1 /*
2 * OSS compatible sequencer driver
3 * timer handling routines
4 *
5 * Copyright (C) 1998,99 Takashi Iwai <tiwai@suse.de>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22 #ifndef __SEQ_OSS_TIMER_H
23 #define __SEQ_OSS_TIMER_H
24
25 #include "seq_oss_device.h"
26
27 /*
28 * timer information definition
29 */
30 struct seq_oss_timer {
31 struct seq_oss_devinfo *dp;
32 reltime_t cur_tick;
33 int realtime;
34 int running;
35 int tempo, ppq; /* ALSA queue */
36 int oss_tempo, oss_timebase;
37 };
38
39
40 struct seq_oss_timer *snd_seq_oss_timer_new(struct seq_oss_devinfo *dp);
41 void snd_seq_oss_timer_delete(struct seq_oss_timer *dp);
42
43 int snd_seq_oss_timer_start(struct seq_oss_timer *timer);
44 int snd_seq_oss_timer_stop(struct seq_oss_timer *timer);
45 int snd_seq_oss_timer_continue(struct seq_oss_timer *timer);
46 int snd_seq_oss_timer_tempo(struct seq_oss_timer *timer, int value);
47 #define snd_seq_oss_timer_reset snd_seq_oss_timer_start
48
49 int snd_seq_oss_timer_ioctl(struct seq_oss_timer *timer, unsigned int cmd, int __user *arg);
50
51 /*
52 * get current processed time
53 */
54 static inline abstime_t
55 snd_seq_oss_timer_cur_tick(struct seq_oss_timer *timer)
56 {
57 return timer->cur_tick;
58 }
59
60
61 /*
62 * is realtime event?
63 */
64 static inline int
65 snd_seq_oss_timer_is_realtime(struct seq_oss_timer *timer)
66 {
67 return timer->realtime;
68 }
69
70 #endif
71
|
This page was automatically generated by the
LXR engine.
|