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1 | #ifndef __SOUND_SEQ_OSS_H |
2 | #define __SOUND_SEQ_OSS_H |
3 | |
4 | /* |
5 | * OSS compatible sequencer driver |
6 | * |
7 | * Copyright (C) 1998,99 Takashi Iwai |
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 | #include "asequencer.h" |
25 | #include "seq_kernel.h" |
26 | |
27 | /* |
28 | * argument structure for synthesizer operations |
29 | */ |
30 | struct snd_seq_oss_arg { |
31 | /* given by OSS sequencer */ |
32 | int app_index; /* application unique index */ |
33 | int file_mode; /* file mode - see below */ |
34 | int seq_mode; /* sequencer mode - see below */ |
35 | |
36 | /* following must be initialized in open callback */ |
37 | struct snd_seq_addr addr; /* opened port address */ |
38 | void *private_data; /* private data for lowlevel drivers */ |
39 | |
40 | /* note-on event passing mode: initially given by OSS seq, |
41 | * but configurable by drivers - see below |
42 | */ |
43 | int event_passing; |
44 | }; |
45 | |
46 | |
47 | /* |
48 | * synthesizer operation callbacks |
49 | */ |
50 | struct snd_seq_oss_callback { |
51 | struct module *owner; |
52 | int (*open)(struct snd_seq_oss_arg *p, void *closure); |
53 | int (*close)(struct snd_seq_oss_arg *p); |
54 | int (*ioctl)(struct snd_seq_oss_arg *p, unsigned int cmd, unsigned long arg); |
55 | int (*load_patch)(struct snd_seq_oss_arg *p, int format, const char __user *buf, int offs, int count); |
56 | int (*reset)(struct snd_seq_oss_arg *p); |
57 | int (*raw_event)(struct snd_seq_oss_arg *p, unsigned char *data); |
58 | }; |
59 | |
60 | /* flag: file_mode */ |
61 | #define SNDRV_SEQ_OSS_FILE_ACMODE 3 |
62 | #define SNDRV_SEQ_OSS_FILE_READ 1 |
63 | #define SNDRV_SEQ_OSS_FILE_WRITE 2 |
64 | #define SNDRV_SEQ_OSS_FILE_NONBLOCK 4 |
65 | |
66 | /* flag: seq_mode */ |
67 | #define SNDRV_SEQ_OSS_MODE_SYNTH 0 |
68 | #define SNDRV_SEQ_OSS_MODE_MUSIC 1 |
69 | |
70 | /* flag: event_passing */ |
71 | #define SNDRV_SEQ_OSS_PROCESS_EVENTS 0 /* key == 255 is processed as velocity change */ |
72 | #define SNDRV_SEQ_OSS_PASS_EVENTS 1 /* pass all events to callback */ |
73 | #define SNDRV_SEQ_OSS_PROCESS_KEYPRESS 2 /* key >= 128 will be processed as key-pressure */ |
74 | |
75 | /* default control rate: fixed */ |
76 | #define SNDRV_SEQ_OSS_CTRLRATE 100 |
77 | |
78 | /* default max queue length: configurable by module option */ |
79 | #define SNDRV_SEQ_OSS_MAX_QLEN 1024 |
80 | |
81 | |
82 | /* |
83 | * data pointer to snd_seq_register_device |
84 | */ |
85 | struct snd_seq_oss_reg { |
86 | int type; |
87 | int subtype; |
88 | int nvoices; |
89 | struct snd_seq_oss_callback oper; |
90 | void *private_data; |
91 | }; |
92 | |
93 | /* device id */ |
94 | #define SNDRV_SEQ_DEV_ID_OSS "seq-oss" |
95 | |
96 | #endif /* __SOUND_SEQ_OSS_H */ |
97 |
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Tags:
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v2.6.34-rc5
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