/* -*- 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) 2008 - 2009 Novell, Inc. * Copyright (C) 2009 - 2012 Red Hat, Inc. * Copyright (C) 2012 Aleksander Morgado */ #include #include #define _LIBMM_INSIDE_MM #include #include "mm-log-object.h" #include "mm-modem-helpers.h" #include "mm-plugin-common.h" #include "mm-broadband-modem-longcheer.h" #define MM_TYPE_PLUGIN_LONGCHEER mm_plugin_longcheer_get_type () MM_DEFINE_PLUGIN (LONGCHEER, longcheer, Longcheer) /*****************************************************************************/ /* Custom init */ typedef struct { MMPortSerialAt *port; guint retries; } LongcheerCustomInitContext; static void longcheer_custom_init_context_free (LongcheerCustomInitContext *ctx) { g_object_unref (ctx->port); g_slice_free (LongcheerCustomInitContext, ctx); } static gboolean longcheer_custom_init_finish (MMPortProbe *probe, GAsyncResult *result, GError **error) { return g_task_propagate_boolean (G_TASK (result), error); } static void longcheer_custom_init_step (GTask *task); static void gmr_ready (MMPortSerialAt *port, GAsyncResult *res, GTask *task) { MMPortProbe *probe; const gchar *p; g_autofree gchar *response = NULL; probe = g_task_get_source_object (task); response = mm_port_serial_at_command_finish (port, res, NULL); if (!response) { mm_obj_dbg (probe, "retrying custom init step..."); longcheer_custom_init_step (task); return; } /* Note the lack of a ':' on the GMR; the X200 doesn't send one */ p = mm_strip_tag (response, "AT+GMR"); if (p && *p == 'L') { /* X200 modems have a GMR firmware revision that starts with 'L', and * as far as I can tell X060s devices have a revision starting with 'C'. * So use that to determine if the device is an X200, which this plugin * does not support since it uses a different chipset even though the * X060s and the X200 have the exact same USB VID and PID. */ g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_UNSUPPORTED, "X200 cannot be supported with the Longcheer plugin"); } else { mm_obj_dbg (probe, "device is not a X200"); g_task_return_boolean (task, TRUE); } g_object_unref (task); } static void longcheer_custom_init_step (GTask *task) { MMPortProbe *probe; LongcheerCustomInitContext *ctx; GCancellable *cancellable; probe = g_task_get_source_object (task); ctx = g_task_get_task_data (task); cancellable = g_task_get_cancellable (task); /* If cancelled, end */ if (g_cancellable_is_cancelled (cancellable)) { mm_obj_dbg (probe, "no need to keep on running custom init"); g_task_return_boolean (task, TRUE); g_object_unref (task); return; } if (ctx->retries == 0) { /* In this case, we need the AT command result to decide whether we can * support this modem or not, so really fail if we didn't get it. */ g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't get device revision information"); g_object_unref (task); return; } ctx->retries--; mm_port_serial_at_command ( ctx->port, "AT+GMR", 3, FALSE, /* raw */ FALSE, /* allow_cached */ cancellable, (GAsyncReadyCallback)gmr_ready, task); } static void longcheer_custom_init (MMPortProbe *probe, MMPortSerialAt *port, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data) { MMDevice *device; LongcheerCustomInitContext *ctx; GTask *task; ctx = g_slice_new (LongcheerCustomInitContext); ctx->port = g_object_ref (port); ctx->retries = 3; task = g_task_new (probe, cancellable, callback, user_data); /* Clears the check-cancellable flag of the task as we expect the task to * return TRUE upon cancellation. */ g_task_set_check_cancellable (task, FALSE); g_task_set_task_data (task, ctx, (GDestroyNotify)longcheer_custom_init_context_free); /* TCT/Alcatel in their infinite wisdom assigned the same USB VID/PID to * the x060s (Longcheer firmware) and the x200 (something else) and thus * we can't tell them apart via udev rules. Worse, they both report the * same +GMM and +GMI, so we're left with just +GMR which is a sketchy way * to tell modems apart. We can't really use Longcheer-specific commands * like AT+MODODR or AT+PSRAT because we're not sure if they work when the * SIM PIN has not been entered yet; many modems have a limited command * parser before the SIM is unlocked. */ device = mm_port_probe_peek_device (probe); if (mm_device_get_vendor (device) != 0x1bbb || mm_device_get_product (device) != 0x0000) { /* If not exactly this vendor/product, just skip */ g_task_return_boolean (task, TRUE); g_object_unref (task); return; } longcheer_custom_init_step (task); } /*****************************************************************************/ static MMBaseModem * create_modem (MMPlugin *self, const gchar *uid, const gchar *physdev, const gchar **drivers, guint16 vendor, guint16 product, guint16 subsystem_vendor, GList *probes, GError **error) { return MM_BASE_MODEM (mm_broadband_modem_longcheer_new (uid, physdev, drivers, mm_plugin_get_name (self), vendor, product)); } /*****************************************************************************/ MM_PLUGIN_NAMED_CREATOR_SCOPE MMPlugin * mm_plugin_create_longcheer (void) { static const gchar *subsystems[] = { "tty", NULL }; /* Vendors: Longcheer and TAMobile */ static const guint16 vendor_ids[] = { 0x1c9e, 0x1bbb, 0 }; /* Some TAMobile devices are different chipsets and should be handled * by other plugins, so only handle LONGCHEER tagged devices here. */ static const gchar *udev_tags[] = { "ID_MM_LONGCHEER_TAGGED", NULL }; static const MMAsyncMethod custom_init = { .async = G_CALLBACK (longcheer_custom_init), .finish = G_CALLBACK (longcheer_custom_init_finish), }; return MM_PLUGIN ( g_object_new (MM_TYPE_PLUGIN_LONGCHEER, MM_PLUGIN_NAME, MM_MODULE_NAME, MM_PLUGIN_ALLOWED_SUBSYSTEMS, subsystems, MM_PLUGIN_ALLOWED_VENDOR_IDS, vendor_ids, MM_PLUGIN_ALLOWED_AT, TRUE, MM_PLUGIN_ALLOWED_UDEV_TAGS, udev_tags, MM_PLUGIN_CUSTOM_INIT, &custom_init, NULL)); } static void mm_plugin_longcheer_init (MMPluginLongcheer *self) { } static void mm_plugin_longcheer_class_init (MMPluginLongcheerClass *klass) { MMPluginClass *plugin_class = MM_PLUGIN_CLASS (klass); plugin_class->create_modem = create_modem; }