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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#ifndef __P_SOUND_EXTERNALS_H__\r
19#define __P_SOUND_EXTERNALS_H__\r
20\r
21#include <stdint.h>\r
22\r
23/////////////////////////////////////////////////////////\r
24// generic defines\r
25/////////////////////////////////////////////////////////\r
26\r
27//#define log_unhandled printf\r
28#define log_unhandled(...)\r
29\r
30#ifdef __GNUC__\r
31#define noinline __attribute__((noinline))\r
32#define unlikely(x) __builtin_expect((x), 0)\r
33#else\r
34#define noinline\r
35#define unlikely(x) x\r
36#endif\r
37#if defined(__GNUC__) && !defined(_TMS320C6X)\r
38#define preload __builtin_prefetch\r
39#else\r
40#define preload(...)\r
41#endif\r
42\r
43#define PSE_LT_SPU 4\r
44#define PSE_SPU_ERR_SUCCESS 0\r
45#define PSE_SPU_ERR -60\r
46#define PSE_SPU_ERR_NOTCONFIGURED PSE_SPU_ERR - 1\r
47#define PSE_SPU_ERR_INIT PSE_SPU_ERR - 2\r
48#ifndef max\r
49#define max(a,b) (((a) > (b)) ? (a) : (b))\r
50#define min(a,b) (((a) < (b)) ? (a) : (b))\r
51#endif\r
52\r
53////////////////////////////////////////////////////////////////////////\r
54// spu defines\r
55////////////////////////////////////////////////////////////////////////\r
56\r
57// num of channels\r
58#define MAXCHAN 24\r
59\r
60// note: must be even due to the way reverb works now\r
61#define NSSIZE ((44100 / 50 + 16) & ~1)\r
62\r
63///////////////////////////////////////////////////////////\r
64// struct defines\r
65///////////////////////////////////////////////////////////\r
66\r
67enum ADSR_State {\r
68 ADSR_ATTACK = 0,\r
69 ADSR_DECAY = 1,\r
70 ADSR_SUSTAIN = 2,\r
71 ADSR_RELEASE = 3,\r
72};\r
73\r
74// ADSR INFOS PER CHANNEL\r
75typedef struct\r
76{\r
77 unsigned char State:2; // ADSR_State\r
78 unsigned char AttackModeExp:1;\r
79 unsigned char SustainModeExp:1;\r
80 unsigned char SustainIncrease:1;\r
81 unsigned char ReleaseModeExp:1;\r
82 unsigned char AttackRate;\r
83 unsigned char DecayRate;\r
84 unsigned char SustainLevel;\r
85 unsigned char SustainRate;\r
86 unsigned char ReleaseRate;\r
87 int EnvelopeVol;\r
88} ADSRInfoEx;\r
89 \r
90///////////////////////////////////////////////////////////\r
91\r
92// Tmp Flags\r
93\r
94// used for debug channel muting\r
95#define FLAG_MUTE 1\r
96\r
97// used for simple interpolation\r
98#define FLAG_IPOL0 2\r
99#define FLAG_IPOL1 4\r
100\r
101///////////////////////////////////////////////////////////\r
102\r
103// MAIN CHANNEL STRUCT\r
104typedef struct\r
105{\r
106 int iSBPos; // mixing stuff\r
107 int spos;\r
108 int sinc;\r
109 int sinc_inv;\r
110\r
111 unsigned char * pCurr; // current pos in sound mem\r
112 unsigned char * pLoop; // loop ptr in sound mem\r
113\r
114 unsigned int bReverb:1; // can we do reverb on this channel? must have ctrl register bit, to get active\r
115 unsigned int bRVBActive:1; // reverb active flag\r
116 unsigned int bNoise:1; // noise active flag\r
117 unsigned int bFMod:2; // freq mod (0=off, 1=sound channel, 2=freq channel)\r
118 unsigned int prevflags:3; // flags from previous block\r
119 unsigned int bIgnoreLoop:1; // Ignore loop\r
120 unsigned int bStarting:1; // starting after keyon\r
121 union {\r
122 struct {\r
123 int iLeftVolume; // left volume\r
124 int iRightVolume; // right volume\r
125 };\r
126 int iVolume[2];\r
127 };\r
128 ADSRInfoEx ADSRX;\r
129 int iRawPitch; // raw pitch (0...3fff)\r
130} SPUCHAN;\r
131\r
132///////////////////////////////////////////////////////////\r
133\r
134typedef struct\r
135{\r
136 int StartAddr; // reverb area start addr in samples\r
137 int CurrAddr; // reverb area curr addr in samples\r
138\r
139 int VolLeft;\r
140 int VolRight;\r
141\r
142 int FB_SRC_A; // (offset)\r
143 int FB_SRC_B; // (offset)\r
144 int IIR_ALPHA; // (coef.)\r
145 int ACC_COEF_A; // (coef.)\r
146 int ACC_COEF_B; // (coef.)\r
147 int ACC_COEF_C; // (coef.)\r
148 int ACC_COEF_D; // (coef.)\r
149 int IIR_COEF; // (coef.)\r
150 int FB_ALPHA; // (coef.)\r
151 int FB_X; // (coef.)\r
152 int IIR_DEST_A0; // (offset)\r
153 int IIR_DEST_A1; // (offset)\r
154 int ACC_SRC_A0; // (offset)\r
155 int ACC_SRC_A1; // (offset)\r
156 int ACC_SRC_B0; // (offset)\r
157 int ACC_SRC_B1; // (offset)\r
158 int IIR_SRC_A0; // (offset)\r
159 int IIR_SRC_A1; // (offset)\r
160 int IIR_DEST_B0; // (offset)\r
161 int IIR_DEST_B1; // (offset)\r
162 int ACC_SRC_C0; // (offset)\r
163 int ACC_SRC_C1; // (offset)\r
164 int ACC_SRC_D0; // (offset)\r
165 int ACC_SRC_D1; // (offset)\r
166 int IIR_SRC_B1; // (offset)\r
167 int IIR_SRC_B0; // (offset)\r
168 int MIX_DEST_A0; // (offset)\r
169 int MIX_DEST_A1; // (offset)\r
170 int MIX_DEST_B0; // (offset)\r
171 int MIX_DEST_B1; // (offset)\r
172 int IN_COEF_L; // (coef.)\r
173 int IN_COEF_R; // (coef.)\r
174\r
175 int dirty; // registers changed\r
176\r
177 // MIX_DEST_xx - FB_SRC_x\r
178 int FB_SRC_A0, FB_SRC_A1, FB_SRC_B0, FB_SRC_B1;\r
179} REVERBInfo;\r
180\r
181///////////////////////////////////////////////////////////\r
182\r
183// psx buffers / addresses\r
184\r
185typedef union\r
186{\r
187 int SB[28 + 4 + 4];\r
188 struct {\r
189 int sample[28];\r
190 union {\r
191 struct {\r
192 int pos;\r
193 int val[4];\r
194 } gauss;\r
195 int simple[5]; // 28-32\r
196 } interp;\r
197 int sinc_old;\r
198 };\r
199} sample_buf;\r
200\r
201typedef struct\r
202{\r
203 unsigned short spuCtrl;\r
204 unsigned short spuStat;\r
205\r
206 unsigned int spuAddr;\r
207\r
208 unsigned int cycles_played;\r
209 unsigned int cycles_dma_end;\r
210 int decode_pos;\r
211 int decode_dirty_ch;\r
212 unsigned int bSpuInit:1;\r
213 unsigned int bSPUIsOpen:1;\r
214 unsigned int bMemDirty:1; // had external write to SPU RAM\r
215\r
216 unsigned int dwNoiseVal; // global noise generator\r
217 unsigned int dwNoiseCount;\r
218 unsigned int dwNewChannel; // flags for faster testing, if new channel starts\r
219 unsigned int dwChannelsAudible; // not silent channels\r
220 unsigned int dwChannelDead; // silent+not useful channels\r
221\r
222 unsigned int XARepeat;\r
223 unsigned int XALastVal;\r
224\r
225 int iLeftXAVol;\r
226 int iRightXAVol;\r
227\r
228 unsigned int last_keyon_cycles;\r
229\r
230 union {\r
231 unsigned char *spuMemC;\r
232 unsigned short *spuMem;\r
233 };\r
234 unsigned char * pSpuIrq;\r
235\r
236 unsigned char * pSpuBuffer;\r
237 short * pS;\r
238\r
239 SPUCHAN * s_chan;\r
240 REVERBInfo * rvb;\r
241\r
242 int * SSumLR;\r
243\r
244 void (CALLBACK *irqCallback)(int);\r
245 //void (CALLBACK *cddavCallback)(short, short);\r
246 void (CALLBACK *scheduleCallback)(unsigned int);\r
247\r
248 const xa_decode_t * xapGlobal;\r
249 unsigned int * XAFeed;\r
250 unsigned int * XAPlay;\r
251 unsigned int * XAStart;\r
252 unsigned int * XAEnd;\r
253\r
254 unsigned int * CDDAFeed;\r
255 unsigned int * CDDAPlay;\r
256 unsigned int * CDDAStart;\r
257 unsigned int * CDDAEnd;\r
258\r
259 unsigned short regArea[0x400];\r
260\r
261 sample_buf sb[MAXCHAN];\r
262 int interpolation;\r
263 sample_buf sb_thread[MAXCHAN];\r
264} SPUInfo;\r
265\r
266#define regAreaGet(offset) \\r
267 spu.regArea[((offset) - 0xc00)>>1]\r
268#define regAreaGetCh(ch, offset) \\r
269 spu.regArea[((ch<<4)|(offset))>>1]\r
270\r
271///////////////////////////////////////////////////////////\r
272// SPU.C globals\r
273///////////////////////////////////////////////////////////\r
274\r
275#ifndef _IN_SPU\r
276\r
277extern SPUInfo spu;\r
278\r
279void do_samples(unsigned int cycles_to, int do_sync);\r
280void schedule_next_irq(void);\r
281void check_irq_io(unsigned int addr);\r
282void do_irq_io(int cycles_after);\r
283\r
284#define do_samples_if_needed(c, sync, samples) \\r
285 do { \\r
286 if (sync || (int)((c) - spu.cycles_played) >= (samples) * 768) \\r
287 do_samples(c, sync); \\r
288 } while (0)\r
289\r
290#endif\r
291\r
292#endif /* __P_SOUND_EXTERNALS_H__ */\r
ARM optimized PCSX fork