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path: root/drivers/usb/serial/qcserial.c
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Diffstat (limited to 'drivers/usb/serial/qcserial.c')
-rw-r--r--drivers/usb/serial/qcserial.c144
1 files changed, 83 insertions, 61 deletions
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 996015c5f1ac..bfd50779f0c9 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -105,6 +105,10 @@ static const struct usb_device_id id_table[] = {
{USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */
{USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */
{USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */
+ {USB_DEVICE(0x1199, 0x68a4)}, /* Sierra Wireless QDL */
+ {USB_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */
+ {USB_DEVICE(0x1199, 0x68a8)}, /* Sierra Wireless QDL */
+ {USB_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */
{USB_DEVICE(0x1199, 0x9010)}, /* Sierra Wireless Gobi 3000 QDL */
{USB_DEVICE(0x1199, 0x9012)}, /* Sierra Wireless Gobi 3000 QDL */
{USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
@@ -112,8 +116,24 @@ static const struct usb_device_id id_table[] = {
{USB_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */
{USB_DEVICE(0x1199, 0x9018)}, /* Sierra Wireless Gobi 3000 QDL */
{USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */
+ {USB_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */
{USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */
{USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
+
+ /* non Gobi Qualcomm serial devices */
+ {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 0)}, /* Sierra Wireless MC7700 Device Management */
+ {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 2)}, /* Sierra Wireless MC7700 NMEA */
+ {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 3)}, /* Sierra Wireless MC7700 Modem */
+ {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 0)}, /* Sierra Wireless MC7750 Device Management */
+ {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 2)}, /* Sierra Wireless MC7750 NMEA */
+ {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 3)}, /* Sierra Wireless MC7750 Modem */
+ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 0)}, /* Sierra Wireless MC7710 Device Management */
+ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 2)}, /* Sierra Wireless MC7710 NMEA */
+ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 3)}, /* Sierra Wireless MC7710 Modem */
+ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 0)}, /* Sierra Wireless EM7700 Device Management */
+ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 2)}, /* Sierra Wireless EM7700 NMEA */
+ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 3)}, /* Sierra Wireless EM7700 Modem */
+
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, id_table);
@@ -127,6 +147,7 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
__u8 nintf;
__u8 ifnum;
bool is_gobi1k = id->driver_info ? true : false;
+ int altsetting = -1;
dev_dbg(dev, "Is Gobi 1000 = %d\n", is_gobi1k);
@@ -142,102 +163,104 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
spin_lock_init(&data->susp_lock);
- switch (nintf) {
- case 1:
+ if (nintf == 1) {
/* QDL mode */
/* Gobi 2000 has a single altsetting, older ones have two */
if (serial->interface->num_altsetting == 2)
intf = &serial->interface->altsetting[1];
else if (serial->interface->num_altsetting > 2)
- break;
+ goto done;
if (intf->desc.bNumEndpoints == 2 &&
usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
dev_dbg(dev, "QDL port found\n");
- if (serial->interface->num_altsetting == 1) {
+ if (serial->interface->num_altsetting == 1)
retval = 0; /* Success */
- break;
- }
-
- retval = usb_set_interface(serial->dev, ifnum, 1);
- if (retval < 0) {
- dev_err(dev,
- "Could not set interface, error %d\n",
- retval);
- retval = -ENODEV;
- kfree(data);
- }
+ else
+ altsetting = 1;
}
- break;
+ goto done;
- case 3:
- case 4:
- /* Composite mode; don't bind to the QMI/net interface as that
- * gets handled by other drivers.
- */
+ }
+
+ /* allow any number of interfaces when doing direct interface match */
+ if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER) {
+ dev_dbg(dev, "Generic Qualcomm serial interface found\n");
+ altsetting = 0;
+ goto done;
+ }
+ if (nintf < 3 || nintf > 4) {
+ dev_err(dev, "unknown number of interfaces: %d\n", nintf);
+ goto done;
+ }
+
+ /* default to enabling interface */
+ altsetting = 0;
+
+ /* Composite mode; don't bind to the QMI/net interface as that
+ * gets handled by other drivers.
+ */
+
+ if (is_gobi1k) {
/* Gobi 1K USB layout:
* 0: serial port (doesn't respond)
* 1: serial port (doesn't respond)
* 2: AT-capable modem port
* 3: QMI/net
- *
- * Gobi 2K+ USB layout:
+ */
+ if (ifnum == 2)
+ dev_dbg(dev, "Modem port found\n");
+ else
+ altsetting = -1;
+ } else {
+ /* Gobi 2K+ USB layout:
* 0: QMI/net
* 1: DM/DIAG (use libqcdm from ModemManager for communication)
* 2: AT-capable modem port
* 3: NMEA
*/
-
- if (ifnum == 1 && !is_gobi1k) {
+ switch (ifnum) {
+ case 0:
+ /* Don't claim the QMI/net interface */
+ altsetting = -1;
+ break;
+ case 1:
dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n");
- retval = usb_set_interface(serial->dev, ifnum, 0);
- if (retval < 0) {
- dev_err(dev,
- "Could not set interface, error %d\n",
- retval);
- retval = -ENODEV;
- kfree(data);
- }
- } else if (ifnum == 2) {
+ break;
+ case 2:
dev_dbg(dev, "Modem port found\n");
- retval = usb_set_interface(serial->dev, ifnum, 0);
- if (retval < 0) {
- dev_err(dev,
- "Could not set interface, error %d\n",
- retval);
- retval = -ENODEV;
- kfree(data);
- }
- } else if (ifnum==3 && !is_gobi1k) {
+ break;
+ case 3:
/*
* NMEA (serial line 9600 8N1)
* # echo "\$GPS_START" > /dev/ttyUSBx
* # echo "\$GPS_STOP" > /dev/ttyUSBx
*/
dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n");
- retval = usb_set_interface(serial->dev, ifnum, 0);
- if (retval < 0) {
- dev_err(dev,
- "Could not set interface, error %d\n",
- retval);
- retval = -ENODEV;
- kfree(data);
- }
+ break;
}
- break;
+ }
- default:
- dev_err(dev, "unknown number of interfaces: %d\n", nintf);
- kfree(data);
- retval = -ENODEV;
+done:
+ if (altsetting >= 0) {
+ retval = usb_set_interface(serial->dev, ifnum, altsetting);
+ if (retval < 0) {
+ dev_err(dev,
+ "Could not set interface, error %d\n",
+ retval);
+ retval = -ENODEV;
+ }
}
- /* Set serial->private if not returning -ENODEV */
- if (retval != -ENODEV)
+ /* Set serial->private if not returning error */
+ if (retval == 0)
usb_set_serial_data(serial, data);
+ else
+ kfree(data);
+
return retval;
}
@@ -245,8 +268,7 @@ static void qc_release(struct usb_serial *serial)
{
struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
- /* Call usb_wwan release & free the private data allocated in qcprobe */
- usb_wwan_release(serial);
+ /* Free the private data allocated in qcprobe */
usb_set_serial_data(serial, NULL);
kfree(priv);
}
@@ -266,8 +288,8 @@ static struct usb_serial_driver qcdevice = {
.write_room = usb_wwan_write_room,
.chars_in_buffer = usb_wwan_chars_in_buffer,
.attach = usb_wwan_startup,
- .disconnect = usb_wwan_disconnect,
.release = qc_release,
+ .port_remove = usb_wwan_port_remove,
#ifdef CONFIG_PM
.suspend = usb_wwan_suspend,
.resume = usb_wwan_resume,
generated by cgit v1.2.3 (git 2.0.4) at 2024-09-21 00:00:34 +0000