ModemManager/plugins/mm-plugin-novatel.c

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

#include <string.h>
#include <gmodule.h>
#include "mm-plugin-novatel.h"
#include "mm-modem-novatel-cdma.h"
#include "mm-modem-novatel-gsm.h"

static void plugin_init (MMPlugin *plugin_class);

G_DEFINE_TYPE_EXTENDED (MMPluginNovatel, mm_plugin_novatel, G_TYPE_OBJECT,
                        0, G_IMPLEMENT_INTERFACE (MM_TYPE_PLUGIN, plugin_init))

int mm_plugin_major_version = MM_PLUGIN_MAJOR_VERSION;
int mm_plugin_minor_version = MM_PLUGIN_MINOR_VERSION;

G_MODULE_EXPORT MMPlugin *
mm_plugin_create (void)
{
    return MM_PLUGIN (g_object_new (MM_TYPE_PLUGIN_NOVATEL, NULL));
}

/*****************************************************************************/

static const char *
get_name (MMPlugin *plugin)
{
    return "Novatel";
}

static char **
list_supported_udis (MMPlugin *plugin, LibHalContext *hal_ctx)
{
    char **supported = NULL;
    char **devices;
    int num_devices;
    int i;

    devices = libhal_find_device_by_capability (hal_ctx, "modem", &num_devices, NULL);
    if (devices) {
        GPtrArray *array;

        array = g_ptr_array_new ();

        for (i = 0; i < num_devices; i++) {
            char *udi = devices[i];

            if (mm_plugin_supports_udi (plugin, hal_ctx, udi))
                g_ptr_array_add (array, g_strdup (udi));
        }

        if (array->len > 0) {
            g_ptr_array_add (array, NULL);
            supported = (char **) g_ptr_array_free (array, FALSE);
        } else
            g_ptr_array_free (array, TRUE);
    }

    g_strfreev (devices);

    return supported;
}

static void
is_novatel_modem (LibHalContext *hal_ctx,
                  const char *udi,
                  gboolean *is_novatel_gsm,
                  gboolean *is_novatel_cdma)
{
    char **capabilities;
    char **iter;

    *is_novatel_gsm = *is_novatel_cdma = FALSE;

    capabilities = libhal_device_get_property_strlist (hal_ctx, udi, "modem.command_sets", NULL);
    for (iter = capabilities; iter && *iter && !*is_novatel_gsm && !*is_novatel_cdma; iter++) {
        char *parent_udi;

        parent_udi = libhal_device_get_property_string (hal_ctx, udi, "info.parent", NULL);
        if (parent_udi) {
            int vendor;

            vendor = libhal_device_get_property_int (hal_ctx, parent_udi, "usb.vendor_id", NULL);
            if (vendor == 0x1410) {
                if (!strcmp (*iter, "GSM-07.07")) {
                    *is_novatel_gsm = TRUE;
                } else if (!strcmp (*iter, "IS-707-A")) {
                    *is_novatel_cdma = TRUE;
                }
            }

            libhal_free_string (parent_udi);
        }
    }

    g_strfreev (capabilities);
}

static gboolean
supports_udi (MMPlugin *plugin, LibHalContext *hal_ctx, const char *udi)
{
    gboolean is_novatel_gsm = FALSE;
    gboolean is_novatel_cdma = FALSE;

    is_novatel_modem (hal_ctx, udi, &is_novatel_gsm, &is_novatel_cdma);

    return is_novatel_gsm || is_novatel_cdma;
}

static char *
get_driver_name (LibHalContext *ctx, const char *udi)
{
    char *parent_udi;
    char *driver = NULL;

    parent_udi = libhal_device_get_property_string (ctx, udi, "info.parent", NULL);
    if (parent_udi) {
        driver = libhal_device_get_property_string (ctx, parent_udi, "info.linux.driver", NULL);
        libhal_free_string (parent_udi);
    }

    return driver;
}

static MMModem *
create_modem (MMPlugin *plugin, LibHalContext *hal_ctx, const char *udi)
{
    char *data_device;
    char *driver;
    MMModem *modem;
    gboolean is_novatel_gsm = FALSE;
    gboolean is_novatel_cdma = FALSE;

    is_novatel_modem (hal_ctx, udi, &is_novatel_gsm, &is_novatel_cdma);
    g_return_val_if_fail (!is_novatel_gsm && !is_novatel_cdma, NULL);

    data_device = libhal_device_get_property_string (hal_ctx, udi, "serial.device", NULL);
    g_return_val_if_fail (data_device != NULL, NULL);

    driver = get_driver_name (hal_ctx, udi);
    g_return_val_if_fail (driver != NULL, NULL);

    if (is_novatel_gsm)
        modem = MM_MODEM (mm_modem_novatel_gsm_new (data_device, driver));
    else
        modem = MM_MODEM (mm_modem_novatel_cdma_new (data_device, driver));

    libhal_free_string (data_device);
    libhal_free_string (driver);

    return modem;
}

/*****************************************************************************/

static void
plugin_init (MMPlugin *plugin_class)
{
    /* interface implementation */
    plugin_class->get_name = get_name;
    plugin_class->list_supported_udis = list_supported_udis;
    plugin_class->supports_udi = supports_udi;
    plugin_class->create_modem = create_modem;
}

static void
mm_plugin_novatel_init (MMPluginNovatel *self)
{
}

static void
mm_plugin_novatel_class_init (MMPluginNovatelClass *klass)
{
}