usb/serial/mxuport.c

22 #include <linux/tty.h>
278  * This function is called by the tty driver when it wants to stop the
284 static void mxuport_throttle(struct tty_struct *tty)
286 	struct usb_serial_port *port = tty->driver_data;
298  * This function is called by the tty driver when it wants to resume
302 static void mxuport_unthrottle(struct tty_struct *tty)
305 	struct usb_serial_port *port = tty->driver_data;
698 static int mxuport_tiocmset(struct tty_struct *tty, unsigned int set,
701 	struct usb_serial_port *port = tty->driver_data;
730 static int mxuport_tiocmget(struct tty_struct *tty)
733 	struct usb_serial_port *port = tty->driver_data;
762 static int mxuport_set_termios_flow(struct tty_struct *tty,
767 	u8 xon = START_CHAR(tty);
768 	u8 xoff = STOP_CHAR(tty);
779 	if (I_IXOFF(tty) || I_IXON(tty)) {
805 	    C_CRTSCTS(tty) != (old_termios->c_cflag & CRTSCTS)) {
806 		if (C_CRTSCTS(tty))
812 	if (C_BAUD(tty)) {
815 			if (C_CRTSCTS(tty))
835 static void mxuport_set_termios(struct tty_struct *tty,
848 	    !tty_termios_hw_change(&tty->termios, old_termios) &&
849 	    tty->termios.c_iflag == old_termios->c_iflag) {
859 	switch (C_CSIZE(tty)) {
876 	if (C_PARENB(tty)) {
877 		if (C_CMSPAR(tty)) {
878 			if (C_PARODD(tty))
883 			if (C_PARODD(tty))
893 	if (C_CSTOPB(tty))
908 	err = mxuport_set_termios_flow(tty, old_termios, port, serial);
912 	baud = tty_get_baud_rate(tty);
1188 static int mxuport_open(struct tty_struct *tty, struct usb_serial_port *port)
1209 	if (tty)
1210 		mxuport_set_termios(tty, port, NULL);
1233 static int mxuport_break_ctl(struct tty_struct *tty, int break_state)
1235 	struct usb_serial_port *port = tty->driver_data;