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()
219 	struct usb_device *dev = port->serial->dev;  in update_mctrl()
245 static int qt2_calc_num_ports(struct usb_serial *serial,  in qt2_calc_num_ports()  argument
252 		if (d.product_id == le16_to_cpu(serial->dev->descriptor.idProduct))  in qt2_calc_num_ports()
257 	dev_err(&serial->dev->dev,  in qt2_calc_num_ports()
267 	struct usb_device *dev = port->serial->dev;  in qt2_set_termios()
338 	struct usb_serial *serial;  in qt2_open()  local
347 	serial = port->serial;  in qt2_open()
352 	status = qt2_control_msg(serial->dev, QT2_GET_SET_QMCR,  in qt2_open()
366 	status = usb_control_msg(serial->dev,  in qt2_open()
367 				 usb_rcvctrlpipe(serial->dev, 0),  in qt2_open()
389 	status = qt2_set_port_config(serial->dev, device_port,  in qt2_open()
408 	struct usb_serial *serial;  in qt2_close()  local
412 	serial = port->serial;  in qt2_close()
418 	i = usb_control_msg(serial->dev,  in qt2_close()
419 			    usb_sndctrlpipe(serial->dev, 0),  in qt2_close()
428 	i = usb_control_msg(serial->dev,  in qt2_close()
429 			    usb_sndctrlpipe(serial->dev, 0),  in qt2_close()
438 	i = usb_control_msg(serial->dev,  in qt2_close()
439 			    usb_sndctrlpipe(serial->dev, 0),  in qt2_close()
449 static void qt2_disconnect(struct usb_serial *serial)  in qt2_disconnect()  argument
451 	struct qt2_serial_private *serial_priv = usb_get_serial_data(serial);  in qt2_disconnect()
470 	struct usb_serial *serial;  in qt2_process_read_urb()  local
483 	serial = urb->context;  in qt2_process_read_urb()
484 	serial_priv = usb_get_serial_data(serial);  in qt2_process_read_urb()
485 	port = serial->port[serial_priv->current_port];  in qt2_process_read_urb()
528 				if (newport > serial->num_ports) {  in qt2_process_read_urb()
536 				port = serial->port[serial_priv->current_port];  in qt2_process_read_urb()
586 	struct usb_serial *serial = urb->context;  in qt2_read_bulk_callback()  local
590 		dev_warn(&serial->dev->dev,  in qt2_read_bulk_callback()
600 		dev_err(&serial->dev->dev,  in qt2_read_bulk_callback()
605 static int qt2_setup_urbs(struct usb_serial *serial)  in qt2_setup_urbs()  argument
611 	port0 = serial->port[0];  in qt2_setup_urbs()
613 	serial_priv = usb_get_serial_data(serial);  in qt2_setup_urbs()
618 	usb_fill_bulk_urb(serial_priv->read_urb, serial->dev,  in qt2_setup_urbs()
619 			  usb_rcvbulkpipe(serial->dev,  in qt2_setup_urbs()
623 			  qt2_read_bulk_callback, serial);  in qt2_setup_urbs()
627 		dev_err(&serial->dev->dev,  in qt2_setup_urbs()
636 static int qt2_attach(struct usb_serial *serial)  in qt2_attach()  argument
642 	status = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),  in qt2_attach()
646 		dev_err(&serial->dev->dev,  in qt2_attach()
661 	usb_set_serial_data(serial, serial_priv);  in qt2_attach()
663 	status = qt2_setup_urbs(serial);  in qt2_attach()
678 	struct usb_serial *serial = port->serial;  in qt2_port_probe()  local
698 	bEndpointAddress = serial->port[0]->bulk_out_endpointAddress;  in qt2_port_probe()
699 	usb_fill_bulk_urb(port_priv->write_urb, serial->dev,  in qt2_port_probe()
700 				usb_sndbulkpipe(serial->dev, bEndpointAddress),  in qt2_port_probe()
728 	struct usb_device *dev = port->serial->dev;  in qt2_tiocmget()
777 	status = qt2_control_msg(port->serial->dev, QT2_BREAK_CONTROL,  in qt2_break_ctl()
789 	struct usb_device *dev = port->serial->dev;  in qt2_dtr_rts()
946 		.name = "quatech-serial",