Files
ModemManager/plugins/mm-plugin-sierra.c
Dan Williams ed5aefb3cb serial: allow plugins to specify probe-time send_delay
Let modems we know don't suck use a zero send-delay at probe time,
which greatly reduces time required to probe AT-compatible ports.
2011-04-08 16:19:36 -05:00

219 lines
7.5 KiB
C

/* -*- 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 Red Hat, Inc.
*/
#include <string.h>
#include <gmodule.h>
#include "mm-plugin-sierra.h"
#include "mm-modem-sierra-gsm.h"
#include "mm-modem-sierra-cdma.h"
G_DEFINE_TYPE (MMPluginSierra, mm_plugin_sierra, 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_SIERRA,
MM_PLUGIN_BASE_NAME, "Sierra",
NULL));
}
/*****************************************************************************/
#define TAG_SIERRA_SECONDARY_PORT "sierra-secondary-port"
#define CAP_CDMA (MM_PLUGIN_BASE_PORT_CAP_IS707_A | \
MM_PLUGIN_BASE_PORT_CAP_IS707_P | \
MM_PLUGIN_BASE_PORT_CAP_IS856 | \
MM_PLUGIN_BASE_PORT_CAP_IS856_A)
static guint32
get_level_for_capabilities (guint32 capabilities)
{
if (capabilities & MM_PLUGIN_BASE_PORT_CAP_GSM)
return 10;
if (capabilities & CAP_CDMA)
return 10;
return 0;
}
static void
handle_probe_response (MMPluginBase *self,
MMPluginBaseSupportsTask *task,
const char *cmd,
const char *response,
const GError *error)
{
if (error || !response || strcmp (cmd, "I")) {
MM_PLUGIN_BASE_CLASS (mm_plugin_sierra_parent_class)->handle_probe_response (self, task, cmd, response, error);
return;
}
if (strstr (response, "APP1") || strstr (response, "APP2") || strstr (response, "APP3")) {
g_object_set_data (G_OBJECT (task), TAG_SIERRA_SECONDARY_PORT, GUINT_TO_POINTER (TRUE));
mm_plugin_base_supports_task_complete (task, 10);
return;
}
/* Not an app port, let the superclass handle the response */
MM_PLUGIN_BASE_CLASS (mm_plugin_sierra_parent_class)->handle_probe_response (self, task, cmd, response, error);
}
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)
{
GUdevDevice *port;
guint32 cached = 0, level;
const char *driver, *subsys;
/* Can't do anything with non-serial ports */
port = mm_plugin_base_supports_task_get_port (task);
if (!port)
return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
driver = mm_plugin_base_supports_task_get_driver (task);
if (!driver || (strcmp (driver, "sierra") && strcmp (driver, "sierra_net")))
return MM_PLUGIN_SUPPORTS_PORT_UNSUPPORTED;
subsys = g_udev_device_get_subsystem (port);
g_assert (subsys);
if (!strcmp (subsys, "net")) {
/* Can't grab the net port until we know whether this is a CDMA or GSM device */
if (!existing)
return MM_PLUGIN_SUPPORTS_PORT_DEFER;
mm_plugin_base_supports_task_complete (task, 10);
return MM_PLUGIN_SUPPORTS_PORT_IN_PROGRESS;
}
if (mm_plugin_base_get_cached_port_capabilities (base, port, &cached)) {
level = get_level_for_capabilities (cached);
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, 100000, 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;
MMPortType ptype = MM_PORT_TYPE_UNKNOWN;
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);
/* Is it a GSM secondary port? */
if (g_object_get_data (G_OBJECT (task), TAG_SIERRA_SECONDARY_PORT))
ptype = MM_PORT_TYPE_SECONDARY;
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;
}
caps = mm_plugin_base_supports_task_get_probed_capabilities (task);
sysfs_path = mm_plugin_base_supports_task_get_physdev_path (task);
if (!existing) {
if ((caps & MM_PLUGIN_BASE_PORT_CAP_GSM) || (ptype != MM_PORT_TYPE_UNKNOWN)) {
modem = mm_modem_sierra_gsm_new (sysfs_path,
mm_plugin_base_supports_task_get_driver (task),
mm_plugin_get_name (MM_PLUGIN (base)),
vendor,
product);
} else if (caps & CAP_CDMA) {
modem = mm_modem_sierra_cdma_new (sysfs_path,
mm_plugin_base_supports_task_get_driver (task),
mm_plugin_get_name (MM_PLUGIN (base)),
!!(caps & MM_PLUGIN_BASE_PORT_CAP_IS856),
!!(caps & MM_PLUGIN_BASE_PORT_CAP_IS856_A),
vendor,
product);
}
if (modem) {
if (!mm_modem_grab_port (modem, subsys, name, ptype, NULL, error)) {
g_object_unref (modem);
return NULL;
}
}
} else if ( get_level_for_capabilities (caps)
|| (ptype != MM_PORT_TYPE_UNKNOWN)
|| (strcmp (subsys, "net") == 0)) {
/* FIXME: we don't yet know how to activate IP on CDMA devices using
* pseudo-ethernet ports.
*/
if (strcmp (subsys, "net") == 0 && MM_IS_MODEM_SIERRA_CDMA (modem))
return modem;
modem = existing;
if (!mm_modem_grab_port (modem, subsys, name, ptype, NULL, error))
return NULL;
}
return modem;
}
/*****************************************************************************/
static void
mm_plugin_sierra_init (MMPluginSierra *self)
{
g_signal_connect (self, "probe-result", G_CALLBACK (probe_result), NULL);
}
static void
mm_plugin_sierra_class_init (MMPluginSierraClass *klass)
{
MMPluginBaseClass *pb_class = MM_PLUGIN_BASE_CLASS (klass);
pb_class->supports_port = supports_port;
pb_class->grab_port = grab_port;
pb_class->handle_probe_response = handle_probe_response;
}