[mirror_ubuntu-bionic-kernel.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 <linux/module.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_probe(struct device *_dev)
{
	struct snd_seq_device *dev = to_seq_dev(_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_remove(struct device *_dev)
{
	struct snd_seq_device *dev = to_seq_dev(_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);
	snd_emux_free(hw->emu);
	snd_util_memhdr_free(hw->memhdr);
	hw->emu = NULL;
	hw->memhdr = NULL;
	return 0;
}

/*
 *  INIT part
 */

static struct snd_seq_driver emu8000_driver = {
	.driver = {
		.name = KBUILD_MODNAME,
		.probe = snd_emu8000_probe,
		.remove = snd_emu8000_remove,
	},
	.id = SNDRV_SEQ_DEV_ID_EMU8000,
	.argsize = sizeof(struct snd_emu8000 *),
};

module_snd_seq_driver(emu8000_driver);
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>
da155d5b	25	#include <linux/module.h>
1da177e4 LT	26	#include <sound/initval.h>
	27
	28	MODULE_AUTHOR("Takashi Iwai, Steve Ratcliffe");
	29	MODULE_DESCRIPTION("Emu8000 synth plug-in routine");
	30	MODULE_LICENSE("GPL");
	31
	32	/----------------------------------------------------------------/
	33
	34	/*
	35	* create a new hardware dependent device for Emu8000
	36	*/
05662205	37	static int snd_emu8000_probe(struct device *_dev)
1da177e4	38	{
05662205	39	struct snd_seq_device *dev = to_seq_dev(_dev);
029d64b0 TI	40	struct snd_emu8000 *hw;
029d64b0 TI	41	struct snd_emux *emu;
1da177e4	42
029d64b0	43	hw = (struct snd_emu8000*)SNDRV_SEQ_DEVICE_ARGPTR(dev);
1da177e4 LT	44	if (hw == NULL)
	45	return -EINVAL;
	46
	47	if (hw->emu)
	48	return -EBUSY; /* already exists..? */
	49
	50	if (snd_emux_new(&emu) < 0)
	51	return -ENOMEM;
	52
	53	hw->emu = emu;
	54	snd_emu8000_ops_setup(hw);
	55
	56	emu->hw = hw;
	57	emu->max_voices = EMU8000_DRAM_VOICES;
	58	emu->num_ports = hw->seq_ports;
	59
	60	if (hw->memhdr) {
99b359ba	61	snd_printk(KERN_ERR "memhdr is already initialized!?\n");
1da177e4 LT	62	snd_util_memhdr_free(hw->memhdr);
	63	}
	64	hw->memhdr = snd_util_memhdr_new(hw->mem_size);
	65	if (hw->memhdr == NULL) {
	66	snd_emux_free(emu);
	67	hw->emu = NULL;
	68	return -ENOMEM;
	69	}
	70
	71	emu->memhdr = hw->memhdr;
	72	emu->midi_ports = hw->seq_ports < 2 ? hw->seq_ports : 2; /* number of virmidi ports */
	73	emu->midi_devidx = 1;
	74	emu->linear_panning = 1;
	75	emu->hwdep_idx = 2; /* FIXED */
	76
	77	if (snd_emux_register(emu, dev->card, hw->index, "Emu8000") < 0) {
	78	snd_emux_free(emu);
	79	snd_util_memhdr_free(hw->memhdr);
	80	hw->emu = NULL;
	81	hw->memhdr = NULL;
	82	return -ENOMEM;
	83	}
	84
	85	if (hw->mem_size > 0)
	86	snd_emu8000_pcm_new(dev->card, hw, 1);
	87
	88	dev->driver_data = hw;
	89
	90	return 0;
	91	}
	92
	93
	94	/*
	95	* free all resources
	96	*/
05662205	97	static int snd_emu8000_remove(struct device *_dev)
1da177e4	98	{
05662205	99	struct snd_seq_device *dev = to_seq_dev(_dev);
029d64b0	100	struct snd_emu8000 *hw;
1da177e4 LT	101
	102	if (dev->driver_data == NULL)
	103	return 0; /* no synth was allocated actually */
	104
	105	hw = dev->driver_data;
	106	if (hw->pcm)
	107	snd_device_free(dev->card, hw->pcm);
b76c0e95	108	snd_emux_free(hw->emu);
966b7bc9	109	snd_util_memhdr_free(hw->memhdr);
1da177e4 LT	110	hw->emu = NULL;
	111	hw->memhdr = NULL;
	112	return 0;
	113	}
	114
	115	/*
	116	* INIT part
	117	*/
	118
05662205 TI	119	static struct snd_seq_driver emu8000_driver = {
	120	.driver = {
	121	.name = KBUILD_MODNAME,
	122	.probe = snd_emu8000_probe,
	123	.remove = snd_emu8000_remove,
	124	},
	125	.id = SNDRV_SEQ_DEV_ID_EMU8000,
	126	.argsize = sizeof(struct snd_emu8000 *),
	127	};
	128
	129	module_snd_seq_driver(emu8000_driver);