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path: root/drivers/usb/serial/kobil_sct.c
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Diffstat (limited to 'drivers/usb/serial/kobil_sct.c')
-rw-r--r--drivers/usb/serial/kobil_sct.c80
1 files changed, 44 insertions, 36 deletions
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 693f00da7c03..40c67f0096b1 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -70,19 +70,22 @@ static int debug;
/* Function prototypes */
static int kobil_startup (struct usb_serial *serial);
static void kobil_shutdown (struct usb_serial *serial);
-static int kobil_open (struct usb_serial_port *port, struct file *filp);
-static void kobil_close (struct usb_serial_port *port, struct file *filp);
-static int kobil_write (struct usb_serial_port *port,
+static int kobil_open (struct tty_struct *tty,
+ struct usb_serial_port *port, struct file *filp);
+static void kobil_close (struct tty_struct *tty, struct usb_serial_port *port,
+ struct file *filp);
+static int kobil_write (struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *buf, int count);
-static int kobil_write_room(struct usb_serial_port *port);
-static int kobil_ioctl(struct usb_serial_port *port, struct file *file,
+static int kobil_write_room(struct tty_struct *tty);
+static int kobil_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg);
-static int kobil_tiocmget(struct usb_serial_port *port, struct file *file);
-static int kobil_tiocmset(struct usb_serial_port *port, struct file *file,
+static int kobil_tiocmget(struct tty_struct *tty, struct file *file);
+static int kobil_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear);
static void kobil_read_int_callback( struct urb *urb );
static void kobil_write_callback( struct urb *purb );
-static void kobil_set_termios(struct usb_serial_port *port, struct ktermios *old);
+static void kobil_set_termios(struct tty_struct *tty,
+ struct usb_serial_port *port, struct ktermios *old);
static struct usb_device_id id_table [] = {
@@ -201,8 +204,8 @@ static void kobil_shutdown (struct usb_serial *serial)
dbg("%s - port %d", __func__, serial->port[0]->number);
for (i=0; i < serial->num_ports; ++i) {
- while (serial->port[i]->open_count > 0) {
- kobil_close (serial->port[i], NULL);
+ while (serial->port[i]->port.count > 0) {
+ kobil_close (NULL, serial->port[i], NULL);
}
kfree(usb_get_serial_port_data(serial->port[i]));
usb_set_serial_port_data(serial->port[i], NULL);
@@ -210,7 +213,8 @@ static void kobil_shutdown (struct usb_serial *serial)
}
-static int kobil_open (struct usb_serial_port *port, struct file *filp)
+static int kobil_open(struct tty_struct *tty,
+ struct usb_serial_port *port, struct file *filp)
{
int result = 0;
struct kobil_private *priv;
@@ -229,14 +233,15 @@ static int kobil_open (struct usb_serial_port *port, struct file *filp)
* the data through, otherwise it is scheduled, and with high
* data rates (like with OHCI) data can get lost.
*/
- port->tty->low_latency = 1;
-
- // without this, every push_tty_char is echoed :-(
- port->tty->termios->c_lflag = 0;
- port->tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE);
- port->tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF;
- port->tty->termios->c_oflag &= ~ONLCR; // do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D)
-
+ if (tty) {
+ tty->low_latency = 1;
+
+ /* Default to echo off and other sane device settings */
+ tty->termios->c_lflag = 0;
+ tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE);
+ tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF;
+ tty->termios->c_oflag &= ~ONLCR; // do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D)
+ }
// allocate memory for transfer buffer
transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
if (! transfer_buffer) {
@@ -330,7 +335,8 @@ static int kobil_open (struct usb_serial_port *port, struct file *filp)
}
-static void kobil_close (struct usb_serial_port *port, struct file *filp)
+static void kobil_close(struct tty_struct *tty,
+ struct usb_serial_port *port, struct file *filp)
{
dbg("%s - port %d", __func__, port->number);
@@ -360,7 +366,7 @@ static void kobil_read_int_callback(struct urb *urb)
return;
}
- tty = port->tty;
+ tty = port->port.tty;
if (urb->actual_length) {
// BEGIN DEBUG
@@ -395,7 +401,7 @@ static void kobil_write_callback( struct urb *purb )
}
-static int kobil_write (struct usb_serial_port *port,
+static int kobil_write (struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *buf, int count)
{
int length = 0;
@@ -417,12 +423,9 @@ static int kobil_write (struct usb_serial_port *port,
// Copy data to buffer
memcpy (priv->buf + priv->filled, buf, count);
-
usb_serial_debug_data(debug, &port->dev, __func__, count, priv->buf + priv->filled);
-
priv->filled = priv->filled + count;
-
// only send complete block. TWIN, KAAN SIM and adapter K use the same protocol.
if ( ((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) ||
((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4))) ) {
@@ -478,15 +481,17 @@ static int kobil_write (struct usb_serial_port *port,
}
-static int kobil_write_room (struct usb_serial_port *port)
+static int kobil_write_room (struct tty_struct *tty)
{
//dbg("%s - port %d", __func__, port->number);
+ /* FIXME */
return 8;
}
-static int kobil_tiocmget(struct usb_serial_port *port, struct file *file)
+static int kobil_tiocmget(struct tty_struct *tty, struct file *file)
{
+ struct usb_serial_port *port = tty->driver_data;
struct kobil_private * priv;
int result;
unsigned char *transfer_buffer;
@@ -524,9 +529,10 @@ static int kobil_tiocmget(struct usb_serial_port *port, struct file *file)
return result;
}
-static int kobil_tiocmset(struct usb_serial_port *port, struct file *file,
+static int kobil_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
+ struct usb_serial_port *port = tty->driver_data;
struct kobil_private * priv;
int result;
int dtr = 0;
@@ -590,12 +596,13 @@ static int kobil_tiocmset(struct usb_serial_port *port, struct file *file,
return (result < 0) ? result : 0;
}
-static void kobil_set_termios(struct usb_serial_port *port, struct ktermios *old)
+static void kobil_set_termios(struct tty_struct *tty,
+ struct usb_serial_port *port, struct ktermios *old)
{
struct kobil_private * priv;
int result;
unsigned short urb_val = 0;
- int c_cflag = port->tty->termios->c_cflag;
+ int c_cflag = tty->termios->c_cflag;
speed_t speed;
void * settings;
@@ -604,7 +611,7 @@ static void kobil_set_termios(struct usb_serial_port *port, struct ktermios *old
// This device doesn't support ioctl calls
return;
- switch (speed = tty_get_baud_rate(port->tty)) {
+ switch (speed = tty_get_baud_rate(tty)) {
case 1200:
urb_val = SUSBCR_SBR_1200;
break;
@@ -634,8 +641,8 @@ static void kobil_set_termios(struct usb_serial_port *port, struct ktermios *old
urb_val |= SUSBCR_SPASB_NoParity;
strcat(settings, "No Parity");
}
- port->tty->termios->c_cflag &= ~CMSPAR;
- tty_encode_baud_rate(port->tty, speed, speed);
+ tty->termios->c_cflag &= ~CMSPAR;
+ tty_encode_baud_rate(tty, speed, speed);
result = usb_control_msg( port->serial->dev,
usb_rcvctrlpipe(port->serial->dev, 0 ),
@@ -650,8 +657,9 @@ static void kobil_set_termios(struct usb_serial_port *port, struct ktermios *old
kfree(settings);
}
-static int kobil_ioctl(struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg)
+static int kobil_ioctl(struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg)
{
+ struct usb_serial_port *port = tty->driver_data;
struct kobil_private * priv = usb_get_serial_port_data(port);
unsigned char *transfer_buffer;
int transfer_buffer_length = 8;
@@ -662,7 +670,7 @@ static int kobil_ioctl(struct usb_serial_port *port, struct file * file, unsigne
return 0;
switch (cmd) {
- case TCFLSH: // 0x540B
+ case TCFLSH:
transfer_buffer = kmalloc(transfer_buffer_length, GFP_KERNEL);
if (! transfer_buffer)
return -ENOBUFS;
@@ -680,7 +688,7 @@ static int kobil_ioctl(struct usb_serial_port *port, struct file * file, unsigne
dbg("%s - port %d Send reset_all_queues (FLUSH) URB returns: %i", __func__, port->number, result);
kfree(transfer_buffer);
- return (result < 0) ? -EFAULT : 0;
+ return (result < 0) ? -EIO: 0;
default:
return -ENOIOCTLCMD;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-07-07 06:40:57 +0000