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Diffstat (limited to 'net/irda/ircomm/ircomm_tty_ioctl.c')
-rw-r--r--net/irda/ircomm/ircomm_tty_ioctl.c291
1 files changed, 0 insertions, 291 deletions
diff --git a/net/irda/ircomm/ircomm_tty_ioctl.c b/net/irda/ircomm/ircomm_tty_ioctl.c
deleted file mode 100644
index 171c3dee760e..000000000000
--- a/net/irda/ircomm/ircomm_tty_ioctl.c
+++ /dev/null
@@ -1,291 +0,0 @@
-/*********************************************************************
- *
- * Filename: ircomm_tty_ioctl.c
- * Version:
- * Description:
- * Status: Experimental.
- * Author: Dag Brattli <dagb@cs.uit.no>
- * Created at: Thu Jun 10 14:39:09 1999
- * Modified at: Wed Jan 5 14:45:43 2000
- * Modified by: Dag Brattli <dagb@cs.uit.no>
- *
- * Copyright (c) 1999-2000 Dag Brattli, All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
- ********************************************************************/
-
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/termios.h>
-#include <linux/tty.h>
-#include <linux/serial.h>
-
-#include <linux/uaccess.h>
-
-#include <net/irda/irda.h>
-#include <net/irda/irmod.h>
-
-#include <net/irda/ircomm_core.h>
-#include <net/irda/ircomm_param.h>
-#include <net/irda/ircomm_tty_attach.h>
-#include <net/irda/ircomm_tty.h>
-
-#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
-/*
- * Function ircomm_tty_change_speed (driver)
- *
- * Change speed of the driver. If the remote device is a DCE, then this
- * should make it change the speed of its serial port
- */
-static void ircomm_tty_change_speed(struct ircomm_tty_cb *self,
- struct tty_struct *tty)
-{
- unsigned int cflag, cval;
- int baud;
-
- if (!self->ircomm)
- return;
-
- cflag = tty->termios.c_cflag;
-
- /* byte size and parity */
- switch (cflag & CSIZE) {
- case CS5: cval = IRCOMM_WSIZE_5; break;
- case CS6: cval = IRCOMM_WSIZE_6; break;
- case CS7: cval = IRCOMM_WSIZE_7; break;
- case CS8: cval = IRCOMM_WSIZE_8; break;
- default: cval = IRCOMM_WSIZE_5; break;
- }
- if (cflag & CSTOPB)
- cval |= IRCOMM_2_STOP_BIT;
-
- if (cflag & PARENB)
- cval |= IRCOMM_PARITY_ENABLE;
- if (!(cflag & PARODD))
- cval |= IRCOMM_PARITY_EVEN;
-
- /* Determine divisor based on baud rate */
- baud = tty_get_baud_rate(tty);
- if (!baud)
- baud = 9600; /* B0 transition handled in rs_set_termios */
-
- self->settings.data_rate = baud;
- ircomm_param_request(self, IRCOMM_DATA_RATE, FALSE);
-
- /* CTS flow control flag and modem status interrupts */
- tty_port_set_cts_flow(&self->port, cflag & CRTSCTS);
- if (cflag & CRTSCTS) {
- self->settings.flow_control |= IRCOMM_RTS_CTS_IN;
- /* This got me. Bummer. Jean II */
- if (self->service_type == IRCOMM_3_WIRE_RAW)
- net_warn_ratelimited("%s(), enabling RTS/CTS on link that doesn't support it (3-wire-raw)\n",
- __func__);
- } else {
- self->settings.flow_control &= ~IRCOMM_RTS_CTS_IN;
- }
- tty_port_set_check_carrier(&self->port, ~cflag & CLOCAL);
-
- self->settings.data_format = cval;
-
- ircomm_param_request(self, IRCOMM_DATA_FORMAT, FALSE);
- ircomm_param_request(self, IRCOMM_FLOW_CONTROL, TRUE);
-}
-
-/*
- * Function ircomm_tty_set_termios (tty, old_termios)
- *
- * This routine allows the tty driver to be notified when device's
- * termios settings have changed. Note that a well-designed tty driver
- * should be prepared to accept the case where old == NULL, and try to
- * do something rational.
- */
-void ircomm_tty_set_termios(struct tty_struct *tty,
- struct ktermios *old_termios)
-{
- struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;
- unsigned int cflag = tty->termios.c_cflag;
-
- if ((cflag == old_termios->c_cflag) &&
- (RELEVANT_IFLAG(tty->termios.c_iflag) ==
- RELEVANT_IFLAG(old_termios->c_iflag)))
- {
- return;
- }
-
- ircomm_tty_change_speed(self, tty);
-
- /* Handle transition to B0 status */
- if ((old_termios->c_cflag & CBAUD) && !(cflag & CBAUD)) {
- self->settings.dte &= ~(IRCOMM_DTR|IRCOMM_RTS);
- ircomm_param_request(self, IRCOMM_DTE, TRUE);
- }
-
- /* Handle transition away from B0 status */
- if (!(old_termios->c_cflag & CBAUD) && (cflag & CBAUD)) {
- self->settings.dte |= IRCOMM_DTR;
- if (!C_CRTSCTS(tty) || !tty_throttled(tty))
- self->settings.dte |= IRCOMM_RTS;
- ircomm_param_request(self, IRCOMM_DTE, TRUE);
- }
-
- /* Handle turning off CRTSCTS */
- if ((old_termios->c_cflag & CRTSCTS) && !C_CRTSCTS(tty))
- {
- tty->hw_stopped = 0;
- ircomm_tty_start(tty);
- }
-}
-
-/*
- * Function ircomm_tty_tiocmget (tty)
- *
- *
- *
- */
-int ircomm_tty_tiocmget(struct tty_struct *tty)
-{
- struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;
- unsigned int result;
-
- if (tty_io_error(tty))
- return -EIO;
-
- result = ((self->settings.dte & IRCOMM_RTS) ? TIOCM_RTS : 0)
- | ((self->settings.dte & IRCOMM_DTR) ? TIOCM_DTR : 0)
- | ((self->settings.dce & IRCOMM_CD) ? TIOCM_CAR : 0)
- | ((self->settings.dce & IRCOMM_RI) ? TIOCM_RNG : 0)
- | ((self->settings.dce & IRCOMM_DSR) ? TIOCM_DSR : 0)
- | ((self->settings.dce & IRCOMM_CTS) ? TIOCM_CTS : 0);
- return result;
-}
-
-/*
- * Function ircomm_tty_tiocmset (tty, set, clear)
- *
- *
- *
- */
-int ircomm_tty_tiocmset(struct tty_struct *tty,
- unsigned int set, unsigned int clear)
-{
- struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;
-
- if (tty_io_error(tty))
- return -EIO;
-
- IRDA_ASSERT(self != NULL, return -1;);
- IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return -1;);
-
- if (set & TIOCM_RTS)
- self->settings.dte |= IRCOMM_RTS;
- if (set & TIOCM_DTR)
- self->settings.dte |= IRCOMM_DTR;
-
- if (clear & TIOCM_RTS)
- self->settings.dte &= ~IRCOMM_RTS;
- if (clear & TIOCM_DTR)
- self->settings.dte &= ~IRCOMM_DTR;
-
- if ((set|clear) & TIOCM_RTS)
- self->settings.dte |= IRCOMM_DELTA_RTS;
- if ((set|clear) & TIOCM_DTR)
- self->settings.dte |= IRCOMM_DELTA_DTR;
-
- ircomm_param_request(self, IRCOMM_DTE, TRUE);
-
- return 0;
-}
-
-/*
- * Function get_serial_info (driver, retinfo)
- *
- *
- *
- */
-static int ircomm_tty_get_serial_info(struct ircomm_tty_cb *self,
- struct serial_struct __user *retinfo)
-{
- struct serial_struct info;
-
- memset(&info, 0, sizeof(info));
- info.line = self->line;
- info.flags = self->port.flags;
- info.baud_base = self->settings.data_rate;
- info.close_delay = self->port.close_delay;
- info.closing_wait = self->port.closing_wait;
-
- /* For compatibility */
- info.type = PORT_16550A;
-
- if (copy_to_user(retinfo, &info, sizeof(*retinfo)))
- return -EFAULT;
-
- return 0;
-}
-
-/*
- * Function set_serial_info (driver, new_info)
- *
- *
- *
- */
-static int ircomm_tty_set_serial_info(struct ircomm_tty_cb *self,
- struct serial_struct __user *new_info)
-{
- return 0;
-}
-
-/*
- * Function ircomm_tty_ioctl (tty, cmd, arg)
- *
- *
- *
- */
-int ircomm_tty_ioctl(struct tty_struct *tty,
- unsigned int cmd, unsigned long arg)
-{
- struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data;
- int ret = 0;
-
- if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
- (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGSTRUCT) &&
- (cmd != TIOCMIWAIT) && (cmd != TIOCGICOUNT)) {
- if (tty_io_error(tty))
- return -EIO;
- }
-
- switch (cmd) {
- case TIOCGSERIAL:
- ret = ircomm_tty_get_serial_info(self, (struct serial_struct __user *) arg);
- break;
- case TIOCSSERIAL:
- ret = ircomm_tty_set_serial_info(self, (struct serial_struct __user *) arg);
- break;
- case TIOCMIWAIT:
- pr_debug("(), TIOCMIWAIT, not impl!\n");
- break;
-
- case TIOCGICOUNT:
- pr_debug("%s(), TIOCGICOUNT not impl!\n", __func__);
- return 0;
- default:
- ret = -ENOIOCTLCMD; /* ioctls which we must ignore */
- }
- return ret;
-}
-
-
-
generated by cgit (git 2.34.1) at 2024-06-17 23:39:10 +0000