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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* 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
*/
#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);
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