au88x0_a3d.h

Go to the documentation of this file.

/***************************************************************************
 *            au88x0_a3d.h
 *
 *  Fri Jul 18 14:16:03 2003
 *  Copyright  2003  mjander
 *  [email protected]
 ****************************************************************************/

/*
 *  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 Library 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 _AU88X0_A3D_H
#define _AU88X0_A3D_H

//#include <openal.h>

#define HRTF_SZ 0x38
#define DLINE_SZ 0x28

#define CTRLID_HRTF     1
#define CTRLID_ITD      2
#define CTRLID_ILD      4
#define CTRLID_FILTER   8
#define CTRLID_GAINS    16

/* 3D parameter structs */
typedef unsigned short int a3d_Hrtf_t[HRTF_SZ];
typedef unsigned short int a3d_ItdDline_t[DLINE_SZ];
typedef unsigned short int a3d_atmos_t[5];
typedef unsigned short int a3d_LRGains_t[2];
typedef unsigned short int a3d_Itd_t[2];
typedef unsigned short int a3d_Ild_t[2];

typedef struct {
    void *vortex;       // Formerly CAsp4HwIO*, now vortex_t*.
    unsigned int source;    /* this_04 */
    unsigned int slice; /* this_08 */
    a3d_Hrtf_t hrtf[2];
    a3d_Itd_t itd;
    a3d_Ild_t ild;
    a3d_ItdDline_t dline;
    a3d_atmos_t filter;
} a3dsrc_t;

/* First Register bank */

#define A3D_A_HrtfCurrent   0x18000 /* 56 ULONG */
#define A3D_A_GainCurrent   0x180E0
#define A3D_A_GainTarget    0x180E4
#define A3D_A_A12Current    0x180E8 /* Atmospheric current. */
#define A3D_A_A21Target     0x180EC /* Atmospheric target */
#define A3D_A_B01Current    0x180F0 /* Atmospheric current */
#define A3D_A_B10Target     0x180F4 /* Atmospheric target */
#define A3D_A_B2Current     0x180F8 /* Atmospheric current */
#define A3D_A_B2Target      0x180FC /* Atmospheric target */
#define A3D_A_HrtfTarget    0x18100 /* 56 ULONG */
#define A3D_A_ITDCurrent    0x181E0
#define A3D_A_ITDTarget     0x181E4
#define A3D_A_HrtfDelayLine 0x181E8 /* 56 ULONG */
#define A3D_A_ITDDelayLine  0x182C8 /* 40/45 ULONG */
#define A3D_A_HrtfTrackTC   0x1837C /* Time Constants */
#define A3D_A_GainTrackTC   0x18380
#define A3D_A_CoeffTrackTC  0x18384
#define A3D_A_ITDTrackTC    0x18388
#define A3D_A_x1            0x1838C
#define A3D_A_x2            0x18390
#define A3D_A_y1            0x18394
#define A3D_A_y2            0x18398
#define A3D_A_HrtfOutL      0x1839C
#define A3D_A_HrtfOutR      0x183A0
#define     A3D_A_TAIL      0x183A4

/* Second register bank */
#define A3D_B_HrtfCurrent   0x19000 /* 56 ULONG */
#define A3D_B_GainCurrent   0x190E0
#define A3D_B_GainTarget    0x190E4
#define A3D_B_A12Current    0x190E8
#define A3D_B_A21Target     0x190EC
#define A3D_B_B01Current    0x190F0
#define A3D_B_B10Target     0x190F4
#define A3D_B_B2Current     0x190F8
#define A3D_B_B2Target      0x190FC
#define A3D_B_HrtfTarget    0x19100 /* 56 ULONG */
#define A3D_B_ITDCurrent    0x191E0
#define A3D_B_ITDTarget     0x191E4
#define A3D_B_HrtfDelayLine 0x191E8 /* 56 ULONG */
#define     A3D_B_TAIL      0x192C8

/* There are 4 slices, 4 a3d each = 16 a3d sources. */
#define A3D_SLICE_BANK_A        0x18000 /* 4 sources */
#define A3D_SLICE_BANK_B        0x19000 /* 4 sources */
#define A3D_SLICE_VDBDest       0x19C00 /* 8 ULONG */
#define A3D_SLICE_VDBSource     0x19C20 /* 4 ULONG */
#define A3D_SLICE_ABReg         0x19C30
#define A3D_SLICE_CReg          0x19C34
#define A3D_SLICE_Control       0x19C38
#define A3D_SLICE_DebugReserved 0x19C3c /* Dangerous! */
#define A3D_SLICE_Pointers      0x19C40
#define     A3D_SLICE_TAIL      0x1A000

// Slice size: 0x2000
// Source size: 0x3A4, 0x2C8

/* Address generator macro. */
#define a3d_addrA(slice,source,reg) (((slice)<<0xd)+((source)*0x3A4)+(reg))
#define a3d_addrB(slice,source,reg) (((slice)<<0xd)+((source)*0x2C8)+(reg))
#define a3d_addrS(slice,reg) (((slice)<<0xd)+(reg))
//#define a3d_addr(slice,source,reg) (((reg)>=0x19000) ? a3d_addr2((slice),(source),(reg)) : a3d_addr1((slice),(source),(reg)))

#endif              /* _AU88X0_A3D_H */