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*/ 36 #define SNDRV_SFNT_OPEN_PATCH 2 /* awe_open_parm */ 37 #define SNDRV_SFNT_CLOSE_PATCH 3 /* none */ 38 /* 4 is obsolete */ 39 #define SNDRV_SFNT_REPLACE_DATA 5 /* awe_sample_info (optarg=#channels)*/ 40 #define SNDRV_SFNT_MAP_PRESET 6 /* awe_voice_map */ 41 /* 7 is not used */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