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