TLAN_NET_CMD
tmp = tlan_dio_read8(dev->base_addr, TLAN_NET_CMD);
TLAN_NET_CMD, tmp | TLAN_NET_CMD_CAF);
tmp = tlan_dio_read8(dev->base_addr, TLAN_NET_CMD);
TLAN_NET_CMD, tmp & ~TLAN_NET_CMD_CAF);
tlan_dio_write8(dev->base_addr, TLAN_NET_CMD, data);