ssize_t SendRcpAck(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
unsigned long keyCode = 0x100;
unsigned long errCode = 0x100;
char *pStr;
int status = -EINVAL;
SII_DEBUG_PRINT(SII_OSAL_DEBUG_TRACE,"SendRcpAck received buf len = %d\n", count);
while(count)
{
SII_DEBUG_PRINT(SII_OSAL_DEBUG_TRACE,"SendRcpAck received string: ""%s""\n", buf);
pStr = strstr(buf, "keycode=");
if(pStr != NULL)
{
if(strict_strtoul(pStr + strlen("keycode="), 0, &keyCode)) {
SII_DEBUG_PRINT(SII_OSAL_DEBUG_TRACE, "Unable to convert keycode string\n");
break;
}
}
pStr = strstr(buf, "errorcode=");
if(pStr != NULL) {
if(strict_strtoul(pStr + strlen("errorcode="), 0, &errCode)) {
SII_DEBUG_PRINT(SII_OSAL_DEBUG_TRACE, "Unable to convert keycode string\n");
break;
}
}
while(--count&&*buf++);
}
if((keyCode > 0xFF) || (errCode > 0xFF)) {
SII_DEBUG_PRINT(SII_OSAL_DEBUG_TRACE,"Invalid key code or error code "\
"specified, key code: 0x%02x error code: 0x%02x\n",
(int)keyCode, (int)errCode);
return status;
}
if(HalAcquireIsrLock() != HAL_RET_SUCCESS)
{
return -ERESTARTSYS;
}
while(gDriverContext.flags & MHL_STATE_FLAG_RCP_READY) {
if((keyCode != gDriverContext.keyCode)
|| !(gDriverContext.flags & MHL_STATE_FLAG_RCP_RECEIVED)) {
SII_DEBUG_PRINT(SII_OSAL_DEBUG_TRACE,
"Attempting to ACK a key code that was not received!\n");
break;
}
if(errCode == 0) {
SiiMhlTxRcpkSend((uint8_t)keyCode);
} else {
SiiMhlTxRcpeSend((uint8_t)errCode);
}
status = count;
break;
}
HalReleaseIsrLock();
return status;
}
void SiiMhlTxGetEvents(uint8_t *event, uint8_t *eventParameter)
{
TPI_Poll();
MhlTxDriveStates();
*event = MHL_TX_EVENT_NONE;
*eventParameter = 0;
if (mhlTxConfig.mhlConnectionEvent) {
TPI_DEBUG_PRINT(("MhlTx: SiiMhlTxGetEvents mhlConnectionEvent\n"));
mhlTxConfig.mhlConnectionEvent = false;
*event = mhlTxConfig.mhlConnected;
*eventParameter = mhlTxConfig.mscFeatureFlag;
if (MHL_TX_EVENT_DISCONNECTION == mhlTxConfig.mhlConnected) {
MhlTxResetStates();
} else if (MHL_TX_EVENT_CONNECTION == mhlTxConfig.mhlConnected) {
WriteByteCBUS(0x13, 0x30) ;
WriteByteCBUS(0x14, 0x01) ;
WriteByteCBUS(0x12, 0x08) ;
WriteByteCBUS(0x13, 0x20) ;
WriteByteCBUS(0x14, 0x01) ;
WriteByteCBUS(0x12, 0x08) ;
}
} else if (mhlTxConfig.mscMsgArrived) {
TPI_DEBUG_PRINT(("MhlTx: SiiMhlTxGetEvents MSC MSG <%02X, %02X>\n",
(int) (mhlTxConfig.mscMsgSubCommand),
(int) (mhlTxConfig.mscMsgData)));
mhlTxConfig.mscMsgArrived = false;
switch (mhlTxConfig.mscMsgSubCommand) {
case MHL_MSC_MSG_RAP:
if (0x10 == mhlTxConfig.mscMsgData)
SiiMhlTxDrvTmdsControl(true);
else if (0x11 == mhlTxConfig.mscMsgData)
SiiMhlTxDrvTmdsControl(false);
SiiMhlTxRapkSend();
break;
case MHL_MSC_MSG_RCP:
if (MHL_LOGICAL_DEVICE_MAP & rcpSupportTable[mhlTxConfig.mscMsgData & 0x7F]) {
*event = MHL_TX_EVENT_RCP_RECEIVED;
*eventParameter = mhlTxConfig.mscMsgData;
} else {
mhlTxConfig.mscSaveRcpKeyCode = mhlTxConfig.mscMsgData;
SiiMhlTxRcpeSend(RCPE_INEEFECTIVE_KEY_CODE);
}
break;
case MHL_MSC_MSG_RCPK:
*event = MHL_TX_EVENT_RCPK_RECEIVED;
*eventParameter = mhlTxConfig.mscMsgData;
break;
case MHL_MSC_MSG_RCPE:
*event = MHL_TX_EVENT_RCPE_RECEIVED;
*eventParameter = mhlTxConfig.mscMsgData;
break;
case MHL_MSC_MSG_RAPK:
break;
default:
break;
}
}
}
