diff options
Diffstat (limited to 'sound/core/seq/seq_clientmgr.h')
| -rw-r--r-- | sound/core/seq/seq_clientmgr.h | 66 |
1 files changed, 44 insertions, 22 deletions
diff --git a/sound/core/seq/seq_clientmgr.h b/sound/core/seq/seq_clientmgr.h index c6614254ef8a..ece02c58db70 100644 --- a/sound/core/seq/seq_clientmgr.h +++ b/sound/core/seq/seq_clientmgr.h @@ -1,22 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * ALSA sequencer Client Manager * Copyright (c) 1998-1999 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 - * */ #ifndef __SND_SEQ_CLIENTMGR_H #define __SND_SEQ_CLIENTMGR_H @@ -27,7 +12,6 @@ #include "seq_ports.h" #include "seq_lock.h" - /* client manager */ struct snd_seq_user_client { @@ -50,10 +34,13 @@ struct snd_seq_client { snd_seq_client_type_t type; unsigned int accept_input: 1, accept_output: 1; + unsigned int midi_version; + unsigned int user_pversion; char name[64]; /* client name */ int number; /* client number */ unsigned int filter; /* filter flags */ DECLARE_BITMAP(event_filter, 256); + unsigned short group_filter; snd_use_lock_t use_lock; int event_lost; /* ports */ @@ -61,7 +48,9 @@ struct snd_seq_client { struct list_head ports_list_head; rwlock_t ports_lock; struct mutex ports_mutex; + struct mutex ioctl_mutex; int convert32; /* convert 32->64bit */ + int ump_endpoint_port; /* output pool */ struct snd_seq_pool *pool; /* memory pool for this client */ @@ -70,6 +59,9 @@ struct snd_seq_client { struct snd_seq_user_client user; struct snd_seq_kernel_client kernel; } data; + + /* for UMP */ + void **ump_info; }; /* usage statistics */ @@ -86,20 +78,50 @@ void snd_sequencer_device_done(void); /* get locked pointer to client */ struct snd_seq_client *snd_seq_client_use_ptr(int clientid); +static inline struct snd_seq_client * +snd_seq_client_ref(struct snd_seq_client *client) +{ + snd_use_lock_use(&client->use_lock); + return client; +} + /* unlock pointer to client */ -#define snd_seq_client_unlock(client) snd_use_lock_free(&(client)->use_lock) +static inline void snd_seq_client_unref(struct snd_seq_client *client) +{ + snd_use_lock_free(&client->use_lock); +} + +DEFINE_FREE(snd_seq_client, struct snd_seq_client *, if (!IS_ERR_OR_NULL(_T)) snd_seq_client_unref(_T)) /* dispatch event to client(s) */ int snd_seq_dispatch_event(struct snd_seq_event_cell *cell, int atomic, int hop); -/* exported to other modules */ -int snd_seq_kernel_client_enqueue(int client, struct snd_seq_event *ev, int atomic, int hop); -int snd_seq_kernel_client_enqueue_blocking(int client, struct snd_seq_event * ev, - struct file *file, int atomic, int hop); int snd_seq_kernel_client_write_poll(int clientid, struct file *file, poll_table *wait); int snd_seq_client_notify_subscription(int client, int port, struct snd_seq_port_subscribe *info, int evtype); +int __snd_seq_deliver_single_event(struct snd_seq_client *dest, + struct snd_seq_client_port *dest_port, + struct snd_seq_event *event, + int atomic, int hop); + +/* only for OSS sequencer */ +int snd_seq_kernel_client_ioctl(int clientid, unsigned int cmd, void *arg); + extern int seq_client_load[15]; +/* for internal use between kernel sequencer clients */ +struct snd_seq_client *snd_seq_kernel_client_get(int client); +void snd_seq_kernel_client_put(struct snd_seq_client *cptr); + +static inline bool snd_seq_client_is_ump(struct snd_seq_client *c) +{ + return c->midi_version != SNDRV_SEQ_CLIENT_LEGACY_MIDI; +} + +static inline bool snd_seq_client_is_midi2(struct snd_seq_client *c) +{ + return c->midi_version == SNDRV_SEQ_CLIENT_UMP_MIDI_2_0; +} + #endif |