net: qmi_wwan: support Sierra Wireless MC77xx devices in QMI mode
[~shefty/rdma-dev.git] / drivers / net / usb / qmi_wwan.c
index 552d24b..d316503 100644 (file)
@@ -365,6 +365,27 @@ static const struct driver_info    qmi_wwan_force_int4 = {
        .data           = BIT(4), /* interface whitelist bitmap */
 };
 
+/* Sierra Wireless provide equally useless interface descriptors
+ * Devices in QMI mode can be switched between two different
+ * configurations:
+ *   a) USB interface #8 is QMI/wwan
+ *   b) USB interfaces #8, #19 and #20 are QMI/wwan
+ *
+ * Both configurations provide a number of other interfaces (serial++),
+ * some of which have the same endpoint configuration as we expect, so
+ * a whitelist or blacklist is necessary.
+ *
+ * FIXME: The below whitelist should include BIT(20).  It does not
+ * because I cannot get it to work...
+ */
+static const struct driver_info        qmi_wwan_sierra = {
+       .description    = "Sierra Wireless wwan/QMI device",
+       .flags          = FLAG_WWAN,
+       .bind           = qmi_wwan_bind_gobi,
+       .unbind         = qmi_wwan_unbind_shared,
+       .manage_power   = qmi_wwan_manage_power,
+       .data           = BIT(8) | BIT(19), /* interface whitelist bitmap */
+};
 
 #define HUAWEI_VENDOR_ID       0x12D1
 #define QMI_GOBI_DEVICE(vend, prod) \
@@ -445,6 +466,15 @@ static const struct usb_device_id products[] = {
                .bInterfaceProtocol = 0xff,
                .driver_info        = (unsigned long)&qmi_wwan_force_int4,
        },
+       {       /* Sierra Wireless MC77xx in QMI mode */
+               .match_flags        = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
+               .idVendor           = 0x1199,
+               .idProduct          = 0x68a2,
+               .bInterfaceClass    = 0xff,
+               .bInterfaceSubClass = 0xff,
+               .bInterfaceProtocol = 0xff,
+               .driver_info        = (unsigned long)&qmi_wwan_sierra,
+       },
        {QMI_GOBI_DEVICE(0x05c6, 0x9212)},      /* Acer Gobi Modem Device */
        {QMI_GOBI_DEVICE(0x03f0, 0x1f1d)},      /* HP un2400 Gobi Modem Device */
        {QMI_GOBI_DEVICE(0x03f0, 0x371d)},      /* HP un2430 Mobile Broadband Module */