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1a59d1b8e0
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
117 lines
2.5 KiB
C
117 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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* and (c) 1999 Steve Ratcliffe <steve@parabola.demon.co.uk>
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* Copyright (C) 1999-2000 Takashi Iwai <tiwai@suse.de>
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*
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* Emu8000 synth plug-in routine
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*/
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#include "emu8000_local.h"
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#include <linux/init.h>
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#include <linux/module.h>
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#include <sound/initval.h>
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MODULE_AUTHOR("Takashi Iwai, Steve Ratcliffe");
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MODULE_DESCRIPTION("Emu8000 synth plug-in routine");
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MODULE_LICENSE("GPL");
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/*----------------------------------------------------------------*/
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/*
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* create a new hardware dependent device for Emu8000
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*/
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static int snd_emu8000_probe(struct device *_dev)
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{
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struct snd_seq_device *dev = to_seq_dev(_dev);
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struct snd_emu8000 *hw;
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struct snd_emux *emu;
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hw = *(struct snd_emu8000**)SNDRV_SEQ_DEVICE_ARGPTR(dev);
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if (hw == NULL)
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return -EINVAL;
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if (hw->emu)
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return -EBUSY; /* already exists..? */
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if (snd_emux_new(&emu) < 0)
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return -ENOMEM;
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hw->emu = emu;
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snd_emu8000_ops_setup(hw);
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emu->hw = hw;
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emu->max_voices = EMU8000_DRAM_VOICES;
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emu->num_ports = hw->seq_ports;
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if (hw->memhdr) {
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snd_printk(KERN_ERR "memhdr is already initialized!?\n");
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snd_util_memhdr_free(hw->memhdr);
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}
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hw->memhdr = snd_util_memhdr_new(hw->mem_size);
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if (hw->memhdr == NULL) {
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snd_emux_free(emu);
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hw->emu = NULL;
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return -ENOMEM;
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}
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emu->memhdr = hw->memhdr;
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emu->midi_ports = hw->seq_ports < 2 ? hw->seq_ports : 2; /* number of virmidi ports */
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emu->midi_devidx = 1;
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emu->linear_panning = 1;
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emu->hwdep_idx = 2; /* FIXED */
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if (snd_emux_register(emu, dev->card, hw->index, "Emu8000") < 0) {
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snd_emux_free(emu);
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snd_util_memhdr_free(hw->memhdr);
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hw->emu = NULL;
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hw->memhdr = NULL;
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return -ENOMEM;
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}
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if (hw->mem_size > 0)
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snd_emu8000_pcm_new(dev->card, hw, 1);
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dev->driver_data = hw;
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return 0;
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}
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/*
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* free all resources
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*/
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static int snd_emu8000_remove(struct device *_dev)
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{
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struct snd_seq_device *dev = to_seq_dev(_dev);
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struct snd_emu8000 *hw;
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if (dev->driver_data == NULL)
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return 0; /* no synth was allocated actually */
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hw = dev->driver_data;
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if (hw->pcm)
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snd_device_free(dev->card, hw->pcm);
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snd_emux_free(hw->emu);
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snd_util_memhdr_free(hw->memhdr);
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hw->emu = NULL;
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hw->memhdr = NULL;
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return 0;
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}
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/*
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* INIT part
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*/
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static struct snd_seq_driver emu8000_driver = {
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.driver = {
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.name = KBUILD_MODNAME,
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.probe = snd_emu8000_probe,
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.remove = snd_emu8000_remove,
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},
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.id = SNDRV_SEQ_DEV_ID_EMU8000,
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.argsize = sizeof(struct snd_emu8000 *),
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};
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module_snd_seq_driver(emu8000_driver);
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