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#include "PRinternal/macros.h"
#include "PR/os_internal.h"
#include "PR/rcp.h"
#include "PRinternal/controller.h"
#include "PRinternal/siint.h"
static void __osPackEepWriteData(u8 address, u8* buffer);
s32 osEepromWrite(OSMesgQueue* mq, u8 address, u8* buffer) {
s32 ret = 0;
#if BUILD_VERSION < VERSION_J
int i;
#endif
u16 type;
u8* ptr = (u8*)&__osEepPifRam.ramarray;
__OSContEepromFormat eepromformat;
OSContStatus sdata;
#if BUILD_VERSION >= VERSION_L
u8 temp[8];
#endif
__osSiGetAccess();
ret = __osEepStatus(mq, &sdata);
#if BUILD_VERSION < VERSION_J
ret = __osEepStatus(mq, &sdata); // Duplicate that was removed in 2.0J
#endif
type = sdata.type & (CONT_EEPROM | CONT_EEP16K);
#if BUILD_VERSION >= VERSION_J
if (ret == 0) {
switch (type) {
case CONT_EEPROM:
if (address >= EEPROM_MAXBLOCKS) {
ret = CONT_RANGE_ERROR;
}
break;
case CONT_EEPROM | CONT_EEP16K:
if (address >= EEP16K_MAXBLOCKS) {
// not technically possible
ret = CONT_RANGE_ERROR;
}
#if BUILD_VERSION >= VERSION_L
else if (__osEepromRead16K) {
__osEepromRead16K = 0;
__osSiRelAccess();
osEepromRead(mq, (address ^ 1), temp);
__osSiGetAccess();
}
#endif
break;
default:
ret = CONT_NO_RESPONSE_ERROR;
}
}
if (ret != 0) {
__osSiRelAccess();
return ret;
}
#else
if (ret != 0) {
__osSiRelAccess();
return CONT_NO_RESPONSE_ERROR;
} else {
switch (type) {
case CONT_EEPROM:
if (address > EEPROM_MAXBLOCKS) {
__osSiRelAccess();
return -1;
}
break;
case CONT_EEPROM | CONT_EEP16K:
if (address > EEP16K_MAXBLOCKS) {
// not technically possible
__osSiRelAccess();
return -1;
}
break;
default:
__osSiRelAccess();
return CONT_NO_RESPONSE_ERROR;
}
}
#endif
while (sdata.status & CONT_EEPROM_BUSY) {
__osEepStatus(mq, &sdata);
}
__osPackEepWriteData(address, buffer);
ret = __osSiRawStartDma(OS_WRITE, &__osEepPifRam); // send command to pif
osRecvMesg(mq, NULL, OS_MESG_BLOCK);
ret = __osSiRawStartDma(OS_READ, &__osEepPifRam); // recv response
__osContLastCmd = CONT_CMD_WRITE_EEPROM;
osRecvMesg(mq, NULL, OS_MESG_BLOCK);
// skip the first 4 bytes
#if BUILD_VERSION >= VERSION_J
ptr += 4;
#else
for (i = 0; i < 4; i++) {
ptr++;
}
#endif
eepromformat = *(__OSContEepromFormat*)ptr;
ret = CHNL_ERR(eepromformat);
__osSiRelAccess();
return ret;
}
static void __osPackEepWriteData(u8 address, u8* buffer) {
u8* ptr = (u8*)&__osEepPifRam.ramarray;
__OSContEepromFormat eepromformat;
int i;
#if BUILD_VERSION < VERSION_J
for (i = 0; i < ARRLEN(__osEepPifRam.ramarray); i++) {
__osEepPifRam.ramarray[i] = CONT_CMD_NOP;
}
#endif
__osEepPifRam.pifstatus = CONT_CMD_EXE;
eepromformat.txsize = CONT_CMD_WRITE_EEPROM_TX;
eepromformat.rxsize = CONT_CMD_WRITE_EEPROM_RX;
eepromformat.cmd = CONT_CMD_WRITE_EEPROM;
eepromformat.address = address;
for (i = 0; i < ARRLEN(eepromformat.data); i++) {
eepromformat.data[i] = *buffer++;
}
for (i = 0; i < MAXCONTROLLERS; i++) {
*ptr++ = 0;
}
*(__OSContEepromFormat*)(ptr) = eepromformat;
ptr += sizeof(__OSContEepromFormat);
ptr[0] = CONT_CMD_END;
}
s32 __osEepStatus(OSMesgQueue* mq, OSContStatus* data) {
s32 ret = 0;
int i;
u8* ptr = (u8*)__osEepPifRam.ramarray;
__OSContRequesFormat requestformat;
for (i = 0; i < ARRLEN(__osEepPifRam.ramarray) + 1; i++) {
__osEepPifRam.ramarray[i] = 0;
}
__osEepPifRam.pifstatus = CONT_CMD_EXE;
ptr = (u8*)__osEepPifRam.ramarray;
for (i = 0; i < MAXCONTROLLERS; i++) {
*ptr++ = CONT_CMD_REQUEST_STATUS;
}
requestformat.dummy = CONT_CMD_NOP;
requestformat.txsize = CONT_CMD_REQUEST_STATUS_TX;
requestformat.rxsize = CONT_CMD_REQUEST_STATUS_RX;
requestformat.cmd = CONT_CMD_REQUEST_STATUS;
requestformat.typeh = CONT_CMD_NOP;
requestformat.typel = CONT_CMD_NOP;
requestformat.status = CONT_CMD_NOP;
requestformat.dummy1 = CONT_CMD_NOP;
*(__OSContRequesFormat*)ptr = requestformat;
ptr += sizeof(__OSContRequesFormat);
*ptr = CONT_CMD_END;
ret = __osSiRawStartDma(OS_WRITE, &__osEepPifRam);
osRecvMesg(mq, NULL, OS_MESG_BLOCK);
#if BUILD_VERSION >= VERSION_J
__osContLastCmd = CONT_CMD_END;
#else
__osContLastCmd = CONT_CMD_REQUEST_STATUS;
#endif
ret = __osSiRawStartDma(OS_READ, &__osEepPifRam);
osRecvMesg(mq, NULL, OS_MESG_BLOCK);
if (ret != 0) {
return ret;
}
ptr = (u8*)&__osEepPifRam;
for (i = 0; i < MAXCONTROLLERS; i++) {
*ptr++ = 0;
}
requestformat = *(__OSContRequesFormat*)ptr;
data->errno = CHNL_ERR(requestformat);
data->type = (requestformat.typel << 8) | requestformat.typeh;
data->status = requestformat.status;
if (data->errno != 0) {
return data->errno;
}
return 0;
}
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