| /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| /* |
| * Copyright (C) 2008 Ericsson AB |
| * |
| * Author: Per Hallsmark <per.hallsmark@ericsson.com> |
| * |
| * 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. |
| * |
| */ |
| |
| #include <string.h> |
| #include <gmodule.h> |
| |
| #define G_UDEV_API_IS_SUBJECT_TO_CHANGE |
| #include <gudev/gudev.h> |
| |
| #include "mm-plugin-mbm.h" |
| #include "mm-modem-mbm.h" |
| |
| G_DEFINE_TYPE (MMPluginMbm, mm_plugin_mbm, MM_TYPE_PLUGIN_BASE) |
| |
| 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_MBM, |
| MM_PLUGIN_BASE_NAME, "Ericsson MBM", |
| NULL)); |
| } |
| |
| /*****************************************************************************/ |
| |
| static guint32 |
| get_level_for_capabilities (guint32 capabilities) |
| { |
| if (capabilities & MM_PLUGIN_BASE_PORT_CAP_GSM) |
| return 10; |
| return 0; |
| } |
| |
| static void |
| probe_result (MMPluginBase *base, |
| MMPluginBaseSupportsTask *task, |
| guint32 capabilities, |
| gpointer user_data) |
| { |
| mm_plugin_base_supports_task_complete (task, get_level_for_capabilities (capabilities)); |
| } |
| |
| static MMPluginSupportsResult |
| supports_port (MMPluginBase *base, |
| MMModem *existing, |
| MMPluginBaseSupportsTask *task) |
| { |
| GUdevClient *client; |
| const char *sys[] = { "tty", "net", NULL }; |
| GUdevDevice *port, *physdev; |
| const char *driver, *subsys, *physdev_path; |
| gboolean is_mbm; |
| |
| /* Can't do anything with non-serial ports */ |
| port = mm_plugin_base_supports_task_get_port (task); |
| g_assert (port); |
| subsys = g_udev_device_get_subsystem (port); |
| g_assert (subsys); |
| |
| if (strcmp (subsys, "tty") && strcmp (subsys, "net")) |
| return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED; |
| |
| driver = mm_plugin_base_supports_task_get_driver (task); |
| if (!driver) |
| return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED; |
| |
| client = g_udev_client_new (sys); |
| if (!client) { |
| g_warn_if_fail (client != NULL); |
| return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED; |
| } |
| |
| /* Look up the port's physical device and see if this port is really an |
| * 'mbm' modem, since we have no other way of telling. |
| */ |
| physdev_path = mm_plugin_base_supports_task_get_physdev_path (task); |
| physdev = g_udev_client_query_by_sysfs_path (client, physdev_path); |
| g_assert (physdev); |
| |
| is_mbm = g_udev_device_get_property_as_boolean (physdev, "ID_MM_ERICSSON_MBM"); |
| g_object_unref (client); |
| |
| if (!is_mbm) |
| return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED; |
| |
| if (!strcmp (subsys, "net")) { |
| mm_plugin_base_supports_task_complete (task, 10); |
| return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS; |
| } |
| |
| /* Check if a previous probing was already launched in this port */ |
| if (mm_plugin_base_supports_task_propagate_cached (task)) { |
| guint32 level; |
| |
| /* A previous probing was already done, use its results */ |
| level = get_level_for_capabilities (mm_plugin_base_supports_task_get_probed_capabilities (task)); |
| if (level) { |
| mm_plugin_base_supports_task_complete (task, level); |
| return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS; |
| } |
| return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED; |
| } |
| |
| /* Otherwise kick off a probe */ |
| if (mm_plugin_base_probe_port (base, task, 0, NULL)) |
| return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS; |
| |
| return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED; |
| } |
| |
| static MMModem * |
| grab_port (MMPluginBase *base, |
| MMModem *existing, |
| MMPluginBaseSupportsTask *task, |
| GError **error) |
| { |
| GUdevDevice *port = NULL; |
| MMModem *modem = NULL; |
| const char *name, *subsys, *sysfs_path; |
| guint32 caps; |
| guint16 vendor = 0, product = 0; |
| |
| port = mm_plugin_base_supports_task_get_port (task); |
| g_assert (port); |
| |
| subsys = g_udev_device_get_subsystem (port); |
| name = g_udev_device_get_name (port); |
| |
| caps = mm_plugin_base_supports_task_get_probed_capabilities (task); |
| if (!(caps & MM_PLUGIN_BASE_PORT_CAP_GSM) && strcmp (subsys, "net")) |
| return NULL; |
| |
| if (!mm_plugin_base_get_device_ids (base, subsys, name, &vendor, &product)) { |
| g_set_error (error, 0, 0, "Could not get modem product ID."); |
| return NULL; |
| } |
| |
| sysfs_path = mm_plugin_base_supports_task_get_physdev_path (task); |
| if (!existing) { |
| modem = mm_modem_mbm_new (sysfs_path, |
| mm_plugin_base_supports_task_get_driver (task), |
| mm_plugin_get_name (MM_PLUGIN (base)), |
| vendor, |
| product); |
| if (modem) { |
| if (!mm_modem_grab_port (modem, subsys, name, MM_PORT_TYPE_UNKNOWN, NULL, error)) { |
| g_object_unref (modem); |
| return NULL; |
| } |
| } |
| } else { |
| modem = existing; |
| if (!mm_modem_grab_port (modem, subsys, name, MM_PORT_TYPE_UNKNOWN, NULL, error)) |
| return NULL; |
| } |
| |
| return modem; |
| } |
| |
| /*****************************************************************************/ |
| |
| static void |
| mm_plugin_mbm_init (MMPluginMbm *self) |
| { |
| g_signal_connect (self, "probe-result", G_CALLBACK (probe_result), NULL); |
| } |
| |
| static void |
| mm_plugin_mbm_class_init (MMPluginMbmClass *klass) |
| { |
| MMPluginBaseClass *pb_class = MM_PLUGIN_BASE_CLASS (klass); |
| |
| pb_class->supports_port = supports_port; |
| pb_class->grab_port = grab_port; |
| } |