cregit-Linux how code gets into the kernel

Release 4.8 sound/synth/emux/emux.c

Directory: sound/synth/emux
/*
 *  Copyright (C) 2000 Takashi Iwai <tiwai@suse.de>
 *
 *  Routines for control of EMU WaveTable chip
 *
 *   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 <linux/wait.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <sound/core.h>
#include <sound/emux_synth.h>
#include <linux/init.h>
#include <linux/module.h>
#include "emux_voice.h"

MODULE_AUTHOR("Takashi Iwai");
MODULE_DESCRIPTION("Routines for control of EMU WaveTable chip");
MODULE_LICENSE("GPL");

/*
 * create a new hardware dependent device for Emu8000/Emu10k1
 */

int snd_emux_new(struct snd_emux **remu) { struct snd_emux *emu; *remu = NULL; emu = kzalloc(sizeof(*emu), GFP_KERNEL); if (emu == NULL) return -ENOMEM; spin_lock_init(&emu->voice_lock); mutex_init(&emu->register_mutex); emu->client = -1; #ifdef CONFIG_SND_SEQUENCER_OSS emu->oss_synth = NULL; #endif emu->max_voices = 0; emu->use_time = 0; setup_timer(&emu->tlist, snd_emux_timer_callback, (unsigned long)emu); emu->timer_active = 0; *remu = emu; return 0; }

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jaroslav kyselajaroslav kysela10587.50%337.50%
takashi iwaitakashi iwai97.50%337.50%
andrew mortonandrew morton54.17%112.50%
ingo molnaringo molnar10.83%112.50%
Total120100.00%8100.00%

EXPORT_SYMBOL(snd_emux_new); /* */
static int sf_sample_new(void *private_data, struct snd_sf_sample *sp, struct snd_util_memhdr *hdr, const void __user *buf, long count) { struct snd_emux *emu = private_data; return emu->ops.sample_new(emu, sp, hdr, buf, count); }

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takashi iwaitakashi iwai54100.00%2100.00%
Total54100.00%2100.00%


static int sf_sample_free(void *private_data, struct snd_sf_sample *sp, struct snd_util_memhdr *hdr) { struct snd_emux *emu = private_data; return emu->ops.sample_free(emu, sp, hdr); }

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takashi iwaitakashi iwai41100.00%2100.00%
Total41100.00%2100.00%


static void sf_sample_reset(void *private_data) { struct snd_emux *emu = private_data; emu->ops.sample_reset(emu); }

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takashi iwaitakashi iwai26100.00%2100.00%
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int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, char *name) { int err; struct snd_sf_callback sf_cb; if (snd_BUG_ON(!emu->hw || emu->max_voices <= 0)) return -EINVAL; if (snd_BUG_ON(!card || !name)) return -EINVAL; emu->card = card; emu->name = kstrdup(name, GFP_KERNEL); emu->voices = kcalloc(emu->max_voices, sizeof(struct snd_emux_voice), GFP_KERNEL); if (emu->voices == NULL) return -ENOMEM; /* create soundfont list */ memset(&sf_cb, 0, sizeof(sf_cb)); sf_cb.private_data = emu; if (emu->ops.sample_new) sf_cb.sample_new = sf_sample_new; if (emu->ops.sample_free) sf_cb.sample_free = sf_sample_free; if (emu->ops.sample_reset) sf_cb.sample_reset = sf_sample_reset; emu->sflist = snd_sf_new(&sf_cb, emu->memhdr); if (emu->sflist == NULL) return -ENOMEM; if ((err = snd_emux_init_hwdep(emu)) < 0) return err; snd_emux_init_voices(emu); snd_emux_init_seq(emu, card, index); #ifdef CONFIG_SND_SEQUENCER_OSS snd_emux_init_seq_oss(emu); #endif snd_emux_init_virmidi(emu, card); snd_emux_proc_init(emu, card, index); return 0; }

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jaroslav kyselajaroslav kysela20077.22%450.00%
takashi iwaitakashi iwai5822.39%337.50%
paulo marquespaulo marques10.39%112.50%
Total259100.00%8100.00%

EXPORT_SYMBOL(snd_emux_register); /* */
int snd_emux_free(struct snd_emux *emu) { unsigned long flags; if (! emu) return -EINVAL; spin_lock_irqsave(&emu->voice_lock, flags); if (emu->timer_active) del_timer(&emu->tlist); spin_unlock_irqrestore(&emu->voice_lock, flags); snd_emux_proc_free(emu); snd_emux_delete_virmidi(emu); #ifdef CONFIG_SND_SEQUENCER_OSS snd_emux_detach_seq_oss(emu); #endif snd_emux_detach_seq(emu); snd_emux_delete_hwdep(emu); snd_sf_free(emu->sflist); kfree(emu->voices); kfree(emu->name); kfree(emu); return 0; }

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jaroslav kyselajaroslav kysela11498.28%480.00%
takashi iwaitakashi iwai21.72%120.00%
Total116100.00%5100.00%

EXPORT_SYMBOL(snd_emux_free); /* * INIT part */
static int __init alsa_emux_init(void) { return 0; }

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static void __exit alsa_emux_exit(void) { }

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jaroslav kyselajaroslav kysela8100.00%1100.00%
Total8100.00%1100.00%

module_init(alsa_emux_init) module_exit(alsa_emux_exit)

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jaroslav kyselajaroslav kysela49069.70%637.50%
takashi iwaitakashi iwai20028.45%637.50%
andrew mortonandrew morton50.71%16.25%
paulo marquespaulo marques40.57%16.25%
paul gortmakerpaul gortmaker30.43%16.25%
ingo molnaringo molnar10.14%16.25%
Total703100.00%16100.00%
Directory: sound/synth/emux
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