static int firm_get_dtr_rts(struct usb_serial_port *port)
{
struct whiteheat_simple get_dr_command;
get_dr_command.port = port->number - port->serial->minor + 1;
return firm_send_command(port, WHITEHEAT_GET_DTR_RTS,
(__u8 *)&get_dr_command, sizeof(get_dr_command));
}
static int firm_report_tx_done(struct usb_serial_port *port)
{
struct whiteheat_simple close_command;
close_command.port = port->number - port->serial->minor + 1;
return firm_send_command(port, WHITEHEAT_REPORT_TX_DONE,
(__u8 *)&close_command, sizeof(close_command));
}
static int firm_open(struct usb_serial_port *port)
{
struct whiteheat_simple open_command;
open_command.port = port->number - port->serial->minor + 1;
return firm_send_command(port, WHITEHEAT_OPEN,
(__u8 *)&open_command, sizeof(open_command));
}
static int firm_close(struct usb_serial_port *port)
{
struct whiteheat_simple close_command;
close_command.port = port->port_number + 1;
return firm_send_command(port, WHITEHEAT_CLOSE,
(__u8 *)&close_command, sizeof(close_command));
}
static int firm_purge(struct usb_serial_port *port, __u8 rxtx)
{
struct whiteheat_purge purge_command;
purge_command.port = port->number - port->serial->minor + 1;
purge_command.what = rxtx;
return firm_send_command(port, WHITEHEAT_PURGE,
(__u8 *)&purge_command, sizeof(purge_command));
}
static int firm_set_break(struct usb_serial_port *port, __u8 onoff)
{
struct whiteheat_set_rdb break_command;
break_command.port = port->number - port->serial->minor + 1;
break_command.state = onoff;
return firm_send_command(port, WHITEHEAT_SET_BREAK,
(__u8 *)&break_command, sizeof(break_command));
}
static int firm_set_dtr(struct usb_serial_port *port, __u8 onoff)
{
struct whiteheat_set_rdb dtr_command;
dtr_command.port = port->number - port->serial->minor + 1;
dtr_command.state = onoff;
return firm_send_command(port, WHITEHEAT_SET_DTR,
(__u8 *)&dtr_command, sizeof(dtr_command));
}
static int firm_set_rts(struct usb_serial_port *port, __u8 onoff)
{
struct whiteheat_set_rdb rts_command;
rts_command.port = port->number - port->serial->minor + 1;
rts_command.state = onoff;
return firm_send_command(port, WHITEHEAT_SET_RTS,
(__u8 *)&rts_command, sizeof(rts_command));
}
static void firm_setup_port(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
struct whiteheat_port_settings port_settings;
unsigned int cflag = tty->termios->c_cflag;
port_settings.port = port->number + 1;
/* get the byte size */
switch (cflag & CSIZE) {
case CS5: port_settings.bits = 5; break;
case CS6: port_settings.bits = 6; break;
case CS7: port_settings.bits = 7; break;
default:
case CS8: port_settings.bits = 8; break;
}
dbg("%s - data bits = %d", __func__, port_settings.bits);
/* determine the parity */
if (cflag & PARENB)
if (cflag & CMSPAR)
if (cflag & PARODD)
port_settings.parity = WHITEHEAT_PAR_MARK;
else
port_settings.parity = WHITEHEAT_PAR_SPACE;
else
if (cflag & PARODD)
port_settings.parity = WHITEHEAT_PAR_ODD;
else
port_settings.parity = WHITEHEAT_PAR_EVEN;
else
port_settings.parity = WHITEHEAT_PAR_NONE;
dbg("%s - parity = %c", __func__, port_settings.parity);
/* figure out the stop bits requested */
if (cflag & CSTOPB)
port_settings.stop = 2;
else
port_settings.stop = 1;
dbg("%s - stop bits = %d", __func__, port_settings.stop);
/* figure out the flow control settings */
if (cflag & CRTSCTS)
port_settings.hflow = (WHITEHEAT_HFLOW_CTS |
WHITEHEAT_HFLOW_RTS);
else
port_settings.hflow = WHITEHEAT_HFLOW_NONE;
dbg("%s - hardware flow control = %s %s %s %s", __func__,
(port_settings.hflow & WHITEHEAT_HFLOW_CTS) ? "CTS" : "",
(port_settings.hflow & WHITEHEAT_HFLOW_RTS) ? "RTS" : "",
(port_settings.hflow & WHITEHEAT_HFLOW_DSR) ? "DSR" : "",
(port_settings.hflow & WHITEHEAT_HFLOW_DTR) ? "DTR" : "");
/* determine software flow control */
if (I_IXOFF(tty))
port_settings.sflow = WHITEHEAT_SFLOW_RXTX;
else
port_settings.sflow = WHITEHEAT_SFLOW_NONE;
dbg("%s - software flow control = %c", __func__, port_settings.sflow);
port_settings.xon = START_CHAR(tty);
port_settings.xoff = STOP_CHAR(tty);
dbg("%s - XON = %2x, XOFF = %2x",
__func__, port_settings.xon, port_settings.xoff);
/* get the baud rate wanted */
port_settings.baud = tty_get_baud_rate(tty);
dbg("%s - baud rate = %d", __func__, port_settings.baud);
/* fixme: should set validated settings */
tty_encode_baud_rate(tty, port_settings.baud, port_settings.baud);
/* handle any settings that aren't specified in the tty structure */
port_settings.lloop = 0;
/* now send the message to the device */
firm_send_command(port, WHITEHEAT_SETUP_PORT,
(__u8 *)&port_settings, sizeof(port_settings));
}
