static void sierra_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old_termios)
{
dev_dbg(&port->dev, "%s", __func__);
tty_termios_copy_hw(tty->termios, old_termios);
sierra_send_setup(tty, port);
}
static void sierra_close(struct tty_struct *tty,
struct usb_serial_port *port, struct file *filp)
{
int i;
struct usb_serial *serial = port->serial;
struct sierra_port_private *portdata;
dev_dbg(&port->dev, "%s", __func__);
portdata = usb_get_serial_port_data(port);
portdata->rts_state = 0;
portdata->dtr_state = 0;
if (serial->dev) {
mutex_lock(&serial->disc_mutex);
if (!serial->disconnected)
sierra_send_setup(tty, port);
mutex_unlock(&serial->disc_mutex);
/* Stop reading/writing urbs */
for (i = 0; i < N_IN_URB; i++)
usb_kill_urb(portdata->in_urbs[i]);
}
usb_kill_urb(port->interrupt_in_urb);
port->port.tty = NULL; /* FIXME */
}
static void sierra_set_termios(struct usb_serial_port *port,
struct ktermios *old_termios)
{
dbg("%s", __FUNCTION__);
tty_termios_copy_hw(port->tty->termios, old_termios);
sierra_send_setup(port);
}
static void sierra_set_termios(struct usb_serial_port *port,
struct termios *old_termios)
{
dbg("%s", __FUNCTION__);
sierra_send_setup(port);
}
static void sierra_dtr_rts(struct usb_serial_port *port, int on)
{
struct sierra_port_private *portdata;
portdata = usb_get_serial_port_data(port);
portdata->rts_state = on;
portdata->dtr_state = on;
sierra_send_setup(port);
}
static int sierra_open(struct tty_struct *tty,
struct usb_serial_port *port, struct file *filp)
{
struct sierra_port_private *portdata;
struct usb_serial *serial = port->serial;
int i;
struct urb *urb;
int result;
portdata = usb_get_serial_port_data(port);
dev_dbg(&port->dev, "%s", __func__);
/* Set some sane defaults */
portdata->rts_state = 1;
portdata->dtr_state = 1;
/* Reset low level data toggle and start reading from endpoints */
for (i = 0; i < N_IN_URB; i++) {
urb = portdata->in_urbs[i];
if (!urb)
continue;
if (urb->dev != serial->dev) {
dev_dbg(&port->dev, "%s: dev %p != %p",
__func__, urb->dev, serial->dev);
continue;
}
/*
* make sure endpoint data toggle is synchronized with the
* device
*/
usb_clear_halt(urb->dev, urb->pipe);
result = usb_submit_urb(urb, GFP_KERNEL);
if (result) {
dev_err(&port->dev, "submit urb %d failed (%d) %d\n",
i, result, urb->transfer_buffer_length);
}
}
if (tty)
tty->low_latency = 1;
sierra_send_setup(tty, port);
/* start up the interrupt endpoint if we have one */
if (port->interrupt_in_urb) {
result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (result)
dev_err(&port->dev, "submit irq_in urb failed %d\n",
result);
}
return 0;
}
static int sierra_tiocmset(struct usb_serial_port *port, struct file *file,
unsigned int set, unsigned int clear)
{
struct sierra_port_private *portdata;
portdata = usb_get_serial_port_data(port);
if (set & TIOCM_RTS)
portdata->rts_state = 1;
if (set & TIOCM_DTR)
portdata->dtr_state = 1;
if (clear & TIOCM_RTS)
portdata->rts_state = 0;
if (clear & TIOCM_DTR)
portdata->dtr_state = 0;
return sierra_send_setup(port);
}
static void sierra_close(struct usb_serial_port *port, struct file *filp)
{
int i;
struct usb_serial *serial = port->serial;
struct sierra_port_private *portdata;
dbg("%s", __FUNCTION__);
portdata = usb_get_serial_port_data(port);
portdata->rts_state = 0;
portdata->dtr_state = 0;
if (serial->dev) {
sierra_send_setup(port);
/* Stop reading/writing urbs */
for (i = 0; i < N_IN_URB; i++)
usb_kill_urb(portdata->in_urbs[i]);
}
usb_kill_urb(port->interrupt_in_urb);
port->tty = NULL;
}
