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