/*--------------------------------------------------------------------------
 *  emu8k.h - low-level functions for AWE32 driver
 *--------------------------------------------------------------------------
 *
 * (c) George Foot April-September 1997
 *
 * Information taken primarily from "AWE32/EMU8000 Programmer's Guide"
 * (AEPG) by Dave Rossum. The AEPG is part of the AWE32 Developers'
 * Information Pack (ADIP) from Creative Labs.
 *
 * I/O port verification technique taken from "The Un-official Sound
 * Blaster AWE32 Programming Guide" by Vince Vu a.k.a. Judge Dredd
 *
 */

#ifndef EMU8K_H
#define EMU8K_H

#include <stdlib.h>

typedef struct envparms_t {
 int envvol,  envval,  dcysus,  atkhldv,
     lfo1val, atkhld,  lfo2val, ip,
     ifatn,   pefe,    fmmod,   tremfrq,
     fm2frq2, dcysusv, ptrx,    psst,
     csl,     ccca,    rootkey, ipbase,
     ipscale, minkey,  maxkey,  minvel,
     maxvel,  key,     vel,     exc,
     keyMEH,  keyMED,  keyVEH,  keyVED,
     filter,  atten,   smpmode, volrel,
     modrel,  pan,     loopst,  reverb,
     chorus,  volsust, modsust, pitch,
     sampend;
} envparms_t;

#define sfgen_startAddrsOffset		        0
#define sfgen_endAddrsOffset		        1
#define sfgen_startloopAddrsOffset	        2
#define sfgen_endloopAddrsOffset	        3
#define sfgen_startAddrsCoarseOffset	        4
#define sfgen_modLfoToPitch		        5
#define sfgen_vibLfoToPitch		        6
#define sfgen_modEnvToPitch		        7
#define sfgen_initialFilterFc		        8
#define sfgen_initialFilterQ		        9
#define sfgen_modLfoToFilterFc		        10
#define sfgen_modEnvToFilterFc		        11
#define sfgen_endAddrsCoarseOffset	        12
#define sfgen_modLfoToVolume		        13
#define sfgen_chorusEffectsSend		        15
#define sfgen_reverbEffectsSend		        16
#define sfgen_pan			        17
#define sfgen_delayModLFO		        21
#define sfgen_freqModLFO		        22
#define sfgen_delayVibLFO		        23
#define sfgen_freqVibLFO		        24
#define sfgen_delayModEnv		        25
#define sfgen_attackModEnv		        26
#define sfgen_holdModEnv		        27
#define sfgen_decayModEnv		        28
#define sfgen_sustainModEnv		        29
#define sfgen_releaseModEnv		        30
#define sfgen_keynumToModEnvHold	        31
#define sfgen_keynumToModEnvDecay	        32
#define sfgen_delayVolEnv		        33
#define sfgen_attackVolEnv		        34
#define sfgen_holdVolEnv	        	35
#define sfgen_decayVolEnv		        36
#define sfgen_sustainVolEnv		        37
#define sfgen_releaseVolEnv			38
#define sfgen_keynumToVolEnvHold		39
#define sfgen_keynumToVolEnvDecay		40
#define sfgen_instrument                        41
#define sfgen_keyRange				43
#define sfgen_velRange				44
#define sfgen_startloopAddrsCoarseOffset        45
#define sfgen_keynum			        46
#define sfgen_velocity			        47
#define sfgen_initialAttenuation	        48
#define sfgen_endloopAddrsCoarseOffset	        50
#define sfgen_coarseTune		        51
#define sfgen_fineTune			        52
#define sfgen_sampleID                          53
#define sfgen_sampleModes		        54
#define sfgen_initialPitch		        55
#define sfgen_scaleTuning		        56
#define sfgen_exclusiveClass		        57
#define sfgen_overridingRootKey		        58

#define gfgen_startAddrs		        59
#define gfgen_startloopAddrs		        60
#define gfgen_endloopAddrs		        61
#define gfgen_endAddrs				62

#define SOUNDFONT_NUM_GENERATORS                63

typedef int generators_t[SOUNDFONT_NUM_GENERATORS];

/*extern envparms_t env_default;*/
extern int _emu8k_baseport;
extern int _emu8k_numchannels;

void emu8k_init();
void emu8k_startsound(int channel,struct envparms_t *envparms);
void emu8k_releasesound(int channel,struct envparms_t *envparms);
void emu8k_terminatesound(int channel);
int  emu8k_detect();

void emu8k_modulate_atten (int channel, int atten);
void emu8k_modulate_ip (int channel, int ip);
void emu8k_modulate_pan (int channel, int pan);

envparms_t *emu8k_createenvelope(generators_t);
void emu8k_destroyenvelope(envparms_t *);

void emu8k_lock();

void *_lock_malloc(size_t size);		/* malloc and lock */

#endif