diff options
Diffstat (limited to 'sound/core/seq/seq_memory.h')
| -rw-r--r-- | sound/core/seq/seq_memory.h | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/sound/core/seq/seq_memory.h b/sound/core/seq/seq_memory.h index 4a2ec779b8a7..7f7a2c0b187d 100644 --- a/sound/core/seq/seq_memory.h +++ b/sound/core/seq/seq_memory.h @@ -1,22 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * ALSA sequencer Memory Manager * 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 - * */ #ifndef __SND_SEQ_MEMORYMGR_H #define __SND_SEQ_MEMORYMGR_H @@ -26,9 +11,26 @@ struct snd_info_buffer; +/* aliasing for legacy and UMP event packet handling */ +union __snd_seq_event { + struct snd_seq_event legacy; +#if IS_ENABLED(CONFIG_SND_SEQ_UMP) + struct snd_seq_ump_event ump; +#endif + struct { + struct snd_seq_event event; +#if IS_ENABLED(CONFIG_SND_SEQ_UMP) + u32 extra; +#endif + } __packed raw; +}; + /* container for sequencer event (internal use) */ struct snd_seq_event_cell { - struct snd_seq_event event; + union { + struct snd_seq_event event; + union __snd_seq_event ump; + }; struct snd_seq_pool *pool; /* used pool */ struct snd_seq_event_cell *next; /* next cell */ }; @@ -66,7 +68,8 @@ struct snd_seq_pool { void snd_seq_cell_free(struct snd_seq_event_cell *cell); int snd_seq_event_dup(struct snd_seq_pool *pool, struct snd_seq_event *event, - struct snd_seq_event_cell **cellp, int nonblock, struct file *file); + struct snd_seq_event_cell **cellp, int nonblock, + struct file *file, struct mutex *mutexp); /* return number of unused (free) cells */ static inline int snd_seq_unused_cells(struct snd_seq_pool *pool) @@ -84,6 +87,7 @@ static inline int snd_seq_total_cells(struct snd_seq_pool *pool) int snd_seq_pool_init(struct snd_seq_pool *pool); /* done pool - free events */ +void snd_seq_pool_mark_closing(struct snd_seq_pool *pool); int snd_seq_pool_done(struct snd_seq_pool *pool); /* create pool */ @@ -92,12 +96,6 @@ struct snd_seq_pool *snd_seq_pool_new(int poolsize); /* remove pool */ int snd_seq_pool_delete(struct snd_seq_pool **pool); -/* init memory */ -int snd_sequencer_memory_init(void); - -/* release event memory */ -void snd_sequencer_memory_done(void); - /* polling */ int snd_seq_pool_poll_wait(struct snd_seq_pool *pool, struct file *file, poll_table *wait); |