projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef __SOUND_SEQ_VIRMIDI_H |
| 2 | #define __SOUND_SEQ_VIRMIDI_H | |
| 3 | ||
| 4 | /* | |
| 5 | * Virtual Raw MIDI client on Sequencer | |
| 6 | * Copyright (c) 2000 by Takashi Iwai <tiwai@suse.de>, | |
| c1017a4c | 7 | * Jaroslav Kysela <perex@perex.cz> |
| 1da177e4 LT |
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 | ||
| a1ce3928 DH |
25 | #include <sound/rawmidi.h> |
| 26 | #include <sound/seq_midi_event.h> | |
| 1da177e4 | 27 | |
| 1da177e4 LT |
28 | /* |
| 29 | * device file instance: | |
| 30 | * This instance is created at each time the midi device file is | |
| 31 | * opened. Each instance has its own input buffer and MIDI parser | |
| 32 | * (buffer), and is associated with the device instance. | |
| 33 | */ | |
| c7e0b5bf | 34 | struct snd_virmidi { |
| 1da177e4 LT |
35 | struct list_head list; |
| 36 | int seq_mode; | |
| 37 | int client; | |
| 38 | int port; | |
| 39 | unsigned int trigger: 1; | |
| c7e0b5bf TI |
40 | struct snd_midi_event *parser; |
| 41 | struct snd_seq_event event; | |
| 42 | struct snd_virmidi_dev *rdev; | |
| 43 | struct snd_rawmidi_substream *substream; | |
| 44 | }; | |
| 1da177e4 LT |
45 | |
| 46 | #define SNDRV_VIRMIDI_SUBSCRIBE (1<<0) | |
| 47 | #define SNDRV_VIRMIDI_USE (1<<1) | |
| 48 | ||
| 49 | /* | |
| 50 | * device record: | |
| 51 | * Each virtual midi device has one device instance. It contains | |
| 52 | * common information and the linked-list of opened files, | |
| 53 | */ | |
| c7e0b5bf TI |
54 | struct snd_virmidi_dev { |
| 55 | struct snd_card *card; /* associated card */ | |
| 56 | struct snd_rawmidi *rmidi; /* rawmidi device */ | |
| 1da177e4 LT |
57 | int seq_mode; /* SNDRV_VIRMIDI_XXX */ |
| 58 | int device; /* sequencer device */ | |
| 59 | int client; /* created/attached client */ | |
| 60 | int port; /* created/attached port */ | |
| 61 | unsigned int flags; /* SNDRV_VIRMIDI_* */ | |
| 62 | rwlock_t filelist_lock; | |
| 63 | struct list_head filelist; | |
| 64 | }; | |
| 65 | ||
| 66 | /* sequencer mode: | |
| 67 | * ATTACH = input/output events from midi device are routed to the | |
| 68 | * attached sequencer port. sequencer port is not created | |
| 69 | * by virmidi itself. | |
| 70 | * the input to rawmidi must be processed by passing the | |
| 71 | * incoming events via snd_virmidi_receive() | |
| 72 | * DISPATCH = input/output events are routed to subscribers. | |
| 73 | * sequencer port is created in virmidi. | |
| 74 | */ | |
| 75 | #define SNDRV_VIRMIDI_SEQ_NONE 0 | |
| 76 | #define SNDRV_VIRMIDI_SEQ_ATTACH 1 | |
| 77 | #define SNDRV_VIRMIDI_SEQ_DISPATCH 2 | |
| 78 | ||
| c7e0b5bf | 79 | int snd_virmidi_new(struct snd_card *card, int device, struct snd_rawmidi **rrmidi); |
| 1da177e4 LT |
80 | |
| 81 | #endif /* __SOUND_SEQ_VIRMIDI */ |