#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 * * * 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 #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 */