forked from luck/tmp_suning_uos_patched
111 lines
3.6 KiB
C
111 lines
3.6 KiB
C
#ifndef __SOUND_SEQ_INSTR_H
|
|
#define __SOUND_SEQ_INSTR_H
|
|
|
|
/*
|
|
* Main kernel header file for the ALSA sequencer
|
|
* Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz>
|
|
*
|
|
*
|
|
* 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 "seq_kernel.h"
|
|
|
|
/* Instrument cluster */
|
|
struct snd_seq_kcluster {
|
|
snd_seq_instr_cluster_t cluster;
|
|
char name[32];
|
|
int priority;
|
|
struct snd_seq_kcluster *next;
|
|
};
|
|
|
|
/* return pointer to private data */
|
|
#define KINSTR_DATA(kinstr) (void *)(((char *)kinstr) + sizeof(struct snd_seq_kinstr))
|
|
|
|
/* Instrument structure */
|
|
struct snd_seq_kinstr {
|
|
struct snd_seq_instr instr;
|
|
char name[32];
|
|
int type; /* instrument type */
|
|
int use; /* use count */
|
|
int busy; /* not useable */
|
|
int add_len; /* additional length */
|
|
struct snd_seq_kinstr_ops *ops; /* operations */
|
|
struct snd_seq_kinstr *next;
|
|
};
|
|
|
|
#define SNDRV_SEQ_INSTR_HASH_SIZE 32
|
|
|
|
/* Instrument flags */
|
|
#define SNDRV_SEQ_INSTR_FLG_DIRECT (1<<0) /* accept only direct events */
|
|
|
|
/* List of all instruments */
|
|
struct snd_seq_kinstr_list {
|
|
struct snd_seq_kinstr *hash[SNDRV_SEQ_INSTR_HASH_SIZE];
|
|
int count; /* count of all instruments */
|
|
|
|
struct snd_seq_kcluster *chash[SNDRV_SEQ_INSTR_HASH_SIZE];
|
|
int ccount; /* count of all clusters */
|
|
|
|
int owner; /* current owner of the instrument list */
|
|
unsigned int flags;
|
|
|
|
spinlock_t lock;
|
|
spinlock_t ops_lock;
|
|
struct mutex ops_mutex;
|
|
unsigned long ops_flags;
|
|
};
|
|
|
|
#define SNDRV_SEQ_INSTR_NOTIFY_REMOVE 0
|
|
#define SNDRV_SEQ_INSTR_NOTIFY_CHANGE 1
|
|
|
|
struct snd_seq_kinstr_ops {
|
|
void *private_data;
|
|
long add_len; /* additional length */
|
|
char *instr_type;
|
|
int (*info)(void *private_data, char *info_data, long len);
|
|
int (*put)(void *private_data, struct snd_seq_kinstr *kinstr,
|
|
char __user *instr_data, long len, int atomic, int cmd);
|
|
int (*get)(void *private_data, struct snd_seq_kinstr *kinstr,
|
|
char __user *instr_data, long len, int atomic, int cmd);
|
|
int (*get_size)(void *private_data, struct snd_seq_kinstr *kinstr, long *size);
|
|
int (*remove)(void *private_data, struct snd_seq_kinstr *kinstr, int atomic);
|
|
void (*notify)(void *private_data, struct snd_seq_kinstr *kinstr, int what);
|
|
struct snd_seq_kinstr_ops *next;
|
|
};
|
|
|
|
|
|
/* instrument operations */
|
|
struct snd_seq_kinstr_list *snd_seq_instr_list_new(void);
|
|
void snd_seq_instr_list_free(struct snd_seq_kinstr_list **list);
|
|
int snd_seq_instr_list_free_cond(struct snd_seq_kinstr_list *list,
|
|
struct snd_seq_instr_header *ifree,
|
|
int client,
|
|
int atomic);
|
|
struct snd_seq_kinstr *snd_seq_instr_find(struct snd_seq_kinstr_list *list,
|
|
struct snd_seq_instr *instr,
|
|
int exact,
|
|
int follow_alias);
|
|
void snd_seq_instr_free_use(struct snd_seq_kinstr_list *list,
|
|
struct snd_seq_kinstr *instr);
|
|
int snd_seq_instr_event(struct snd_seq_kinstr_ops *ops,
|
|
struct snd_seq_kinstr_list *list,
|
|
struct snd_seq_event *ev,
|
|
int client,
|
|
int atomic,
|
|
int hop);
|
|
|
|
#endif /* __SOUND_SEQ_INSTR_H */
|