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spu: put globals into a structure
[pcsx_rearmed.git] / plugins / dfsound / externals.h
CommitLineData
ef79bbde
P		 1/***************************************************************************\r
2 externals.h - description\r
3 -------------------\r
4 begin : Wed May 15 2002\r
5 copyright : (C) 2002 by Pete Bernert\r
6 email : BlackDove@addcom.de\r
7 ***************************************************************************/\r
8/***************************************************************************\r
9 * *\r
10 * This program is free software; you can redistribute it and/or modify *\r
11 * it under the terms of the GNU General Public License as published by *\r
12 * the Free Software Foundation; either version 2 of the License, or *\r
13 * (at your option) any later version. See also the license.txt file for *\r
14 * additional informations. *\r
15 * *\r
16 ***************************************************************************/\r
17\r
18#include <stdint.h>\r
19\r
20/////////////////////////////////////////////////////////\r
21// generic defines\r
22/////////////////////////////////////////////////////////\r
23\r
f05d6ca2 24#ifdef __GNUC__\r
b72f17a1 25#define noinline __attribute__((noinline))\r
26#define unlikely(x) __builtin_expect((x), 0)\r
27#else\r
28#define noinline\r
29#define unlikely(x) x\r
30#endif\r
31\r
ef79bbde
P		 32#define PSE_LT_SPU 4\r
33#define PSE_SPU_ERR_SUCCESS 0\r
34#define PSE_SPU_ERR -60\r
35#define PSE_SPU_ERR_NOTCONFIGURED PSE_SPU_ERR - 1\r
36#define PSE_SPU_ERR_INIT PSE_SPU_ERR - 2\r
37#ifndef max\r
38#define max(a,b) (((a) > (b)) ? (a) : (b))\r
39#define min(a,b) (((a) < (b)) ? (a) : (b))\r
40#endif\r
41\r
42////////////////////////////////////////////////////////////////////////\r
43// spu defines\r
44////////////////////////////////////////////////////////////////////////\r
45\r
ef79bbde
P		 46// num of channels\r
47#define MAXCHAN 24\r
48\r
1775933a 49// note: must be even due to the way reverb works now\r
650adfd2 50#define NSSIZE ((44100 / 50 + 16) & ~1)\r
ef79bbde
P		 51\r
52///////////////////////////////////////////////////////////\r
53// struct defines\r
54///////////////////////////////////////////////////////////\r
55\r
56// ADSR INFOS PER CHANNEL\r
ef79bbde
P		 57typedef struct\r
58{\r
6d866bb7 59 unsigned char State:2;\r
60 unsigned char AttackModeExp:1;\r
61 unsigned char SustainModeExp:1;\r
62 unsigned char SustainIncrease:1;\r
63 unsigned char ReleaseModeExp:1;\r
64 unsigned char AttackRate;\r
65 unsigned char DecayRate;\r
66 unsigned char SustainLevel;\r
67 unsigned char SustainRate;\r
68 unsigned char ReleaseRate;\r
ef79bbde 69 int EnvelopeVol;\r
ef79bbde
P		 70} ADSRInfoEx;\r
71 \r
72///////////////////////////////////////////////////////////\r
73\r
74// Tmp Flags\r
75\r
76// used for debug channel muting\r
77#define FLAG_MUTE 1\r
78\r
79// used for simple interpolation\r
80#define FLAG_IPOL0 2\r
81#define FLAG_IPOL1 4\r
82\r
83///////////////////////////////////////////////////////////\r
84\r
85// MAIN CHANNEL STRUCT\r
86typedef struct\r
87{\r
ef79bbde
P		 88 int iSBPos; // mixing stuff\r
89 int spos;\r
90 int sinc;\r
650adfd2 91 int sinc_inv;\r
ef79bbde 92\r
ef79bbde
P		 93 unsigned char * pCurr; // current pos in sound mem\r
94 unsigned char * pLoop; // loop ptr in sound mem\r
95\r
6d866bb7 96 unsigned int bStop:1; // is channel stopped (sample _can_ still be playing, ADSR Release phase)\r
97 unsigned int bReverb:1; // can we do reverb on this channel? must have ctrl register bit, to get active\r
6d866bb7 98 unsigned int bRVBActive:1; // reverb active flag\r
99 unsigned int bNoise:1; // noise active flag\r
100 unsigned int bFMod:2; // freq mod (0=off, 1=sound channel, 2=freq channel)\r
e4f075af 101 unsigned int prevflags:3; // flags from previous block\r
6d866bb7 102\r
ef79bbde 103 int iLeftVolume; // left volume\r
ef79bbde 104 int iRightVolume; // right volume\r
6d866bb7 105 ADSRInfoEx ADSRX;\r
106 int iRawPitch; // raw pitch (0...3fff)\r
107\r
381ea103 108 int SB[32+4];\r
ef79bbde
P		 109} SPUCHAN;\r
110\r
111///////////////////////////////////////////////////////////\r
112\r
113typedef struct\r
114{\r
115 int StartAddr; // reverb area start addr in samples\r
116 int CurrAddr; // reverb area curr addr in samples\r
117\r
118 int VolLeft;\r
119 int VolRight;\r
ef79bbde
P		 120 int iRVBLeft;\r
121 int iRVBRight;\r
122\r
123 int FB_SRC_A; // (offset)\r
124 int FB_SRC_B; // (offset)\r
125 int IIR_ALPHA; // (coef.)\r
126 int ACC_COEF_A; // (coef.)\r
127 int ACC_COEF_B; // (coef.)\r
128 int ACC_COEF_C; // (coef.)\r
129 int ACC_COEF_D; // (coef.)\r
130 int IIR_COEF; // (coef.)\r
131 int FB_ALPHA; // (coef.)\r
132 int FB_X; // (coef.)\r
133 int IIR_DEST_A0; // (offset)\r
134 int IIR_DEST_A1; // (offset)\r
135 int ACC_SRC_A0; // (offset)\r
136 int ACC_SRC_A1; // (offset)\r
137 int ACC_SRC_B0; // (offset)\r
138 int ACC_SRC_B1; // (offset)\r
139 int IIR_SRC_A0; // (offset)\r
140 int IIR_SRC_A1; // (offset)\r
141 int IIR_DEST_B0; // (offset)\r
142 int IIR_DEST_B1; // (offset)\r
143 int ACC_SRC_C0; // (offset)\r
144 int ACC_SRC_C1; // (offset)\r
145 int ACC_SRC_D0; // (offset)\r
146 int ACC_SRC_D1; // (offset)\r
147 int IIR_SRC_B1; // (offset)\r
148 int IIR_SRC_B0; // (offset)\r
149 int MIX_DEST_A0; // (offset)\r
150 int MIX_DEST_A1; // (offset)\r
151 int MIX_DEST_B0; // (offset)\r
152 int MIX_DEST_B1; // (offset)\r
153 int IN_COEF_L; // (coef.)\r
154 int IN_COEF_R; // (coef.)\r
1775933a 155\r
156 int dirty; // registers changed\r
157\r
158 // normalized offsets\r
159 int nIIR_DEST_A0, nIIR_DEST_A1, nIIR_DEST_B0, nIIR_DEST_B1,\r
160 nACC_SRC_A0, nACC_SRC_A1, nACC_SRC_B0, nACC_SRC_B1, \r
161 nIIR_SRC_A0, nIIR_SRC_A1, nIIR_SRC_B0, nIIR_SRC_B1,\r
162 nACC_SRC_C0, nACC_SRC_C1, nACC_SRC_D0, nACC_SRC_D1,\r
163 nMIX_DEST_A0, nMIX_DEST_A1, nMIX_DEST_B0, nMIX_DEST_B1;\r
164 // MIX_DEST_xx - FB_SRC_x\r
165 int nFB_SRC_A0, nFB_SRC_A1, nFB_SRC_B0, nFB_SRC_B1;\r
ef79bbde
P		 166} REVERBInfo;\r
167\r
ef79bbde
P		 168///////////////////////////////////////////////////////////\r
169\r
ef79bbde
P		 170// psx buffers / addresses\r
171\r
3154bfab 172typedef struct\r
173{\r
174 unsigned short spuCtrl;\r
175 unsigned short spuStat;\r
ef79bbde 176\r
3154bfab 177 unsigned int spuAddr;\r
178 unsigned char * spuMemC;\r
179 unsigned char * pSpuIrq;\r
77d6fd63 180\r
3154bfab 181 unsigned int cycles_played;\r
182 int decode_pos;\r
183 int decode_dirty_ch;\r
184 unsigned int bSpuInit:1;\r
185 unsigned int bSPUIsOpen:1;\r
ef79bbde 186\r
3154bfab 187 unsigned int dwNoiseVal; // global noise generator\r
188 unsigned int dwNoiseCount;\r
189 unsigned int dwNewChannel; // flags for faster testing, if new channel starts\r
190 unsigned int dwChannelOn; // not silent channels\r
191 unsigned int dwChannelDead; // silent+not useful channels\r
ef79bbde 192\r
3154bfab 193 unsigned char * pSpuBuffer;\r
194 short * pS;\r
ef79bbde 195\r
3154bfab 196 void (CALLBACK *irqCallback)(void); // func of main emu, called on spu irq\r
197 void (CALLBACK *cddavCallback)(unsigned short,unsigned short);\r
198 void (CALLBACK *scheduleCallback)(unsigned int);\r
ef79bbde 199\r
3154bfab 200 int * sRVBStart;\r
ef79bbde 201\r
3154bfab 202 xa_decode_t * xapGlobal;\r
203 unsigned int * XAFeed;\r
204 unsigned int * XAPlay;\r
205 unsigned int * XAStart;\r
206 unsigned int * XAEnd;\r
ef79bbde 207\r
3154bfab 208 unsigned int * CDDAFeed;\r
209 unsigned int * CDDAPlay;\r
210 unsigned int * CDDAStart;\r
211 unsigned int * CDDAEnd;\r
ef79bbde 212\r
3154bfab 213 unsigned int XARepeat;\r
214 unsigned int XALastVal;\r
650adfd2 215\r
3154bfab 216 int iLeftXAVol;\r
217 int iRightXAVol;\r
650adfd2 218\r
3154bfab 219 int pad[32];\r
220 unsigned short regArea[0x400];\r
221 unsigned short spuMem[256*1024];\r
222} SPUInfo;\r
ef79bbde
P		 223\r
224///////////////////////////////////////////////////////////\r
3154bfab 225// SPU.C globals\r
ef79bbde
P		 226///////////////////////////////////////////////////////////\r
227\r
3154bfab 228#ifndef _IN_SPU\r
ef79bbde 229\r
3154bfab 230extern SPUInfo spu;\r
231extern SPUCHAN s_chan[];\r
232extern REVERBInfo rvb;\r
ef79bbde 233\r
3154bfab 234void do_samples(unsigned int cycles_to);\r
235void schedule_next_irq(void);\r
ef79bbde 236\r
3154bfab 237#define regAreaGet(ch,offset) \\r
238 spu.regArea[((ch<<4)|(offset))>>1]\r
ef79bbde 239\r
3154bfab 240#define do_samples_if_needed(c) \\r
241 do { \\r
242 if ((int)((c) - spu.cycles_played) >= 16 * 768) \\r
243 do_samples(c); \\r
244 } while (0)\r
ef79bbde
P		 245\r
246#endif\r
247\r
ARM optimized PCSX fork