/*
* Advanced Linux Sound Architecture
*
* InterWave FFFF Instrument Format
* Copyright (c) 1994-99 by Jaroslav Kysela <perex@perex.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
*/
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;
};
/*
* Layer
*/
#define IWFFFF_LFO_SHAPE_TRIANGLE 0
#define IWFFFF_LFO_SHAPE_POSTRIANGLE 1
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 */
};
#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 */
struct iwffff_env_point {
unsigned short offset;
unsigned short rate;
};
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 */
};
struct iwffff_env {
unsigned char flags;
unsigned char mode;
unsigned char index;
unsigned char pad;
struct iwffff_env_record *record;
};
#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 */
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) */
struct iwffff_lfo tremolo; /* tremolo effect */
struct iwffff_lfo 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;
struct iwffff_env penv; /* pitch envelope */
struct iwffff_env venv; /* volume envelope */
struct iwffff_wave *wave;
struct iwffff_layer *next;
};
/*
* 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
struct iwffff_instrument {
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 */
struct iwffff_layer *layer; /* first layer */
};
/*
*
* 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
*/
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;
};
/*
* Layer
*/
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 */
};
struct iwffff_xenv_point {
__u16 offset;
__u16 rate;
};
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 */
};
struct iwffff_xenv {
__u8 flags;
__u8 mode;
__u8 index;
__u8 pad;
};
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) */
struct iwffff_xlfo tremolo; /* tremolo effect */
struct iwffff_xlfo vibrato; /* vibrato effect */
__u16 freq_scale; /* 0-2048, 1024 is equal to semitone scaling */
__u8 freq_center; /* center for keyboard frequency scaling */
__u8 pad;
struct iwffff_xenv penv; /* pitch envelope */
struct iwffff_xenv venv; /* volume envelope */
};
/*
* Instrument
*/
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 */
};
/*
* ROM support
* InterWave ROMs are Little-Endian (x86)
*/
#define IWFFFF_ROM_HDR_SIZE 512
struct iwffff_rom_header {
__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];
};
/*
* 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)
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 */
};
#ifdef __KERNEL__
#include "seq_instr.h"
struct snd_iwffff_ops {
void *private_data;
int (*info)(void *private_data, struct iwffff_info *info);
int (*put_sample)(void *private_data, struct iwffff_wave *wave,
char __user *data, long len, int atomic);
int (*get_sample)(void *private_data, struct iwffff_wave *wave,
char __user *data, long len, int atomic);
int (*remove_sample)(void *private_data, struct iwffff_wave *wave,
int atomic);
void (*notify)(void *private_data, struct snd_seq_kinstr *instr, int what);
struct snd_seq_kinstr_ops kops;
};
int snd_seq_iwffff_init(struct snd_iwffff_ops *ops,
void *private_data,
struct snd_seq_kinstr_ops *next);
#endif
/* typedefs for compatibility to user-space */
typedef struct iwffff_xwave iwffff_xwave_t;
typedef struct iwffff_xlfo iwffff_xlfo_t;
typedef struct iwffff_xenv_point iwffff_xenv_point_t;
typedef struct iwffff_xenv_record iwffff_xenv_record_t;
typedef struct iwffff_xenv iwffff_xenv_t;
typedef struct iwffff_xlayer iwffff_xlayer_t;
typedef struct iwffff_xinstrument iwffff_xinstrument_t;
typedef struct iwffff_rom_header iwffff_rom_header_t;
typedef struct iwffff_info iwffff_info_t;
#endif /* __SOUND_AINSTR_IW_H */
