]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
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 sndrv_seq_tick_time_t snd_seq_tick_time_t; | |
28 | typedef sndrv_seq_position_t snd_seq_position_t; | |
29 | typedef sndrv_seq_frequency_t snd_seq_frequency_t; | |
30 | typedef sndrv_seq_instr_cluster_t snd_seq_instr_cluster_t; | |
31 | typedef enum sndrv_seq_client_type snd_seq_client_type_t; | |
32 | typedef enum sndrv_seq_stop_mode snd_seq_stop_mode_t; | |
33 | typedef struct sndrv_seq_port_info snd_seq_port_info_t; | |
34 | typedef struct sndrv_seq_port_subscribe snd_seq_port_subscribe_t; | |
35 | typedef struct sndrv_seq_event snd_seq_event_t; | |
36 | typedef struct sndrv_seq_addr snd_seq_addr_t; | |
37 | typedef struct sndrv_seq_ev_volume snd_seq_ev_volume_t; | |
38 | typedef struct sndrv_seq_ev_loop snd_seq_ev_loop_t; | |
39 | typedef struct sndrv_seq_remove_events snd_seq_remove_events_t; | |
40 | typedef struct sndrv_seq_query_subs snd_seq_query_subs_t; | |
41 | typedef struct sndrv_seq_real_time snd_seq_real_time_t; | |
42 | typedef struct sndrv_seq_system_info snd_seq_system_info_t; | |
43 | typedef struct sndrv_seq_client_info snd_seq_client_info_t; | |
44 | typedef struct sndrv_seq_queue_info snd_seq_queue_info_t; | |
45 | typedef struct sndrv_seq_queue_status snd_seq_queue_status_t; | |
46 | typedef struct sndrv_seq_queue_tempo snd_seq_queue_tempo_t; | |
47 | typedef struct sndrv_seq_queue_owner snd_seq_queue_owner_t; | |
48 | typedef struct sndrv_seq_queue_timer snd_seq_queue_timer_t; | |
49 | typedef struct sndrv_seq_queue_client snd_seq_queue_client_t; | |
50 | typedef struct sndrv_seq_client_pool snd_seq_client_pool_t; | |
51 | typedef struct sndrv_seq_instr snd_seq_instr_t; | |
52 | typedef struct sndrv_seq_instr_data snd_seq_instr_data_t; | |
53 | typedef struct sndrv_seq_instr_header snd_seq_instr_header_t; | |
54 | typedef union sndrv_seq_timestamp snd_seq_timestamp_t; | |
55 | ||
56 | #define snd_seq_event_bounce_ext_data sndrv_seq_event_bounce_ext_data | |
57 | #define snd_seq_ev_is_result_type sndrv_seq_ev_is_result_type | |
58 | #define snd_seq_ev_is_channel_type sndrv_seq_ev_is_channel_type | |
59 | #define snd_seq_ev_is_note_type sndrv_seq_ev_is_note_type | |
60 | #define snd_seq_ev_is_control_type sndrv_seq_ev_is_control_type | |
61 | #define snd_seq_ev_is_queue_type sndrv_seq_ev_is_queue_type | |
62 | #define snd_seq_ev_is_message_type sndrv_seq_ev_is_message_type | |
63 | #define snd_seq_ev_is_sample_type sndrv_seq_ev_is_sample_type | |
64 | #define snd_seq_ev_is_user_type sndrv_seq_ev_is_user_type | |
65 | #define snd_seq_ev_is_fixed_type sndrv_seq_ev_is_fixed_type | |
66 | #define snd_seq_ev_is_instr_type sndrv_seq_ev_is_instr_type | |
67 | #define snd_seq_ev_is_variable_type sndrv_seq_ev_is_variable_type | |
68 | #define snd_seq_ev_is_reserved sndrv_seq_ev_is_reserved | |
69 | #define snd_seq_ev_is_direct sndrv_seq_ev_is_direct | |
70 | #define snd_seq_ev_is_prior sndrv_seq_ev_is_prior | |
71 | #define snd_seq_ev_length_type sndrv_seq_ev_length_type | |
72 | #define snd_seq_ev_is_fixed sndrv_seq_ev_is_fixed | |
73 | #define snd_seq_ev_is_variable sndrv_seq_ev_is_variable | |
74 | #define snd_seq_ev_is_varusr sndrv_seq_ev_is_varusr | |
75 | #define snd_seq_ev_timestamp_type sndrv_seq_ev_timestamp_type | |
76 | #define snd_seq_ev_is_tick sndrv_seq_ev_is_tick | |
77 | #define snd_seq_ev_is_real sndrv_seq_ev_is_real | |
78 | #define snd_seq_ev_timemode_type sndrv_seq_ev_timemode_type | |
79 | #define snd_seq_ev_is_abstime sndrv_seq_ev_is_abstime | |
80 | #define snd_seq_ev_is_reltime sndrv_seq_ev_is_reltime | |
81 | #define snd_seq_queue_sync_port sndrv_seq_queue_sync_port | |
82 | #define snd_seq_queue_owner sndrv_seq_queue_owner | |
83 | ||
84 | /* maximum number of events dequeued per schedule interval */ | |
85 | #define SNDRV_SEQ_MAX_DEQUEUE 50 | |
86 | ||
87 | /* maximum number of queues */ | |
88 | #define SNDRV_SEQ_MAX_QUEUES 8 | |
89 | ||
90 | /* max number of concurrent clients */ | |
91 | #define SNDRV_SEQ_MAX_CLIENTS 192 | |
92 | ||
93 | /* max number of concurrent ports */ | |
94 | #define SNDRV_SEQ_MAX_PORTS 254 | |
95 | ||
96 | /* max number of events in memory pool */ | |
97 | #define SNDRV_SEQ_MAX_EVENTS 2000 | |
98 | ||
99 | /* default number of events in memory chunk */ | |
100 | #define SNDRV_SEQ_DEFAULT_CHUNK_EVENTS 64 | |
101 | ||
102 | /* default number of events in memory pool */ | |
103 | #define SNDRV_SEQ_DEFAULT_EVENTS 500 | |
104 | ||
105 | /* max number of events in memory pool for one client (outqueue) */ | |
106 | #define SNDRV_SEQ_MAX_CLIENT_EVENTS 2000 | |
107 | ||
108 | /* default number of events in memory pool for one client (outqueue) */ | |
109 | #define SNDRV_SEQ_DEFAULT_CLIENT_EVENTS 200 | |
110 | ||
111 | /* max delivery path length */ | |
112 | #define SNDRV_SEQ_MAX_HOPS 10 | |
113 | ||
114 | /* max size of event size */ | |
115 | #define SNDRV_SEQ_MAX_EVENT_LEN 0x3fffffff | |
116 | ||
117 | /* typedefs */ | |
118 | struct _snd_seq_user_client; | |
119 | struct _snd_seq_kernel_client; | |
120 | struct _snd_seq_client; | |
121 | struct _snd_seq_queue; | |
122 | ||
123 | typedef struct _snd_seq_user_client user_client_t; | |
124 | typedef struct _snd_seq_kernel_client kernel_client_t; | |
125 | typedef struct _snd_seq_client client_t; | |
126 | typedef struct _snd_seq_queue queue_t; | |
127 | ||
128 | /* call-backs for kernel client */ | |
129 | ||
130 | typedef struct { | |
131 | void *private_data; | |
132 | unsigned allow_input: 1, | |
133 | allow_output: 1; | |
134 | /*...*/ | |
135 | } snd_seq_client_callback_t; | |
136 | ||
137 | /* call-backs for kernel port */ | |
138 | typedef int (snd_seq_kernel_port_open_t)(void *private_data, snd_seq_port_subscribe_t *info); | |
139 | typedef int (snd_seq_kernel_port_close_t)(void *private_data, snd_seq_port_subscribe_t *info); | |
140 | typedef int (snd_seq_kernel_port_input_t)(snd_seq_event_t *ev, int direct, void *private_data, int atomic, int hop); | |
141 | typedef void (snd_seq_kernel_port_private_free_t)(void *private_data); | |
142 | ||
143 | typedef struct { | |
144 | struct module *owner; | |
145 | void *private_data; | |
146 | snd_seq_kernel_port_open_t *subscribe; | |
147 | snd_seq_kernel_port_close_t *unsubscribe; | |
148 | snd_seq_kernel_port_open_t *use; | |
149 | snd_seq_kernel_port_close_t *unuse; | |
150 | snd_seq_kernel_port_input_t *event_input; | |
151 | snd_seq_kernel_port_private_free_t *private_free; | |
152 | unsigned int callback_all; /* call subscribe callbacks at each connection/disconnection */ | |
153 | /*...*/ | |
154 | } snd_seq_port_callback_t; | |
155 | ||
156 | /* interface for kernel client */ | |
157 | extern int snd_seq_create_kernel_client(snd_card_t *card, int client_index, snd_seq_client_callback_t *callback); | |
158 | extern int snd_seq_delete_kernel_client(int client); | |
159 | extern int snd_seq_kernel_client_enqueue(int client, snd_seq_event_t *ev, int atomic, int hop); | |
160 | extern int snd_seq_kernel_client_dispatch(int client, snd_seq_event_t *ev, int atomic, int hop); | |
161 | extern int snd_seq_kernel_client_ctl(int client, unsigned int cmd, void *arg); | |
162 | ||
163 | #define SNDRV_SEQ_EXT_MASK 0xc0000000 | |
164 | #define SNDRV_SEQ_EXT_USRPTR 0x80000000 | |
165 | #define SNDRV_SEQ_EXT_CHAINED 0x40000000 | |
166 | ||
167 | typedef int (*snd_seq_dump_func_t)(void *ptr, void *buf, int count); | |
168 | int snd_seq_expand_var_event(const snd_seq_event_t *event, int count, char *buf, int in_kernel, int size_aligned); | |
169 | int snd_seq_dump_var_event(const snd_seq_event_t *event, snd_seq_dump_func_t func, void *private_data); | |
170 | ||
171 | /* interface for OSS emulation */ | |
172 | int snd_seq_set_queue_tempo(int client, snd_seq_queue_tempo_t *tempo); | |
173 | ||
174 | /* port callback routines */ | |
175 | void snd_port_init_callback(snd_seq_port_callback_t *p); | |
176 | snd_seq_port_callback_t *snd_port_alloc_callback(void); | |
177 | ||
178 | /* port attach/detach */ | |
179 | int snd_seq_event_port_attach(int client, snd_seq_port_callback_t *pcbp, | |
180 | int cap, int type, int midi_channels, int midi_voices, char *portname); | |
181 | int snd_seq_event_port_detach(int client, int port); | |
182 | ||
183 | #ifdef CONFIG_KMOD | |
184 | void snd_seq_autoload_lock(void); | |
185 | void snd_seq_autoload_unlock(void); | |
186 | #else | |
187 | #define snd_seq_autoload_lock() | |
188 | #define snd_seq_autoload_unlock() | |
189 | #endif | |
190 | ||
191 | #endif /* __SOUND_SEQ_KERNEL_H */ |