Root/
1 | #ifndef __SOUND_SEQ_KERNEL_H |
2 | #define __SOUND_SEQ_KERNEL_H |
3 | |
4 | /* |
5 | * Main kernel header file for the ALSA sequencer |
6 | * Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl> |
7 | * |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License as published by |
11 | * the Free Software Foundation; either version 2 of the License, or |
12 | * (at your option) any later version. |
13 | * |
14 | * This program is distributed in the hope that it will be useful, |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
17 | * GNU General Public License for more details. |
18 | * |
19 | * You should have received a copy of the GNU General Public License |
20 | * along with this program; if not, write to the Free Software |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
22 | * |
23 | */ |
24 | #include <linux/time.h> |
25 | #include "asequencer.h" |
26 | |
27 | typedef struct snd_seq_real_time snd_seq_real_time_t; |
28 | typedef union snd_seq_timestamp snd_seq_timestamp_t; |
29 | |
30 | /* maximum number of events dequeued per schedule interval */ |
31 | #define SNDRV_SEQ_MAX_DEQUEUE 50 |
32 | |
33 | /* maximum number of queues */ |
34 | #define SNDRV_SEQ_MAX_QUEUES 8 |
35 | |
36 | /* max number of concurrent clients */ |
37 | #define SNDRV_SEQ_MAX_CLIENTS 192 |
38 | |
39 | /* max number of concurrent ports */ |
40 | #define SNDRV_SEQ_MAX_PORTS 254 |
41 | |
42 | /* max number of events in memory pool */ |
43 | #define SNDRV_SEQ_MAX_EVENTS 2000 |
44 | |
45 | /* default number of events in memory chunk */ |
46 | #define SNDRV_SEQ_DEFAULT_CHUNK_EVENTS 64 |
47 | |
48 | /* default number of events in memory pool */ |
49 | #define SNDRV_SEQ_DEFAULT_EVENTS 500 |
50 | |
51 | /* max number of events in memory pool for one client (outqueue) */ |
52 | #define SNDRV_SEQ_MAX_CLIENT_EVENTS 2000 |
53 | |
54 | /* default number of events in memory pool for one client (outqueue) */ |
55 | #define SNDRV_SEQ_DEFAULT_CLIENT_EVENTS 200 |
56 | |
57 | /* max delivery path length */ |
58 | #define SNDRV_SEQ_MAX_HOPS 10 |
59 | |
60 | /* max size of event size */ |
61 | #define SNDRV_SEQ_MAX_EVENT_LEN 0x3fffffff |
62 | |
63 | /* call-backs for kernel port */ |
64 | struct snd_seq_port_callback { |
65 | struct module *owner; |
66 | void *private_data; |
67 | int (*subscribe)(void *private_data, struct snd_seq_port_subscribe *info); |
68 | int (*unsubscribe)(void *private_data, struct snd_seq_port_subscribe *info); |
69 | int (*use)(void *private_data, struct snd_seq_port_subscribe *info); |
70 | int (*unuse)(void *private_data, struct snd_seq_port_subscribe *info); |
71 | int (*event_input)(struct snd_seq_event *ev, int direct, void *private_data, int atomic, int hop); |
72 | void (*private_free)(void *private_data); |
73 | unsigned int callback_all; /* call subscribe callbacks at each connection/disconnection */ |
74 | /*...*/ |
75 | }; |
76 | |
77 | /* interface for kernel client */ |
78 | int snd_seq_create_kernel_client(struct snd_card *card, int client_index, |
79 | const char *name_fmt, ...) |
80 | __attribute__ ((format (printf, 3, 4))); |
81 | int snd_seq_delete_kernel_client(int client); |
82 | int snd_seq_kernel_client_enqueue(int client, struct snd_seq_event *ev, int atomic, int hop); |
83 | int snd_seq_kernel_client_dispatch(int client, struct snd_seq_event *ev, int atomic, int hop); |
84 | int snd_seq_kernel_client_ctl(int client, unsigned int cmd, void *arg); |
85 | |
86 | #define SNDRV_SEQ_EXT_MASK 0xc0000000 |
87 | #define SNDRV_SEQ_EXT_USRPTR 0x80000000 |
88 | #define SNDRV_SEQ_EXT_CHAINED 0x40000000 |
89 | |
90 | typedef int (*snd_seq_dump_func_t)(void *ptr, void *buf, int count); |
91 | int snd_seq_expand_var_event(const struct snd_seq_event *event, int count, char *buf, |
92 | int in_kernel, int size_aligned); |
93 | int snd_seq_dump_var_event(const struct snd_seq_event *event, |
94 | snd_seq_dump_func_t func, void *private_data); |
95 | |
96 | /* interface for OSS emulation */ |
97 | int snd_seq_set_queue_tempo(int client, struct snd_seq_queue_tempo *tempo); |
98 | |
99 | /* port callback routines */ |
100 | void snd_port_init_callback(struct snd_seq_port_callback *p); |
101 | struct snd_seq_port_callback *snd_port_alloc_callback(void); |
102 | |
103 | /* port attach/detach */ |
104 | int snd_seq_event_port_attach(int client, struct snd_seq_port_callback *pcbp, |
105 | int cap, int type, int midi_channels, int midi_voices, char *portname); |
106 | int snd_seq_event_port_detach(int client, int port); |
107 | |
108 | #ifdef CONFIG_MODULES |
109 | void snd_seq_autoload_lock(void); |
110 | void snd_seq_autoload_unlock(void); |
111 | #else |
112 | #define snd_seq_autoload_lock() |
113 | #define snd_seq_autoload_unlock() |
114 | #endif |
115 | |
116 | #endif /* __SOUND_SEQ_KERNEL_H */ |
117 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9