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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.c125
1 files changed, 71 insertions, 54 deletions
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 996015c5f1a..8d103019d6a 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);
@@ -142,38 +163,43 @@ 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:
+ }
+
+ /* 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;
+ switch (ifnum) {
/* Composite mode; don't bind to the QMI/net interface as that
* gets handled by other drivers.
*/
@@ -191,53 +217,44 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
* 3: NMEA
*/
- if (ifnum == 1 && !is_gobi1k) {
+ case 1:
+ if (is_gobi1k)
+ altsetting = -1;
+ else
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) {
- 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 2:
+ dev_dbg(dev, "Modem port found\n");
+ break;
+ case 3:
+ if (is_gobi1k)
+ altsetting = -1;
+ else
/*
* 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;
+ }
- 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;
}
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 15:02:18 +0000