Cross Reference: /drivers/usb/serial/io

Lines Matching refs:fifo
86 	unsigned char	*fifo;	/* allocated Buffer */
94 	struct TxFifo		txfifo;			/* transmit fifo -- size will be maxTxCredits */
927 	edge_port->txfifo.fifo	= kmalloc(edge_port->maxTxCredits, GFP_KERNEL);
929 	if (!edge_port->txfifo.fifo) {
945 	dbg("%s(%d) - Initialize TX fifo to %d bytes",
1023 	struct TxFifo *fifo = &edge_port->txfifo;
1030 		lastCount = fifo->count;
1046 		if (lastCount == fifo->count) {
1120 	kfree(edge_port->txfifo.fifo);
1121 	edge_port->txfifo.fifo = NULL;
1137 	struct TxFifo *fifo;
1149 	/* get a pointer to the Tx fifo */
1150 	fifo = &edge_port->txfifo;
1154 	/* calculate number of bytes to put in fifo */
1156 				(edge_port->txCredits - fifo->count));
1160 			edge_port->txCredits - fifo->count, copySize);
1176 	bytesleft = fifo->size - fifo->head;
1178 	dbg("%s - copy %d bytes of %d into fifo ", __func__,
1182 	memcpy(&fifo->fifo[fifo->head], data, firsthalf);
1184 					firsthalf, &fifo->fifo[fifo->head]);
1187 	fifo->head  += firsthalf;
1188 	fifo->count += firsthalf;
1191 	if (fifo->head == fifo->size)
1192 		fifo->head = 0;
1198 		memcpy(&fifo->fifo[fifo->head], &data[firsthalf], secondhalf);
1200 					secondhalf, &fifo->fifo[fifo->head]);
1202 		fifo->count += secondhalf;
1203 		fifo->head  += secondhalf;
1205 		 * the fifo in this part
1216 				copySize, edge_port->txCredits, fifo->count);
1238 	struct TxFifo	*fifo = &edge_port->txfifo;
1254 	    (fifo->count == 0)) {
1255 		dbg("%s(%d) EXIT - fifo %d, PendingWrite = %d",
1257 				fifo->count, edge_port->write_in_progress);
1261 	/* since the amount of data in the fifo will always fit into the
1269 		dbg("%s(%d) Not enough credit - fifo %d TxCredit %d",
1270 			__func__, edge_port->port->number, fifo->count,
1287 	count = fifo->count;
1301 	bytesleft =  fifo->size - fifo->tail;
1303 	memcpy(&buffer[2], &fifo->fifo[fifo->tail], firsthalf);
1304 	fifo->tail  += firsthalf;
1305 	fifo->count -= firsthalf;
1306 	if (fifo->tail == fifo->size)
1307 		fifo->tail = 0;
1311 		memcpy(&buffer[2+firsthalf], &fifo->fifo[fifo->tail],
1313 		fifo->tail  += secondhalf;
1314 		fifo->count -= secondhalf;
1345 			__func__, count, edge_port->txCredits, fifo->count);