/* -*- 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.h" #include "mm-modem-helpers.h" #include "mm-plugin-longcheer.h" #include "mm-broadband-modem-longcheer.h" G_DEFINE_TYPE (MMPluginLongcheer, mm_plugin_longcheer, MM_TYPE_PLUGIN) int mm_plugin_major_version = MM_PLUGIN_MAJOR_VERSION; int mm_plugin_minor_version = MM_PLUGIN_MINOR_VERSION; /*****************************************************************************/ /* Custom init */ typedef struct { MMPortProbe *probe; MMAtSerialPort *port; GCancellable *cancellable; GSimpleAsyncResult *result; guint retries; } LongcheerCustomInitContext; static void longcheer_custom_init_context_complete_and_free (LongcheerCustomInitContext *ctx) { g_simple_async_result_complete_in_idle (ctx->result); if (ctx->cancellable) g_object_unref (ctx->cancellable); g_object_unref (ctx->port); g_object_unref (ctx->probe); g_object_unref (ctx->result); g_slice_free (LongcheerCustomInitContext, ctx); } static gboolean longcheer_custom_init_finish (MMPortProbe *probe, GAsyncResult *result, GError **error) { return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (result), error); } static void longcheer_custom_init_step (LongcheerCustomInitContext *ctx); static void gmr_ready (MMAtSerialPort *port, GString *response, GError *error, LongcheerCustomInitContext *ctx) { const gchar *p; if (error) { /* Just retry... */ longcheer_custom_init_step (ctx); return; } /* Note the lack of a ':' on the GMR; the X200 doesn't send one */ p = mm_strip_tag (response->str, "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_simple_async_result_set_error (ctx->result, MM_CORE_ERROR, MM_CORE_ERROR_UNSUPPORTED, "X200 cannot be supported with the Longcheer plugin"); } else { mm_dbg ("(Longcheer) device is not a X200"); g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE); } longcheer_custom_init_context_complete_and_free (ctx); } static void longcheer_custom_init_step (LongcheerCustomInitContext *ctx) { /* If cancelled, end */ if (g_cancellable_is_cancelled (ctx->cancellable)) { mm_dbg ("(Longcheer) no need to keep on running custom init in (%s)", mm_port_get_device (MM_PORT (ctx->port))); g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE); longcheer_custom_init_context_complete_and_free (ctx); 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_simple_async_result_set_error (ctx->result, MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't get device revision information"); longcheer_custom_init_context_complete_and_free (ctx); return; } ctx->retries--; mm_at_serial_port_queue_command ( ctx->port, "AT+GMR", 3, FALSE, /* raw */ ctx->cancellable, (MMAtSerialResponseFn)gmr_ready, ctx); } static void longcheer_custom_init (MMPortProbe *probe, MMAtSerialPort *port, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data) { MMDevice *device; LongcheerCustomInitContext *ctx; ctx = g_slice_new (LongcheerCustomInitContext); ctx->result = g_simple_async_result_new (G_OBJECT (probe), callback, user_data, longcheer_custom_init); ctx->probe = g_object_ref (probe); ctx->port = g_object_ref (port); ctx->cancellable = cancellable ? g_object_ref (cancellable) : NULL; ctx->retries = 3; /* 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_simple_async_result_set_op_res_gboolean (ctx->result, TRUE); longcheer_custom_init_context_complete_and_free (ctx); return; } longcheer_custom_init_step (ctx); } /*****************************************************************************/ 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_longcheer_new (sysfs_path, drivers, mm_plugin_get_name (self), vendor, product)); } static gboolean grab_port (MMPlugin *self, MMBaseModem *modem, MMPortProbe *probe, GError **error) { GUdevDevice *port; MMPortType ptype; MMAtPortFlag pflags = MM_AT_PORT_FLAG_NONE; port = mm_port_probe_peek_port (probe); ptype = mm_port_probe_get_port_type (probe); /* Look for port type hints; just probing can't distinguish which port should * be the data/primary port on these devices. We have to tag them based on * what the Windows .INF files say the port layout should be. */ if (g_udev_device_get_property_as_boolean (port, "ID_MM_LONGCHEER_PORT_TYPE_MODEM")) { mm_dbg ("longcheer: AT port '%s/%s' flagged as primary", mm_port_probe_get_port_subsys (probe), mm_port_probe_get_port_name (probe)); pflags = MM_AT_PORT_FLAG_PRIMARY; } else if (g_udev_device_get_property_as_boolean (port, "ID_MM_LONGCHEER_PORT_TYPE_AUX")) { mm_dbg ("longcheer: AT port '%s/%s' flagged as secondary", mm_port_probe_get_port_subsys (probe), mm_port_probe_get_port_name (probe)); pflags = MM_AT_PORT_FLAG_SECONDARY; } else { /* If the port was tagged by the udev rules but isn't a primary or secondary, * then ignore it to guard against race conditions if a device just happens * to show up with more than two AT-capable ports. */ ptype = MM_PORT_TYPE_IGNORED; } return mm_base_modem_grab_port (modem, mm_port_probe_get_port_subsys (probe), mm_port_probe_get_port_name (probe), ptype, pflags, error); } /*****************************************************************************/ G_MODULE_EXPORT MMPlugin * mm_plugin_create (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, "Longcheer", 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; plugin_class->grab_port = grab_port; }