The devices exposes two different interface compositions:
- QDL mode, single interface
- MBIM mode, MBIM class compliant plus AT/DM(/ADB)
Current firmware versions (up to 01.07.19) do not expose an NMEA port.
Signed-off-by: Stefan Brüns <stefan.bruens@xxxxxxxxxxxxxx>
---
drivers/usb/serial/qcserial.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 83da8236e3c8..4ff325a14c98 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -26,12 +26,15 @@ enum qcserial_layouts {
QCSERIAL_G1K = 1, /* Gobi 1000 */
QCSERIAL_SWI = 2, /* Sierra Wireless */
QCSERIAL_HWI = 3, /* Huawei */
+ QCSERIAL_SWI2 = 4, /* Sierra Wireless */
};
#define DEVICE_G1K(v, p) \
USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K
#define DEVICE_SWI(v, p) \
USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI
+#define DEVICE_SWI2(v, p) \
+ USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI2
#define DEVICE_HWI(v, p) \
USB_DEVICE(v, p), .driver_info = QCSERIAL_HWI
@@ -181,6 +184,10 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x413c, 0x81d1)}, /* Dell Wireless 5818 */
{DEVICE_SWI(0x413c, 0x81d2)}, /* Dell Wireless 5818 */
+ /* SDX55 based Sierra Wireless devices */
+ {DEVICE_SWI2(0x1199, 0x90d2)}, /* Sierra Wireless EM919x QDL */
+ {DEVICE_SWI2(0x1199, 0x90d3)}, /* Sierra Wireless EM919x */
+
/* Huawei devices */
{DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */
@@ -359,6 +366,28 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
break;
}
break;
+ case QCSERIAL_SWI2:
+ /*
+ * Sierra Wireless SDX55 in MBIM mode:
+ * 0/1: MBIM Control/Data
+ * 3: AT-capable modem port
+ * 4: DM/DIAG (use libqcdm from ModemManager for communication)
+ * 5: ADB
+ */
+ switch (ifnum) {
+ case 3:
+ dev_dbg(dev, "Modem port found\n");
+ sendsetup = true;
+ break;
+ case 4:
+ dev_dbg(dev, "DM/DIAG interface found\n");
+ break;
+ default:
+ /* don't claim any unsupported interface */
+ altsetting = -1;
+ break;
+ }
+ break;
case QCSERIAL_HWI:
/*
* Huawei devices map functions by subclass + protocol
--
2.31.1
