2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
3 * and (c) 1999 Steve Ratcliffe <steve@parabola.demon.co.uk>
4 * Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de>
6 * Emu8000 synth plug-in routine
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include "emu8000_local.h"
24 #include <linux/init.h>
25 #include <sound/initval.h>
27 MODULE_AUTHOR("Takashi Iwai, Steve Ratcliffe");
28 MODULE_DESCRIPTION("Emu8000 synth plug-in routine");
29 MODULE_LICENSE("GPL");
31 /*----------------------------------------------------------------*/
34 * create a new hardware dependent device for Emu8000
36 static int snd_emu8000_new_device(struct snd_seq_device *dev)
38 struct snd_emu8000 *hw;
41 hw = *(struct snd_emu8000**)SNDRV_SEQ_DEVICE_ARGPTR(dev);
46 return -EBUSY; /* already exists..? */
48 if (snd_emux_new(&emu) < 0)
52 snd_emu8000_ops_setup(hw);
55 emu->max_voices = EMU8000_DRAM_VOICES;
56 emu->num_ports = hw->seq_ports;
59 snd_printk(KERN_ERR "memhdr is already initialized!?\n");
60 snd_util_memhdr_free(hw->memhdr);
62 hw->memhdr = snd_util_memhdr_new(hw->mem_size);
63 if (hw->memhdr == NULL) {
69 emu->memhdr = hw->memhdr;
70 emu->midi_ports = hw->seq_ports < 2 ? hw->seq_ports : 2; /* number of virmidi ports */
72 emu->linear_panning = 1;
73 emu->hwdep_idx = 2; /* FIXED */
75 if (snd_emux_register(emu, dev->card, hw->index, "Emu8000") < 0) {
77 snd_util_memhdr_free(hw->memhdr);
84 snd_emu8000_pcm_new(dev->card, hw, 1);
86 dev->driver_data = hw;
95 static int snd_emu8000_delete_device(struct snd_seq_device *dev)
97 struct snd_emu8000 *hw;
99 if (dev->driver_data == NULL)
100 return 0; /* no synth was allocated actually */
102 hw = dev->driver_data;
104 snd_device_free(dev->card, hw->pcm);
106 snd_emux_free(hw->emu);
108 snd_util_memhdr_free(hw->memhdr);
118 static int __init alsa_emu8000_init(void)
121 static struct snd_seq_dev_ops ops = {
122 snd_emu8000_new_device,
123 snd_emu8000_delete_device,
125 return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_EMU8000, &ops,
126 sizeof(struct snd_emu8000*));
129 static void __exit alsa_emu8000_exit(void)
131 snd_seq_device_unregister_driver(SNDRV_SEQ_DEV_ID_EMU8000);
134 module_init(alsa_emu8000_init)
135 module_exit(alsa_emu8000_exit)