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#include <dolphin/dolphin.h>
#include <dolphin/exi.h>
static BOOL Initialized;
int AD16Init(void) {
int err;
u32 cmd;
u32 id;
if (Initialized) {
return 1;
}
if (!EXILock(2, 0, NULL)) {
return 0;
}
if (!EXISelect(2, 0, EXI_FREQ_1M)) {
EXIUnlock(2);
return 0;
}
cmd = 0;
err = 0;
err |= !EXIImm(2, &cmd, 2, EXI_WRITE, NULL);
err |= !EXISync(2);
err |= !EXIImm(2, &id, 4, EXI_READ, NULL);
err |= !EXISync(2);
err |= !EXIDeselect(2);
EXIUnlock(2);
if (err != 0 || (id - 0x04120000) != 0) {
return 0;
}
Initialized = TRUE;
return 1;
}
int AD16WriteReg(u32 word) {
int err;
u32 cmd;
if (!Initialized || !EXILock(2, 0, NULL)) {
return 0;
}
if (!EXISelect(2, 0, EXI_FREQ_8M)) {
EXIUnlock(2);
return 0;
}
cmd = 0xA0000000;
err = 0;
err |= !EXIImm(2, &cmd, 1, EXI_WRITE, NULL);
err |= !EXISync(2);
err |= !EXIImm(2, &word, 4, EXI_WRITE, NULL);
err |= !EXISync(2);
err |= !EXIDeselect(2);
EXIUnlock(2);
if (err != 0) {
return 0;
}
return 1;
}
int AD16ReadReg(u32* word) {
int err;
u32 cmd;
if (!Initialized || !EXILock(2, 0, NULL)) {
return 0;
}
if (!EXISelect(2, 0, EXI_FREQ_8M)) {
EXIUnlock(2);
return 0;
}
cmd = 0xA2000000;
err = 0;
err |= !EXIImm(2, &cmd, 1, EXI_WRITE, NULL);
err |= !EXISync(2);
err |= !EXIImm(2, word, 4, EXI_READ, NULL);
err |= !EXISync(2);
err |= !EXIDeselect(2);
EXIUnlock(2);
if (err != 0) {
return 0;
}
return 1;
}
BOOL AD16Probe(void) {
return Initialized;
}
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