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path: root/drivers/usb/serial/option.c
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Diffstat (limited to 'drivers/usb/serial/option.c')
-rw-r--r--drivers/usb/serial/option.c109
1 files changed, 68 insertions, 41 deletions
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 7817b82889ca..575816e6ba37 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -43,12 +43,16 @@
#include <linux/usb/serial.h>
/* Function prototypes */
+static int option_probe(struct usb_serial *serial,
+ const struct usb_device_id *id);
static int option_open(struct tty_struct *tty, struct usb_serial_port *port,
struct file *filp);
-static void option_close(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp);
+static void option_close(struct usb_serial_port *port);
+static void option_dtr_rts(struct usb_serial_port *port, int on);
+
static int option_startup(struct usb_serial *serial);
-static void option_shutdown(struct usb_serial *serial);
+static void option_disconnect(struct usb_serial *serial);
+static void option_release(struct usb_serial *serial);
static int option_write_room(struct tty_struct *tty);
static void option_instat_callback(struct urb *urb);
@@ -61,7 +65,7 @@ static void option_set_termios(struct tty_struct *tty,
static int option_tiocmget(struct tty_struct *tty, struct file *file);
static int option_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear);
-static int option_send_setup(struct tty_struct *tty, struct usb_serial_port *port);
+static int option_send_setup(struct usb_serial_port *port);
static int option_suspend(struct usb_serial *serial, pm_message_t message);
static int option_resume(struct usb_serial *serial);
@@ -201,9 +205,9 @@ static int option_resume(struct usb_serial *serial);
#define NOVATELWIRELESS_PRODUCT_MC727 0x4100
#define NOVATELWIRELESS_PRODUCT_MC950D 0x4400
#define NOVATELWIRELESS_PRODUCT_U727 0x5010
+#define NOVATELWIRELESS_PRODUCT_MC760 0x6000
/* FUTURE NOVATEL PRODUCTS */
-#define NOVATELWIRELESS_PRODUCT_EVDO_FULLSPEED 0X6000
#define NOVATELWIRELESS_PRODUCT_EVDO_HIGHSPEED 0X6001
#define NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED 0X7000
#define NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED 0X7001
@@ -304,6 +308,10 @@ static int option_resume(struct usb_serial *serial);
#define DLINK_PRODUCT_DWM_652 0x3e04
+/* TOSHIBA PRODUCTS */
+#define TOSHIBA_VENDOR_ID 0x0930
+#define TOSHIBA_PRODUCT_HSDPA_MINICARD 0x1302
+
static struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -421,7 +429,7 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U727) }, /* Novatel MC727/U727/USB727 */
- { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_FULLSPEED) }, /* Novatel EVDO product */
+ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC760) }, /* Novatel MC760/U760/USB760 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED) }, /* Novatel HSPA product */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_FULLSPEED) }, /* Novatel EVDO Embedded product */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED) }, /* Novatel HSPA Embedded product */
@@ -522,6 +530,7 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
{ USB_DEVICE(0x1da5, 0x4515) }, /* BenQ H20 */
+ { USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_HSDPA_MINICARD ) }, /* Toshiba 3G HSDPA == Novatel Expedite EU870D MiniCard */
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
@@ -549,8 +558,10 @@ static struct usb_serial_driver option_1port_device = {
.usb_driver = &option_driver,
.id_table = option_ids,
.num_ports = 1,
+ .probe = option_probe,
.open = option_open,
.close = option_close,
+ .dtr_rts = option_dtr_rts,
.write = option_write,
.write_room = option_write_room,
.chars_in_buffer = option_chars_in_buffer,
@@ -558,7 +569,8 @@ static struct usb_serial_driver option_1port_device = {
.tiocmget = option_tiocmget,
.tiocmset = option_tiocmset,
.attach = option_startup,
- .shutdown = option_shutdown,
+ .disconnect = option_disconnect,
+ .release = option_release,
.read_int_callback = option_instat_callback,
.suspend = option_suspend,
.resume = option_resume,
@@ -624,13 +636,25 @@ static void __exit option_exit(void)
module_init(option_init);
module_exit(option_exit);
+static int option_probe(struct usb_serial *serial,
+ const struct usb_device_id *id)
+{
+ /* D-Link DWM 652 still exposes CD-Rom emulation interface in modem mode */
+ if (serial->dev->descriptor.idVendor == DLINK_VENDOR_ID &&
+ serial->dev->descriptor.idProduct == DLINK_PRODUCT_DWM_652 &&
+ serial->interface->cur_altsetting->desc.bInterfaceClass == 0x8)
+ return -ENODEV;
+
+ return 0;
+}
+
static void option_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old_termios)
{
dbg("%s", __func__);
/* Doesn't support option setting */
tty_termios_copy_hw(tty->termios, old_termios);
- option_send_setup(tty, port);
+ option_send_setup(port);
}
static int option_tiocmget(struct tty_struct *tty, struct file *file)
@@ -669,7 +693,7 @@ static int option_tiocmset(struct tty_struct *tty, struct file *file,
portdata->rts_state = 0;
if (clear & TIOCM_DTR)
portdata->dtr_state = 0;
- return option_send_setup(tty, port);
+ return option_send_setup(port);
}
/* Write */
@@ -897,10 +921,6 @@ static int option_open(struct tty_struct *tty,
dbg("%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];
@@ -936,37 +956,43 @@ static int option_open(struct tty_struct *tty,
usb_pipeout(urb->pipe), 0); */
}
- option_send_setup(tty, port);
+ option_send_setup(port);
return 0;
}
-static void option_close(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static void option_dtr_rts(struct usb_serial_port *port, int on)
{
- int i;
struct usb_serial *serial = port->serial;
struct option_port_private *portdata;
dbg("%s", __func__);
portdata = usb_get_serial_port_data(port);
+ mutex_lock(&serial->disc_mutex);
+ portdata->rts_state = on;
+ portdata->dtr_state = on;
+ if (serial->dev)
+ option_send_setup(port);
+ mutex_unlock(&serial->disc_mutex);
+}
- portdata->rts_state = 0;
- portdata->dtr_state = 0;
- if (serial->dev) {
- mutex_lock(&serial->disc_mutex);
- if (!serial->disconnected)
- option_send_setup(tty, port);
- mutex_unlock(&serial->disc_mutex);
+static void option_close(struct usb_serial_port *port)
+{
+ int i;
+ struct usb_serial *serial = port->serial;
+ struct option_port_private *portdata;
+
+ dbg("%s", __func__);
+ portdata = usb_get_serial_port_data(port);
+ if (serial->dev) {
/* Stop reading/writing urbs */
for (i = 0; i < N_IN_URB; i++)
usb_kill_urb(portdata->in_urbs[i]);
for (i = 0; i < N_OUT_URB; i++)
usb_kill_urb(portdata->out_urbs[i]);
}
- tty_port_tty_set(&port->port, NULL);
}
/* Helper functions used by option_setup_urbs */
@@ -1032,28 +1058,24 @@ static void option_setup_urbs(struct usb_serial *serial)
* This is exactly the same as SET_CONTROL_LINE_STATE from the PSTN
* CDC.
*/
-static int option_send_setup(struct tty_struct *tty,
- struct usb_serial_port *port)
+static int option_send_setup(struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
struct option_port_private *portdata;
int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
+ int val = 0;
dbg("%s", __func__);
portdata = usb_get_serial_port_data(port);
- if (tty) {
- int val = 0;
- if (portdata->dtr_state)
- val |= 0x01;
- if (portdata->rts_state)
- val |= 0x02;
+ if (portdata->dtr_state)
+ val |= 0x01;
+ if (portdata->rts_state)
+ val |= 0x02;
- return usb_control_msg(serial->dev,
- usb_rcvctrlpipe(serial->dev, 0),
- 0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT);
- }
- return 0;
+ return usb_control_msg(serial->dev,
+ usb_rcvctrlpipe(serial->dev, 0),
+ 0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT);
}
static int option_startup(struct usb_serial *serial)
@@ -1129,7 +1151,14 @@ static void stop_read_write_urbs(struct usb_serial *serial)
}
}
-static void option_shutdown(struct usb_serial *serial)
+static void option_disconnect(struct usb_serial *serial)
+{
+ dbg("%s", __func__);
+
+ stop_read_write_urbs(serial);
+}
+
+static void option_release(struct usb_serial *serial)
{
int i, j;
struct usb_serial_port *port;
@@ -1137,8 +1166,6 @@ static void option_shutdown(struct usb_serial *serial)
dbg("%s", __func__);
- stop_read_write_urbs(serial);
-
/* Now free them */
for (i = 0; i < serial->num_ports; ++i) {
port = serial->port[i];
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-06-11 20:35:30 +0200