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-rw-r--r--include/sound/ainstr_iw.h373
1 files changed, 373 insertions, 0 deletions
diff --git a/include/sound/ainstr_iw.h b/include/sound/ainstr_iw.h
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+++ b/include/sound/ainstr_iw.h
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+/*
+ * 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 */
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