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Diffstat (limited to 'include/sound/ainstr_iw.h')
| -rw-r--r-- | include/sound/ainstr_iw.h | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/include/sound/ainstr_iw.h b/include/sound/ainstr_iw.h new file mode 100644 index 0000000..8adf744 --- /dev/null +++ b/include/sound/ainstr_iw.h @@ -0,0 +1,373 @@ +/* + * 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 */ |
