^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef __SOUND_SEQ_OSS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define __SOUND_SEQ_OSS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * OSS compatible sequencer driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright (C) 1998,99 Takashi Iwai
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <sound/asequencer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <sound/seq_kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * argument structure for synthesizer operations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct snd_seq_oss_arg {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) /* given by OSS sequencer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) int app_index; /* application unique index */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) int file_mode; /* file mode - see below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) int seq_mode; /* sequencer mode - see below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) /* following must be initialized in open callback */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct snd_seq_addr addr; /* opened port address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) void *private_data; /* private data for lowlevel drivers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /* note-on event passing mode: initially given by OSS seq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * but configurable by drivers - see below
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) int event_passing;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * synthesizer operation callbacks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct snd_seq_oss_callback {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct module *owner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) int (*open)(struct snd_seq_oss_arg *p, void *closure);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) int (*close)(struct snd_seq_oss_arg *p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) int (*ioctl)(struct snd_seq_oss_arg *p, unsigned int cmd, unsigned long arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) int (*load_patch)(struct snd_seq_oss_arg *p, int format, const char __user *buf, int offs, int count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) int (*reset)(struct snd_seq_oss_arg *p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int (*raw_event)(struct snd_seq_oss_arg *p, unsigned char *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) /* flag: file_mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define SNDRV_SEQ_OSS_FILE_ACMODE 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define SNDRV_SEQ_OSS_FILE_READ 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define SNDRV_SEQ_OSS_FILE_WRITE 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define SNDRV_SEQ_OSS_FILE_NONBLOCK 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) /* flag: seq_mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define SNDRV_SEQ_OSS_MODE_SYNTH 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define SNDRV_SEQ_OSS_MODE_MUSIC 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /* flag: event_passing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define SNDRV_SEQ_OSS_PROCESS_EVENTS 0 /* key == 255 is processed as velocity change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define SNDRV_SEQ_OSS_PASS_EVENTS 1 /* pass all events to callback */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define SNDRV_SEQ_OSS_PROCESS_KEYPRESS 2 /* key >= 128 will be processed as key-pressure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) /* default control rate: fixed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define SNDRV_SEQ_OSS_CTRLRATE 100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) /* default max queue length: configurable by module option */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define SNDRV_SEQ_OSS_MAX_QLEN 1024
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * data pointer to snd_seq_register_device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct snd_seq_oss_reg {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) int type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) int subtype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) int nvoices;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct snd_seq_oss_callback oper;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) void *private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) /* device id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define SNDRV_SEQ_DEV_ID_OSS "seq-oss"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #endif /* __SOUND_SEQ_OSS_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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