[net-next-2.6.git] / sound / synth / emux / emux.c

/*
 *  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)
Commit	Line	Data
1da177e4 LT	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 <sound/driver.h>
	22	#include <linux/wait.h>
	23	#include <linux/sched.h>
	24	#include <linux/slab.h>
	25	#include <sound/core.h>
	26	#include <sound/emux_synth.h>
	27	#include <linux/init.h>
	28	#include "emux_voice.h"
	29
	30	MODULE_AUTHOR("Takashi Iwai");
	31	MODULE_DESCRIPTION("Routines for control of EMU WaveTable chip");
	32	MODULE_LICENSE("GPL");
	33
	34	/*
	35	* create a new hardware dependent device for Emu8000/Emu10k1
	36	*/
	37	int snd_emux_new(snd_emux_t **remu)
	38	{
	39	snd_emux_t *emu;
	40
	41	*remu = NULL;
	42	emu = kcalloc(1, sizeof(*emu), GFP_KERNEL);
	43	if (emu == NULL)
	44	return -ENOMEM;
	45
	46	spin_lock_init(&emu->voice_lock);
	47	init_MUTEX(&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
65
66	/*
67	*/
68	int snd_emux_register(snd_emux_t emu, snd_card_t card, int index, char *name)
69	{
70	int err;
71	snd_sf_callback_t sf_cb;
72
73	snd_assert(emu->hw != NULL, return -EINVAL);
74	snd_assert(emu->max_voices > 0, return -EINVAL);
75	snd_assert(card != NULL, return -EINVAL);
76	snd_assert(name != NULL, return -EINVAL);
77
78	emu->card = card;
79	emu->name = snd_kmalloc_strdup(name, GFP_KERNEL);
80	emu->voices = kcalloc(emu->max_voices, sizeof(snd_emux_voice_t), GFP_KERNEL);
81	if (emu->voices == NULL)
82	return -ENOMEM;
83
84	/* create soundfont list */
85	memset(&sf_cb, 0, sizeof(sf_cb));
86	sf_cb.private_data = emu;
87	sf_cb.sample_new = (snd_sf_sample_new_t)emu->ops.sample_new;
88	sf_cb.sample_free = (snd_sf_sample_free_t)emu->ops.sample_free;
89	sf_cb.sample_reset = (snd_sf_sample_reset_t)emu->ops.sample_reset;
90	emu->sflist = snd_sf_new(&sf_cb, emu->memhdr);
91	if (emu->sflist == NULL)
92	return -ENOMEM;
93
94	if ((err = snd_emux_init_hwdep(emu)) < 0)
95	return err;
96
97	snd_emux_init_voices(emu);
98
99	snd_emux_init_seq(emu, card, index);
100	#ifdef CONFIG_SND_SEQUENCER_OSS
101	snd_emux_init_seq_oss(emu);
102	#endif
103	snd_emux_init_virmidi(emu, card);
104
105	#ifdef CONFIG_PROC_FS
106	snd_emux_proc_init(emu, card, index);
107	#endif
108	return 0;
109	}
110
111
112	/*
113	*/
114	int snd_emux_free(snd_emux_t *emu)
115	{
116	unsigned long flags;
117
118	if (! emu)
119	return -EINVAL;
120
121	spin_lock_irqsave(&emu->voice_lock, flags);
122	if (emu->timer_active)
123	del_timer(&emu->tlist);
124	spin_unlock_irqrestore(&emu->voice_lock, flags);
125
126	#ifdef CONFIG_PROC_FS
127	snd_emux_proc_free(emu);
128	#endif
129	snd_emux_delete_virmidi(emu);
130	#ifdef CONFIG_SND_SEQUENCER_OSS
131	snd_emux_detach_seq_oss(emu);
132	#endif
133	snd_emux_detach_seq(emu);
134
135	snd_emux_delete_hwdep(emu);
136
137	if (emu->sflist)
138	snd_sf_free(emu->sflist);
139
140	kfree(emu->voices);
141	kfree(emu->name);
142	kfree(emu);
143	return 0;
144	}
145
146
147	EXPORT_SYMBOL(snd_emux_new);
148	EXPORT_SYMBOL(snd_emux_register);
149	EXPORT_SYMBOL(snd_emux_free);
150
151	EXPORT_SYMBOL(snd_emux_terminate_all);
152	EXPORT_SYMBOL(snd_emux_lock_voice);
153	EXPORT_SYMBOL(snd_emux_unlock_voice);
154
155	/* soundfont.c */
156	EXPORT_SYMBOL(snd_sf_linear_to_log);
157
158
159	/*
160	* INIT part
161	*/
162
163	static int __init alsa_emux_init(void)
164	{
165	return 0;
166	}
167
168	static void __exit alsa_emux_exit(void)
169	{
170	}
171
172	module_init(alsa_emux_init)
173	module_exit(alsa_emux_exit)