diff options
Diffstat (limited to 'plugins/mm-plugin-huawei.c')
| -rw-r--r-- | plugins/mm-plugin-huawei.c | 371 |
1 files changed, 257 insertions, 114 deletions
diff --git a/plugins/mm-plugin-huawei.c b/plugins/mm-plugin-huawei.c index 206fa7b5..46b10534 100644 --- a/plugins/mm-plugin-huawei.c +++ b/plugins/mm-plugin-huawei.c @@ -1,18 +1,44 @@ /* -*- 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> + +#define G_UDEV_API_IS_SUBJECT_TO_CHANGE +#include <gudev/gudev.h> + #include "mm-plugin-huawei.h" +#include "mm-generic-gsm.h" #include "mm-modem-huawei.h" static void plugin_init (MMPlugin *plugin_class); -G_DEFINE_TYPE_EXTENDED (MMPluginHuawei, mm_plugin_huawei, G_TYPE_OBJECT, +G_DEFINE_TYPE_EXTENDED (MMPluginHuawei, mm_plugin_huawei, MM_TYPE_PLUGIN_BASE, 0, G_IMPLEMENT_INTERFACE (MM_TYPE_PLUGIN, plugin_init)) int mm_plugin_major_version = MM_PLUGIN_MAJOR_VERSION; int mm_plugin_minor_version = MM_PLUGIN_MINOR_VERSION; +#define MM_PLUGIN_HUAWEI_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), MM_TYPE_PLUGIN_HUAWEI, MMPluginHuaweiPrivate)) + +typedef struct { + GUdevClient *client; +} MMPluginHuaweiPrivate; + + G_MODULE_EXPORT MMPlugin * mm_plugin_create (void) { @@ -21,107 +47,180 @@ mm_plugin_create (void) /*****************************************************************************/ -static const char * -get_name (MMPlugin *plugin) +/* From hostap, Copyright (c) 2002-2005, Jouni Malinen <jkmaline@cc.hut.fi> */ + +static int hex2num (char c) { - return "Huawei"; + if (c >= '0' && c <= '9') + return c - '0'; + if (c >= 'a' && c <= 'f') + return c - 'a' + 10; + if (c >= 'A' && c <= 'F') + return c - 'A' + 10; + return -1; } -static char ** -list_supported_udis (MMPlugin *plugin, LibHalContext *hal_ctx) +static int hex2byte (const char *hex) { - char **supported = NULL; - char **devices; - int num_devices; - int i; + int a, b; + a = hex2num(*hex++); + if (a < 0) + return -1; + b = hex2num(*hex++); + if (b < 0) + return -1; + return (a << 4) | b; +} - devices = libhal_find_device_by_capability (hal_ctx, "modem", &num_devices, NULL); - if (devices) { - GPtrArray *array; +/* End from hostap */ - array = g_ptr_array_new (); +static gboolean +get_ids (GUdevDevice *device, guint32 *vendor, guint32 *product) +{ + const char *vid, *pid; - for (i = 0; i < num_devices; i++) { - char *udi = devices[i]; + g_return_val_if_fail (device != NULL, FALSE); - if (mm_plugin_supports_udi (plugin, hal_ctx, udi)) - g_ptr_array_add (array, g_strdup (udi)); - } + vid = g_udev_device_get_property (device, "ID_VENDOR_ID"); + if (!vid || (strlen (vid) != 4)) + return FALSE; - if (array->len > 0) { - g_ptr_array_add (array, NULL); - supported = (char **) g_ptr_array_free (array, FALSE); - } else - g_ptr_array_free (array, TRUE); + if (vendor) { + *vendor = (guint32) (hex2byte (vid + 2) & 0xFF); + *vendor |= (guint32) ((hex2byte (vid) & 0xFF) << 8); } - g_strfreev (devices); + pid = g_udev_device_get_property (device, "ID_MODEL_ID"); + if (!pid || (strlen (pid) != 4)) + return FALSE; - return supported; + if (product) { + *product = (guint32) (hex2byte (pid + 2) & 0xFF); + *product |= (guint32) ((hex2byte (pid) & 0xFF) << 8); + } + + return TRUE; } -static int -get_product (LibHalContext *hal_ctx, const char *udi) +static char * +get_driver_name (GUdevDevice *device) { - char *parent_udi; - int product = 0; - - parent_udi = libhal_device_get_property_string (hal_ctx, udi, "info.parent", NULL); - if (parent_udi) { - product = libhal_device_get_property_int (hal_ctx, parent_udi, "usb.product_id", NULL); - libhal_free_string (parent_udi); + GUdevDevice *parent = NULL; + const char *driver; + char *ret; + + driver = g_udev_device_get_driver (device); + if (!driver) { + parent = g_udev_device_get_parent (device); + if (parent) + driver = g_udev_device_get_driver (parent); } - return product; + if (driver) + ret = g_strdup (driver); + if (parent) + g_object_unref (parent); + + return ret; } -static gboolean -supports_udi (MMPlugin *plugin, LibHalContext *hal_ctx, const char *udi) +static GUdevDevice * +find_physical_device (GUdevDevice *child) { - char **capabilities; - char **iter; - gboolean supported = FALSE; + GUdevDevice *iter, *old = NULL; + const char *bus, *type; - capabilities = libhal_device_get_property_strlist (hal_ctx, udi, "modem.command_sets", NULL); - for (iter = capabilities; iter && *iter && !supported; iter++) { - if (!strcmp (*iter, "GSM-07.07")) { - char *parent_udi; + g_return_val_if_fail (child != NULL, NULL); - parent_udi = libhal_device_get_property_string (hal_ctx, udi, "info.parent", NULL); - if (parent_udi) { - int vendor; - int product; + bus = g_udev_device_get_property (child, "ID_BUS"); + if (!bus) + return NULL; - vendor = libhal_device_get_property_int (hal_ctx, parent_udi, "usb.vendor_id", NULL); - product = get_product (hal_ctx, udi); + if (strcmp (bus, "usb")) + return NULL; - if (vendor == 0x12d1 && (product == 0x1001 || product == 0x1003 || product == 0x1004)) - supported = TRUE; + /* Walk the parents to find the 'usb_device' for this device. */ + iter = g_object_ref (child); + while (iter) { + type = g_udev_device_get_devtype (iter); + if (type && !strcmp (type, "usb_device")) + return iter; - libhal_free_string (parent_udi); - } - } + old = iter; + iter = g_udev_device_get_parent (old); + g_object_unref (old); } - g_strfreev (capabilities); + g_object_unref (child); - return supported; + return NULL; } -static char * -get_driver_name (LibHalContext *ctx, const char *udi) +#define PROP_GSM "ID_MM_MODEM_GSM" + +static GUdevDevice * +get_device (GUdevClient *client, + const char *subsys, + const char *name, + GUdevDevice **physdev) { - char *parent_udi; - char *driver = NULL; + GUdevDevice *device; + const char *tmp; + + /* Can't do anything with non-serial ports */ + if (strcmp (subsys, "tty")) + return NULL; + + device = g_udev_client_query_by_subsystem_and_name (client, subsys, name); + if (!device) + return NULL; + + tmp = g_udev_device_get_property (device, "ID_BUS"); + if (!tmp || strcmp (tmp, "usb")) + goto error; + + if (!g_udev_device_get_property_as_boolean (device, PROP_GSM)) + goto error; + + *physdev = find_physical_device (device); + if (*physdev) + return device; + +error: + g_object_unref (device); + return NULL; +} - parent_udi = libhal_device_get_property_string (ctx, udi, "info.parent", NULL); - if (parent_udi) { - driver = libhal_device_get_property_string (ctx, parent_udi, "info.linux.driver", NULL); - libhal_free_string (parent_udi); - } +static guint32 +supports_port (MMPlugin *plugin, + const char *subsys, + const char *name) +{ + MMPluginHuaweiPrivate *priv = MM_PLUGIN_HUAWEI_GET_PRIVATE (plugin); + GUdevDevice *device, *physdev = NULL; + guint32 level = 0; + guint32 vendor = 0, product = 0; + + device = get_device (priv->client, subsys, name, &physdev); + if (!device) + goto out; + g_object_unref (physdev); + + if (!get_ids (device, &vendor, &product)) + goto out; + + if (vendor != 0x12d1) + goto out; + + if (product == 0x1001 || product == 0x1003 || product == 0x1004) + level = 10; - return driver; +out: + if (device) + g_object_unref (device); + return level; } +#if 0 static char * find_second_port (LibHalContext *ctx, const char *parent) { @@ -142,66 +241,94 @@ find_second_port (LibHalContext *ctx, const char *parent) return second_port; } +#endif -static char * -get_monitor_device (LibHalContext *ctx, const char *udi) +static MMModem * +grab_port (MMPlugin *plugin, + const char *subsys, + const char *name, + GError **error) { - char *parent; - char *grand_parent; - char **uncles; - char *monitor_device = NULL; - int num_uncles = 0; - int i; + MMPluginHuawei *self = MM_PLUGIN_HUAWEI (plugin); + MMPluginHuaweiPrivate *priv = MM_PLUGIN_HUAWEI_GET_PRIVATE (plugin); + GUdevDevice *device = NULL, *physdev = NULL; + const char *devfile, *sysfs_path; + char *driver = NULL; + MMModem *modem = NULL; + guint32 product = 0; - parent = libhal_device_get_property_string (ctx, udi, "info.parent", NULL); - grand_parent = libhal_device_get_property_string (ctx, parent, "info.parent", NULL); + g_return_val_if_fail (subsys != NULL, NULL); + g_return_val_if_fail (name != NULL, NULL); - /* Find "uncles" */ - uncles = libhal_manager_find_device_string_match (ctx, "info.parent", grand_parent, &num_uncles, NULL); - for (i = 0; i < num_uncles && monitor_device == NULL; i++) { - const char *uncle = uncles[i]; + device = get_device (priv->client, subsys, name, &physdev); + if (!device) + goto out; - /* Ignore "dad" */ - if (strcmp (uncle, parent)) - monitor_device = find_second_port (ctx, uncle); + devfile = g_udev_device_get_device_file (device); + if (!devfile) { + g_set_error (error, 0, 0, "Could not get port's sysfs file."); + goto out; } - libhal_free_string_array (uncles); - libhal_free_string (parent); - libhal_free_string (grand_parent); - - return monitor_device; -} + driver = get_driver_name (device); + if (!driver) { + g_set_error (error, 0, 0, "Could not get port's driver name."); + goto out; + } -static MMModem * -create_modem (MMPlugin *plugin, LibHalContext *hal_ctx, const char *udi) -{ - char *data_device; - char *monitor_device; - char *driver; - MMModem *modem; + sysfs_path = g_udev_device_get_sysfs_path (physdev); + if (!devfile) { + g_set_error (error, 0, 0, "Could not get port's physical device sysfs path."); + goto out; + } - data_device = libhal_device_get_property_string (hal_ctx, udi, "serial.device", NULL); - g_return_val_if_fail (data_device != NULL, NULL); + if (!get_ids (device, NULL, &product)) { + g_set_error (error, 0, 0, "Could not get modem product ID."); + goto out; + } - driver = get_driver_name (hal_ctx, udi); - g_return_val_if_fail (driver != NULL, NULL); + modem = mm_plugin_base_find_modem (MM_PLUGIN_BASE (self), sysfs_path); + if (!modem) { + if (product == 0x1001) { + /* This modem is handled by generic GSM driver */ + modem = mm_generic_gsm_new (sysfs_path, + driver, + mm_plugin_get_name (plugin)); + } else { + modem = mm_modem_huawei_new (sysfs_path, + driver, + mm_plugin_get_name (plugin)); + } - if (get_product (hal_ctx, udi) == 0x1001) { - /* This modem is handled by generic GSM device */ - modem = mm_generic_gsm_new (data_device, driver); + if (modem) { + if (!mm_modem_grab_port (modem, subsys, name, error)) { +g_message ("%s: couldn't grab port", __func__); + g_object_unref (modem); + modem = NULL; + goto out; + } + mm_plugin_base_add_modem (MM_PLUGIN_BASE (self), modem); + } } else { - monitor_device = get_monitor_device (hal_ctx, udi); - modem = mm_modem_huawei_new (data_device, monitor_device, driver); - libhal_free_string (monitor_device); + if (!mm_modem_grab_port (modem, subsys, name, error)) + modem = NULL; } - libhal_free_string (data_device); - libhal_free_string (driver); - +out: + g_free (driver); + g_object_unref (device); + g_object_unref (physdev); +g_message ("%s: port %s / %s modem %p", __func__, subsys, name, modem); return modem; } +static const char * +get_name (MMPlugin *plugin) +{ + return "Huawei"; +} + + /*****************************************************************************/ static void @@ -209,17 +336,33 @@ plugin_init (MMPlugin *plugin_class) { /* interface implementation */ plugin_class->get_name = get_name; - plugin_class->list_supported_udis = list_supported_udis; - plugin_class->supports_udi = supports_udi; - plugin_class->create_modem = create_modem; + plugin_class->supports_port = supports_port; + plugin_class->grab_port = grab_port; } static void mm_plugin_huawei_init (MMPluginHuawei *self) { + MMPluginHuaweiPrivate *priv = MM_PLUGIN_HUAWEI_GET_PRIVATE (self); + const char *subsys[2] = { "tty", NULL }; + + priv->client = g_udev_client_new (subsys); +} + +static void +dispose (GObject *object) +{ + MMPluginHuaweiPrivate *priv = MM_PLUGIN_HUAWEI_GET_PRIVATE (object); + + g_object_unref (priv->client); } static void mm_plugin_huawei_class_init (MMPluginHuaweiClass *klass) { + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + g_type_class_add_private (object_class, sizeof (MMPluginHuaweiPrivate)); + + object_class->dispose = dispose; } |