diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/drivers/opl4/opl4_seq.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/drivers/opl4/opl4_seq.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/ANDROID_3.4.5/sound/drivers/opl4/opl4_seq.c b/ANDROID_3.4.5/sound/drivers/opl4/opl4_seq.c deleted file mode 100644 index 99197699..00000000 --- a/ANDROID_3.4.5/sound/drivers/opl4/opl4_seq.c +++ /dev/null @@ -1,215 +0,0 @@ -/* - * OPL4 sequencer functions - * - * Copyright (c) 2003 by Clemens Ladisch <clemens@ladisch.de> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * Alternatively, this software may be distributed and/or modified 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 SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR - * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "opl4_local.h" -#include <linux/init.h> -#include <linux/moduleparam.h> -#include <linux/module.h> -#include <sound/initval.h> - -MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); -MODULE_DESCRIPTION("OPL4 wavetable synth driver"); -MODULE_LICENSE("Dual BSD/GPL"); - -int volume_boost = 8; - -module_param(volume_boost, int, 0644); -MODULE_PARM_DESC(volume_boost, "Additional volume for OPL4 wavetable sounds."); - -static int snd_opl4_seq_use_inc(struct snd_opl4 *opl4) -{ - if (!try_module_get(opl4->card->module)) - return -EFAULT; - return 0; -} - -static void snd_opl4_seq_use_dec(struct snd_opl4 *opl4) -{ - module_put(opl4->card->module); -} - -static int snd_opl4_seq_use(void *private_data, struct snd_seq_port_subscribe *info) -{ - struct snd_opl4 *opl4 = private_data; - int err; - - mutex_lock(&opl4->access_mutex); - - if (opl4->used) { - mutex_unlock(&opl4->access_mutex); - return -EBUSY; - } - opl4->used++; - - if (info->sender.client != SNDRV_SEQ_CLIENT_SYSTEM) { - err = snd_opl4_seq_use_inc(opl4); - if (err < 0) { - mutex_unlock(&opl4->access_mutex); - return err; - } - } - - mutex_unlock(&opl4->access_mutex); - - snd_opl4_synth_reset(opl4); - return 0; -} - -static int snd_opl4_seq_unuse(void *private_data, struct snd_seq_port_subscribe *info) -{ - struct snd_opl4 *opl4 = private_data; - - snd_opl4_synth_shutdown(opl4); - - mutex_lock(&opl4->access_mutex); - opl4->used--; - mutex_unlock(&opl4->access_mutex); - - if (info->sender.client != SNDRV_SEQ_CLIENT_SYSTEM) - snd_opl4_seq_use_dec(opl4); - return 0; -} - -static struct snd_midi_op opl4_ops = { - .note_on = snd_opl4_note_on, - .note_off = snd_opl4_note_off, - .note_terminate = snd_opl4_terminate_note, - .control = snd_opl4_control, - .sysex = snd_opl4_sysex, -}; - -static int snd_opl4_seq_event_input(struct snd_seq_event *ev, int direct, - void *private_data, int atomic, int hop) -{ - struct snd_opl4 *opl4 = private_data; - - snd_midi_process_event(&opl4_ops, ev, opl4->chset); - return 0; -} - -static void snd_opl4_seq_free_port(void *private_data) -{ - struct snd_opl4 *opl4 = private_data; - - snd_midi_channel_free_set(opl4->chset); -} - -static int snd_opl4_seq_new_device(struct snd_seq_device *dev) -{ - struct snd_opl4 *opl4; - int client; - struct snd_seq_port_callback pcallbacks; - - opl4 = *(struct snd_opl4 **)SNDRV_SEQ_DEVICE_ARGPTR(dev); - if (!opl4) - return -EINVAL; - - if (snd_yrw801_detect(opl4) < 0) - return -ENODEV; - - opl4->chset = snd_midi_channel_alloc_set(16); - if (!opl4->chset) - return -ENOMEM; - opl4->chset->private_data = opl4; - - /* allocate new client */ - client = snd_seq_create_kernel_client(opl4->card, opl4->seq_dev_num, - "OPL4 Wavetable"); - if (client < 0) { - snd_midi_channel_free_set(opl4->chset); - return client; - } - opl4->seq_client = client; - opl4->chset->client = client; - - /* create new port */ - memset(&pcallbacks, 0, sizeof(pcallbacks)); - pcallbacks.owner = THIS_MODULE; - pcallbacks.use = snd_opl4_seq_use; - pcallbacks.unuse = snd_opl4_seq_unuse; - pcallbacks.event_input = snd_opl4_seq_event_input; - pcallbacks.private_free = snd_opl4_seq_free_port; - pcallbacks.private_data = opl4; - - opl4->chset->port = snd_seq_event_port_attach(client, &pcallbacks, - SNDRV_SEQ_PORT_CAP_WRITE | - SNDRV_SEQ_PORT_CAP_SUBS_WRITE, - SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC | - SNDRV_SEQ_PORT_TYPE_MIDI_GM | - SNDRV_SEQ_PORT_TYPE_HARDWARE | - SNDRV_SEQ_PORT_TYPE_SYNTHESIZER, - 16, 24, - "OPL4 Wavetable Port"); - if (opl4->chset->port < 0) { - int err = opl4->chset->port; - snd_midi_channel_free_set(opl4->chset); - snd_seq_delete_kernel_client(client); - opl4->seq_client = -1; - return err; - } - return 0; -} - -static int snd_opl4_seq_delete_device(struct snd_seq_device *dev) -{ - struct snd_opl4 *opl4; - - opl4 = *(struct snd_opl4 **)SNDRV_SEQ_DEVICE_ARGPTR(dev); - if (!opl4) - return -EINVAL; - - if (opl4->seq_client >= 0) { - snd_seq_delete_kernel_client(opl4->seq_client); - opl4->seq_client = -1; - } - return 0; -} - -static int __init alsa_opl4_synth_init(void) -{ - static struct snd_seq_dev_ops ops = { - snd_opl4_seq_new_device, - snd_opl4_seq_delete_device - }; - - return snd_seq_device_register_driver(SNDRV_SEQ_DEV_ID_OPL4, &ops, - sizeof(struct snd_opl4 *)); -} - -static void __exit alsa_opl4_synth_exit(void) -{ - snd_seq_device_unregister_driver(SNDRV_SEQ_DEV_ID_OPL4); -} - -module_init(alsa_opl4_synth_init) -module_exit(alsa_opl4_synth_exit) |