3  * usb-serial driver for Quatech USB 2 devices
8  *  for all serial ports.
19 #include <linux/serial.h>
21 #include <linux/usb/serial.h>
64 #define DRIVER_DESC "Quatech 2nd gen USB to Serial Driver"
134 static void qt2_release(struct usb_serial *serial)  in qt2_release()  argument
138 	serial_priv = usb_get_serial_data(serial);  in qt2_release()
211 	struct usb_device *dev = port->serial->dev;  in update_mctrl()
237 static int qt2_calc_num_ports(struct usb_serial *serial,  in qt2_calc_num_ports()  argument
244 		if (d.product_id == le16_to_cpu(serial->dev->descriptor.idProduct))  in qt2_calc_num_ports()
249 	dev_err(&serial->dev->dev,  in qt2_calc_num_ports()
259 	struct usb_device *dev = port->serial->dev;  in qt2_set_termios()
316 	struct usb_serial *serial;  in qt2_open()  local
325 	serial = port->serial;  in qt2_open()
330 	status = qt2_control_msg(serial->dev, QT2_GET_SET_QMCR,  in qt2_open()
344 	status = usb_control_msg(serial->dev,  in qt2_open()
345 				 usb_rcvctrlpipe(serial->dev, 0),  in qt2_open()
367 	status = qt2_set_port_config(serial->dev, device_port,  in qt2_open()
386 	struct usb_serial *serial;  in qt2_close()  local
390 	serial = port->serial;  in qt2_close()
396 	i = usb_control_msg(serial->dev,  in qt2_close()
397 			    usb_sndctrlpipe(serial->dev, 0),  in qt2_close()
406 	i = usb_control_msg(serial->dev,  in qt2_close()
407 			    usb_sndctrlpipe(serial->dev, 0),  in qt2_close()
416 	i = usb_control_msg(serial->dev,  in qt2_close()
417 			    usb_sndctrlpipe(serial->dev, 0),  in qt2_close()
427 static void qt2_disconnect(struct usb_serial *serial)  in qt2_disconnect()  argument
429 	struct qt2_serial_private *serial_priv = usb_get_serial_data(serial);  in qt2_disconnect()
448 	struct usb_serial *serial;  in qt2_process_read_urb()  local
461 	serial = urb->context;  in qt2_process_read_urb()
462 	serial_priv = usb_get_serial_data(serial);  in qt2_process_read_urb()
463 	port = serial->port[serial_priv->current_port];  in qt2_process_read_urb()
506 				if (newport > serial->num_ports) {  in qt2_process_read_urb()
514 				port = serial->port[serial_priv->current_port];  in qt2_process_read_urb()
564 	struct usb_serial *serial = urb->context;  in qt2_read_bulk_callback()  local
568 		dev_warn(&serial->dev->dev,  in qt2_read_bulk_callback()
578 		dev_err(&serial->dev->dev,  in qt2_read_bulk_callback()
583 static int qt2_setup_urbs(struct usb_serial *serial)  in qt2_setup_urbs()  argument
589 	port0 = serial->port[0];  in qt2_setup_urbs()
591 	serial_priv = usb_get_serial_data(serial);  in qt2_setup_urbs()
596 	usb_fill_bulk_urb(serial_priv->read_urb, serial->dev,  in qt2_setup_urbs()
597 			  usb_rcvbulkpipe(serial->dev,  in qt2_setup_urbs()
601 			  qt2_read_bulk_callback, serial);  in qt2_setup_urbs()
605 		dev_err(&serial->dev->dev,  in qt2_setup_urbs()
614 static int qt2_attach(struct usb_serial *serial)  in qt2_attach()  argument
620 	status = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),  in qt2_attach()
624 		dev_err(&serial->dev->dev,  in qt2_attach()
639 	usb_set_serial_data(serial, serial_priv);  in qt2_attach()
641 	status = qt2_setup_urbs(serial);  in qt2_attach()
656 	struct usb_serial *serial = port->serial;  in qt2_port_probe()  local
676 	bEndpointAddress = serial->port[0]->bulk_out_endpointAddress;  in qt2_port_probe()
677 	usb_fill_bulk_urb(port_priv->write_urb, serial->dev,  in qt2_port_probe()
678 				usb_sndbulkpipe(serial->dev, bEndpointAddress),  in qt2_port_probe()
706 	struct usb_device *dev = port->serial->dev;  in qt2_tiocmget()
755 	status = qt2_control_msg(port->serial->dev, QT2_BREAK_CONTROL,  in qt2_break_ctl()
771 	struct usb_device *dev = port->serial->dev;  in qt2_dtr_rts()
927 		.name = "quatech-serial",