^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_SOUNDFONT_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define __SOUND_SOUNDFONT_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) * Soundfont defines and definitions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright (C) 1999 Steve Ratcliffe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Copyright (c) 1999-2000 Takashi iwai <tiwai@suse.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <sound/sfnt_info.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <sound/util_mem.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define SF_MAX_INSTRUMENTS 128 /* maximum instrument number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #define SF_MAX_PRESETS 256 /* drums are mapped from 128 to 256 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define SF_IS_DRUM_BANK(z) ((z) == 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) struct snd_sf_zone {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct snd_sf_zone *next; /* Link to next */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) unsigned char bank; /* Midi bank for this zone */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) unsigned char instr; /* Midi program for this zone */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) unsigned char mapped; /* True if mapped to something else */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct soundfont_voice_info v; /* All the soundfont parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) int counter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct snd_sf_sample *sample; /* Link to sample */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) /* The following deals with preset numbers (programs) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct snd_sf_zone *next_instr; /* Next zone of this instrument */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct snd_sf_zone *next_zone; /* Next zone in play list */
^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) struct snd_sf_sample {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct soundfont_sample_info v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) int counter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct snd_util_memblk *block; /* allocated data block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct snd_sf_sample *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * This represents all the information relating to a soundfont.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct snd_soundfont {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct snd_soundfont *next; /* Link to next */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /*struct snd_soundfont *prev;*/ /* Link to previous */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) short id; /* file id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) short type; /* font type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) unsigned char name[SNDRV_SFNT_PATCH_NAME_LEN]; /* identifier */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct snd_sf_zone *zones; /* Font information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct snd_sf_sample *samples; /* The sample headers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) * Type of the sample access callback
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct snd_sf_callback {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) void *private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int (*sample_new)(void *private_data, struct snd_sf_sample *sp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct snd_util_memhdr *hdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) const void __user *buf, long count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int (*sample_free)(void *private_data, struct snd_sf_sample *sp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct snd_util_memhdr *hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) void (*sample_reset)(void *private);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) * List of soundfonts.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct snd_sf_list {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct snd_soundfont *currsf; /* The currently open soundfont */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) int open_client; /* client pointer for lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) int mem_used; /* used memory size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) struct snd_sf_zone *presets[SF_MAX_PRESETS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct snd_soundfont *fonts; /* The list of soundfonts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) int fonts_size; /* number of fonts allocated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) int zone_counter; /* last allocated time for zone */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) int sample_counter; /* last allocated time for sample */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) int zone_locked; /* locked time for zone */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) int sample_locked; /* locked time for sample */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct snd_sf_callback callback; /* callback functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) int presets_locked;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct mutex presets_mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) spinlock_t lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct snd_util_memhdr *memhdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) /* Prototypes for soundfont.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) int snd_soundfont_load(struct snd_sf_list *sflist, const void __user *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) long count, int client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) int snd_soundfont_load_guspatch(struct snd_sf_list *sflist, const char __user *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) long count, int client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) int snd_soundfont_close_check(struct snd_sf_list *sflist, int client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) struct snd_sf_list *snd_sf_new(struct snd_sf_callback *callback,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) struct snd_util_memhdr *hdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) void snd_sf_free(struct snd_sf_list *sflist);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) int snd_soundfont_remove_samples(struct snd_sf_list *sflist);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) int snd_soundfont_remove_unlocked(struct snd_sf_list *sflist);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) int snd_soundfont_search_zone(struct snd_sf_list *sflist, int *notep, int vel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) int preset, int bank,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) int def_preset, int def_bank,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct snd_sf_zone **table, int max_layers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) /* Parameter conversions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) int snd_sf_calc_parm_hold(int msec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) int snd_sf_calc_parm_attack(int msec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) int snd_sf_calc_parm_decay(int msec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) #define snd_sf_calc_parm_delay(msec) (0x8000 - (msec) * 1000 / 725)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) extern int snd_sf_vol_table[128];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) int snd_sf_linear_to_log(unsigned int amount, int offset, int ratio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) #endif /* __SOUND_SOUNDFONT_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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