diff options
Diffstat (limited to 'include/uapi/sound/sfnt_info.h')
| -rw-r--r-- | include/uapi/sound/sfnt_info.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/include/uapi/sound/sfnt_info.h b/include/uapi/sound/sfnt_info.h new file mode 100644 index 000000000..f2b5e13fb --- /dev/null +++ b/include/uapi/sound/sfnt_info.h @@ -0,0 +1,198 @@ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ +#ifndef __SOUND_SFNT_INFO_H +#define __SOUND_SFNT_INFO_H + +/* + * Patch record compatible with AWE driver on OSS + * + * Copyright (C) 1999-2000 Takashi Iwai + */ + +#include <sound/asound.h> + +/* + * patch information record + */ + +#ifdef SNDRV_BIG_ENDIAN +#define SNDRV_OSS_PATCHKEY(id) (0xfd00|id) +#else +#define SNDRV_OSS_PATCHKEY(id) ((id<<8)|0xfd) +#endif + +/* patch interface header: 16 bytes */ +struct soundfont_patch_info { + unsigned short key; /* use the key below */ +#define SNDRV_OSS_SOUNDFONT_PATCH SNDRV_OSS_PATCHKEY(0x07) + + short device_no; /* synthesizer number */ + unsigned short sf_id; /* file id (should be zero) */ + short optarg; /* optional argument */ + int len; /* data length (without this header) */ + + short type; /* patch operation type */ +#define SNDRV_SFNT_LOAD_INFO 0 /* awe_voice_rec */ +#define SNDRV_SFNT_LOAD_DATA 1 /* awe_sample_info */ +#define SNDRV_SFNT_OPEN_PATCH 2 /* awe_open_parm */ +#define SNDRV_SFNT_CLOSE_PATCH 3 /* none */ + /* 4 is obsolete */ +#define SNDRV_SFNT_REPLACE_DATA 5 /* awe_sample_info (optarg=#channels)*/ +#define SNDRV_SFNT_MAP_PRESET 6 /* awe_voice_map */ + /* 7 is not used */ +#define SNDRV_SFNT_PROBE_DATA 8 /* optarg=sample */ +#define SNDRV_SFNT_REMOVE_INFO 9 /* optarg=(bank<<8)|instr */ + + short reserved; /* word alignment data */ + + /* the actual patch data begins after this */ +}; + + +/* + * open patch + */ + +#define SNDRV_SFNT_PATCH_NAME_LEN 32 + +struct soundfont_open_parm { + unsigned short type; /* sample type */ +#define SNDRV_SFNT_PAT_TYPE_MISC 0 +#define SNDRV_SFNT_PAT_TYPE_GUS 6 +#define SNDRV_SFNT_PAT_TYPE_MAP 7 +#define SNDRV_SFNT_PAT_LOCKED 0x100 /* lock the samples */ +#define SNDRV_SFNT_PAT_SHARED 0x200 /* sample is shared */ + + short reserved; + char name[SNDRV_SFNT_PATCH_NAME_LEN]; +}; + + +/* + * raw voice information record + */ + +/* wave table envelope & effect parameters to control EMU8000 */ +struct soundfont_voice_parm { + unsigned short moddelay; /* modulation delay (0x8000) */ + unsigned short modatkhld; /* modulation attack & hold time (0x7f7f) */ + unsigned short moddcysus; /* modulation decay & sustain (0x7f7f) */ + unsigned short modrelease; /* modulation release time (0x807f) */ + short modkeyhold, modkeydecay; /* envelope change per key (not used) */ + unsigned short voldelay; /* volume delay (0x8000) */ + unsigned short volatkhld; /* volume attack & hold time (0x7f7f) */ + unsigned short voldcysus; /* volume decay & sustain (0x7f7f) */ + unsigned short volrelease; /* volume release time (0x807f) */ + short volkeyhold, volkeydecay; /* envelope change per key (not used) */ + unsigned short lfo1delay; /* LFO1 delay (0x8000) */ + unsigned short lfo2delay; /* LFO2 delay (0x8000) */ + unsigned short pefe; /* modulation pitch & cutoff (0x0000) */ + unsigned short fmmod; /* LFO1 pitch & cutoff (0x0000) */ + unsigned short tremfrq; /* LFO1 volume & freq (0x0000) */ + unsigned short fm2frq2; /* LFO2 pitch & freq (0x0000) */ + unsigned char cutoff; /* initial cutoff (0xff) */ + unsigned char filterQ; /* initial filter Q [0-15] (0x0) */ + unsigned char chorus; /* chorus send (0x00) */ + unsigned char reverb; /* reverb send (0x00) */ + unsigned short reserved[4]; /* not used */ +}; + + +/* wave table parameters: 92 bytes */ +struct soundfont_voice_info { + unsigned short sf_id; /* file id (should be zero) */ + unsigned short sample; /* sample id */ + int start, end; /* sample offset correction */ + int loopstart, loopend; /* loop offset correction */ + short rate_offset; /* sample rate pitch offset */ + unsigned short mode; /* sample mode */ +#define SNDRV_SFNT_MODE_ROMSOUND 0x8000 +#define SNDRV_SFNT_MODE_STEREO 1 +#define SNDRV_SFNT_MODE_LOOPING 2 +#define SNDRV_SFNT_MODE_NORELEASE 4 /* obsolete */ +#define SNDRV_SFNT_MODE_INIT_PARM 8 + + short root; /* midi root key */ + short tune; /* pitch tuning (in cents) */ + unsigned char low, high; /* key note range */ + unsigned char vellow, velhigh; /* velocity range */ + signed char fixkey, fixvel; /* fixed key, velocity */ + signed char pan, fixpan; /* panning, fixed panning */ + short exclusiveClass; /* exclusive class (0 = none) */ + unsigned char amplitude; /* sample volume (127 max) */ + unsigned char attenuation; /* attenuation (0.375dB) */ + short scaleTuning; /* pitch scale tuning(%), normally 100 */ + struct soundfont_voice_parm parm; /* voice envelope parameters */ + unsigned short sample_mode; /* sample mode_flag (set by driver) */ +}; + + +/* instrument info header: 4 bytes */ +struct soundfont_voice_rec_hdr { + unsigned char bank; /* midi bank number */ + unsigned char instr; /* midi preset number */ + char nvoices; /* number of voices */ + char write_mode; /* write mode; normally 0 */ +#define SNDRV_SFNT_WR_APPEND 0 /* append anyway */ +#define SNDRV_SFNT_WR_EXCLUSIVE 1 /* skip if already exists */ +#define SNDRV_SFNT_WR_REPLACE 2 /* replace if already exists */ +}; + + +/* + * sample wave information + */ + +/* wave table sample header: 32 bytes */ +struct soundfont_sample_info { + unsigned short sf_id; /* file id (should be zero) */ + unsigned short sample; /* sample id */ + int start, end; /* start & end offset */ + int loopstart, loopend; /* loop start & end offset */ + int size; /* size (0 = ROM) */ + short dummy; /* not used */ + unsigned short mode_flags; /* mode flags */ +#define SNDRV_SFNT_SAMPLE_8BITS 1 /* wave data is 8bits */ +#define SNDRV_SFNT_SAMPLE_UNSIGNED 2 /* wave data is unsigned */ +#define SNDRV_SFNT_SAMPLE_NO_BLANK 4 /* no blank loop is attached */ +#define SNDRV_SFNT_SAMPLE_SINGLESHOT 8 /* single-shot w/o loop */ +#define SNDRV_SFNT_SAMPLE_BIDIR_LOOP 16 /* bidirectional looping */ +#define SNDRV_SFNT_SAMPLE_STEREO_LEFT 32 /* stereo left sound */ +#define SNDRV_SFNT_SAMPLE_STEREO_RIGHT 64 /* stereo right sound */ +#define SNDRV_SFNT_SAMPLE_REVERSE_LOOP 128 /* reverse looping */ + unsigned int truesize; /* used memory size (set by driver) */ +}; + + +/* + * voice preset mapping (aliasing) + */ + +struct soundfont_voice_map { + int map_bank, map_instr, map_key; /* key = -1 means all keys */ + int src_bank, src_instr, src_key; +}; + + +/* + * ioctls for hwdep + */ + +#define SNDRV_EMUX_HWDEP_NAME "Emux WaveTable" + +#define SNDRV_EMUX_VERSION ((1 << 16) | (0 << 8) | 0) /* 1.0.0 */ + +struct snd_emux_misc_mode { + int port; /* -1 = all */ + int mode; + int value; + int value2; /* reserved */ +}; + +#define SNDRV_EMUX_IOCTL_VERSION _IOR('H', 0x80, unsigned int) +#define SNDRV_EMUX_IOCTL_LOAD_PATCH _IOWR('H', 0x81, struct soundfont_patch_info) +#define SNDRV_EMUX_IOCTL_RESET_SAMPLES _IO('H', 0x82) +#define SNDRV_EMUX_IOCTL_REMOVE_LAST_SAMPLES _IO('H', 0x83) +#define SNDRV_EMUX_IOCTL_MEM_AVAIL _IOW('H', 0x84, int) +#define SNDRV_EMUX_IOCTL_MISC_MODE _IOWR('H', 0x84, struct snd_emux_misc_mode) + +#endif /* __SOUND_SFNT_INFO_H */ |