sfnt_info.h (7494B)
1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2#ifndef __SOUND_SFNT_INFO_H 3#define __SOUND_SFNT_INFO_H 4 5/* 6 * Patch record compatible with AWE driver on OSS 7 * 8 * Copyright (C) 1999-2000 Takashi Iwai 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 * 24 */ 25 26#include <sound/asound.h> 27 28/* 29 * patch information record 30 */ 31 32#ifdef SNDRV_BIG_ENDIAN 33#define SNDRV_OSS_PATCHKEY(id) (0xfd00|id) 34#else 35#define SNDRV_OSS_PATCHKEY(id) ((id<<8)|0xfd) 36#endif 37 38/* patch interface header: 16 bytes */ 39struct soundfont_patch_info { 40 unsigned short key; /* use the key below */ 41#define SNDRV_OSS_SOUNDFONT_PATCH SNDRV_OSS_PATCHKEY(0x07) 42 43 short device_no; /* synthesizer number */ 44 unsigned short sf_id; /* file id (should be zero) */ 45 short optarg; /* optional argument */ 46 int len; /* data length (without this header) */ 47 48 short type; /* patch operation type */ 49#define SNDRV_SFNT_LOAD_INFO 0 /* awe_voice_rec */ 50#define SNDRV_SFNT_LOAD_DATA 1 /* awe_sample_info */ 51#define SNDRV_SFNT_OPEN_PATCH 2 /* awe_open_parm */ 52#define SNDRV_SFNT_CLOSE_PATCH 3 /* none */ 53 /* 4 is obsolete */ 54#define SNDRV_SFNT_REPLACE_DATA 5 /* awe_sample_info (optarg=#channels)*/ 55#define SNDRV_SFNT_MAP_PRESET 6 /* awe_voice_map */ 56 /* 7 is not used */ 57#define SNDRV_SFNT_PROBE_DATA 8 /* optarg=sample */ 58#define SNDRV_SFNT_REMOVE_INFO 9 /* optarg=(bank<<8)|instr */ 59 60 short reserved; /* word alignment data */ 61 62 /* the actual patch data begins after this */ 63}; 64 65 66/* 67 * open patch 68 */ 69 70#define SNDRV_SFNT_PATCH_NAME_LEN 32 71 72struct soundfont_open_parm { 73 unsigned short type; /* sample type */ 74#define SNDRV_SFNT_PAT_TYPE_MISC 0 75#define SNDRV_SFNT_PAT_TYPE_GUS 6 76#define SNDRV_SFNT_PAT_TYPE_MAP 7 77#define SNDRV_SFNT_PAT_LOCKED 0x100 /* lock the samples */ 78#define SNDRV_SFNT_PAT_SHARED 0x200 /* sample is shared */ 79 80 short reserved; 81 char name[SNDRV_SFNT_PATCH_NAME_LEN]; 82}; 83 84 85/* 86 * raw voice information record 87 */ 88 89/* wave table envelope & effect parameters to control EMU8000 */ 90struct soundfont_voice_parm { 91 unsigned short moddelay; /* modulation delay (0x8000) */ 92 unsigned short modatkhld; /* modulation attack & hold time (0x7f7f) */ 93 unsigned short moddcysus; /* modulation decay & sustain (0x7f7f) */ 94 unsigned short modrelease; /* modulation release time (0x807f) */ 95 short modkeyhold, modkeydecay; /* envelope change per key (not used) */ 96 unsigned short voldelay; /* volume delay (0x8000) */ 97 unsigned short volatkhld; /* volume attack & hold time (0x7f7f) */ 98 unsigned short voldcysus; /* volume decay & sustain (0x7f7f) */ 99 unsigned short volrelease; /* volume release time (0x807f) */ 100 short volkeyhold, volkeydecay; /* envelope change per key (not used) */ 101 unsigned short lfo1delay; /* LFO1 delay (0x8000) */ 102 unsigned short lfo2delay; /* LFO2 delay (0x8000) */ 103 unsigned short pefe; /* modulation pitch & cutoff (0x0000) */ 104 unsigned short fmmod; /* LFO1 pitch & cutoff (0x0000) */ 105 unsigned short tremfrq; /* LFO1 volume & freq (0x0000) */ 106 unsigned short fm2frq2; /* LFO2 pitch & freq (0x0000) */ 107 unsigned char cutoff; /* initial cutoff (0xff) */ 108 unsigned char filterQ; /* initial filter Q [0-15] (0x0) */ 109 unsigned char chorus; /* chorus send (0x00) */ 110 unsigned char reverb; /* reverb send (0x00) */ 111 unsigned short reserved[4]; /* not used */ 112}; 113 114 115/* wave table parameters: 92 bytes */ 116struct soundfont_voice_info { 117 unsigned short sf_id; /* file id (should be zero) */ 118 unsigned short sample; /* sample id */ 119 int start, end; /* sample offset correction */ 120 int loopstart, loopend; /* loop offset correction */ 121 short rate_offset; /* sample rate pitch offset */ 122 unsigned short mode; /* sample mode */ 123#define SNDRV_SFNT_MODE_ROMSOUND 0x8000 124#define SNDRV_SFNT_MODE_STEREO 1 125#define SNDRV_SFNT_MODE_LOOPING 2 126#define SNDRV_SFNT_MODE_NORELEASE 4 /* obsolete */ 127#define SNDRV_SFNT_MODE_INIT_PARM 8 128 129 short root; /* midi root key */ 130 short tune; /* pitch tuning (in cents) */ 131 unsigned char low, high; /* key note range */ 132 unsigned char vellow, velhigh; /* velocity range */ 133 signed char fixkey, fixvel; /* fixed key, velocity */ 134 signed char pan, fixpan; /* panning, fixed panning */ 135 short exclusiveClass; /* exclusive class (0 = none) */ 136 unsigned char amplitude; /* sample volume (127 max) */ 137 unsigned char attenuation; /* attenuation (0.375dB) */ 138 short scaleTuning; /* pitch scale tuning(%), normally 100 */ 139 struct soundfont_voice_parm parm; /* voice envelope parameters */ 140 unsigned short sample_mode; /* sample mode_flag (set by driver) */ 141}; 142 143 144/* instrument info header: 4 bytes */ 145struct soundfont_voice_rec_hdr { 146 unsigned char bank; /* midi bank number */ 147 unsigned char instr; /* midi preset number */ 148 char nvoices; /* number of voices */ 149 char write_mode; /* write mode; normally 0 */ 150#define SNDRV_SFNT_WR_APPEND 0 /* append anyway */ 151#define SNDRV_SFNT_WR_EXCLUSIVE 1 /* skip if already exists */ 152#define SNDRV_SFNT_WR_REPLACE 2 /* replace if already exists */ 153}; 154 155 156/* 157 * sample wave information 158 */ 159 160/* wave table sample header: 32 bytes */ 161struct soundfont_sample_info { 162 unsigned short sf_id; /* file id (should be zero) */ 163 unsigned short sample; /* sample id */ 164 int start, end; /* start & end offset */ 165 int loopstart, loopend; /* loop start & end offset */ 166 int size; /* size (0 = ROM) */ 167 short dummy; /* not used */ 168 unsigned short mode_flags; /* mode flags */ 169#define SNDRV_SFNT_SAMPLE_8BITS 1 /* wave data is 8bits */ 170#define SNDRV_SFNT_SAMPLE_UNSIGNED 2 /* wave data is unsigned */ 171#define SNDRV_SFNT_SAMPLE_NO_BLANK 4 /* no blank loop is attached */ 172#define SNDRV_SFNT_SAMPLE_SINGLESHOT 8 /* single-shot w/o loop */ 173#define SNDRV_SFNT_SAMPLE_BIDIR_LOOP 16 /* bidirectional looping */ 174#define SNDRV_SFNT_SAMPLE_STEREO_LEFT 32 /* stereo left sound */ 175#define SNDRV_SFNT_SAMPLE_STEREO_RIGHT 64 /* stereo right sound */ 176#define SNDRV_SFNT_SAMPLE_REVERSE_LOOP 128 /* reverse looping */ 177 unsigned int truesize; /* used memory size (set by driver) */ 178}; 179 180 181/* 182 * voice preset mapping (aliasing) 183 */ 184 185struct soundfont_voice_map { 186 int map_bank, map_instr, map_key; /* key = -1 means all keys */ 187 int src_bank, src_instr, src_key; 188}; 189 190 191/* 192 * ioctls for hwdep 193 */ 194 195#define SNDRV_EMUX_HWDEP_NAME "Emux WaveTable" 196 197#define SNDRV_EMUX_VERSION ((1 << 16) | (0 << 8) | 0) /* 1.0.0 */ 198 199struct snd_emux_misc_mode { 200 int port; /* -1 = all */ 201 int mode; 202 int value; 203 int value2; /* reserved */ 204}; 205 206#define SNDRV_EMUX_IOCTL_VERSION _IOR('H', 0x80, unsigned int) 207#define SNDRV_EMUX_IOCTL_LOAD_PATCH _IOWR('H', 0x81, struct soundfont_patch_info) 208#define SNDRV_EMUX_IOCTL_RESET_SAMPLES _IO('H', 0x82) 209#define SNDRV_EMUX_IOCTL_REMOVE_LAST_SAMPLES _IO('H', 0x83) 210#define SNDRV_EMUX_IOCTL_MEM_AVAIL _IOW('H', 0x84, int) 211#define SNDRV_EMUX_IOCTL_MISC_MODE _IOWR('H', 0x84, struct snd_emux_misc_mode) 212 213#endif /* __SOUND_SFNT_INFO_H */