diff options
| -rw-r--r-- | plugins/mm-modem-cinterion-gsm.c | 132 |
1 files changed, 131 insertions, 1 deletions
diff --git a/plugins/mm-modem-cinterion-gsm.c b/plugins/mm-modem-cinterion-gsm.c index 01ab975b..7edf1c87 100644 --- a/plugins/mm-modem-cinterion-gsm.c +++ b/plugins/mm-modem-cinterion-gsm.c @@ -39,6 +39,9 @@ typedef struct { gboolean only_geran; gboolean only_utran; gboolean both_geran_utran; + + /* Current allowed mode */ + MMModemGsmAllowedMode allowed_mode; } MMModemCinterionGsmPrivate; MMModem * @@ -249,6 +252,128 @@ get_access_technology (MMGenericGsm *gsm, } static void +get_allowed_mode (MMGenericGsm *gsm, + MMModemUIntFn callback, + gpointer user_data) +{ + MMModemCinterionGsmPrivate *priv = MM_MODEM_CINTERION_GSM_GET_PRIVATE (gsm); + MMCallbackInfo *info; + + info = mm_callback_info_uint_new (MM_MODEM (gsm), callback, user_data); + + /* We just return cached value. For 3G devices we could try to ask the + * modem for the Access technology being used, and base 3G-only or 2G-only + * replies on that, but we wouldn't be covering all possible allowed modes + * anyway. */ + mm_callback_info_set_result (info, + GUINT_TO_POINTER (priv->allowed_mode), + NULL); + mm_callback_info_schedule (info); +} + +static void +set_allowed_mode_cb (MMAtSerialPort *port, + GString *response, + GError *error, + gpointer user_data) +{ + MMCallbackInfo *info = (MMCallbackInfo *) user_data; + MMModemCinterionGsmPrivate *priv = MM_MODEM_CINTERION_GSM_GET_PRIVATE (info->modem); + + if (error) + info->error = g_error_copy (error); + else + priv->allowed_mode = GPOINTER_TO_UINT (mm_callback_info_get_data (info, "new-mode")); + + mm_callback_info_schedule (info); +} + +static void +set_allowed_mode (MMGenericGsm *gsm, + MMModemGsmAllowedMode mode, + MMModemFn callback, + gpointer user_data) +{ + MMModemCinterionGsmPrivate *priv = MM_MODEM_CINTERION_GSM_GET_PRIVATE (gsm); + MMCallbackInfo *info; + + info = mm_callback_info_new (MM_MODEM (gsm), callback, user_data); + + /* For dual 2G/3G devices... */ + if (priv->both_geran_utran) { + GString *cmd; + MMAtSerialPort *port; + + port = mm_generic_gsm_get_best_at_port (gsm, &info->error); + if (!port) { + mm_callback_info_schedule (info); + return; + } + + /* We will try to simulate the possible allowed modes here. The + * Cinterion devices do not seem to allow setting preferred access + * technology in 3G devices, but they allow restricting to a given + * one: + * - 2G-only is forced by forcing GERAN RAT (AcT=0) + * - 3G-only is forced by forcing UTRAN RAT (AcT=2) + * - for the remaining ones, we default to automatic selection of RAT, + * which is based on the quality of the connection. + */ + cmd = g_string_new ("+COPS=,,,"); + if (mode == MM_MODEM_GSM_ALLOWED_MODE_3G_ONLY) { + g_string_append (cmd, "2"); + } else if (mode == MM_MODEM_GSM_ALLOWED_MODE_2G_ONLY) { + g_string_append (cmd, "0"); + } /* else, no AcT given, defaults to Auto */ + + mm_callback_info_set_data (info, + "new-mode", + GUINT_TO_POINTER (mode), + NULL); + + mm_at_serial_port_queue_command (port, cmd->str, 3, set_allowed_mode_cb, info); + g_string_free (cmd, TRUE); + mm_callback_info_schedule (info); + return; + } + + /* For 3G-only devices, allow only 3G-related allowed modes */ + if (priv->only_utran) { + switch (mode) { + case MM_MODEM_GSM_ALLOWED_MODE_3G_PREFERRED: + case MM_MODEM_GSM_ALLOWED_MODE_3G_ONLY: + case MM_MODEM_GSM_ALLOWED_MODE_ANY: + priv->allowed_mode = mode; + break; + default: + info->error = g_error_new (MM_MODEM_ERROR, + MM_MODEM_ERROR_GENERAL, + "Cannot set desired allowed mode, " + "not a 2G device"); + break; + } + mm_callback_info_schedule (info); + return; + } + + /* For 2G devices, allow only 2G-related allowed modes */ + switch (mode) { + case MM_MODEM_GSM_ALLOWED_MODE_2G_PREFERRED: + case MM_MODEM_GSM_ALLOWED_MODE_2G_ONLY: + case MM_MODEM_GSM_ALLOWED_MODE_ANY: + priv->allowed_mode = mode; + break; + default: + info->error = g_error_new (MM_MODEM_ERROR, + MM_MODEM_ERROR_GENERAL, + "Cannot set desired allowed mode, " + "not a 3G device"); + break; + } + mm_callback_info_schedule (info); +} + +static void enable_complete (MMGenericGsm *gsm, GError *error, MMCallbackInfo *info) @@ -259,7 +384,6 @@ enable_complete (MMGenericGsm *gsm, mm_generic_gsm_enable_complete (MM_GENERIC_GSM (info->modem), error, info); } - static void get_supported_networks_cb (MMAtSerialPort *port, GString *response, @@ -348,6 +472,10 @@ mm_modem_cinterion_gsm_init (MMModemCinterionGsm *self) /* Set defaults */ priv->sind_psinfo = TRUE; /* Initially, always try to get psinfo */ + priv->allowed_mode = MM_MODEM_GSM_ALLOWED_MODE_ANY; + priv->only_geran = FALSE; + priv->only_utran = FALSE; + priv->both_geran_utran = FALSE; } static void @@ -359,6 +487,8 @@ mm_modem_cinterion_gsm_class_init (MMModemCinterionGsmClass *klass) g_type_class_add_private (object_class, sizeof (MMModemCinterionGsmPrivate)); gsm_class->do_enable_power_up_done = do_enable_power_up_done; + gsm_class->set_allowed_mode = set_allowed_mode; + gsm_class->get_allowed_mode = get_allowed_mode; gsm_class->get_access_technology = get_access_technology; } |