1 /* SPDX-License-Identifier: GPL-2.0-or-later * <<
2 #ifndef __SOUND_SEQ_OSS_H 1 #ifndef __SOUND_SEQ_OSS_H
3 #define __SOUND_SEQ_OSS_H 2 #define __SOUND_SEQ_OSS_H
4 3
5 /* 4 /*
6 * OSS compatible sequencer driver 5 * OSS compatible sequencer driver
7 * 6 *
8 * Copyright (C) 1998,99 Takashi Iwai 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
9 */ 22 */
10 23
11 #include <sound/asequencer.h> 24 #include <sound/asequencer.h>
12 #include <sound/seq_kernel.h> 25 #include <sound/seq_kernel.h>
13 26
14 /* 27 /*
15 * argument structure for synthesizer operatio 28 * argument structure for synthesizer operations
16 */ 29 */
17 struct snd_seq_oss_arg { 30 struct snd_seq_oss_arg {
18 /* given by OSS sequencer */ 31 /* given by OSS sequencer */
19 int app_index; /* application unique 32 int app_index; /* application unique index */
20 int file_mode; /* file mode - see bel 33 int file_mode; /* file mode - see below */
21 int seq_mode; /* sequencer mode - se 34 int seq_mode; /* sequencer mode - see below */
22 35
23 /* following must be initialized in op 36 /* following must be initialized in open callback */
24 struct snd_seq_addr addr; /* ope 37 struct snd_seq_addr addr; /* opened port address */
25 void *private_data; /* private dat 38 void *private_data; /* private data for lowlevel drivers */
26 39
27 /* note-on event passing mode: initial 40 /* note-on event passing mode: initially given by OSS seq,
28 * but configurable by drivers - see b 41 * but configurable by drivers - see below
29 */ 42 */
30 int event_passing; 43 int event_passing;
31 }; 44 };
32 45
33 46
34 /* 47 /*
35 * synthesizer operation callbacks 48 * synthesizer operation callbacks
36 */ 49 */
37 struct snd_seq_oss_callback { 50 struct snd_seq_oss_callback {
38 struct module *owner; 51 struct module *owner;
39 int (*open)(struct snd_seq_oss_arg *p, 52 int (*open)(struct snd_seq_oss_arg *p, void *closure);
40 int (*close)(struct snd_seq_oss_arg *p 53 int (*close)(struct snd_seq_oss_arg *p);
41 int (*ioctl)(struct snd_seq_oss_arg *p 54 int (*ioctl)(struct snd_seq_oss_arg *p, unsigned int cmd, unsigned long arg);
42 int (*load_patch)(struct snd_seq_oss_a 55 int (*load_patch)(struct snd_seq_oss_arg *p, int format, const char __user *buf, int offs, int count);
43 int (*reset)(struct snd_seq_oss_arg *p 56 int (*reset)(struct snd_seq_oss_arg *p);
44 int (*raw_event)(struct snd_seq_oss_ar 57 int (*raw_event)(struct snd_seq_oss_arg *p, unsigned char *data);
45 }; 58 };
46 59
47 /* flag: file_mode */ 60 /* flag: file_mode */
48 #define SNDRV_SEQ_OSS_FILE_ACMODE 61 #define SNDRV_SEQ_OSS_FILE_ACMODE 3
49 #define SNDRV_SEQ_OSS_FILE_READ 1 62 #define SNDRV_SEQ_OSS_FILE_READ 1
50 #define SNDRV_SEQ_OSS_FILE_WRITE 63 #define SNDRV_SEQ_OSS_FILE_WRITE 2
51 #define SNDRV_SEQ_OSS_FILE_NONBLOCK 4 64 #define SNDRV_SEQ_OSS_FILE_NONBLOCK 4
52 65
53 /* flag: seq_mode */ 66 /* flag: seq_mode */
54 #define SNDRV_SEQ_OSS_MODE_SYNTH 67 #define SNDRV_SEQ_OSS_MODE_SYNTH 0
55 #define SNDRV_SEQ_OSS_MODE_MUSIC 68 #define SNDRV_SEQ_OSS_MODE_MUSIC 1
56 69
57 /* flag: event_passing */ 70 /* flag: event_passing */
58 #define SNDRV_SEQ_OSS_PROCESS_EVENTS 0 71 #define SNDRV_SEQ_OSS_PROCESS_EVENTS 0 /* key == 255 is processed as velocity change */
59 #define SNDRV_SEQ_OSS_PASS_EVENTS 72 #define SNDRV_SEQ_OSS_PASS_EVENTS 1 /* pass all events to callback */
60 #define SNDRV_SEQ_OSS_PROCESS_KEYPRESS 2 73 #define SNDRV_SEQ_OSS_PROCESS_KEYPRESS 2 /* key >= 128 will be processed as key-pressure */
61 74
62 /* default control rate: fixed */ 75 /* default control rate: fixed */
63 #define SNDRV_SEQ_OSS_CTRLRATE 100 76 #define SNDRV_SEQ_OSS_CTRLRATE 100
64 77
65 /* default max queue length: configurable by m 78 /* default max queue length: configurable by module option */
66 #define SNDRV_SEQ_OSS_MAX_QLEN 1024 79 #define SNDRV_SEQ_OSS_MAX_QLEN 1024
67 80
68 81
69 /* 82 /*
70 * data pointer to snd_seq_register_device 83 * data pointer to snd_seq_register_device
71 */ 84 */
72 struct snd_seq_oss_reg { 85 struct snd_seq_oss_reg {
73 int type; 86 int type;
74 int subtype; 87 int subtype;
75 int nvoices; 88 int nvoices;
76 struct snd_seq_oss_callback oper; 89 struct snd_seq_oss_callback oper;
77 void *private_data; 90 void *private_data;
78 }; 91 };
79 92
80 /* device id */ 93 /* device id */
81 #define SNDRV_SEQ_DEV_ID_OSS "seq-o 94 #define SNDRV_SEQ_DEV_ID_OSS "seq-oss"
82 95
83 #endif /* __SOUND_SEQ_OSS_H */ 96 #endif /* __SOUND_SEQ_OSS_H */
84 97
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