via: new 'Via CBP7' plugin

This is the port to git master of the following commit:

commit ff8c60641aa2ea41080c15f81f633b3f78e07bf8
Author: Dan Williams <dcbw@redhat.com>
Date:   Mon Sep 10 17:12:38 2012 -0500

    via: new plugin for CBP7-based CDMA and EVDO devices (bgo #683525)

    The Via baseband is used in a number of CDMA/EVDO devices, from
    ChinaTelecom USB sticks, to the Fusion Wireless/UBlox 2770p, to
    various Motorola Android phones.

5 files changed, 772 insertions, 1 deletions

diff --git a/plugins/Makefile.am b/plugins/Makefile.am
index c1d63dce..7731a59d 100644
--- a/plugins/Makefile.am
+++ b/plugins/Makefile.am
@@ -66,7 +66,8 @@ pkglib_LTLIBRARIES = \
 	libmm-plugin-pantech.la \
 	libmm-plugin-zte.la \
 	libmm-plugin-sierra.la \
-	libmm-plugin-mbm.la
+	libmm-plugin-mbm.la \
+	libmm-plugin-via.la
 
 # Generic
 libmm_plugin_generic_la_SOURCES = \
@@ -307,6 +308,15 @@ libmm_plugin_novatel_la_SOURCES = \
 libmm_plugin_novatel_la_CPPFLAGS = $(PLUGIN_COMMON_COMPILER_FLAGS)
 libmm_plugin_novatel_la_LDFLAGS = $(PLUGIN_COMMON_LINKER_FLAGS)
 
+# VIA modem
+libmm_plugin_via_la_SOURCES = \
+	via/mm-plugin-via.c \
+	via/mm-plugin-via.h \
+	via/mm-broadband-modem-via.c \
+	via/mm-broadband-modem-via.h
+libmm_plugin_via_la_CPPFLAGS = $(PLUGIN_COMMON_COMPILER_FLAGS)
+libmm_plugin_via_la_LDFLAGS = $(PLUGIN_COMMON_LINKER_FLAGS)
+
 # Additional files to include in the distribution
 EXTRA_DIST = \
 	$(udevrules_DATA)
diff --git a/plugins/via/mm-broadband-modem-via.c b/plugins/via/mm-broadband-modem-via.c
new file mode 100644
index 00000000..2a5b7c1e
--- /dev/null
+++ b/plugins/via/mm-broadband-modem-via.c
@@ -0,0 +1,583 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details:
+ *
+ * Copyright (C) 2012 Red Hat, Inc.
+ */
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <ctype.h>
+
+#define _LIBMM_INSIDE_MM
+#include <libmm-glib.h>
+
+#include "mm-log.h"
+#include "mm-modem-helpers.h"
+#include "mm-errors-types.h"
+#include "mm-base-modem-at.h"
+#include "mm-broadband-modem-via.h"
+#include "mm-iface-modem-cdma.h"
+#include "mm-iface-modem.h"
+
+static void iface_modem_cdma_init (MMIfaceModemCdma *iface);
+
+static MMIfaceModemCdma *iface_modem_cdma_parent;
+
+G_DEFINE_TYPE_EXTENDED (MMBroadbandModemVia, mm_broadband_modem_via, MM_TYPE_BROADBAND_MODEM, 0,
+                        G_IMPLEMENT_INTERFACE (MM_TYPE_IFACE_MODEM_CDMA, iface_modem_cdma_init))
+
+struct _MMBroadbandModemViaPrivate {
+    /* Regex for signal quality related notifications */
+    GRegex *hrssilvl_regex; /* EVDO signal strength */
+
+    /* Regex for other notifications to ignore */
+    GRegex *mode_regex; /* Access technology change */
+    GRegex *dosession_regex; /* EVDO data dormancy */
+    GRegex *simst_regex;
+    GRegex *vpon_regex;
+    GRegex *creg_regex;
+    GRegex *vrom_regex; /* Roaming indicator (reportedly unreliable) */
+    GRegex *vser_regex;
+    GRegex *ciev_regex;
+    GRegex *vpup_regex;
+};
+
+/*****************************************************************************/
+/* Setup registration checks (CDMA interface) */
+
+typedef struct {
+    gboolean skip_qcdm_call_manager_step;
+    gboolean skip_qcdm_hdr_step;
+    gboolean skip_at_cdma_service_status_step;
+    gboolean skip_at_cdma1x_serving_system_step;
+    gboolean skip_detailed_registration_state;
+} SetupRegistrationChecksResults;
+
+static gboolean
+setup_registration_checks_finish (MMIfaceModemCdma *self,
+                                  GAsyncResult *res,
+                                  gboolean *skip_qcdm_call_manager_step,
+                                  gboolean *skip_qcdm_hdr_step,
+                                  gboolean *skip_at_cdma_service_status_step,
+                                  gboolean *skip_at_cdma1x_serving_system_step,
+                                  gboolean *skip_detailed_registration_state,
+                                  GError **error)
+{
+    SetupRegistrationChecksResults *results;
+
+    if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error))
+        return FALSE;
+
+    results = g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (res));
+    *skip_qcdm_call_manager_step = results->skip_qcdm_call_manager_step;
+    *skip_qcdm_hdr_step = results->skip_qcdm_hdr_step;
+    *skip_at_cdma_service_status_step = results->skip_at_cdma_service_status_step;
+    *skip_at_cdma1x_serving_system_step = results->skip_at_cdma1x_serving_system_step;
+    *skip_detailed_registration_state = results->skip_detailed_registration_state;
+    return TRUE;
+}
+
+static void
+parent_setup_registration_checks_ready (MMIfaceModemCdma *self,
+                                        GAsyncResult *res,
+                                        GSimpleAsyncResult *simple)
+{
+    GError *error = NULL;
+    SetupRegistrationChecksResults results = { 0 };
+
+    if (!iface_modem_cdma_parent->setup_registration_checks_finish (self,
+                                                                    res,
+                                                                    &results.skip_qcdm_call_manager_step,
+                                                                    &results.skip_qcdm_hdr_step,
+                                                                    &results.skip_at_cdma_service_status_step,
+                                                                    &results.skip_at_cdma1x_serving_system_step,
+                                                                    &results.skip_detailed_registration_state,
+                                                                    &error)) {
+        g_simple_async_result_take_error (simple, error);
+    } else {
+        /* Skip +CSS */
+        results.skip_at_cdma1x_serving_system_step = TRUE;
+        /* Skip +CAD */
+        results.skip_at_cdma_service_status_step = TRUE;
+
+        /* Force to always use the detailed registration checks, as we have
+         * ^SYSINFO for that */
+        results.skip_detailed_registration_state = FALSE;
+
+        g_simple_async_result_set_op_res_gpointer (simple, &results, NULL);
+    }
+
+    /* All done. NOTE: complete NOT in idle! */
+    g_simple_async_result_complete (simple);
+    g_object_unref (simple);
+}
+
+static void
+setup_registration_checks (MMIfaceModemCdma *self,
+                           GAsyncReadyCallback callback,
+                           gpointer user_data)
+{
+    GSimpleAsyncResult *result;
+
+    result = g_simple_async_result_new (G_OBJECT (self),
+                                        callback,
+                                        user_data,
+                                        setup_registration_checks);
+
+    /* Run parent's checks first */
+    iface_modem_cdma_parent->setup_registration_checks (self,
+                                                        (GAsyncReadyCallback)parent_setup_registration_checks_ready,
+                                                        result);
+}
+
+/*****************************************************************************/
+/* Detailed registration state (CDMA interface) */
+
+typedef struct {
+    MMModemCdmaRegistrationState detailed_cdma1x_state;
+    MMModemCdmaRegistrationState detailed_evdo_state;
+} DetailedRegistrationStateResults;
+
+typedef struct {
+    MMBroadbandModem *self;
+    GSimpleAsyncResult *result;
+    DetailedRegistrationStateResults state;
+} DetailedRegistrationStateContext;
+
+static void
+detailed_registration_state_context_complete_and_free (DetailedRegistrationStateContext *ctx)
+{
+    /* Always not in idle! we're passing a struct in stack as result */
+    g_simple_async_result_complete (ctx->result);
+    g_object_unref (ctx->result);
+    g_object_unref (ctx->self);
+    g_free (ctx);
+}
+
+static gboolean
+get_detailed_registration_state_finish (MMIfaceModemCdma *self,
+                                        GAsyncResult *res,
+                                        MMModemCdmaRegistrationState *detailed_cdma1x_state,
+                                        MMModemCdmaRegistrationState *detailed_evdo_state,
+                                        GError **error)
+{
+    DetailedRegistrationStateResults *results;
+
+    if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error))
+        return FALSE;
+
+    results = g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (res));
+    *detailed_cdma1x_state = results->detailed_cdma1x_state;
+    *detailed_evdo_state = results->detailed_evdo_state;
+    return TRUE;
+}
+
+static void
+sysinfo_ready (MMIfaceModemCdma *self,
+               GAsyncResult *res,
+               DetailedRegistrationStateContext *ctx)
+{
+    GError *error = NULL;
+    const gchar *response;
+    GRegex *r;
+    GMatchInfo *match_info;
+
+    response = mm_base_modem_at_command_finish (MM_BASE_MODEM (self), res, &error);
+
+    /* If error, leave superclass' reg state alone if AT^SYSINFO isn't supported. */
+    if (error) {
+        g_error_free (error);
+
+        /* NOTE: always complete NOT in idle here */
+        g_simple_async_result_set_op_res_gpointer (ctx->result, &ctx->state, NULL);
+        detailed_registration_state_context_complete_and_free (ctx);
+        return;
+    }
+
+    response = mm_strip_tag (response, "^SYSINFO:");
+
+    /* Format is "<srv_status>,<srv_domain>,<roam_status>,<sys_mode>,<sim_state>" */
+    r = g_regex_new ("\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)",
+                     G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+    g_assert (r != NULL);
+
+    /* Try to parse the results */
+
+    g_regex_match (r, response, 0, &match_info);
+
+    if (g_match_info_get_match_count (match_info) < 6) {
+        mm_warn ("Via: failed to parse ^SYSINFO response: '%s'", response);
+    } else {
+        MMModemCdmaRegistrationState reg_state;
+        guint val = 0;
+
+        /* At this point the generic code already knows we've been registered */
+        reg_state = MM_MODEM_CDMA_REGISTRATION_STATE_REGISTERED;
+
+        if (mm_get_uint_from_match_info (match_info, 1, &val)) {
+            if (val == 2) {
+                /* Service available, check roaming state */
+                val = 0;
+                if (mm_get_uint_from_match_info (match_info, 3, &val)) {
+                    if (val == 0)
+                        reg_state = MM_MODEM_CDMA_REGISTRATION_STATE_HOME;
+                    else if (val == 1)
+                        reg_state = MM_MODEM_CDMA_REGISTRATION_STATE_ROAMING;
+                }
+            }
+        }
+
+        /* Check service type */
+        val = 0;
+        if (mm_get_uint_from_match_info (match_info, 4, &val)) {
+            if (val == 2) /* CDMA */
+                ctx->state.detailed_cdma1x_state = reg_state;
+            else if (val == 4) /* HDR */
+                ctx->state.detailed_evdo_state = reg_state;
+            else if (val == 8) { /* Hybrid */
+                ctx->state.detailed_cdma1x_state = reg_state;
+                ctx->state.detailed_evdo_state = reg_state;
+            }
+        } else {
+            /* Say we're registered to something even though sysmode parsing failed */
+            mm_dbg ("SYSMODE parsing failed: assuming registered at least in CDMA1x");
+            ctx->state.detailed_cdma1x_state = reg_state;
+        }
+    }
+
+    g_match_info_free (match_info);
+    g_regex_unref (r);
+
+    /* NOTE: always complete NOT in idle here */
+    g_simple_async_result_set_op_res_gpointer (ctx->result, &ctx->state, NULL);
+    detailed_registration_state_context_complete_and_free (ctx);
+}
+
+static void
+get_detailed_registration_state (MMIfaceModemCdma *self,
+                                 MMModemCdmaRegistrationState cdma1x_state,
+                                 MMModemCdmaRegistrationState evdo_state,
+                                 GAsyncReadyCallback callback,
+                                 gpointer user_data)
+{
+    DetailedRegistrationStateContext *ctx;
+
+    /* Setup context */
+    ctx = g_new0 (DetailedRegistrationStateContext, 1);
+    ctx->self = g_object_ref (self);
+    ctx->result = g_simple_async_result_new (G_OBJECT (self),
+                                             callback,
+                                             user_data,
+                                             get_detailed_registration_state);
+    ctx->state.detailed_cdma1x_state = cdma1x_state;
+    ctx->state.detailed_evdo_state = evdo_state;
+
+    mm_base_modem_at_command (MM_BASE_MODEM (self),
+                              "^SYSINFO",
+                              3,
+                              FALSE,
+                              (GAsyncReadyCallback)sysinfo_ready,
+                              ctx);
+}
+
+/*****************************************************************************/
+/* Setup/Cleanup unsolicited events (CDMA interface) */
+
+static void
+handle_evdo_quality_change (MMAtSerialPort *port,
+                            GMatchInfo *match_info,
+                            MMBroadbandModemVia *self)
+{
+    guint quality = 0;
+
+    if (mm_get_uint_from_match_info (match_info, 1, &quality)) {
+        quality = CLAMP (quality, 0, 100);
+        mm_dbg ("EVDO signal quality: %u", quality);
+        mm_iface_modem_update_signal_quality (MM_IFACE_MODEM (self), quality);
+    }
+}
+
+static void
+set_unsolicited_events_handlers (MMBroadbandModemVia *self,
+                                 gboolean enable)
+{
+    MMAtSerialPort *ports[2];
+    guint i;
+
+    ports[0] = mm_base_modem_peek_port_primary (MM_BASE_MODEM (self));
+    ports[1] = mm_base_modem_peek_port_secondary (MM_BASE_MODEM (self));
+
+    /* Enable unsolicited events in given port */
+    for (i = 0; i < 2; i++) {
+        if (!ports[i])
+            continue;
+
+        /* Signal quality related */
+        mm_at_serial_port_add_unsolicited_msg_handler (
+            ports[i],
+            self->priv->hrssilvl_regex,
+            enable ? (MMAtSerialUnsolicitedMsgFn)handle_evdo_quality_change : NULL,
+            enable ? self : NULL,
+            NULL);
+    }
+}
+
+static gboolean
+modem_cdma_setup_cleanup_unsolicited_events_finish (MMIfaceModemCdma *self,
+                                                    GAsyncResult *res,
+                                                    GError **error)
+{
+    return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error);
+}
+
+static void
+parent_cdma_setup_unsolicited_events_ready (MMIfaceModemCdma *self,
+                                            GAsyncResult *res,
+                                            GSimpleAsyncResult *simple)
+{
+    GError *error = NULL;
+
+    if (!iface_modem_cdma_parent->setup_unsolicited_events_finish (self, res, &error))
+        g_simple_async_result_take_error (simple, error);
+    else {
+        /* Our own setup now */
+        set_unsolicited_events_handlers (MM_BROADBAND_MODEM_VIA (self), TRUE);
+        g_simple_async_result_set_op_res_gboolean (G_SIMPLE_ASYNC_RESULT (res), TRUE);
+    }
+
+    g_simple_async_result_complete (simple);
+    g_object_unref (simple);
+}
+
+static void
+modem_cdma_setup_unsolicited_events (MMIfaceModemCdma *self,
+                                     GAsyncReadyCallback callback,
+                                     gpointer user_data)
+{
+    GSimpleAsyncResult *result;
+
+    result = g_simple_async_result_new (G_OBJECT (self),
+                                        callback,
+                                        user_data,
+                                        modem_cdma_setup_unsolicited_events);
+
+    /* Chain up parent's setup */
+    iface_modem_cdma_parent->setup_unsolicited_events (
+        self,
+        (GAsyncReadyCallback)parent_cdma_setup_unsolicited_events_ready,
+        result);
+}
+
+static void
+parent_cdma_cleanup_unsolicited_events_ready (MMIfaceModemCdma *self,
+                                              GAsyncResult *res,
+                                              GSimpleAsyncResult *simple)
+{
+    GError *error = NULL;
+
+    if (!iface_modem_cdma_parent->cleanup_unsolicited_events_finish (self, res, &error))
+        g_simple_async_result_take_error (simple, error);
+    else
+        g_simple_async_result_set_op_res_gboolean (G_SIMPLE_ASYNC_RESULT (res), TRUE);
+    g_simple_async_result_complete (simple);
+    g_object_unref (simple);
+}
+
+static void
+modem_cdma_cleanup_unsolicited_events (MMIfaceModemCdma *self,
+                                       GAsyncReadyCallback callback,
+                                       gpointer user_data)
+{
+    GSimpleAsyncResult *result;
+
+    result = g_simple_async_result_new (G_OBJECT (self),
+                                        callback,
+                                        user_data,
+                                        modem_cdma_cleanup_unsolicited_events);
+
+    /* Our own cleanup first */
+    set_unsolicited_events_handlers (MM_BROADBAND_MODEM_VIA (self), FALSE);
+
+    /* And now chain up parent's cleanup */
+    iface_modem_cdma_parent->cleanup_unsolicited_events (
+        self,
+        (GAsyncReadyCallback)parent_cdma_cleanup_unsolicited_events_ready,
+        result);
+}
+
+/*****************************************************************************/
+/* Setup ports (Broadband modem class) */
+
+static void
+set_ignored_unsolicited_events_handlers (MMBroadbandModemVia *self)
+{
+    MMAtSerialPort *ports[2];
+    guint i;
+
+    ports[0] = mm_base_modem_peek_port_primary (MM_BASE_MODEM (self));
+    ports[1] = mm_base_modem_peek_port_secondary (MM_BASE_MODEM (self));
+
+    /* Enable unsolicited events in given port */
+    for (i = 0; i < 2; i++) {
+        if (!ports[i])
+            continue;
+
+        mm_at_serial_port_add_unsolicited_msg_handler (
+            ports[i],
+            self->priv->mode_regex,
+            NULL, NULL, NULL);
+        mm_at_serial_port_add_unsolicited_msg_handler (
+            ports[i],
+            self->priv->dosession_regex,
+            NULL, NULL, NULL);
+        mm_at_serial_port_add_unsolicited_msg_handler (
+            ports[i],
+            self->priv->simst_regex,
+            NULL, NULL, NULL);
+        mm_at_serial_port_add_unsolicited_msg_handler (
+            ports[i],
+            self->priv->vpon_regex,
+            NULL, NULL, NULL);
+        mm_at_serial_port_add_unsolicited_msg_handler (
+            ports[i],
+            self->priv->creg_regex,
+            NULL, NULL, NULL);
+        mm_at_serial_port_add_unsolicited_msg_handler (
+            ports[i],
+            self->priv->vrom_regex,
+            NULL, NULL, NULL);
+        mm_at_serial_port_add_unsolicited_msg_handler (
+            ports[i],
+            self->priv->vser_regex,
+            NULL, NULL, NULL);
+        mm_at_serial_port_add_unsolicited_msg_handler (
+            ports[i],
+            self->priv->ciev_regex,
+            NULL, NULL, NULL);
+        mm_at_serial_port_add_unsolicited_msg_handler (
+            ports[i],
+            self->priv->vpup_regex,
+            NULL, NULL, NULL);
+    }
+}
+
+static void
+setup_ports (MMBroadbandModem *self)
+{
+    /* Call parent's setup ports first always */
+    MM_BROADBAND_MODEM_CLASS (mm_broadband_modem_via_parent_class)->setup_ports (self);
+
+    /* Unsolicited messages to always ignore */
+    set_ignored_unsolicited_events_handlers (MM_BROADBAND_MODEM_VIA (self));
+
+    /* Now reset the unsolicited messages we'll handle when enabled */
+    set_unsolicited_events_handlers (MM_BROADBAND_MODEM_VIA (self), FALSE);
+}
+
+/*****************************************************************************/
+
+MMBroadbandModemVia *
+mm_broadband_modem_via_new (const gchar *device,
+                            const gchar **drivers,
+                            const gchar *plugin,
+                            guint16 vendor_id,
+                            guint16 product_id)
+{
+    return g_object_new (MM_TYPE_BROADBAND_MODEM_VIA,
+                         MM_BASE_MODEM_DEVICE, device,
+                         MM_BASE_MODEM_DRIVERS, drivers,
+                         MM_BASE_MODEM_PLUGIN, plugin,
+                         MM_BASE_MODEM_VENDOR_ID, vendor_id,
+                         MM_BASE_MODEM_PRODUCT_ID, product_id,
+                         NULL);
+}
+
+static void
+mm_broadband_modem_via_init (MMBroadbandModemVia *self)
+{
+    /* Initialize private data */
+    self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
+                                              MM_TYPE_BROADBAND_MODEM_VIA,
+                                              MMBroadbandModemViaPrivate);
+
+    /* Prepare regular expressions to setup */
+    self->priv->hrssilvl_regex = g_regex_new ("\\r\\n\\^HRSSILVL:(.*)\\r\\n",
+                                              G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+    self->priv->mode_regex = g_regex_new ("\\r\\n\\^MODE:(.*)\\r\\n",
+                                          G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+    self->priv->dosession_regex = g_regex_new ("\\r\\n\\+DOSESSION:(.*)\\r\\n",
+                                               G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+    self->priv->simst_regex = g_regex_new ("\\r\\n\\^SIMST:(.*)\\r\\n",
+                                           G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+    self->priv->simst_regex = g_regex_new ("\\r\\n\\+VPON:(.*)\\r\\n",
+                                           G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+    self->priv->creg_regex = g_regex_new ("\\r\\n\\+CREG:(.*)\\r\\n",
+                                          G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+    self->priv->vrom_regex = g_regex_new ("\\r\\n\\+VROM:(.*)\\r\\n",
+                                          G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+    self->priv->vser_regex = g_regex_new ("\\r\\n\\+VSER:(.*)\\r\\n",
+                                          G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+    self->priv->ciev_regex = g_regex_new ("\\r\\n\\+CIEV:(.*)\\r\\n",
+                                          G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+    self->priv->vpup_regex = g_regex_new ("\\r\\n\\+VPUP:(.*)\\r\\n",
+                                          G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+}
+
+static void
+finalize (GObject *object)
+{
+    MMBroadbandModemVia *self = MM_BROADBAND_MODEM_VIA (object);
+
+    g_regex_unref (self->priv->hrssilvl_regex);
+    g_regex_unref (self->priv->mode_regex);
+    g_regex_unref (self->priv->dosession_regex);
+    g_regex_unref (self->priv->simst_regex);
+    g_regex_unref (self->priv->simst_regex);
+    g_regex_unref (self->priv->creg_regex);
+    g_regex_unref (self->priv->vrom_regex);
+    g_regex_unref (self->priv->vser_regex);
+    g_regex_unref (self->priv->ciev_regex);
+    g_regex_unref (self->priv->vpup_regex);
+
+    G_OBJECT_CLASS (mm_broadband_modem_via_parent_class)->finalize (object);
+}
+
+static void
+iface_modem_cdma_init (MMIfaceModemCdma *iface)
+{
+    iface_modem_cdma_parent = g_type_interface_peek_parent (iface);
+
+    iface->setup_unsolicited_events = modem_cdma_setup_unsolicited_events;
+    iface->setup_unsolicited_events_finish = modem_cdma_setup_cleanup_unsolicited_events_finish;
+    iface->cleanup_unsolicited_events = modem_cdma_cleanup_unsolicited_events;
+    iface->cleanup_unsolicited_events_finish = modem_cdma_setup_cleanup_unsolicited_events_finish;
+    iface->setup_registration_checks = setup_registration_checks;
+    iface->setup_registration_checks_finish = setup_registration_checks_finish;
+    iface->get_detailed_registration_state = get_detailed_registration_state;
+    iface->get_detailed_registration_state_finish = get_detailed_registration_state_finish;
+}
+
+static void
+mm_broadband_modem_via_class_init (MMBroadbandModemViaClass *klass)
+{
+    GObjectClass *object_class = G_OBJECT_CLASS (klass);
+    MMBroadbandModemClass *broadband_modem_class = MM_BROADBAND_MODEM_CLASS (klass);
+
+    g_type_class_add_private (object_class, sizeof (MMBroadbandModemViaPrivate));
+
+    object_class->finalize = finalize;
+    broadband_modem_class->setup_ports = setup_ports;
+}
diff --git a/plugins/via/mm-broadband-modem-via.h b/plugins/via/mm-broadband-modem-via.h
new file mode 100644
index 00000000..2a31117f
--- /dev/null
+++ b/plugins/via/mm-broadband-modem-via.h
@@ -0,0 +1,49 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details:
+ *
+ * Copyright (C) 2012 Red Hat, Inc.
+ */
+
+#ifndef MM_BROADBAND_MODEM_VIA_H
+#define MM_BROADBAND_MODEM_VIA_H
+
+#include "mm-broadband-modem.h"
+
+#define MM_TYPE_BROADBAND_MODEM_VIA            (mm_broadband_modem_via_get_type ())
+#define MM_BROADBAND_MODEM_VIA(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), MM_TYPE_BROADBAND_MODEM_VIA, MMBroadbandModemVia))
+#define MM_BROADBAND_MODEM_VIA_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  MM_TYPE_BROADBAND_MODEM_VIA, MMBroadbandModemViaClass))
+#define MM_IS_BROADBAND_MODEM_VIA(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MM_TYPE_BROADBAND_MODEM_VIA))
+#define MM_IS_BROADBAND_MODEM_VIA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  MM_TYPE_BROADBAND_MODEM_VIA))
+#define MM_BROADBAND_MODEM_VIA_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  MM_TYPE_BROADBAND_MODEM_VIA, MMBroadbandModemViaClass))
+
+typedef struct _MMBroadbandModemVia MMBroadbandModemVia;
+typedef struct _MMBroadbandModemViaClass MMBroadbandModemViaClass;
+typedef struct _MMBroadbandModemViaPrivate MMBroadbandModemViaPrivate;
+
+struct _MMBroadbandModemVia {
+    MMBroadbandModem parent;
+    MMBroadbandModemViaPrivate *priv;
+};
+
+struct _MMBroadbandModemViaClass{
+    MMBroadbandModemClass parent;
+};
+
+GType mm_broadband_modem_via_get_type (void);
+
+MMBroadbandModemVia *mm_broadband_modem_via_new (const gchar *device,
+                                                 const gchar **drivers,
+                                                 const gchar *plugin,
+                                                 guint16 vendor_id,
+                                                 guint16 product_id);
+
+#endif /* MM_BROADBAND_MODEM_VIA_H */
diff --git a/plugins/via/mm-plugin-via.c b/plugins/via/mm-plugin-via.c
new file mode 100644
index 00000000..3a06b5f8
--- /dev/null
+++ b/plugins/via/mm-plugin-via.c
@@ -0,0 +1,83 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2012 Red Hat, Inc.
+ */
+
+#include <string.h>
+#include <gmodule.h>
+
+#define _LIBMM_INSIDE_MM
+#include <libmm-glib.h>
+
+#include "mm-broadband-modem-via.h"
+#include "mm-plugin-via.h"
+#include "mm-log.h"
+
+G_DEFINE_TYPE (MMPluginVia, mm_plugin_via, MM_TYPE_PLUGIN)
+
+int mm_plugin_major_version = MM_PLUGIN_MAJOR_VERSION;
+int mm_plugin_minor_version = MM_PLUGIN_MINOR_VERSION;
+
+static MMBaseModem *
+create_modem (MMPlugin *self,
+              const gchar *sysfs_path,
+              const gchar **drivers,
+              guint16 vendor,
+              guint16 product,
+              GList *probes,
+              GError **error)
+{
+    return MM_BASE_MODEM (mm_broadband_modem_via_new (sysfs_path,
+                                                      drivers,
+                                                      mm_plugin_get_name (self),
+                                                      vendor,
+                                                      product));
+}
+
+/*****************************************************************************/
+
+G_MODULE_EXPORT MMPlugin *
+mm_plugin_create (void)
+{
+    static const gchar *subsystems[] = { "tty", NULL };
+    static const mm_str_pair product_strings[] = { { "via",    "cbp7" },
+                                                   { "fusion", "2770p" },
+                                                   { NULL,     NULL } };
+
+    return MM_PLUGIN (
+        g_object_new (MM_TYPE_PLUGIN_VIA,
+                      MM_PLUGIN_NAME,                    "Via CBP7",
+                      MM_PLUGIN_ALLOWED_SUBSYSTEMS,      subsystems,
+                      MM_PLUGIN_ALLOWED_PRODUCT_STRINGS, product_strings,
+                      MM_PLUGIN_ALLOWED_AT,              TRUE,
+                      NULL));
+}
+
+static void
+mm_plugin_via_init (MMPluginVia *self)
+{
+}
+
+static void
+mm_plugin_via_class_init (MMPluginViaClass *klass)
+{
+    MMPluginClass *plugin_class = MM_PLUGIN_CLASS (klass);
+
+    plugin_class->create_modem = create_modem;
+}
diff --git a/plugins/via/mm-plugin-via.h b/plugins/via/mm-plugin-via.h
new file mode 100644
index 00000000..68d8c5f6
--- /dev/null
+++ b/plugins/via/mm-plugin-via.h
@@ -0,0 +1,46 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2012 Red Hat, Inc.
+ */
+
+#ifndef MM_PLUGIN_VIA_H
+#define MM_PLUGIN_VIA_H
+
+#include "mm-plugin.h"
+
+#define MM_TYPE_PLUGIN_VIA            (mm_plugin_via_get_type ())
+#define MM_PLUGIN_VIA(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), MM_TYPE_PLUGIN_VIA, MMPluginVia))
+#define MM_PLUGIN_VIA_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  MM_TYPE_PLUGIN_VIA, MMPluginViaClass))
+#define MM_IS_PLUGIN_VIA(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MM_TYPE_PLUGIN_VIA))
+#define MM_IS_PLUGIN_VIA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  MM_TYPE_PLUGIN_VIA))
+#define MM_PLUGIN_VIA_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  MM_TYPE_PLUGIN_VIA, MMPluginViaClass))
+
+typedef struct {
+    MMPlugin parent;
+} MMPluginVia;
+
+typedef struct {
+    MMPluginClass parent;
+} MMPluginViaClass;
+
+GType mm_plugin_via_get_type (void);
+
+G_MODULE_EXPORT MMPlugin *mm_plugin_create (void);
+
+#endif /* MM_PLUGIN_VIA_H */