| /* -*- 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.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 { |
| MMPortProbe *probe; |
| MMPortSerialAt *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 (MMPortSerialAt *port, |
| GAsyncResult *res, |
| LongcheerCustomInitContext *ctx) |
| { |
| const gchar *p; |
| const gchar *response; |
| GError *error = NULL; |
| |
| response = mm_port_serial_at_command_finish (port, res, &error); |
| if (error) { |
| /* Just retry... */ |
| longcheer_custom_init_step (ctx); |
| goto out; |
| } |
| |
| /* 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_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); |
| |
| out: |
| if (error) |
| g_error_free (error); |
| } |
| |
| 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_port_serial_at_command ( |
| ctx->port, |
| "AT+GMR", |
| 3, |
| FALSE, /* raw */ |
| FALSE, /* allow_cached */ |
| ctx->cancellable, |
| (GAsyncReadyCallback)gmr_ready, |
| ctx); |
| } |
| |
| static void |
| longcheer_custom_init (MMPortProbe *probe, |
| MMPortSerialAt *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; |
| MMPortSerialAtFlag pflags = MM_PORT_SERIAL_AT_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_PORT_SERIAL_AT_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_PORT_SERIAL_AT_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), |
| mm_port_probe_get_parent_path (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; |
| } |