1 files changed, 112 insertions, 0 deletions

diff --git a/include/sound/seq_instr.h b/include/sound/seq_instr.h
new file mode 100644
index 000000000000..1a654df4aa97
--- /dev/null
+++ b/include/sound/seq_instr.h
@@ -0,0 +1,112 @@
+#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@suse.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 */
+typedef struct _snd_seq_kcluster {
+        snd_seq_instr_cluster_t cluster;
+        char name[32];
+        int priority;
+        struct _snd_seq_kcluster *next;
+} snd_seq_kcluster_t;
+
+/* return pointer to private data */
+#define KINSTR_DATA(kinstr)     (void *)(((char *)kinstr) + sizeof(snd_seq_kinstr_t))
+
+typedef struct snd_seq_kinstr_ops snd_seq_kinstr_ops_t;
+
+/* Instrument structure */
+typedef struct _snd_seq_kinstr {
+        snd_seq_instr_t instr;
+        char name[32];
+        int type;                       /* instrument type */
+        int use;                        /* use count */
+        int busy;                       /* not useable */
+        int add_len;                    /* additional length */
+        snd_seq_kinstr_ops_t *ops;      /* operations */
+        struct _snd_seq_kinstr *next;
+} snd_seq_kinstr_t;
+
+#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 */
+typedef struct {
+        snd_seq_kinstr_t *hash[SNDRV_SEQ_INSTR_HASH_SIZE];
+        int count;                      /* count of all instruments */
+        
+        snd_seq_kcluster_t *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 semaphore ops_mutex;
+        unsigned long ops_flags;
+} snd_seq_kinstr_list_t;
+
+#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, snd_seq_kinstr_t *kinstr,
+                   char __user *instr_data, long len, int atomic, int cmd);
+        int (*get)(void *private_data, snd_seq_kinstr_t *kinstr,
+                   char __user *instr_data, long len, int atomic, int cmd);
+        int (*get_size)(void *private_data, snd_seq_kinstr_t *kinstr, long *size);
+        int (*remove)(void *private_data, snd_seq_kinstr_t *kinstr, int atomic);
+        void (*notify)(void *private_data, snd_seq_kinstr_t *kinstr, int what);
+        struct snd_seq_kinstr_ops *next;
+};
+
+
+/* instrument operations */
+snd_seq_kinstr_list_t *snd_seq_instr_list_new(void);
+void snd_seq_instr_list_free(snd_seq_kinstr_list_t **list);
+int snd_seq_instr_list_free_cond(snd_seq_kinstr_list_t *list,
+                                 snd_seq_instr_header_t *ifree,
+                                 int client,
+                                 int atomic);
+snd_seq_kinstr_t *snd_seq_instr_find(snd_seq_kinstr_list_t *list,
+                                     snd_seq_instr_t *instr,
+                                     int exact,
+                                     int follow_alias);
+void snd_seq_instr_free_use(snd_seq_kinstr_list_t *list,
+                            snd_seq_kinstr_t *instr);
+int snd_seq_instr_event(snd_seq_kinstr_ops_t *ops,
+                        snd_seq_kinstr_list_t *list,
+                        snd_seq_event_t *ev,
+                        int client,
+                        int atomic,
+                        int hop);
+
+#endif /* __SOUND_SEQ_INSTR_H */