diff options
Diffstat (limited to 'src/plugins/longcheer/mm-plugin-longcheer.c')
| -rw-r--r-- | src/plugins/longcheer/mm-plugin-longcheer.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/src/plugins/longcheer/mm-plugin-longcheer.c b/src/plugins/longcheer/mm-plugin-longcheer.c new file mode 100644 index 00000000..31774efb --- /dev/null +++ b/src/plugins/longcheer/mm-plugin-longcheer.c @@ -0,0 +1,243 @@ +/* -*- 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 <aleksander@gnu.org> + */ + +#include <string.h> +#include <gmodule.h> + +#define _LIBMM_INSIDE_MM +#include <libmm-glib.h> + +#include "mm-log-object.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) + +MM_PLUGIN_DEFINE_MAJOR_VERSION +MM_PLUGIN_DEFINE_MINOR_VERSION + +/*****************************************************************************/ +/* 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; + const gchar *response; + + 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 **drivers, + guint16 vendor, + guint16 product, + guint16 subsystem_vendor, + GList *probes, + GError **error) +{ + return MM_BASE_MODEM (mm_broadband_modem_longcheer_new (uid, + drivers, + mm_plugin_get_name (self), + vendor, + product)); +} + +/*****************************************************************************/ + +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, 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; +} |