/* * Advanced Linux Sound Architecture * * InterWave FFFF Instrument Format * Copyright (c) 1994-99 by Jaroslav Kysela <perex@suse.cz> * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #ifndef __SOUND_AINSTR_IW_H #define __SOUND_AINSTR_IW_H #ifndef __KERNEL__ #include <asm/types.h> #include <asm/byteorder.h> #endif /* * share types (share ID 1) */ #define IWFFFF_SHARE_FILE 0 /* * wave formats */ #define IWFFFF_WAVE_16BIT 0x0001 /* 16-bit wave */ #define IWFFFF_WAVE_UNSIGNED 0x0002 /* unsigned wave */ #define IWFFFF_WAVE_INVERT 0x0002 /* same as unsigned wave */ #define IWFFFF_WAVE_BACKWARD 0x0004 /* backward mode (maybe used for reverb or ping-ping loop) */ #define IWFFFF_WAVE_LOOP 0x0008 /* loop mode */ #define IWFFFF_WAVE_BIDIR 0x0010 /* bidirectional mode */ #define IWFFFF_WAVE_ULAW 0x0020 /* uLaw compressed wave */ #define IWFFFF_WAVE_RAM 0x0040 /* wave is _preloaded_ in RAM (it is used for ROM simulation) */ #define IWFFFF_WAVE_ROM 0x0080 /* wave is in ROM */ #define IWFFFF_WAVE_STEREO 0x0100 /* wave is stereo */ /* * Wavetable definitions */ typedef struct iwffff_wave { unsigned int share_id[4]; /* share id - zero = no sharing */ unsigned int format; /* wave format */ struct { unsigned int number; /* some other ID for this wave */ unsigned int memory; /* begin of waveform in onboard memory */ unsigned char *ptr; /* pointer to waveform in system memory */ } address; unsigned int size; /* size of waveform in samples */ unsigned int start; /* start offset in samples * 16 (lowest 4 bits - fraction) */ unsigned int loop_start; /* bits loop start offset in samples * 16 (lowest 4 bits - fraction) */ unsigned int loop_end; /* loop start offset in samples * 16 (lowest 4 bits - fraction) */ unsigned short loop_repeat; /* loop repeat - 0 = forever */ unsigned int sample_ratio; /* sample ratio (44100 * 1024 / rate) */ unsigned char attenuation; /* 0 - 127 (no corresponding midi controller) */ unsigned char low_note; /* lower frequency range for this waveform */ unsigned char high_note; /* higher frequency range for this waveform */ unsigned char pad; struct iwffff_wave *next; } iwffff_wave_t; /* * Layer */ #define IWFFFF_LFO_SHAPE_TRIANGLE 0 #define IWFFFF_LFO_SHAPE_POSTRIANGLE 1 typedef struct iwffff_lfo { unsigned short freq; /* (0-2047) 0.01Hz - 21.5Hz */ signed short depth; /* volume +- (0-255) 0.48675dB/step */ signed short sweep; /* 0 - 950 deciseconds */ unsigned char shape; /* see to IWFFFF_LFO_SHAPE_XXXX */ unsigned char delay; /* 0 - 255 deciseconds */ } iwffff_lfo_t; #define IWFFFF_ENV_FLAG_RETRIGGER 0x0001 /* flag - retrigger */ #define IWFFFF_ENV_MODE_ONE_SHOT 0x0001 /* mode - one shot */ #define IWFFFF_ENV_MODE_SUSTAIN 0x0002 /* mode - sustain */ #define IWFFFF_ENV_MODE_NO_SUSTAIN 0x0003 /* mode - no sustain */ #define IWFFFF_ENV_INDEX_VELOCITY 0x0001 /* index - velocity */ #define IWFFFF_ENV_INDEX_FREQUENCY 0x0002 /* index - frequency */ typedef struct iwffff_env_point { unsigned short offset; unsigned short rate; } iwffff_env_point_t; typedef struct iwffff_env_record { unsigned short nattack; unsigned short nrelease; unsigned short sustain_offset; unsigned short sustain_rate; unsigned short release_rate; unsigned char hirange; unsigned char pad; struct iwffff_env_record *next; /* points are stored here */ /* count of points = nattack + nrelease */ } iwffff_env_record_t; typedef struct iwffff_env { unsigned char flags; unsigned char mode; unsigned char index; unsigned char pad; struct iwffff_env_record *record; } iwffff_env_t; #define IWFFFF_LAYER_FLAG_RETRIGGER 0x0001 /* retrigger */ #define IWFFFF_LAYER_VELOCITY_TIME 0x0000 /* velocity mode = time */ #define IWFFFF_LAYER_VELOCITY_RATE 0x0001 /* velocity mode = rate */ #define IWFFFF_LAYER_EVENT_KUP 0x0000 /* layer event - key up */ #define IWFFFF_LAYER_EVENT_KDOWN 0x0001 /* layer event - key down */ #define IWFFFF_LAYER_EVENT_RETRIG 0x0002 /* layer event - retrigger */ #define IWFFFF_LAYER_EVENT_LEGATO 0x0003 /* layer event - legato */ typedef struct iwffff_layer { unsigned char flags; unsigned char velocity_mode; unsigned char layer_event; unsigned char low_range; /* range for layer based */ unsigned char high_range; /* on either velocity or frequency */ unsigned char pan; /* pan offset from CC1 (0 left - 127 right) */ unsigned char pan_freq_scale; /* position based on frequency (0-127) */ unsigned char attenuation; /* 0-127 (no corresponding midi controller) */ iwffff_lfo_t tremolo; /* tremolo effect */ iwffff_lfo_t vibrato; /* vibrato effect */ unsigned short freq_scale; /* 0-2048, 1024 is equal to semitone scaling */ unsigned char freq_center; /* center for keyboard frequency scaling */ unsigned char pad; iwffff_env_t penv; /* pitch envelope */ iwffff_env_t venv; /* volume envelope */ iwffff_wave_t *wave; struct iwffff_layer *next; } iwffff_layer_t; /* * Instrument */ #define IWFFFF_EXCLUDE_NONE 0x0000 /* exclusion mode - none */ #define IWFFFF_EXCLUDE_SINGLE 0x0001 /* exclude single - single note from the instrument group */ #define IWFFFF_EXCLUDE_MULTIPLE 0x0002 /* exclude multiple - stop only same note from this instrument */ #define IWFFFF_LAYER_NONE 0x0000 /* not layered */ #define IWFFFF_LAYER_ON 0x0001 /* layered */ #define IWFFFF_LAYER_VELOCITY 0x0002 /* layered by velocity */ #define IWFFFF_LAYER_FREQUENCY 0x0003 /* layered by frequency */ #define IWFFFF_EFFECT_NONE 0 #define IWFFFF_EFFECT_REVERB 1 #define IWFFFF_EFFECT_CHORUS 2 #define IWFFFF_EFFECT_ECHO 3 typedef struct { unsigned short exclusion; unsigned short layer_type; unsigned short exclusion_group; /* 0 - none, 1-65535 */ unsigned char effect1; /* effect 1 */ unsigned char effect1_depth; /* 0-127 */ unsigned char effect2; /* effect 2 */ unsigned char effect2_depth; /* 0-127 */ iwffff_layer_t *layer; /* first layer */ } iwffff_instrument_t; /* * * Kernel <-> user space * Hardware (CPU) independent section * * * = zero or more * + = one or more * * iwffff_xinstrument IWFFFF_STRU_INSTR * +iwffff_xlayer IWFFFF_STRU_LAYER * *iwffff_xenv_record IWFFFF_STRU_ENV_RECT (tremolo) * *iwffff_xenv_record IWFFFF_STRU_EVN_RECT (vibrato) * +iwffff_xwave IWFFFF_STRU_WAVE * */ #define IWFFFF_STRU_WAVE __cpu_to_be32(('W'<<24)|('A'<<16)|('V'<<8)|'E') #define IWFFFF_STRU_ENV_RECP __cpu_to_be32(('E'<<24)|('N'<<16)|('R'<<8)|'P') #define IWFFFF_STRU_ENV_RECV __cpu_to_be32(('E'<<24)|('N'<<16)|('R'<<8)|'V') #define IWFFFF_STRU_LAYER __cpu_to_be32(('L'<<24)|('A'<<16)|('Y'<<8)|'R') #define IWFFFF_STRU_INSTR __cpu_to_be32(('I'<<24)|('N'<<16)|('S'<<8)|'T') /* * Wavetable definitions */ typedef struct iwffff_xwave { __u32 stype; /* structure type */ __u32 share_id[4]; /* share id - zero = no sharing */ __u32 format; /* wave format */ __u32 offset; /* offset to ROM (address) */ __u32 size; /* size of waveform in samples */ __u32 start; /* start offset in samples * 16 (lowest 4 bits - fraction) */ __u32 loop_start; /* bits loop start offset in samples * 16 (lowest 4 bits - fraction) */ __u32 loop_end; /* loop start offset in samples * 16 (lowest 4 bits - fraction) */ __u16 loop_repeat; /* loop repeat - 0 = forever */ __u32 sample_ratio; /* sample ratio (44100 * 1024 / rate) */ __u8 attenuation; /* 0 - 127 (no corresponding midi controller) */ __u8 low_note; /* lower frequency range for this waveform */ __u8 high_note; /* higher frequency range for this waveform */ __u8 pad; } iwffff_xwave_t; /* * Layer */ typedef struct iwffff_xlfo { __u16 freq; /* (0-2047) 0.01Hz - 21.5Hz */ __s16 depth; /* volume +- (0-255) 0.48675dB/step */ __s16 sweep; /* 0 - 950 deciseconds */ __u8 shape; /* see to ULTRA_IW_LFO_SHAPE_XXXX */ __u8 delay; /* 0 - 255 deciseconds */ } iwffff_xlfo_t; typedef struct iwffff_xenv_point { __u16 offset; __u16 rate; } iwffff_xenv_point_t; typedef struct iwffff_xenv_record { __u32 stype; __u16 nattack; __u16 nrelease; __u16 sustain_offset; __u16 sustain_rate; __u16 release_rate; __u8 hirange; __u8 pad; /* points are stored here.. */ /* count of points = nattack + nrelease */ } iwffff_xenv_record_t; typedef struct iwffff_xenv { __u8 flags; __u8 mode; __u8 index; __u8 pad; } iwffff_xenv_t; typedef struct iwffff_xlayer { __u32 stype; __u8 flags; __u8 velocity_mode; __u8 layer_event; __u8 low_range; /* range for layer based */ __u8 high_range; /* on either velocity or frequency */ __u8 pan; /* pan offset from CC1 (0 left - 127 right) */ __u8 pan_freq_scale; /* position based on frequency (0-127) */ __u8 attenuation; /* 0-127 (no corresponding midi controller) */ iwffff_xlfo_t tremolo; /* tremolo effect */ iwffff_xlfo_t vibrato; /* vibrato effect */ __u16 freq_scale; /* 0-2048, 1024 is equal to semitone scaling */ __u8 freq_center; /* center for keyboard frequency scaling */ __u8 pad; iwffff_xenv_t penv; /* pitch envelope */ iwffff_xenv_t venv; /* volume envelope */ } iwffff_xlayer_t; /* * Instrument */ typedef struct iwffff_xinstrument { __u32 stype; __u16 exclusion; __u16 layer_type; __u16 exclusion_group; /* 0 - none, 1-65535 */ __u8 effect1; /* effect 1 */ __u8 effect1_depth; /* 0-127 */ __u8 effect2; /* effect 2 */ __u8 effect2_depth; /* 0-127 */ } iwffff_xinstrument_t; /* * ROM support * InterWave ROMs are Little-Endian (x86) */ #define IWFFFF_ROM_HDR_SIZE 512 typedef struct { __u8 iwave[8]; __u8 revision; __u8 series_number; __u8 series_name[16]; __u8 date[10]; __u16 vendor_revision_major; __u16 vendor_revision_minor; __u32 rom_size; __u8 copyright[128]; __u8 vendor_name[64]; __u8 description[128]; } iwffff_rom_header_t; /* * Instrument info */ #define IWFFFF_INFO_LFO_VIBRATO (1<<0) #define IWFFFF_INFO_LFO_VIBRATO_SHAPE (1<<1) #define IWFFFF_INFO_LFO_TREMOLO (1<<2) #define IWFFFF_INFO_LFO_TREMOLO_SHAPE (1<<3) typedef struct iwffff_info { unsigned int format; /* supported format bits */ unsigned int effects; /* supported effects (1 << IWFFFF_EFFECT*) */ unsigned int lfos; /* LFO effects */ unsigned int max8_len; /* maximum 8-bit wave length */ unsigned int max16_len; /* maximum 16-bit wave length */ } iwffff_info_t; #ifdef __KERNEL__ #include "seq_instr.h" typedef struct { void *private_data; int (*info)(void *private_data, iwffff_info_t *info); int (*put_sample)(void *private_data, iwffff_wave_t *wave, char __user *data, long len, int atomic); int (*get_sample)(void *private_data, iwffff_wave_t *wave, char __user *data, long len, int atomic); int (*remove_sample)(void *private_data, iwffff_wave_t *wave, int atomic); void (*notify)(void *private_data, snd_seq_kinstr_t *instr, int what); snd_seq_kinstr_ops_t kops; } snd_iwffff_ops_t; int snd_seq_iwffff_init(snd_iwffff_ops_t *ops, void *private_data, snd_seq_kinstr_ops_t *next); #endif #endif /* __SOUND_AINSTR_IW_H */