aboutsummaryrefslogtreecommitdiff
path: root/drivers/usb/serial/digi_acceleport.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/serial/digi_acceleport.c')
-rw-r--r--drivers/usb/serial/digi_acceleport.c127
1 files changed, 56 insertions, 71 deletions
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 28bc6fcf44f..dc92dbfc962 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -15,7 +15,7 @@
* Al Borchers (borchers@steinerpoint.com)
*
* (12/03/2001) gkh
-* switched to using port->open_count instead of private version.
+* switched to using port->port.count instead of private version.
* Removed port->active
*
* (04/08/2001) gb
@@ -441,22 +441,23 @@ static int digi_set_modem_signals(struct usb_serial_port *port,
unsigned int modem_signals, int interruptible);
static int digi_transmit_idle(struct usb_serial_port *port,
unsigned long timeout);
-static void digi_rx_throttle (struct usb_serial_port *port);
-static void digi_rx_unthrottle (struct usb_serial_port *port);
-static void digi_set_termios(struct usb_serial_port *port,
- struct ktermios *old_termios);
-static void digi_break_ctl(struct usb_serial_port *port, int break_state);
-static int digi_ioctl(struct usb_serial_port *port, struct file *file,
- unsigned int cmd, unsigned long arg);
-static int digi_tiocmget(struct usb_serial_port *port, struct file *file);
-static int digi_tiocmset(struct usb_serial_port *port, struct file *file,
+static void digi_rx_throttle (struct tty_struct *tty);
+static void digi_rx_unthrottle (struct tty_struct *tty);
+static void digi_set_termios(struct tty_struct *tty,
+ struct usb_serial_port *port, struct ktermios *old_termios);
+static void digi_break_ctl(struct tty_struct *tty, int break_state);
+static int digi_tiocmget(struct tty_struct *tty, struct file *file);
+static int digi_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear);
-static int digi_write(struct usb_serial_port *port, const unsigned char *buf, int count);
+static int digi_write(struct tty_struct *tty, struct usb_serial_port *port,
+ const unsigned char *buf, int count);
static void digi_write_bulk_callback(struct urb *urb);
-static int digi_write_room(struct usb_serial_port *port);
-static int digi_chars_in_buffer(struct usb_serial_port *port);
-static int digi_open(struct usb_serial_port *port, struct file *filp);
-static void digi_close(struct usb_serial_port *port, struct file *filp);
+static int digi_write_room(struct tty_struct *tty);
+static int digi_chars_in_buffer(struct tty_struct *tty);
+static int digi_open(struct tty_struct *tty, struct usb_serial_port *port,
+ struct file *filp);
+static void digi_close(struct tty_struct *tty, struct usb_serial_port *port,
+ struct file *filp);
static int digi_startup_device(struct usb_serial *serial);
static int digi_startup(struct usb_serial *serial);
static void digi_shutdown(struct usb_serial *serial);
@@ -516,7 +517,6 @@ static struct usb_serial_driver digi_acceleport_2_device = {
.chars_in_buffer = digi_chars_in_buffer,
.throttle = digi_rx_throttle,
.unthrottle = digi_rx_unthrottle,
- .ioctl = digi_ioctl,
.set_termios = digi_set_termios,
.break_ctl = digi_break_ctl,
.tiocmget = digi_tiocmget,
@@ -543,7 +543,6 @@ static struct usb_serial_driver digi_acceleport_4_device = {
.chars_in_buffer = digi_chars_in_buffer,
.throttle = digi_rx_throttle,
.unthrottle = digi_rx_unthrottle,
- .ioctl = digi_ioctl,
.set_termios = digi_set_termios,
.break_ctl = digi_break_ctl,
.tiocmget = digi_tiocmget,
@@ -604,7 +603,7 @@ static void digi_wakeup_write_lock(struct work_struct *work)
static void digi_wakeup_write(struct usb_serial_port *port)
{
- tty_wakeup(port->tty);
+ tty_wakeup(port->port.tty);
}
@@ -856,9 +855,10 @@ static int digi_transmit_idle(struct usb_serial_port *port,
}
-static void digi_rx_throttle(struct usb_serial_port *port)
+static void digi_rx_throttle(struct tty_struct *tty)
{
unsigned long flags;
+ struct usb_serial_port *port = tty->driver_data;
struct digi_port *priv = usb_get_serial_port_data(port);
@@ -872,10 +872,11 @@ static void digi_rx_throttle(struct usb_serial_port *port)
}
-static void digi_rx_unthrottle(struct usb_serial_port *port)
+static void digi_rx_unthrottle(struct tty_struct *tty)
{
int ret = 0;
unsigned long flags;
+ struct usb_serial_port *port = tty->driver_data;
struct digi_port *priv = usb_get_serial_port_data(port);
dbg("digi_rx_unthrottle: TOP: port=%d", priv->dp_port_num);
@@ -900,12 +901,10 @@ static void digi_rx_unthrottle(struct usb_serial_port *port)
}
-static void digi_set_termios(struct usb_serial_port *port,
- struct ktermios *old_termios)
+static void digi_set_termios(struct tty_struct *tty,
+ struct usb_serial_port *port, struct ktermios *old_termios)
{
-
struct digi_port *priv = usb_get_serial_port_data(port);
- struct tty_struct *tty = port->tty;
unsigned int iflag = tty->termios->c_iflag;
unsigned int cflag = tty->termios->c_cflag;
unsigned int old_iflag = old_termios->c_iflag;
@@ -1088,8 +1087,9 @@ static void digi_set_termios(struct usb_serial_port *port,
}
-static void digi_break_ctl(struct usb_serial_port *port, int break_state)
+static void digi_break_ctl(struct tty_struct *tty, int break_state)
{
+ struct usb_serial_port *port = tty->driver_data;
unsigned char buf[4];
buf[0] = DIGI_CMD_BREAK_CONTROL;
@@ -1100,8 +1100,9 @@ static void digi_break_ctl(struct usb_serial_port *port, int break_state)
}
-static int digi_tiocmget(struct usb_serial_port *port, struct file *file)
+static int digi_tiocmget(struct tty_struct *tty, struct file *file)
{
+ struct usb_serial_port *port = tty->driver_data;
struct digi_port *priv = usb_get_serial_port_data(port);
unsigned int val;
unsigned long flags;
@@ -1115,9 +1116,10 @@ static int digi_tiocmget(struct usb_serial_port *port, struct file *file)
}
-static int digi_tiocmset(struct usb_serial_port *port, struct file *file,
+static int digi_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
+ struct usb_serial_port *port = tty->driver_data;
struct digi_port *priv = usb_get_serial_port_data(port);
unsigned int val;
unsigned long flags;
@@ -1131,27 +1133,8 @@ static int digi_tiocmset(struct usb_serial_port *port, struct file *file,
}
-static int digi_ioctl(struct usb_serial_port *port, struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- struct digi_port *priv = usb_get_serial_port_data(port);
- dbg("digi_ioctl: TOP: port=%d, cmd=0x%x", priv->dp_port_num, cmd);
-
- switch (cmd) {
- case TIOCMIWAIT:
- /* wait for any of the 4 modem inputs (DCD,RI,DSR,CTS)*/
- /* TODO */
- return 0;
- case TIOCGICOUNT:
- /* return count of modemline transitions */
- /* TODO */
- return 0;
- }
- return -ENOIOCTLCMD;
-
-}
-
-static int digi_write(struct usb_serial_port *port, const unsigned char *buf, int count)
+static int digi_write(struct tty_struct *tty, struct usb_serial_port *port,
+ const unsigned char *buf, int count)
{
int ret,data_len,new_len;
@@ -1261,7 +1244,7 @@ static void digi_write_bulk_callback(struct urb *urb)
/* try to send any buffered data on this port, if it is open */
spin_lock(&priv->dp_port_lock);
priv->dp_write_urb_in_use = 0;
- if (port->open_count && port->write_urb->status != -EINPROGRESS
+ if (port->port.count && port->write_urb->status != -EINPROGRESS
&& priv->dp_out_buf_len > 0) {
*((unsigned char *)(port->write_urb->transfer_buffer))
= (unsigned char)DIGI_CMD_SEND_DATA;
@@ -1288,11 +1271,11 @@ static void digi_write_bulk_callback(struct urb *urb)
__func__, ret, priv->dp_port_num);
}
-static int digi_write_room(struct usb_serial_port *port)
+static int digi_write_room(struct tty_struct *tty)
{
-
- int room;
+ struct usb_serial_port *port = tty->driver_data;
struct digi_port *priv = usb_get_serial_port_data(port);
+ int room;
unsigned long flags = 0;
spin_lock_irqsave(&priv->dp_port_lock, flags);
@@ -1308,12 +1291,11 @@ static int digi_write_room(struct usb_serial_port *port)
}
-static int digi_chars_in_buffer(struct usb_serial_port *port)
+static int digi_chars_in_buffer(struct tty_struct *tty)
{
-
+ struct usb_serial_port *port = tty->driver_data;
struct digi_port *priv = usb_get_serial_port_data(port);
-
if (port->write_urb->status == -EINPROGRESS
|| priv->dp_write_urb_in_use) {
dbg("digi_chars_in_buffer: port=%d, chars=%d",
@@ -1329,7 +1311,8 @@ static int digi_chars_in_buffer(struct usb_serial_port *port)
}
-static int digi_open(struct usb_serial_port *port, struct file *filp)
+static int digi_open(struct tty_struct *tty, struct usb_serial_port *port,
+ struct file *filp)
{
int ret;
unsigned char buf[32];
@@ -1338,7 +1321,7 @@ static int digi_open(struct usb_serial_port *port, struct file *filp)
unsigned long flags = 0;
dbg("digi_open: TOP: port=%d, open_count=%d",
- priv->dp_port_num, port->open_count);
+ priv->dp_port_num, port->port.count);
/* be sure the device is started up */
if (digi_startup_device(port->serial) != 0)
@@ -1380,9 +1363,11 @@ static int digi_open(struct usb_serial_port *port, struct file *filp)
dbg("digi_open: write oob failed, ret=%d", ret);
/* set termios settings */
- not_termios.c_cflag = ~port->tty->termios->c_cflag;
- not_termios.c_iflag = ~port->tty->termios->c_iflag;
- digi_set_termios(port, &not_termios);
+ if (tty) {
+ not_termios.c_cflag = ~tty->termios->c_cflag;
+ not_termios.c_iflag = ~tty->termios->c_iflag;
+ digi_set_termios(tty, port, &not_termios);
+ }
/* set DTR and RTS */
digi_set_modem_signals(port, TIOCM_DTR|TIOCM_RTS, 1);
@@ -1391,16 +1376,16 @@ static int digi_open(struct usb_serial_port *port, struct file *filp)
}
-static void digi_close(struct usb_serial_port *port, struct file *filp)
+static void digi_close(struct tty_struct *tty, struct usb_serial_port *port,
+ struct file *filp)
{
DEFINE_WAIT(wait);
int ret;
unsigned char buf[32];
- struct tty_struct *tty = port->tty;
struct digi_port *priv = usb_get_serial_port_data(port);
dbg("digi_close: TOP: port=%d, open_count=%d",
- priv->dp_port_num, port->open_count);
+ priv->dp_port_num, port->port.count);
mutex_lock(&port->serial->disc_mutex);
/* if disconnected, just clear flags */
@@ -1663,7 +1648,7 @@ static int digi_read_inb_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
- struct tty_struct *tty = port->tty;
+ struct tty_struct *tty = port->port.tty;
struct digi_port *priv = usb_get_serial_port_data(port);
int opcode = ((unsigned char *)urb->transfer_buffer)[0];
int len = ((unsigned char *)urb->transfer_buffer)[1];
@@ -1675,7 +1660,7 @@ static int digi_read_inb_callback(struct urb *urb)
/* do not process callbacks on closed ports */
/* but do continue the read chain */
- if (port->open_count == 0)
+ if (port->port.count == 0)
return 0;
/* short/multiple packet check */
@@ -1785,17 +1770,17 @@ static int digi_read_oob_callback(struct urb *urb)
if (val & DIGI_READ_INPUT_SIGNALS_CTS) {
priv->dp_modem_signals |= TIOCM_CTS;
/* port must be open to use tty struct */
- if (port->open_count
- && port->tty->termios->c_cflag & CRTSCTS) {
- port->tty->hw_stopped = 0;
+ if (port->port.count
+ && port->port.tty->termios->c_cflag & CRTSCTS) {
+ port->port.tty->hw_stopped = 0;
digi_wakeup_write(port);
}
} else {
priv->dp_modem_signals &= ~TIOCM_CTS;
/* port must be open to use tty struct */
- if (port->open_count
- && port->tty->termios->c_cflag & CRTSCTS) {
- port->tty->hw_stopped = 1;
+ if (port->port.count
+ && port->port.tty->termios->c_cflag & CRTSCTS) {
+ port->port.tty->hw_stopped = 1;
}
}
if (val & DIGI_READ_INPUT_SIGNALS_DSR)
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-16 12:58:43 +0000