1  /* SPDX-License-Identifier: GPL-2.0-or-later */
2  /***************************************************************************
3   *            au88x0_a3d.h
4   *
5   *  Fri Jul 18 14:16:03 2003
6   *  Copyright  2003  mjander
7   *  mjander@users.sourceforge.net
8   ****************************************************************************/
9  
10  /*
11   */
12  
13  #ifndef _AU88X0_A3D_H
14  #define _AU88X0_A3D_H
15  
16  //#include <openal.h>
17  
18  #define HRTF_SZ 0x38
19  #define DLINE_SZ 0x28
20  
21  #define CTRLID_HRTF		1
22  #define CTRLID_ITD		2
23  #define CTRLID_ILD		4
24  #define CTRLID_FILTER	8
25  #define CTRLID_GAINS	16
26  
27  /* 3D parameter structs */
28  typedef unsigned short int a3d_Hrtf_t[HRTF_SZ];
29  typedef unsigned short int a3d_ItdDline_t[DLINE_SZ];
30  typedef unsigned short int a3d_atmos_t[5];
31  typedef unsigned short int a3d_LRGains_t[2];
32  typedef unsigned short int a3d_Itd_t[2];
33  typedef unsigned short int a3d_Ild_t[2];
34  
35  typedef struct {
36  	void *vortex;		// Formerly CAsp4HwIO*, now vortex_t*.
37  	unsigned int source;	/* this_04 */
38  	unsigned int slice;	/* this_08 */
39  	a3d_Hrtf_t hrtf[2];
40  	a3d_Itd_t itd;
41  	a3d_Ild_t ild;
42  	a3d_ItdDline_t dline;
43  	a3d_atmos_t filter;
44  } a3dsrc_t;
45  
46  /* First Register bank */
47  
48  #define A3D_A_HrtfCurrent	0x18000	/* 56 ULONG */
49  #define A3D_A_GainCurrent	0x180E0
50  #define A3D_A_GainTarget	0x180E4
51  #define A3D_A_A12Current	0x180E8	/* Atmospheric current. */
52  #define A3D_A_A21Target		0x180EC	/* Atmospheric target */
53  #define A3D_A_B01Current	0x180F0	/* Atmospheric current */
54  #define A3D_A_B10Target		0x180F4	/* Atmospheric target */
55  #define A3D_A_B2Current		0x180F8	/* Atmospheric current */
56  #define A3D_A_B2Target		0x180FC	/* Atmospheric target */
57  #define A3D_A_HrtfTarget	0x18100	/* 56 ULONG */
58  #define A3D_A_ITDCurrent	0x181E0
59  #define A3D_A_ITDTarget		0x181E4
60  #define A3D_A_HrtfDelayLine	0x181E8	/* 56 ULONG */
61  #define A3D_A_ITDDelayLine	0x182C8	/* 40/45 ULONG */
62  #define A3D_A_HrtfTrackTC	0x1837C	/* Time Constants */
63  #define A3D_A_GainTrackTC	0x18380
64  #define A3D_A_CoeffTrackTC	0x18384
65  #define A3D_A_ITDTrackTC	0x18388
66  #define A3D_A_x1			0x1838C
67  #define A3D_A_x2			0x18390
68  #define A3D_A_y1			0x18394
69  #define A3D_A_y2			0x18398
70  #define A3D_A_HrtfOutL		0x1839C
71  #define A3D_A_HrtfOutR		0x183A0
72  #define 	A3D_A_TAIL		0x183A4
73  
74  /* Second register bank */
75  #define A3D_B_HrtfCurrent	0x19000	/* 56 ULONG */
76  #define A3D_B_GainCurrent	0x190E0
77  #define A3D_B_GainTarget	0x190E4
78  #define A3D_B_A12Current	0x190E8
79  #define A3D_B_A21Target		0x190EC
80  #define A3D_B_B01Current	0x190F0
81  #define A3D_B_B10Target		0x190F4
82  #define A3D_B_B2Current		0x190F8
83  #define A3D_B_B2Target		0x190FC
84  #define A3D_B_HrtfTarget	0x19100	/* 56 ULONG */
85  #define A3D_B_ITDCurrent	0x191E0
86  #define A3D_B_ITDTarget		0x191E4
87  #define A3D_B_HrtfDelayLine	0x191E8	/* 56 ULONG */
88  #define 	A3D_B_TAIL		0x192C8
89  
90  /* There are 4 slices, 4 a3d each = 16 a3d sources. */
91  #define A3D_SLICE_BANK_A		0x18000	/* 4 sources */
92  #define A3D_SLICE_BANK_B		0x19000	/* 4 sources */
93  #define A3D_SLICE_VDBDest		0x19C00	/* 8 ULONG */
94  #define A3D_SLICE_VDBSource		0x19C20	/* 4 ULONG */
95  #define A3D_SLICE_ABReg			0x19C30
96  #define A3D_SLICE_CReg			0x19C34
97  #define A3D_SLICE_Control		0x19C38
98  #define A3D_SLICE_DebugReserved	0x19C3c	/* Dangerous! */
99  #define A3D_SLICE_Pointers		0x19C40
100  #define 	A3D_SLICE_TAIL		0x1A000
101  
102  // Slice size: 0x2000
103  // Source size: 0x3A4, 0x2C8
104  
105  /* Address generator macro. */
106  #define a3d_addrA(slice,source,reg) (((slice)<<0xd)+((source)*0x3A4)+(reg))
107  #define a3d_addrB(slice,source,reg) (((slice)<<0xd)+((source)*0x2C8)+(reg))
108  #define a3d_addrS(slice,reg) (((slice)<<0xd)+(reg))
109  //#define a3d_addr(slice,source,reg) (((reg)>=0x19000) ? a3d_addr2((slice),(source),(reg)) : a3d_addr1((slice),(source),(reg)))
110  
111  #endif				/* _AU88X0_A3D_H */
112