usb/serial/cyberjack.c

49 static int cyberjack_port_probe(struct usb_serial_port *port);
50 static void cyberjack_port_remove(struct usb_serial_port *port);
52 	struct usb_serial_port *port);
53 static void cyberjack_close(struct usb_serial_port *port);
55 	struct usb_serial_port *port, const unsigned char *buf, int count);
100 static int cyberjack_port_probe(struct usb_serial_port *port)
114 	usb_set_serial_port_data(port, priv);
116 	result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
118 		dev_err(&port->dev, "usb_submit_urb(read int) failed\n");
123 static void cyberjack_port_remove(struct usb_serial_port *port)
127 	usb_kill_urb(port->interrupt_in_urb);
129 	priv = usb_get_serial_port_data(port);
134 					struct usb_serial_port *port)
139 	dev_dbg(&port->dev, "%s - usb_clear_halt\n", __func__);
140 	usb_clear_halt(port->serial->dev, port->write_urb->pipe);
142 	priv = usb_get_serial_port_data(port);
152 static void cyberjack_close(struct usb_serial_port *port)
154 	usb_kill_urb(port->write_urb);
155 	usb_kill_urb(port->read_urb);
159 	struct usb_serial_port *port, const unsigned char *buf, int count)
161 	struct device *dev = &port->dev;
162 	struct cyberjack_private *priv = usb_get_serial_port_data(port);
172 	if (!test_and_clear_bit(0, &port->write_urbs_free)) {
183 		set_bit(0, &port->write_urbs_free);
204 		length = (wrexpected > port->bulk_out_size) ?
205 					port->bulk_out_size : wrexpected;
207 		memcpy(port->write_urb->transfer_buffer, priv->wrbuf, length);
211 		port->write_urb->transfer_buffer_length = length;
213 		/* send the data out the bulk port */
214 		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
216 			dev_err(&port->dev,
223 			set_bit(0, &port->write_urbs_free);
251 	struct usb_serial_port *port = urb->context;
252 	struct cyberjack_private *priv = usb_get_serial_port_data(port);
253 	struct device *dev = &port->dev;
290 			result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
299 	result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
301 		dev_err(&port->dev, "usb_submit_urb(read int) failed\n");
307 	struct usb_serial_port *port = urb->context;
308 	struct cyberjack_private *priv = usb_get_serial_port_data(port);
309 	struct device *dev = &port->dev;
324 		tty_insert_flip_string(&port->port, data, urb->actual_length);
325 		tty_flip_buffer_push(&port->port);
342 	if (todo /* || (urb->actual_length==port->bulk_in_endpointAddress)*/) {
343 		result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
353 	struct usb_serial_port *port = urb->context;
354 	struct cyberjack_private *priv = usb_get_serial_port_data(port);
355 	struct device *dev = &port->dev;
363 		set_bit(0, &port->write_urbs_free);
375 		length = ((priv->wrfilled - priv->wrsent) > port->bulk_out_size) ?
376 			port->bulk_out_size : (priv->wrfilled - priv->wrsent);
378 		memcpy(port->write_urb->transfer_buffer,
383 		port->write_urb->transfer_buffer_length = length;
385 		/* send the data out the bulk port */
386 		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
415 		set_bit(0, &port->write_urbs_free);
416 	usb_serial_port_softint(port);