add TargetClass support

[project/usbmode.git] / switch.c

diff --git a/switch.c b/switch.c
index b8fe88e39e377096dead882fd1a2826e8d277584..b2835610203e27efc833c55ce9a7ec490554a17c 100644 (file)
--- a/switch.c
+++ b/switch.c
@@ -11,6 +11,7 @@ enum {
        DATA_RELEASE_DELAY,
        DATA_CONFIG,
        DATA_ALT,
+       DATA_DEV_CLASS,
        __DATA_MAX
 };
 
@@ -319,6 +320,41 @@ static void handle_cisco(struct usbdev_data *data, struct blob_attr **tb)
        send_messages(data, msgs, ARRAY_SIZE(msgs));
 }
 
+static void handle_mbim(struct usbdev_data *data, struct blob_attr **tb)
+{
+       int j;
+
+       if (data->desc.bNumConfigurations < 2)
+               return;
+
+       for (j = 0; j < data->desc.bNumConfigurations; j++) {
+               struct libusb_config_descriptor *config;
+               int i;
+
+               libusb_get_config_descriptor(data->dev, j, &config);
+
+               for (i = 0; i < config->bNumInterfaces; i++) {
+                       if (config->interface[i].altsetting[0].bInterfaceClass == 2) {
+                               if (config->interface[i].altsetting[0].bInterfaceSubClass == 0x0e) {
+                                       struct libusb_config_descriptor *active;
+                                       int count = 5;
+
+                                       libusb_get_active_config_descriptor(data->dev, &active);
+                                       if (active->bConfigurationValue == config->bConfigurationValue)
+                                               return;
+                                       while ((libusb_set_configuration(data->devh, config->bConfigurationValue) < 0) && --count)
+                                               libusb_detach_kernel_driver(data->devh, active->interface[0].altsetting[0].bInterfaceNumber);
+
+                                       libusb_free_config_descriptor(config);
+                                       return;
+                               }
+                       }
+               }
+
+               libusb_free_config_descriptor(config);
+       }
+}
+
 static void set_alt_setting(struct usbdev_data *data, int setting)
 {
        if (libusb_claim_interface(data->devh, data->interface))
@@ -341,6 +377,7 @@ enum {
        MODE_SEQUANS,
        MODE_MOBILE_ACTION,
        MODE_CISCO,
+       MODE_MBIM,
        __MODE_MAX
 };
 
@@ -360,6 +397,7 @@ static const struct {
        [MODE_SEQUANS] = { "Sequans", handle_sequans },
        [MODE_MOBILE_ACTION] = { "MobileAction", handle_mobile_action },
        [MODE_CISCO] = { "Cisco", handle_cisco },
+       [MODE_MBIM] = { "MBIM", handle_mbim },
 };
 
 void handle_switch(struct usbdev_data *data)
@@ -373,12 +411,17 @@ void handle_switch(struct usbdev_data *data)
                [DATA_RESPONSE] = { .name = "response", .type = BLOBMSG_TYPE_BOOL },
                [DATA_CONFIG] = { .name = "config", .type = BLOBMSG_TYPE_INT32 },
                [DATA_ALT] = { .name = "alt", .type = BLOBMSG_TYPE_INT32 },
+               [DATA_DEV_CLASS] = { .name = "t_class", .type = BLOBMSG_TYPE_INT32 },
        };
        struct blob_attr *tb[__DATA_MAX];
        int mode = MODE_GENERIC;
+       int t_class = 0;
 
        blobmsg_parse(data_policy, __DATA_MAX, tb, blobmsg_data(data->info), blobmsg_data_len(data->info));
 
+       if (tb[DATA_DEV_CLASS])
+               t_class = blobmsg_get_u32(tb[DATA_DEV_CLASS]);
+
        if (tb[DATA_INTERFACE])
                data->interface = blobmsg_get_u32(tb[DATA_INTERFACE]);
 
@@ -394,6 +437,9 @@ void handle_switch(struct usbdev_data *data)
        if (tb[DATA_RESPONSE])
                data->need_response = blobmsg_get_bool(tb[DATA_RESPONSE]);
 
+       if (t_class > 0 && data->dev_class != t_class)
+               return;
+
        if (tb[DATA_MODE]) {
                const char *modestr;
                int i;