[mirror_ubuntu-bionic-kernel.git] / sound / pci / emu10k1 / emu10k1_synth.c

/*
 *  Copyright (C) 2000 Takashi Iwai <tiwai@suse.de>
 *
 *  Routines for control of EMU10K1 WaveTable synth
 *
 *   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 "emu10k1_synth_local.h"
#include <linux/init.h>
#include <linux/module.h>

MODULE_AUTHOR("Takashi Iwai");
MODULE_DESCRIPTION("Routines for control of EMU10K1 WaveTable synth");
MODULE_LICENSE("GPL");

/*
 * create a new hardware dependent device for Emu10k1
 */
static int snd_emu10k1_synth_probe(struct device *_dev)
{
	struct snd_seq_device *dev = to_seq_dev(_dev);
	struct snd_emux *emux;
	struct snd_emu10k1 *hw;
	struct snd_emu10k1_synth_arg *arg;
	unsigned long flags;

	arg = SNDRV_SEQ_DEVICE_ARGPTR(dev);
	if (arg == NULL)
		return -EINVAL;

	if (arg->seq_ports <= 0)
		return 0; /* nothing */
	if (arg->max_voices < 1)
		arg->max_voices = 1;
	else if (arg->max_voices > 64)
		arg->max_voices = 64;

	if (snd_emux_new(&emux) < 0)
		return -ENOMEM;

	snd_emu10k1_ops_setup(emux);
	hw = arg->hwptr;
	emux->hw = hw;
	emux->max_voices = arg->max_voices;
	emux->num_ports = arg->seq_ports;
	emux->pitch_shift = -501;
	emux->memhdr = hw->memhdr;
	/* maximum two ports */
	emux->midi_ports = arg->seq_ports < 2 ? arg->seq_ports : 2;
	/* audigy has two external midis */
	emux->midi_devidx = hw->audigy ? 2 : 1;
	emux->linear_panning = 0;
	emux->hwdep_idx = 2; /* FIXED */

	if (snd_emux_register(emux, dev->card, arg->index, "Emu10k1") < 0) {
		snd_emux_free(emux);
		return -ENOMEM;
	}

	spin_lock_irqsave(&hw->voice_lock, flags);
	hw->synth = emux;
	hw->get_synth_voice = snd_emu10k1_synth_get_voice;
	spin_unlock_irqrestore(&hw->voice_lock, flags);

	dev->driver_data = emux;

	return 0;
}

static int snd_emu10k1_synth_remove(struct device *_dev)
{
	struct snd_seq_device *dev = to_seq_dev(_dev);
	struct snd_emux *emux;
	struct snd_emu10k1 *hw;
	unsigned long flags;

	if (dev->driver_data == NULL)
		return 0; /* not registered actually */

	emux = dev->driver_data;

	hw = emux->hw;
	spin_lock_irqsave(&hw->voice_lock, flags);
	hw->synth = NULL;
	hw->get_synth_voice = NULL;
	spin_unlock_irqrestore(&hw->voice_lock, flags);

	snd_emux_free(emux);
	return 0;
}

/*
 *  INIT part
 */

static struct snd_seq_driver emu10k1_synth_driver = {
	.driver = {
		.name = KBUILD_MODNAME,
		.probe = snd_emu10k1_synth_probe,
		.remove = snd_emu10k1_synth_remove,
	},
	.id = SNDRV_SEQ_DEV_ID_EMU10K1_SYNTH,
	.argsize = sizeof(struct snd_emu10k1_synth_arg),
};

module_snd_seq_driver(emu10k1_synth_driver);
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright (C) 2000 Takashi Iwai <tiwai@suse.de>
	3	*
	4	* Routines for control of EMU10K1 WaveTable synth
	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 "emu10k1_synth_local.h"
	22	#include <linux/init.h>
da155d5b	23	#include <linux/module.h>
1da177e4 LT	24
	25	MODULE_AUTHOR("Takashi Iwai");
	26	MODULE_DESCRIPTION("Routines for control of EMU10K1 WaveTable synth");
	27	MODULE_LICENSE("GPL");
	28
	29	/*
	30	* create a new hardware dependent device for Emu10k1
	31	*/
05662205	32	static int snd_emu10k1_synth_probe(struct device *_dev)
1da177e4	33	{
05662205	34	struct snd_seq_device *dev = to_seq_dev(_dev);
c94fa4c9	35	struct snd_emux *emux;
eb4698f3 TI	36	struct snd_emu10k1 *hw;
eb4698f3 TI	37	struct snd_emu10k1_synth_arg *arg;
1da177e4 LT	38	unsigned long flags;
	39
	40	arg = SNDRV_SEQ_DEVICE_ARGPTR(dev);
	41	if (arg == NULL)
	42	return -EINVAL;
	43
	44	if (arg->seq_ports <= 0)
	45	return 0; /* nothing */
	46	if (arg->max_voices < 1)
	47	arg->max_voices = 1;
	48	else if (arg->max_voices > 64)
	49	arg->max_voices = 64;
	50
c94fa4c9	51	if (snd_emux_new(&emux) < 0)
1da177e4 LT	52	return -ENOMEM;
1da177e4 LT	53
c94fa4c9 JCD	54	snd_emu10k1_ops_setup(emux);
	55	hw = arg->hwptr;
	56	emux->hw = hw;
	57	emux->max_voices = arg->max_voices;
	58	emux->num_ports = arg->seq_ports;
	59	emux->pitch_shift = -501;
	60	emux->memhdr = hw->memhdr;
	61	/* maximum two ports */
	62	emux->midi_ports = arg->seq_ports < 2 ? arg->seq_ports : 2;
	63	/* audigy has two external midis */
	64	emux->midi_devidx = hw->audigy ? 2 : 1;
	65	emux->linear_panning = 0;
	66	emux->hwdep_idx = 2; /* FIXED */
	67
	68	if (snd_emux_register(emux, dev->card, arg->index, "Emu10k1") < 0) {
	69	snd_emux_free(emux);
1da177e4 LT	70	return -ENOMEM;
	71	}
	72
	73	spin_lock_irqsave(&hw->voice_lock, flags);
c94fa4c9	74	hw->synth = emux;
1da177e4 LT	75	hw->get_synth_voice = snd_emu10k1_synth_get_voice;
	76	spin_unlock_irqrestore(&hw->voice_lock, flags);
	77
c94fa4c9	78	dev->driver_data = emux;
1da177e4 LT	79
	80	return 0;
	81	}
	82
05662205	83	static int snd_emu10k1_synth_remove(struct device *_dev)
1da177e4	84	{
05662205	85	struct snd_seq_device *dev = to_seq_dev(_dev);
c94fa4c9	86	struct snd_emux *emux;
eb4698f3	87	struct snd_emu10k1 *hw;
1da177e4 LT	88	unsigned long flags;
	89
	90	if (dev->driver_data == NULL)
	91	return 0; /* not registered actually */
	92
c94fa4c9	93	emux = dev->driver_data;
1da177e4	94
c94fa4c9	95	hw = emux->hw;
1da177e4 LT	96	spin_lock_irqsave(&hw->voice_lock, flags);
	97	hw->synth = NULL;
	98	hw->get_synth_voice = NULL;
	99	spin_unlock_irqrestore(&hw->voice_lock, flags);
	100
c94fa4c9	101	snd_emux_free(emux);
1da177e4 LT	102	return 0;
	103	}
	104
	105	/*
	106	* INIT part
	107	*/
	108
05662205 TI	109	static struct snd_seq_driver emu10k1_synth_driver = {
	110	.driver = {
	111	.name = KBUILD_MODNAME,
	112	.probe = snd_emu10k1_synth_probe,
	113	.remove = snd_emu10k1_synth_remove,
	114	},
	115	.id = SNDRV_SEQ_DEV_ID_EMU10K1_SYNTH,
	116	.argsize = sizeof(struct snd_emu10k1_synth_arg),
	117	};
	118
	119	module_snd_seq_driver(emu10k1_synth_driver);