frontend/plugin.c

   1 /*
   2  * (C) notaz, 2010
   3  *
   4  * This work is licensed under the terms of the GNU GPLv2 or later.
   5  * See the COPYING file in the top-level directory.
   6  */
   7
   8 #include <stdio.h>
   9 #include <string.h>
  10 #include <stdint.h>
  11
  12 #include "plugin.h"
  13
  14 static int dummy_func() {
  15         return 0;
  16 }
  17
  18 static long CDRreadTrack(unsigned char *time) {
  19         fprintf(stderr, "CDRreadTrack\n");
  20         return -1;
  21 }
  22
  23 /* SPU */
  24 extern long SPUopen(void);
  25 extern long SPUinit(void);
  26 extern long SPUshutdown(void);
  27 extern long SPUclose(void);
  28 extern void SPUplaySample(unsigned char);
  29 extern void SPUwriteRegister(unsigned long, unsigned short);
  30 extern unsigned short SPUreadRegister(unsigned long);
  31 extern void SPUwriteDMA(unsigned short);
  32 extern unsigned short SPUreadDMA(void);
  33 extern void SPUwriteDMAMem(unsigned short *, int);
  34 extern void SPUreadDMAMem(unsigned short *, int);
  35 extern void SPUplayADPCMchannel(void *);
  36 extern void SPUregisterCallback(void (*callback)(void));
  37 extern long SPUconfigure(void);
  38 extern long SPUtest(void);
  39 extern void SPUabout(void);
  40 extern long SPUfreeze(unsigned int, void *);
  41 extern void SPUasync(unsigned int);
  42 extern void SPUplayCDDAchannel(short *, int);
  43
  44 /* PAD */
  45 static uint8_t CurByte;
  46
  47 static unsigned char PADstartPoll(int pad) {
  48         CurByte = 0;
  49         return 0xFF;
  50 }
  51
  52 static unsigned char PADpoll(unsigned char value) {
  53         static uint8_t buf[] = {0x41, 0x5A, 0xFF, 0xFF, 0x80, 0x80, 0x80, 0x80};
  54         if (CurByte >= 4)
  55                 return 0;
  56         return buf[CurByte++];
  57 }
  58
  59 /* GPU */
  60 extern long GPUopen(unsigned long *, char *, char *);
  61 extern long GPUinit(void);
  62 extern long GPUshutdown(void);
  63 extern long GPUclose(void);
  64 extern void GPUwriteStatus(uint32_t);
  65 extern void GPUwriteData(uint32_t);
  66 extern void GPUwriteDataMem(uint32_t *, int);
  67 extern uint32_t GPUreadStatus(void);
  68 extern uint32_t GPUreadData(void);
  69 extern void GPUreadDataMem(uint32_t *, int);
  70 extern long GPUdmaChain(uint32_t *,uint32_t);
  71 extern void GPUupdateLace(void);
  72 extern long GPUconfigure(void);
  73 extern long GPUtest(void);
  74 extern void GPUabout(void);
  75 extern void GPUmakeSnapshot(void);
  76 extern void GPUkeypressed(int);
  77 extern void GPUdisplayText(char *);
  78 extern long GPUfreeze(uint32_t, void *);
  79 extern long GPUgetScreenPic(unsigned char *);
  80 extern long GPUshowScreenPic(unsigned char *);
  81 extern void GPUclearDynarec(void (*callback)(void));
  82 extern void GPUvBlank(int);
  83
  84
  85 #define DUMMY(id, name) \
  86         { id, #name, dummy_func }
  87
  88 #define DIRECT(id, name) \
  89         { id, #name, name }
  90
  91 #define DUMMY_CDR(name)  DUMMY(PLUGIN_CDR, name)
  92 #define DUMMY_PAD(name)  DUMMY(PLUGIN_PAD, name)
  93 #define DIRECT_SPU(name) DIRECT(PLUGIN_SPU, name)
  94 #define DIRECT_GPU(name) DIRECT(PLUGIN_GPU, name)
  95 #define DIRECT_PAD(name) DIRECT(PLUGIN_PAD, name)
  96
  97 static const struct {
  98         int id;
  99         const char *name;
 100         void *func;
 101 } plugin_funcs[] = {
 102         /* CDR */
 103         DUMMY_CDR(CDRinit),
 104         DUMMY_CDR(CDRshutdown),
 105         DUMMY_CDR(CDRopen),
 106         DUMMY_CDR(CDRclose),
 107         DUMMY_CDR(CDRtest),
 108         DUMMY_CDR(CDRgetTN),
 109         DUMMY_CDR(CDRgetTD),
 110         DUMMY_CDR(CDRreadTrack),
 111         DUMMY_CDR(CDRgetBuffer),
 112         DUMMY_CDR(CDRgetBufferSub),
 113         DUMMY_CDR(CDRplay),
 114         DUMMY_CDR(CDRstop),
 115         DUMMY_CDR(CDRgetStatus),
 116         DUMMY_CDR(CDRgetDriveLetter),
 117         DUMMY_CDR(CDRconfigure),
 118         DUMMY_CDR(CDRabout),
 119         DUMMY_CDR(CDRsetfilename),
 120         DUMMY_CDR(CDRreadCDDA),
 121         DUMMY_CDR(CDRgetTE),
 122         DIRECT(PLUGIN_CDR, CDRreadTrack),
 123         /* SPU */
 124         DIRECT_SPU(SPUconfigure),
 125         DIRECT_SPU(SPUabout),
 126         DIRECT_SPU(SPUinit),
 127         DIRECT_SPU(SPUshutdown),
 128         DIRECT_SPU(SPUtest),
 129         DIRECT_SPU(SPUopen),
 130         DIRECT_SPU(SPUclose),
 131 //      DIRECT_SPU(SPUplaySample), // unused?
 132         DIRECT_SPU(SPUwriteRegister),
 133         DIRECT_SPU(SPUreadRegister),
 134         DIRECT_SPU(SPUwriteDMA),
 135         DIRECT_SPU(SPUreadDMA),
 136         DIRECT_SPU(SPUwriteDMAMem),
 137         DIRECT_SPU(SPUreadDMAMem),
 138         DIRECT_SPU(SPUplayADPCMchannel),
 139         DIRECT_SPU(SPUfreeze),
 140         DIRECT_SPU(SPUregisterCallback),
 141         DIRECT_SPU(SPUasync),
 142         DIRECT_SPU(SPUplayCDDAchannel),
 143         /* PAD */
 144         DUMMY_PAD(PADconfigure),
 145         DUMMY_PAD(PADabout),
 146         DUMMY_PAD(PADinit),
 147         DUMMY_PAD(PADshutdown),
 148         DUMMY_PAD(PADtest),
 149         DUMMY_PAD(PADopen),
 150         DUMMY_PAD(PADclose),
 151         DUMMY_PAD(PADquery),
 152         DUMMY_PAD(PADreadPort1),
 153         DUMMY_PAD(PADreadPort2),
 154         DUMMY_PAD(PADkeypressed),
 155         DUMMY_PAD(PADsetSensitive),
 156         DIRECT_PAD(PADstartPoll),
 157         DIRECT_PAD(PADpoll),
 158         /* GPU */
 159         DIRECT_GPU(GPUupdateLace),
 160         DIRECT_GPU(GPUinit),
 161         DIRECT_GPU(GPUshutdown),
 162         DIRECT_GPU(GPUconfigure),
 163         DIRECT_GPU(GPUtest),
 164         DIRECT_GPU(GPUabout),
 165         DIRECT_GPU(GPUopen),
 166         DIRECT_GPU(GPUclose),
 167         DIRECT_GPU(GPUreadStatus),
 168         DIRECT_GPU(GPUreadData),
 169         DIRECT_GPU(GPUreadDataMem),
 170         DIRECT_GPU(GPUwriteStatus),
 171         DIRECT_GPU(GPUwriteData),
 172         DIRECT_GPU(GPUwriteDataMem),
 173         DIRECT_GPU(GPUdmaChain),
 174         DIRECT_GPU(GPUkeypressed),
 175         DIRECT_GPU(GPUdisplayText),
 176         DIRECT_GPU(GPUmakeSnapshot),
 177         DIRECT_GPU(GPUfreeze),
 178         DIRECT_GPU(GPUgetScreenPic),
 179         DIRECT_GPU(GPUshowScreenPic),
 180 //      DIRECT_GPU(GPUclearDynarec),
 181 //      DIRECT_GPU(GPUvBlank),
 182 };
 183
 184 void *plugin_link(enum builtint_plugins_e id, const char *sym)
 185 {
 186         int i;
 187
 188         for (i = 0; i < ARRAY_SIZE(plugin_funcs); i++) {
 189                 if (id != plugin_funcs[i].id)
 190                         continue;
 191
 192                 if (strcmp(sym, plugin_funcs[i].name) != 0)
 193                         continue;
 194
 195                 return plugin_funcs[i].func;
 196         }
 197
 198         fprintf(stderr, "plugin_link: missing symbol %d %s\n", id, sym);
 199         return NULL;
 200 }
 201