1 /* 2 * Advanced Linux Sound Architecture 3 * 4 * InterWave FFFF Instrument Format 5 * Copyright (c) 1994-99 by Jaroslav Kysela <perex (at) perex.cz> 6 * 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 * 22 */ 23 24 #ifndef __SOUND_AINSTR_IW_H 25 #define __SOUND_AINSTR_IW_H 26 27 #ifndef __KERNEL__ 28 #include <asm/types.h> 29 #include <asm/byteorder.h> 30 #endif 31 32 /* 33 * share types (share ID 1) 34 */ 35 36 #define IWFFFF_SHARE_FILE 0 37 38 /* 39 * wave formats 40 */ 41 42 #define IWFFFF_WAVE_16BIT 0x0001 /* 16-bit wave */ 43 #define IWFFFF_WAVE_UNSIGNED 0x0002 /* unsigned wave */ 44 #define IWFFFF_WAVE_INVERT 0x0002 /* same as unsigned wave */ 45 #define IWFFFF_WAVE_BACKWARD 0x0004 /* backward mode (maybe used for reverb or ping-ping loop) */ 46 #define IWFFFF_WAVE_LOOP 0x0008 /* loop mode */ 47 #define IWFFFF_WAVE_BIDIR 0x0010 /* bidirectional mode */ 48 #define IWFFFF_WAVE_ULAW 0x0020 /* uLaw compressed wave */ 49 #define IWFFFF_WAVE_RAM 0x0040 /* wave is _preloaded_ in RAM (it is used for ROM simulation) */ 50 #define IWFFFF_WAVE_ROM 0x0080 /* wave is in ROM */ 51 #define IWFFFF_WAVE_STEREO 0x0100 /* wave is stereo */ 52 53 /* 54 * Wavetable definitions 55 */ 56 57 struct iwffff_wave { 58 unsigned int share_id[4]; /* share id - zero = no sharing */ 59 unsigned int format; /* wave format */ 60 61 struct { 62 unsigned int number; /* some other ID for this wave */ 63 unsigned int memory; /* begin of waveform in onboard memory */ 64 unsigned char *ptr; /* pointer to waveform in system memory */ 65 } address; 66 67 unsigned int size; /* size of waveform in samples */ 68 unsigned int start; /* start offset in samples * 16 (lowest 4 bits - fraction) */ 69 unsigned int loop_start; /* bits loop start offset in samples * 16 (lowest 4 bits - fraction) */ 70 unsigned int loop_end; /* loop start offset in samples * 16 (lowest 4 bits - fraction) */ 71 unsigned short loop_repeat; /* loop repeat - 0 = forever */ 72 unsigned int sample_ratio; /* sample ratio (44100 * 1024 / rate) */ 73 unsigned char attenuation; /* 0 - 127 (no corresponding midi controller) */ 74 unsigned char low_note; /* lower frequency range for this waveform */ 75 unsigned char high_note; /* higher frequency range for this waveform */ 76 unsigned char pad; 77 78 struct iwffff_wave *next; 79 }; 80 81 /* 82 * Layer 83 */ 84 85 #define IWFFFF_LFO_SHAPE_TRIANGLE 0 86 #define IWFFFF_LFO_SHAPE_POSTRIANGLE 1 87 88 struct iwffff_lfo { 89 unsigned short freq; /* (0-2047) 0.01Hz - 21.5Hz */ 90 signed short depth; /* volume +- (0-255) 0.48675dB/step */ 91 signed short sweep; /* 0 - 950 deciseconds */ 92 unsigned char shape; /* see to IWFFFF_LFO_SHAPE_XXXX */ 93 unsigned char delay; /* 0 - 255 deciseconds */ 94 }; 95 96 #define IWFFFF_ENV_FLAG_RETRIGGER 0x0001 /* flag - retrigger */ 97 98 #define IWFFFF_ENV_MODE_ONE_SHOT 0x0001 /* mode - one shot */ 99 #define IWFFFF_ENV_MODE_SUSTAIN 0x0002 /* mode - sustain */ 100 #define IWFFFF_ENV_MODE_NO_SUSTAIN 0x0003 /* mode - no sustain */ 101 102 #define IWFFFF_ENV_INDEX_VELOCITY 0x0001 /* index - velocity */ 103 #define IWFFFF_ENV_INDEX_FREQUENCY 0x0002 /* index - frequency */ 104 105 struct iwffff_env_point { 106 unsigned short offset; 107 unsigned short rate; 108 }; 109 110 struct iwffff_env_record { 111 unsigned short nattack; 112 unsigned short nrelease; 113 unsigned short sustain_offset; 114 unsigned short sustain_rate; 115 unsigned short release_rate; 116 unsigned char hirange; 117 unsigned char pad; 118 struct iwffff_env_record *next; 119 /* points are stored here */ 120 /* count of points = nattack + nrelease */ 121 }; 122 123 struct iwffff_env { 124 unsigned char flags; 125 unsigned char mode; 126 unsigned char index; 127 unsigned char pad; 128 struct iwffff_env_record *record; 129 }; 130 131 #define IWFFFF_LAYER_FLAG_RETRIGGER 0x0001 /* retrigger */ 132 133 #define IWFFFF_LAYER_VELOCITY_TIME 0x0000 /* velocity mode = time */ 134 #define IWFFFF_LAYER_VELOCITY_RATE 0x0001 /* velocity mode = rate */ 135 136 #define IWFFFF_LAYER_EVENT_KUP 0x0000 /* layer event - key up */ 137 #define IWFFFF_LAYER_EVENT_KDOWN 0x0001 /* layer event - key down */ 138 #define IWFFFF_LAYER_EVENT_RETRIG 0x0002 /* layer event - retrigger */ 139 #define IWFFFF_LAYER_EVENT_LEGATO 0x0003 /* layer event - legato */ 140 141 struct iwffff_layer { 142 unsigned char flags; 143 unsigned char velocity_mode; 144 unsigned char layer_event; 145 unsigned char low_range; /* range for layer based */ 146 unsigned char high_range; /* on either velocity or frequency */ 147 unsigned char pan; /* pan offset from CC1 (0 left - 127 right) */ 148 unsigned char pan_freq_scale; /* position based on frequency (0-127) */ 149 unsigned char attenuation; /* 0-127 (no corresponding midi controller) */ 150 struct iwffff_lfo tremolo; /* tremolo effect */ 151 struct iwffff_lfo vibrato; /* vibrato effect */ 152 unsigned short freq_scale; /* 0-2048, 1024 is equal to semitone scaling */ 153 unsigned char freq_center; /* center for keyboard frequency scaling */ 154 unsigned char pad; 155 struct iwffff_env penv; /* pitch envelope */ 156 struct iwffff_env venv; /* volume envelope */ 157 158 struct iwffff_wave *wave; 159 struct iwffff_layer *next; 160 }; 161 162 /* 163 * Instrument 164 */ 165 166 #define IWFFFF_EXCLUDE_NONE 0x0000 /* exclusion mode - none */ 167 #define IWFFFF_EXCLUDE_SINGLE 0x0001 /* exclude single - single note from the instrument group */ 168 #define IWFFFF_EXCLUDE_MULTIPLE 0x0002 /* exclude multiple - stop only same note from this instrument */ 169 170 #define IWFFFF_LAYER_NONE 0x0000 /* not layered */ 171 #define IWFFFF_LAYER_ON 0x0001 /* layered */ 172 #define IWFFFF_LAYER_VELOCITY 0x0002 /* layered by velocity */ 173 #define IWFFFF_LAYER_FREQUENCY 0x0003 /* layered by frequency */ 174 175 #define IWFFFF_EFFECT_NONE 0 176 #define IWFFFF_EFFECT_REVERB 1 177 #define IWFFFF_EFFECT_CHORUS 2 178 #define IWFFFF_EFFECT_ECHO 3 179 180 struct iwffff_instrument { 181 unsigned short exclusion; 182 unsigned short layer_type; 183 unsigned short exclusion_group; /* 0 - none, 1-65535 */ 184 185 unsigned char effect1; /* effect 1 */ 186 unsigned char effect1_depth; /* 0-127 */ 187 unsigned char effect2; /* effect 2 */ 188 unsigned char effect2_depth; /* 0-127 */ 189 190 struct iwffff_layer *layer; /* first layer */ 191 }; 192 193 /* 194 * 195 * Kernel <-> user space 196 * Hardware (CPU) independent section 197 * 198 * * = zero or more 199 * + = one or more 200 * 201 * iwffff_xinstrument IWFFFF_STRU_INSTR 202 * +iwffff_xlayer IWFFFF_STRU_LAYER 203 * *iwffff_xenv_record IWFFFF_STRU_ENV_RECT (tremolo) 204 * *iwffff_xenv_record IWFFFF_STRU_EVN_RECT (vibrato) 205 * +iwffff_xwave IWFFFF_STRU_WAVE 206 * 207 */ 208 209 #define IWFFFF_STRU_WAVE __cpu_to_be32(('W'<<24)|('A'<<16)|('V'<<8)|'E') 210 #define IWFFFF_STRU_ENV_RECP __cpu_to_be32(('E'<<24)|('N'<<16)|('R'<<8)|'P') 211 #define IWFFFF_STRU_ENV_RECV __cpu_to_be32(('E'<<24)|('N'<<16)|('R'<<8)|'V') 212 #define IWFFFF_STRU_LAYER __cpu_to_be32(('L'<<24)|('A'<<16)|('Y'<<8)|'R') 213 #define IWFFFF_STRU_INSTR __cpu_to_be32(('I'<<24)|('N'<<16)|('S'<<8)|'T') 214 215 /* 216 * Wavetable definitions 217 */ 218 219 struct iwffff_xwave { 220 __u32 stype; /* structure type */ 221 222 __u32 share_id[4]; /* share id - zero = no sharing */ 223 224 __u32 format; /* wave format */ 225 __u32 offset; /* offset to ROM (address) */ 226 227 __u32 size; /* size of waveform in samples */ 228 __u32 start; /* start offset in samples * 16 (lowest 4 bits - fraction) */ 229 __u32 loop_start; /* bits loop start offset in samples * 16 (lowest 4 bits - fraction) */ 230 __u32 loop_end; /* loop start offset in samples * 16 (lowest 4 bits - fraction) */ 231 __u16 loop_repeat; /* loop repeat - 0 = forever */ 232 __u32 sample_ratio; /* sample ratio (44100 * 1024 / rate) */ 233 __u8 attenuation; /* 0 - 127 (no corresponding midi controller) */ 234 __u8 low_note; /* lower frequency range for this waveform */ 235 __u8 high_note; /* higher frequency range for this waveform */ 236 __u8 pad; 237 }; 238 239 /* 240 * Layer 241 */ 242 243 struct iwffff_xlfo { 244 __u16 freq; /* (0-2047) 0.01Hz - 21.5Hz */ 245 __s16 depth; /* volume +- (0-255) 0.48675dB/step */ 246 __s16 sweep; /* 0 - 950 deciseconds */ 247 __u8 shape; /* see to ULTRA_IW_LFO_SHAPE_XXXX */ 248 __u8 delay; /* 0 - 255 deciseconds */ 249 }; 250 251 struct iwffff_xenv_point { 252 __u16 offset; 253 __u16 rate; 254 }; 255 256 struct iwffff_xenv_record { 257 __u32 stype; 258 __u16 nattack; 259 __u16 nrelease; 260 __u16 sustain_offset; 261 __u16 sustain_rate; 262 __u16 release_rate; 263 __u8 hirange; 264 __u8 pad; 265 /* points are stored here.. */ 266 /* count of points = nattack + nrelease */ 267 }; 268 269 struct iwffff_xenv { 270 __u8 flags; 271 __u8 mode; 272 __u8 index; 273 __u8 pad; 274 }; 275 276 struct iwffff_xlayer { 277 __u32 stype; 278 __u8 flags; 279 __u8 velocity_mode; 280 __u8 layer_event; 281 __u8 low_range; /* range for layer based */ 282 __u8 high_range; /* on either velocity or frequency */ 283 __u8 pan; /* pan offset from CC1 (0 left - 127 right) */ 284 __u8 pan_freq_scale; /* position based on frequency (0-127) */ 285 __u8 attenuation; /* 0-127 (no corresponding midi controller) */ 286 struct iwffff_xlfo tremolo; /* tremolo effect */ 287 struct iwffff_xlfo vibrato; /* vibrato effect */ 288 __u16 freq_scale; /* 0-2048, 1024 is equal to semitone scaling */ 289 __u8 freq_center; /* center for keyboard frequency scaling */ 290 __u8 pad; 291 struct iwffff_xenv penv; /* pitch envelope */ 292 struct iwffff_xenv venv; /* volume envelope */ 293 }; 294 295 /* 296 * Instrument 297 */ 298 299 struct iwffff_xinstrument { 300 __u32 stype; 301 302 __u16 exclusion; 303 __u16 layer_type; 304 __u16 exclusion_group; /* 0 - none, 1-65535 */ 305 306 __u8 effect1; /* effect 1 */ 307 __u8 effect1_depth; /* 0-127 */ 308 __u8 effect2; /* effect 2 */ 309 __u8 effect2_depth; /* 0-127 */ 310 }; 311 312 /* 313 * ROM support 314 * InterWave ROMs are Little-Endian (x86) 315 */ 316 317 #define IWFFFF_ROM_HDR_SIZE 512 318 319 struct iwffff_rom_header { 320 __u8 iwave[8]; 321 __u8 revision; 322 __u8 series_number; 323 __u8 series_name[16]; 324 __u8 date[10]; 325 __u16 vendor_revision_major; 326 __u16 vendor_revision_minor; 327 __u32 rom_size; 328 __u8 copyright[128]; 329 __u8 vendor_name[64]; 330 __u8 description[128]; 331 }; 332 333 /* 334 * Instrument info 335 */ 336 337 #define IWFFFF_INFO_LFO_VIBRATO (1<<0) 338 #define IWFFFF_INFO_LFO_VIBRATO_SHAPE (1<<1) 339 #define IWFFFF_INFO_LFO_TREMOLO (1<<2) 340 #define IWFFFF_INFO_LFO_TREMOLO_SHAPE (1<<3) 341 342 struct iwffff_info { 343 unsigned int format; /* supported format bits */ 344 unsigned int effects; /* supported effects (1 << IWFFFF_EFFECT*) */ 345 unsigned int lfos; /* LFO effects */ 346 unsigned int max8_len; /* maximum 8-bit wave length */ 347 unsigned int max16_len; /* maximum 16-bit wave length */ 348 }; 349 350 #ifdef __KERNEL__ 351 352 #include "seq_instr.h" 353 354 struct snd_iwffff_ops { 355 void *private_data; 356 int (*info)(void *private_data, struct iwffff_info *info); 357 int (*put_sample)(void *private_data, struct iwffff_wave *wave, 358 char __user *data, long len, int atomic); 359 int (*get_sample)(void *private_data, struct iwffff_wave *wave, 360 char __user *data, long len, int atomic); 361 int (*remove_sample)(void *private_data, struct iwffff_wave *wave, 362 int atomic); 363 void (*notify)(void *private_data, struct snd_seq_kinstr *instr, int what); 364 struct snd_seq_kinstr_ops kops; 365 }; 366 367 int snd_seq_iwffff_init(struct snd_iwffff_ops *ops, 368 void *private_data, 369 struct snd_seq_kinstr_ops *next); 370 371 #endif 372 373 /* typedefs for compatibility to user-space */ 374 typedef struct iwffff_xwave iwffff_xwave_t; 375 typedef struct iwffff_xlfo iwffff_xlfo_t; 376 typedef struct iwffff_xenv_point iwffff_xenv_point_t; 377 typedef struct iwffff_xenv_record iwffff_xenv_record_t; 378 typedef struct iwffff_xenv iwffff_xenv_t; 379 typedef struct iwffff_xlayer iwffff_xlayer_t; 380 typedef struct iwffff_xinstrument iwffff_xinstrument_t; 381 typedef struct iwffff_rom_header iwffff_rom_header_t; 382 typedef struct iwffff_info iwffff_info_t; 383 384 #endif /* __SOUND_AINSTR_IW_H */ 385
