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5
6#ifndef __SND_SEQ_QUEUE_H
7#define __SND_SEQ_QUEUE_H
8
9#include "seq_memory.h"
10#include "seq_prioq.h"
11#include "seq_timer.h"
12#include "seq_lock.h"
13#include <linux/interrupt.h>
14#include <linux/list.h>
15#include <linux/bitops.h>
16
17#define SEQ_QUEUE_NO_OWNER (-1)
18
19struct snd_seq_queue {
20 int queue;
21
22 char name[64];
23
24 struct snd_seq_prioq *tickq;
25 struct snd_seq_prioq *timeq;
26
27 struct snd_seq_timer *timer;
28 int owner;
29 bool locked;
30 bool klocked;
31 bool check_again;
32 bool check_blocked;
33
34 unsigned int flags;
35 unsigned int info_flags;
36
37 spinlock_t owner_lock;
38 spinlock_t check_lock;
39
40
41 DECLARE_BITMAP(clients_bitmap, SNDRV_SEQ_MAX_CLIENTS);
42 unsigned int clients;
43 struct mutex timer_mutex;
44
45 snd_use_lock_t use_lock;
46};
47
48
49
50int snd_seq_queue_get_cur_queues(void);
51
52
53void snd_seq_queues_delete(void);
54
55
56
57struct snd_seq_queue *snd_seq_queue_alloc(int client, int locked, unsigned int flags);
58
59
60int snd_seq_queue_delete(int client, int queueid);
61
62
63void snd_seq_queue_client_leave(int client);
64
65
66int snd_seq_enqueue_event(struct snd_seq_event_cell *cell, int atomic, int hop);
67
68
69void snd_seq_queue_client_leave_cells(int client);
70void snd_seq_queue_remove_cells(int client, struct snd_seq_remove_events *info);
71
72
73struct snd_seq_queue *queueptr(int queueid);
74
75#define queuefree(q) snd_use_lock_free(&(q)->use_lock)
76
77
78struct snd_seq_queue *snd_seq_queue_find_name(char *name);
79
80
81void snd_seq_check_queue(struct snd_seq_queue *q, int atomic, int hop);
82
83
84int snd_seq_queue_check_access(int queueid, int client);
85int snd_seq_queue_timer_set_tempo(int queueid, int client, struct snd_seq_queue_tempo *info);
86int snd_seq_queue_set_owner(int queueid, int client, int locked);
87int snd_seq_queue_set_locked(int queueid, int client, int locked);
88int snd_seq_queue_timer_open(int queueid);
89int snd_seq_queue_timer_close(int queueid);
90int snd_seq_queue_use(int queueid, int client, int use);
91int snd_seq_queue_is_used(int queueid, int client);
92
93int snd_seq_control_queue(struct snd_seq_event *ev, int atomic, int hop);
94
95#endif
96