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1a60d4c5a0
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
111 lines
3.6 KiB
C
111 lines
3.6 KiB
C
#ifndef __SOUND_SEQ_INSTR_H
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#define __SOUND_SEQ_INSTR_H
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/*
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* Main kernel header file for the ALSA sequencer
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* Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "seq_kernel.h"
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/* Instrument cluster */
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struct snd_seq_kcluster {
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snd_seq_instr_cluster_t cluster;
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char name[32];
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int priority;
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struct snd_seq_kcluster *next;
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};
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/* return pointer to private data */
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#define KINSTR_DATA(kinstr) (void *)(((char *)kinstr) + sizeof(struct snd_seq_kinstr))
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/* Instrument structure */
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struct snd_seq_kinstr {
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struct snd_seq_instr instr;
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char name[32];
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int type; /* instrument type */
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int use; /* use count */
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int busy; /* not useable */
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int add_len; /* additional length */
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struct snd_seq_kinstr_ops *ops; /* operations */
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struct snd_seq_kinstr *next;
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};
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#define SNDRV_SEQ_INSTR_HASH_SIZE 32
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/* Instrument flags */
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#define SNDRV_SEQ_INSTR_FLG_DIRECT (1<<0) /* accept only direct events */
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/* List of all instruments */
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struct snd_seq_kinstr_list {
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struct snd_seq_kinstr *hash[SNDRV_SEQ_INSTR_HASH_SIZE];
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int count; /* count of all instruments */
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struct snd_seq_kcluster *chash[SNDRV_SEQ_INSTR_HASH_SIZE];
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int ccount; /* count of all clusters */
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int owner; /* current owner of the instrument list */
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unsigned int flags;
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spinlock_t lock;
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spinlock_t ops_lock;
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struct mutex ops_mutex;
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unsigned long ops_flags;
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};
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#define SNDRV_SEQ_INSTR_NOTIFY_REMOVE 0
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#define SNDRV_SEQ_INSTR_NOTIFY_CHANGE 1
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struct snd_seq_kinstr_ops {
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void *private_data;
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long add_len; /* additional length */
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char *instr_type;
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int (*info)(void *private_data, char *info_data, long len);
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int (*put)(void *private_data, struct snd_seq_kinstr *kinstr,
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char __user *instr_data, long len, int atomic, int cmd);
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int (*get)(void *private_data, struct snd_seq_kinstr *kinstr,
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char __user *instr_data, long len, int atomic, int cmd);
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int (*get_size)(void *private_data, struct snd_seq_kinstr *kinstr, long *size);
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int (*remove)(void *private_data, struct snd_seq_kinstr *kinstr, int atomic);
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void (*notify)(void *private_data, struct snd_seq_kinstr *kinstr, int what);
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struct snd_seq_kinstr_ops *next;
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};
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/* instrument operations */
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struct snd_seq_kinstr_list *snd_seq_instr_list_new(void);
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void snd_seq_instr_list_free(struct snd_seq_kinstr_list **list);
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int snd_seq_instr_list_free_cond(struct snd_seq_kinstr_list *list,
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struct snd_seq_instr_header *ifree,
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int client,
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int atomic);
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struct snd_seq_kinstr *snd_seq_instr_find(struct snd_seq_kinstr_list *list,
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struct snd_seq_instr *instr,
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int exact,
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int follow_alias);
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void snd_seq_instr_free_use(struct snd_seq_kinstr_list *list,
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struct snd_seq_kinstr *instr);
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int snd_seq_instr_event(struct snd_seq_kinstr_ops *ops,
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struct snd_seq_kinstr_list *list,
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struct snd_seq_event *ev,
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int client,
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int atomic,
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int hop);
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#endif /* __SOUND_SEQ_INSTR_H */
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