50 static void opticon_process_data_packet(struct usb_serial_port *port,  in opticon_process_data_packet()  argument
53 	tty_insert_flip_string(&port->port, buf, len);  in opticon_process_data_packet()
54 	tty_flip_buffer_push(&port->port);  in opticon_process_data_packet()
57 static void opticon_process_status_packet(struct usb_serial_port *port,  in opticon_process_status_packet()  argument
60 	struct opticon_private *priv = usb_get_serial_port_data(port);  in opticon_process_status_packet()
73 	struct usb_serial_port *port = urb->context;  in opticon_process_read_urb()  local
79 		dev_dbg(&port->dev, "malformed packet received: %d bytes\n",  in opticon_process_read_urb()
93 		opticon_process_data_packet(port, data, data_len);  in opticon_process_read_urb()
95 		opticon_process_status_packet(port, data, data_len);  in opticon_process_read_urb()
97 		dev_dbg(&port->dev, "unknown packet received: %02x %02x\n",  in opticon_process_read_urb()
102 static int send_control_msg(struct usb_serial_port *port, u8 requesttype,  in send_control_msg()  argument
105 	struct usb_serial *serial = port->serial;  in send_control_msg()
128 static int opticon_open(struct tty_struct *tty, struct usb_serial_port *port)  in opticon_open()  argument
130 	struct opticon_private *priv = usb_get_serial_port_data(port);  in opticon_open()
139 	send_control_msg(port, CONTROL_RTS, 0);  in opticon_open()
142 	usb_clear_halt(port->serial->dev, port->read_urb->pipe);  in opticon_open()
144 	res = usb_serial_generic_open(tty, port);  in opticon_open()
150 	send_control_msg(port, RESEND_CTS_STATE, 1);  in opticon_open()
157 	struct usb_serial_port *port = urb->context;  in opticon_write_control_callback()  local
158 	struct opticon_private *priv = usb_get_serial_port_data(port);  in opticon_write_control_callback()
169 		dev_dbg(&port->dev,  in opticon_write_control_callback()
177 	usb_serial_port_softint(port);  in opticon_write_control_callback()
180 static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,  in opticon_write()  argument
183 	struct opticon_private *priv = usb_get_serial_port_data(port);  in opticon_write()
184 	struct usb_serial *serial = port->serial;  in opticon_write()
194 		dev_dbg(&port->dev, "%s - write limit hit\n", __func__);  in opticon_write()
214 	usb_serial_debug_data(&port->dev, __func__, count, buffer);  in opticon_write()
233 		opticon_write_control_callback, port);  in opticon_write()
238 		dev_err(&port->dev,  in opticon_write()
265 	struct usb_serial_port *port = tty->driver_data;  in opticon_write_room()  local
266 	struct opticon_private *priv = usb_get_serial_port_data(port);  in opticon_write_room()
277 		dev_dbg(&port->dev, "%s - write limit hit\n", __func__);  in opticon_write_room()
287 	struct usb_serial_port *port = tty->driver_data;  in opticon_tiocmget()  local
288 	struct opticon_private *priv = usb_get_serial_port_data(port);  in opticon_tiocmget()
299 	dev_dbg(&port->dev, "%s - %x\n", __func__, result);  in opticon_tiocmget()
306 	struct usb_serial_port *port = tty->driver_data;  in opticon_tiocmset()  local
307 	struct opticon_private *priv = usb_get_serial_port_data(port);  in opticon_tiocmset()
327 	ret = send_control_msg(port, CONTROL_RTS, !rts);  in opticon_tiocmset()
334 static int get_serial_info(struct usb_serial_port *port,  in get_serial_info()  argument
346 	tmp.line		= port->minor;  in get_serial_info()
347 	tmp.port		= 0;  in get_serial_info()
363 	struct usb_serial_port *port = tty->driver_data;  in opticon_ioctl()  local
367 		return get_serial_info(port,  in opticon_ioctl()
384 static int opticon_port_probe(struct usb_serial_port *port)  in opticon_port_probe()  argument
394 	usb_set_serial_port_data(port, priv);  in opticon_port_probe()
399 static int opticon_port_remove(struct usb_serial_port *port)  in opticon_port_remove()  argument
401 	struct opticon_private *priv = usb_get_serial_port_data(port);  in opticon_port_remove()