include/uapi/sound/sfnt_info.h

   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 */
  39 struct 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  53         /* 4 is obsolete */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
  72 struct 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 */
  90 struct 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 */
 116 struct 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 */
 145 struct 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 */
 161 struct 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
 185 struct 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
 199 struct 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 */