/*
* Function starts Read and write operation and transfers received data to TTY core. It pulls down MRDY signal
* in case of single frame transfer then sets "ifx_read_write_completion" to indicate transfer complete.
*/
static void
ifx_spi_send_and_receive_data(struct ifx_spi_data *spi_data)
{
unsigned int rx_valid_buf_size;
int status = 0;
int recieve_copied ;
//printk("ifx_spi_sync_read_write %d \n ", ifx_current_frame_size+IFX_SPI_HEADER_SIZE) ;
status = ifx_spi_sync_read_write(spi_data, ifx_current_frame_size+IFX_SPI_HEADER_SIZE); /* 4 bytes for header */
if(status > 0){
memset(ifx_tx_buffer,0,IFX_SPI_MAX_BUF_SIZE+IFX_SPI_HEADER_SIZE);
ifx_ret_count = ifx_ret_count + ifx_valid_frame_size;
}
// hgahn
if(memcmp(rx_dummy1, ifx_rx_buffer, IFX_SPI_HEADER_SIZE) ==0) {
ifx_receiver_buf_size = 0;
if (!ifx_master_initiated_transfer)
printk(">> spi dummy \n") ;
return;
}else if(memcmp(rx_dummy2, ifx_rx_buffer, IFX_SPI_HEADER_SIZE) ==0) {
ifx_receiver_buf_size = 0;
// printk("received dummy2 err") ;
return;
}
/* Handling Received data */
ifx_receiver_buf_size = ifx_spi_get_header_info(&rx_valid_buf_size);
// hgahn
if((spi_data->throttle == 0) && (rx_valid_buf_size != 0)){ //&& !(spi_data->ifx_spi_lock)){
if(spi_data->ifx_tty){
recieve_copied = tty_insert_flip_string(spi_data->ifx_tty, ifx_rx_buffer+IFX_SPI_HEADER_SIZE, rx_valid_buf_size);
// if(recieve_copied)
tty_flip_buffer_push(spi_data->ifx_tty);
//else
// printk("tty_insert_flip_string err") ;
}
else {
printk("no tty err \n") ;
}
}
/*else
{
handle RTS and CTS in SPI flow control
Reject the packet as of now
}*/
}
/*
* Function starts Read and write operation and transfers received data to TTY core. It pulls down MRDY signal
* in case of single frame transfer then sets "ifx_read_write_completion" to indicate transfer complete.
*/
static void
ifx_spi_send_and_receive_data(struct ifx_spi_data *spi_data)
{
unsigned int rx_valid_buf_size;
int status = 0;
status = ifx_spi_sync_read_write(spi_data, ifx_current_frame_size+IFX_SPI_HEADER_SIZE); /* 4 bytes for header */
if(status > 0){
#if defined(LGE_DUMP_SPI_BUFFER)
dump_spi_buffer("ifx_spi_send_and_receive_data()[Trans]", &(ifx_tx_buffer[4]), COL_SIZE);
#elif defined(LGE_VT_DATA_DUMP)
dump_spi_wr_buffer(&(ifx_tx_buffer[4]), ifx_valid_frame_size + 4);
#endif
memset(ifx_tx_buffer,0,IFX_SPI_MAX_BUF_SIZE+IFX_SPI_HEADER_SIZE);
ifx_ret_count = ifx_ret_count + ifx_valid_frame_size;
}
// hgahn
if(memcmp(rx_dummy, ifx_rx_buffer, IFX_SPI_HEADER_SIZE) ==0) {
ifx_receiver_buf_size = 0;
return;
}
/* Handling Received data */
ifx_receiver_buf_size = ifx_spi_get_header_info(&rx_valid_buf_size);
// hgahn
if((spi_data->throttle == 0) && (rx_valid_buf_size != 0) && !(spi_data->ifx_spi_lock)){
#ifdef LGE_DUMP_SPI_BUFFER
dump_spi_buffer("ifx_spi_send_and_receive_data()[Recev]", &(ifx_rx_buffer[4]), COL_SIZE);
#elif defined(LGE_VT_DATA_DUMP)
//dump_spi_rd_buffer(&(ifx_rx_buffer[4]), rx_valid_buf_size-2); /* MUX에서의 Ctrl & Flag Byte 제거 */
#endif
tty_insert_flip_string(spi_data->ifx_tty, ifx_rx_buffer+IFX_SPI_HEADER_SIZE, rx_valid_buf_size);
tty_flip_buffer_push(spi_data->ifx_tty);
}
/*else
{
handle RTS and CTS in SPI flow control
Reject the packet as of now
}*/
}
/*
* Function starts Read and write operation and transfers received data to TTY core. It pulls down MRDY signal
* in case of single frame transfer then sets "ifx_read_write_completion" to indicate transfer complete.
*/
static void ifx_spi_send_and_receive_data(struct ifx_spi_data *spi_data)
{
unsigned int rx_valid_buf_size;
int status = 0;
int recieve_copied ;
IFX_SPI_DEBUG(" curr frame size = %d, total size=%d\n ",
spi_data->ifx_current_frame_size, spi_data->ifx_current_frame_size+IFX_SPI_HEADER_SIZE) ;
status = ifx_spi_sync_read_write(spi_data, spi_data->ifx_current_frame_size+IFX_SPI_HEADER_SIZE); /* 4 bytes for header */
IFX_SPI_DEBUG("status = %d ", status);
#ifdef IFX_SPI_DUMP_LOG
IFX_SPI_PRINTK("SPI TX ----------------- ");
ifx_dump_atcmd(spi_data->ifx_tx_buffer+IFX_SPI_HEADER_SIZE+2);
#endif
if(status > 0)
{
memset(spi_data->ifx_tx_buffer,0,IFX_SPI_MAX_BUF_SIZE+IFX_SPI_HEADER_SIZE);
spi_data->ifx_ret_count = spi_data->ifx_ret_count + spi_data->ifx_valid_frame_size;
}
//ifx modem에서만 rx buf에 data 없으면 return...
if (*((int*)spi_data->ifx_rx_buffer) == 0xFFFFFFFF)
{
spi_data->ifx_receiver_buf_size = 0;
IFX_SPI_DEBUG("received data is nothing..");
return;
}
/* Handling Received data */
spi_data->ifx_receiver_buf_size = ifx_spi_get_header_info(spi_data->ifx_rx_buffer, &rx_valid_buf_size);
// spi에서 rx data가 존재하면 tty 로 전송
if((spi_data->throttle == 0) && (rx_valid_buf_size != 0))
{
if(spi_data->ifx_tty)
{
#if defined(LGE_DUMP_SPI_BUFFER)
dump_spi_buffer("SPI RX", &spi_data->ifx_rx_buffer[4], COL_SIZE);
#endif
#ifdef IFX_SPI_DUMP_LOG
IFX_SPI_PRINTK("SPI RX ----------------- ");
ifx_dump_atcmd(spi_data->ifx_rx_buffer+IFX_SPI_HEADER_SIZE+2) ;
#endif
/* spi에서 rx data가 존재하면 tty 로 전송 */
#ifdef IFX_SPI_SPEED_MEASUREMENT
uiRxlen[spi_data->ifx_tty->index] = rx_valid_buf_size+IFX_SPI_HEADER_SIZE;
#endif
recieve_copied = tty_insert_flip_string(spi_data->ifx_tty,
(spi_data->ifx_rx_buffer+IFX_SPI_HEADER_SIZE),
rx_valid_buf_size);
// if(recieve_copied)
tty_flip_buffer_push(spi_data->ifx_tty);
//else
// printk("tty_insert_flip_string err") ;
}
else
{
IFX_SPI_DEBUG("no tty err ") ;
}
}
/*else
{
handle RTS and CTS in SPI flow control
Reject the packet as of now
}*/
#ifdef WAKE_LOCK_RESUME
if(spi_data->wake_lock_flag)
{
spi_data->wake_lock_flag = 0;
}
#endif
}
