; /* number of virmidi ports */
+        emu->midi_devidx = 1;
+        emu->linear_panning = 1;
+        emu->hwdep_idx = 2; /* FIXED */
+
+        if (snd_emux_register(emu, dev->card, hw->index, "Emu8000") < 0) {
+                snd_emux_free(emu);
+                snd_util_memhdr_free(hw->memhdr);
+                hw->emu = NULL;
+                hw->memhdr = NULL;
+                return -ENOMEM;
+        }
+
+        if (hw->mem_size > 0)
+                snd_emu8000_pcm_new(dev->card, hw, 1);
+
+        dev->driver_data = hw;
+
+        return 0;
+}
+
+
+/*
+ * free all resources
+ */
+static int snd_emu8000_delete_device(snd_seq_device_t *dev)
+{
+        emu8000_t *hw;
+
+        if (dev->driver_data == NULL)
+                return 0; /* no synth was allocated actually */
+
+        hw = dev->driver_data;
+        if (hw->pcm)
+                snd_device_free(dev->card, hw->pcm);
+        if (hw->emu)
+                snd_emux_free(hw->emu);
+        if (hw->memhdr)
+                snd_util_memhdr_free(hw->memhdr);
+        hw->emu = NULL;
+        hw->memhdr = NULL;
+        return 0;
+}
+
+/*
+ *  INIT part
+ */
+
+static int __init alsa_emu8000_init(void)
+{
+        
+        static snd_seq_dev_ops_t ops = {
+                snd_emu8000_new_device,
+                snd_emu8000_delete_device,
+        };
+        return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_EMU8000, &ops, sizeof(emu8000_t*));
+}
+
+static void __exit alsa_emu8000_exit(void)
+{
+        snd_seq_device_unregister_driver(SNDRV_SEQ_DEV_ID_EMU8000);
+}
+
+module_init(alsa_emu8000_init)
+module_exit(alsa_emu8000_exit)