[net-next-2.6.git] / sound / isa / sb / emu8000_synth.c

/*
 *  Copyright (c) by Jaroslav Kysela <perex@perex.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(struct snd_seq_device *dev)
{
	struct snd_emu8000 *hw;
	struct snd_emux *emu;

	hw = *(struct snd_emu8000**)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(KERN_ERR "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(struct snd_seq_device *dev)
{
	struct snd_emu8000 *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 struct snd_seq_dev_ops ops = {
		snd_emu8000_new_device,
		snd_emu8000_delete_device,
	};
	return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_EMU8000, &ops,
					      sizeof(struct snd_emu8000*));
}

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)
Commit	Line	Data
1da177e4	1	/*
c1017a4c	2	* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4 LT	3	* and (c) 1999 Steve Ratcliffe <steve@parabola.demon.co.uk>
	4	* Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de>
	5	*
	6	* Emu8000 synth plug-in routine
	7	*
	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.
	12	*
	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.
	17	*
	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
	21	*/
	22
	23	#include "emu8000_local.h"
	24	#include <linux/init.h>
	25	#include <sound/initval.h>
	26
	27	MODULE_AUTHOR("Takashi Iwai, Steve Ratcliffe");
	28	MODULE_DESCRIPTION("Emu8000 synth plug-in routine");
	29	MODULE_LICENSE("GPL");
	30
	31	/----------------------------------------------------------------/
	32
	33	/*
	34	* create a new hardware dependent device for Emu8000
	35	*/
029d64b0	36	static int snd_emu8000_new_device(struct snd_seq_device *dev)
1da177e4	37	{
029d64b0 TI	38	struct snd_emu8000 *hw;
029d64b0 TI	39	struct snd_emux *emu;
1da177e4	40
029d64b0	41	hw = (struct snd_emu8000*)SNDRV_SEQ_DEVICE_ARGPTR(dev);
1da177e4 LT	42	if (hw == NULL)
	43	return -EINVAL;
	44
	45	if (hw->emu)
	46	return -EBUSY; /* already exists..? */
	47
	48	if (snd_emux_new(&emu) < 0)
	49	return -ENOMEM;
	50
	51	hw->emu = emu;
	52	snd_emu8000_ops_setup(hw);
	53
	54	emu->hw = hw;
	55	emu->max_voices = EMU8000_DRAM_VOICES;
	56	emu->num_ports = hw->seq_ports;
	57
	58	if (hw->memhdr) {
99b359ba	59	snd_printk(KERN_ERR "memhdr is already initialized!?\n");
1da177e4 LT	60	snd_util_memhdr_free(hw->memhdr);
	61	}
	62	hw->memhdr = snd_util_memhdr_new(hw->mem_size);
	63	if (hw->memhdr == NULL) {
	64	snd_emux_free(emu);
	65	hw->emu = NULL;
	66	return -ENOMEM;
	67	}
	68
	69	emu->memhdr = hw->memhdr;
	70	emu->midi_ports = hw->seq_ports < 2 ? hw->seq_ports : 2; /* number of virmidi ports */
	71	emu->midi_devidx = 1;
	72	emu->linear_panning = 1;
	73	emu->hwdep_idx = 2; /* FIXED */
	74
	75	if (snd_emux_register(emu, dev->card, hw->index, "Emu8000") < 0) {
	76	snd_emux_free(emu);
	77	snd_util_memhdr_free(hw->memhdr);
	78	hw->emu = NULL;
	79	hw->memhdr = NULL;
	80	return -ENOMEM;
	81	}
	82
	83	if (hw->mem_size > 0)
	84	snd_emu8000_pcm_new(dev->card, hw, 1);
	85
	86	dev->driver_data = hw;
	87
	88	return 0;
	89	}
	90
	91
	92	/*
	93	* free all resources
	94	*/
029d64b0	95	static int snd_emu8000_delete_device(struct snd_seq_device *dev)
1da177e4	96	{
029d64b0	97	struct snd_emu8000 *hw;
1da177e4 LT	98
	99	if (dev->driver_data == NULL)
	100	return 0; /* no synth was allocated actually */
	101
	102	hw = dev->driver_data;
	103	if (hw->pcm)
	104	snd_device_free(dev->card, hw->pcm);
	105	if (hw->emu)
	106	snd_emux_free(hw->emu);
	107	if (hw->memhdr)
	108	snd_util_memhdr_free(hw->memhdr);
	109	hw->emu = NULL;
	110	hw->memhdr = NULL;
	111	return 0;
	112	}
	113
	114	/*
	115	* INIT part
	116	*/
	117
	118	static int __init alsa_emu8000_init(void)
	119	{
	120
029d64b0	121	static struct snd_seq_dev_ops ops = {
1da177e4 LT	122	snd_emu8000_new_device,
	123	snd_emu8000_delete_device,
	124	};
029d64b0 TI	125	return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_EMU8000, &ops,
029d64b0 TI	126	sizeof(struct snd_emu8000*));
1da177e4 LT	127	}
	128
	129	static void __exit alsa_emu8000_exit(void)
	130	{
	131	snd_seq_device_unregister_driver(SNDRV_SEQ_DEV_ID_EMU8000);
	132	}
	133
	134	module_init(alsa_emu8000_init)
	135	module_exit(alsa_emu8000_exit)