|  | #ifndef __SOUND_SEQ_KERNEL_H | 
|  | #define __SOUND_SEQ_KERNEL_H | 
|  |  | 
|  | /* | 
|  | *  Main kernel header file for the ALSA sequencer | 
|  | *  Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl> | 
|  | * | 
|  | * | 
|  | *   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 <linux/time.h> | 
|  | #include "asequencer.h" | 
|  |  | 
|  | typedef sndrv_seq_tick_time_t snd_seq_tick_time_t; | 
|  | typedef sndrv_seq_position_t snd_seq_position_t; | 
|  | typedef sndrv_seq_frequency_t snd_seq_frequency_t; | 
|  | typedef sndrv_seq_instr_cluster_t snd_seq_instr_cluster_t; | 
|  | typedef enum sndrv_seq_client_type snd_seq_client_type_t; | 
|  | typedef enum sndrv_seq_stop_mode snd_seq_stop_mode_t; | 
|  | typedef struct sndrv_seq_port_info snd_seq_port_info_t; | 
|  | typedef struct sndrv_seq_port_subscribe snd_seq_port_subscribe_t; | 
|  | typedef struct sndrv_seq_event snd_seq_event_t; | 
|  | typedef struct sndrv_seq_addr snd_seq_addr_t; | 
|  | typedef struct sndrv_seq_ev_volume snd_seq_ev_volume_t; | 
|  | typedef struct sndrv_seq_ev_loop snd_seq_ev_loop_t; | 
|  | typedef struct sndrv_seq_remove_events snd_seq_remove_events_t; | 
|  | typedef struct sndrv_seq_query_subs snd_seq_query_subs_t; | 
|  | typedef struct sndrv_seq_real_time snd_seq_real_time_t; | 
|  | typedef struct sndrv_seq_system_info snd_seq_system_info_t; | 
|  | typedef struct sndrv_seq_client_info snd_seq_client_info_t; | 
|  | typedef struct sndrv_seq_queue_info snd_seq_queue_info_t; | 
|  | typedef struct sndrv_seq_queue_status snd_seq_queue_status_t; | 
|  | typedef struct sndrv_seq_queue_tempo snd_seq_queue_tempo_t; | 
|  | typedef struct sndrv_seq_queue_owner snd_seq_queue_owner_t; | 
|  | typedef struct sndrv_seq_queue_timer snd_seq_queue_timer_t; | 
|  | typedef struct sndrv_seq_queue_client snd_seq_queue_client_t; | 
|  | typedef struct sndrv_seq_client_pool snd_seq_client_pool_t; | 
|  | typedef struct sndrv_seq_instr snd_seq_instr_t; | 
|  | typedef struct sndrv_seq_instr_data snd_seq_instr_data_t; | 
|  | typedef struct sndrv_seq_instr_header snd_seq_instr_header_t; | 
|  | typedef union sndrv_seq_timestamp snd_seq_timestamp_t; | 
|  |  | 
|  | #define snd_seq_event_bounce_ext_data	sndrv_seq_event_bounce_ext_data | 
|  | #define snd_seq_ev_is_result_type	sndrv_seq_ev_is_result_type | 
|  | #define snd_seq_ev_is_channel_type	sndrv_seq_ev_is_channel_type | 
|  | #define snd_seq_ev_is_note_type		sndrv_seq_ev_is_note_type | 
|  | #define snd_seq_ev_is_control_type	sndrv_seq_ev_is_control_type | 
|  | #define snd_seq_ev_is_queue_type	sndrv_seq_ev_is_queue_type | 
|  | #define snd_seq_ev_is_message_type	sndrv_seq_ev_is_message_type | 
|  | #define snd_seq_ev_is_sample_type	sndrv_seq_ev_is_sample_type | 
|  | #define snd_seq_ev_is_user_type		sndrv_seq_ev_is_user_type | 
|  | #define snd_seq_ev_is_fixed_type	sndrv_seq_ev_is_fixed_type | 
|  | #define snd_seq_ev_is_instr_type	sndrv_seq_ev_is_instr_type | 
|  | #define snd_seq_ev_is_variable_type	sndrv_seq_ev_is_variable_type | 
|  | #define snd_seq_ev_is_reserved		sndrv_seq_ev_is_reserved | 
|  | #define snd_seq_ev_is_direct		sndrv_seq_ev_is_direct | 
|  | #define snd_seq_ev_is_prior		sndrv_seq_ev_is_prior | 
|  | #define snd_seq_ev_length_type		sndrv_seq_ev_length_type | 
|  | #define snd_seq_ev_is_fixed		sndrv_seq_ev_is_fixed | 
|  | #define snd_seq_ev_is_variable		sndrv_seq_ev_is_variable | 
|  | #define snd_seq_ev_is_varusr		sndrv_seq_ev_is_varusr | 
|  | #define snd_seq_ev_timestamp_type	sndrv_seq_ev_timestamp_type | 
|  | #define snd_seq_ev_is_tick		sndrv_seq_ev_is_tick | 
|  | #define snd_seq_ev_is_real		sndrv_seq_ev_is_real | 
|  | #define snd_seq_ev_timemode_type	sndrv_seq_ev_timemode_type | 
|  | #define snd_seq_ev_is_abstime		sndrv_seq_ev_is_abstime | 
|  | #define snd_seq_ev_is_reltime		sndrv_seq_ev_is_reltime | 
|  | #define snd_seq_queue_sync_port		sndrv_seq_queue_sync_port | 
|  | #define snd_seq_queue_owner		sndrv_seq_queue_owner | 
|  |  | 
|  | /* maximum number of events dequeued per schedule interval */ | 
|  | #define SNDRV_SEQ_MAX_DEQUEUE		50 | 
|  |  | 
|  | /* maximum number of queues */ | 
|  | #define SNDRV_SEQ_MAX_QUEUES		8 | 
|  |  | 
|  | /* max number of concurrent clients */ | 
|  | #define SNDRV_SEQ_MAX_CLIENTS 		192 | 
|  |  | 
|  | /* max number of concurrent ports */ | 
|  | #define SNDRV_SEQ_MAX_PORTS 		254 | 
|  |  | 
|  | /* max number of events in memory pool */ | 
|  | #define SNDRV_SEQ_MAX_EVENTS		2000 | 
|  |  | 
|  | /* default number of events in memory chunk */ | 
|  | #define SNDRV_SEQ_DEFAULT_CHUNK_EVENTS	64 | 
|  |  | 
|  | /* default number of events in memory pool */ | 
|  | #define SNDRV_SEQ_DEFAULT_EVENTS	500 | 
|  |  | 
|  | /* max number of events in memory pool for one client (outqueue) */ | 
|  | #define SNDRV_SEQ_MAX_CLIENT_EVENTS	2000 | 
|  |  | 
|  | /* default number of events in memory pool for one client (outqueue) */ | 
|  | #define SNDRV_SEQ_DEFAULT_CLIENT_EVENTS	200 | 
|  |  | 
|  | /* max delivery path length */ | 
|  | #define SNDRV_SEQ_MAX_HOPS		10 | 
|  |  | 
|  | /* max size of event size */ | 
|  | #define SNDRV_SEQ_MAX_EVENT_LEN		0x3fffffff | 
|  |  | 
|  | /* typedefs */ | 
|  | struct _snd_seq_user_client; | 
|  | struct _snd_seq_kernel_client; | 
|  | struct _snd_seq_client; | 
|  | struct _snd_seq_queue; | 
|  |  | 
|  | typedef struct _snd_seq_user_client user_client_t; | 
|  | typedef struct _snd_seq_kernel_client kernel_client_t; | 
|  | typedef struct _snd_seq_client client_t; | 
|  | typedef struct _snd_seq_queue queue_t; | 
|  |  | 
|  | /* call-backs for kernel client */ | 
|  |  | 
|  | typedef struct { | 
|  | void *private_data; | 
|  | unsigned allow_input: 1, | 
|  | allow_output: 1; | 
|  | /*...*/ | 
|  | } snd_seq_client_callback_t; | 
|  |  | 
|  | /* call-backs for kernel port */ | 
|  | typedef int (snd_seq_kernel_port_open_t)(void *private_data, snd_seq_port_subscribe_t *info); | 
|  | typedef int (snd_seq_kernel_port_close_t)(void *private_data, snd_seq_port_subscribe_t *info); | 
|  | typedef int (snd_seq_kernel_port_input_t)(snd_seq_event_t *ev, int direct, void *private_data, int atomic, int hop); | 
|  | typedef void (snd_seq_kernel_port_private_free_t)(void *private_data); | 
|  |  | 
|  | typedef struct { | 
|  | struct module *owner; | 
|  | void *private_data; | 
|  | snd_seq_kernel_port_open_t *subscribe; | 
|  | snd_seq_kernel_port_close_t *unsubscribe; | 
|  | snd_seq_kernel_port_open_t *use; | 
|  | snd_seq_kernel_port_close_t *unuse; | 
|  | snd_seq_kernel_port_input_t *event_input; | 
|  | snd_seq_kernel_port_private_free_t *private_free; | 
|  | unsigned int callback_all;	/* call subscribe callbacks at each connection/disconnection */ | 
|  | /*...*/ | 
|  | } snd_seq_port_callback_t; | 
|  |  | 
|  | /* interface for kernel client */ | 
|  | extern int snd_seq_create_kernel_client(snd_card_t *card, int client_index, snd_seq_client_callback_t *callback); | 
|  | extern int snd_seq_delete_kernel_client(int client); | 
|  | extern int snd_seq_kernel_client_enqueue(int client, snd_seq_event_t *ev, int atomic, int hop); | 
|  | extern int snd_seq_kernel_client_dispatch(int client, snd_seq_event_t *ev, int atomic, int hop); | 
|  | extern int snd_seq_kernel_client_ctl(int client, unsigned int cmd, void *arg); | 
|  |  | 
|  | #define SNDRV_SEQ_EXT_MASK	0xc0000000 | 
|  | #define SNDRV_SEQ_EXT_USRPTR	0x80000000 | 
|  | #define SNDRV_SEQ_EXT_CHAINED	0x40000000 | 
|  |  | 
|  | typedef int (*snd_seq_dump_func_t)(void *ptr, void *buf, int count); | 
|  | int snd_seq_expand_var_event(const snd_seq_event_t *event, int count, char *buf, int in_kernel, int size_aligned); | 
|  | int snd_seq_dump_var_event(const snd_seq_event_t *event, snd_seq_dump_func_t func, void *private_data); | 
|  |  | 
|  | /* interface for OSS emulation */ | 
|  | int snd_seq_set_queue_tempo(int client, snd_seq_queue_tempo_t *tempo); | 
|  |  | 
|  | /* port callback routines */ | 
|  | void snd_port_init_callback(snd_seq_port_callback_t *p); | 
|  | snd_seq_port_callback_t *snd_port_alloc_callback(void); | 
|  |  | 
|  | /* port attach/detach */ | 
|  | int snd_seq_event_port_attach(int client, snd_seq_port_callback_t *pcbp, | 
|  | int cap, int type, int midi_channels, int midi_voices, char *portname); | 
|  | int snd_seq_event_port_detach(int client, int port); | 
|  |  | 
|  | #ifdef CONFIG_KMOD | 
|  | void snd_seq_autoload_lock(void); | 
|  | void snd_seq_autoload_unlock(void); | 
|  | #else | 
|  | #define snd_seq_autoload_lock() | 
|  | #define snd_seq_autoload_unlock() | 
|  | #endif | 
|  |  | 
|  | #endif /* __SOUND_SEQ_KERNEL_H */ |