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-rw-r--r--plugins/mm-modem-option-utils.c297
1 files changed, 297 insertions, 0 deletions
diff --git a/plugins/mm-modem-option-utils.c b/plugins/mm-modem-option-utils.c
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+++ b/plugins/mm-modem-option-utils.c
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+/* -*- 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) 2010 Red Hat, Inc.
+ */
+
+/******************************************
+ * Generic utilities for Option NV modems
+ * Used with both 'option' and 'hso'
+ ******************************************/
+
+#include "mm-callback-info.h"
+#include "mm-at-serial-port.h"
+#include "mm-generic-gsm.h"
+
+static void
+option_get_allowed_mode_done (MMAtSerialPort *port,
+ GString *response,
+ GError *error,
+ gpointer user_data)
+{
+ MMCallbackInfo *info = (MMCallbackInfo *) user_data;
+ gboolean parsed = FALSE;
+
+ if (error)
+ info->error = g_error_copy (error);
+ else if (!g_str_has_prefix (response->str, "_OPSYS: ")) {
+ int a, b;
+
+ if (sscanf (response->str + 8, "%d,%d", &a, &b)) {
+ MMModemGsmAllowedMode mode = MM_MODEM_GSM_ALLOWED_MODE_ANY;
+
+ switch (a) {
+ case 0:
+ mode = MM_MODEM_GSM_ALLOWED_MODE_2G_ONLY;
+ break;
+ case 1:
+ mode = MM_MODEM_GSM_ALLOWED_MODE_3G_ONLY;
+ break;
+ case 2:
+ mode = MM_MODEM_GSM_ALLOWED_MODE_2G_PREFERRED;
+ break;
+ case 3:
+ mode = MM_MODEM_GSM_ALLOWED_MODE_3G_PREFERRED;
+ break;
+ default:
+ break;
+ }
+
+ mm_callback_info_set_result (info, GUINT_TO_POINTER (mode), NULL);
+ parsed = TRUE;
+ }
+ }
+
+ if (!error && !parsed)
+ info->error = g_error_new_literal (MM_MODEM_ERROR, MM_MODEM_ERROR_GENERAL,
+ "Could not parse allowed mode results");
+
+ mm_callback_info_schedule (info);
+}
+
+static void
+option_get_allowed_mode (MMGenericGsm *gsm,
+ MMModemUIntFn callback,
+ gpointer user_data)
+{
+ MMCallbackInfo *info;
+ MMAtSerialPort *port;
+
+ info = mm_callback_info_uint_new (MM_MODEM (gsm), callback, user_data);
+
+ port = mm_generic_gsm_get_best_at_port (gsm, &info->error);
+ if (!port) {
+ mm_callback_info_schedule (info);
+ return;
+ }
+ mm_at_serial_port_queue_command (port, "AT_OPSYS?", 3, option_get_allowed_mode_done, info);
+}
+
+static void
+option_set_allowed_mode_done (MMAtSerialPort *port,
+ GString *response,
+ GError *error,
+ gpointer user_data)
+{
+ MMCallbackInfo *info = (MMCallbackInfo *) user_data;
+
+ if (error)
+ info->error = g_error_copy (error);
+
+ mm_callback_info_schedule (info);
+}
+
+static void
+option_set_allowed_mode (MMGenericGsm *gsm,
+ MMModemGsmAllowedMode mode,
+ MMModemFn callback,
+ gpointer user_data)
+{
+ MMCallbackInfo *info;
+ MMAtSerialPort *port;
+ char *command;
+ int i;
+
+ info = mm_callback_info_new (MM_MODEM (gsm), callback, user_data);
+
+ port = mm_generic_gsm_get_best_at_port (gsm, &info->error);
+ if (!port) {
+ mm_callback_info_schedule (info);
+ return;
+ }
+
+ switch (mode) {
+ case MM_MODEM_GSM_ALLOWED_MODE_2G_ONLY:
+ i = 0;
+ break;
+ case MM_MODEM_GSM_ALLOWED_MODE_3G_ONLY:
+ i = 1;
+ break;
+ case MM_MODEM_GSM_ALLOWED_MODE_2G_PREFERRED:
+ i = 2;
+ break;
+ case MM_MODEM_GSM_ALLOWED_MODE_3G_PREFERRED:
+ i = 3;
+ break;
+ case MM_MODEM_GSM_ALLOWED_MODE_ANY:
+ default:
+ i = 5;
+ break;
+ }
+
+ command = g_strdup_printf ("AT_OPSYS=%d,2", i);
+ mm_at_serial_port_queue_command (port, command, 3, option_set_allowed_mode_done, info);
+ g_free (command);
+}
+
+static void
+option_ossys_tech_changed (MMAtSerialPort *port,
+ GMatchInfo *info,
+ gpointer user_data)
+{
+ MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
+ char *str;
+
+ str = g_match_info_fetch (info, 1);
+ if (str) {
+ switch (atoi (str)) {
+ case 0:
+ act = MM_MODEM_GSM_ACCESS_TECH_GPRS;
+ break;
+ case 2:
+ act = MM_MODEM_GSM_ACCESS_TECH_UMTS;
+ break;
+ default:
+ /* _OSSYSI only indicates general 2G/3G mode */
+ break;
+ }
+ }
+ g_free (str);
+
+ mm_generic_gsm_update_access_technology (MM_GENERIC_GSM (user_data), act);
+}
+
+static void
+option_2g_tech_changed (MMAtSerialPort *port,
+ GMatchInfo *match_info,
+ gpointer user_data)
+{
+ MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
+ char *str;
+
+ str = g_match_info_fetch (match_info, 1);
+ switch (atoi (str)) {
+ case 1:
+ act = MM_MODEM_GSM_ACCESS_TECH_GSM;
+ break;
+ case 2:
+ act = MM_MODEM_GSM_ACCESS_TECH_GPRS;
+ break;
+ case 3:
+ act = MM_MODEM_GSM_ACCESS_TECH_EDGE;
+ break;
+ default:
+ break;
+ }
+ g_free (str);
+
+ /* At the moment we can't do much with this since it's not consistently
+ * reported by the modem. _OSSYSI appears to always be reported, but
+ * doesn't provide the granularity that _OCTI and _OWCTI do, and so it
+ * would overwrite any _OCTI or _OWCTI response, and cause the access tech
+ * to flip-flop often.
+ */
+}
+
+static void
+option_3g_tech_changed (MMAtSerialPort *port,
+ GMatchInfo *match_info,
+ gpointer user_data)
+{
+ MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN;
+ char *str;
+
+ str = g_match_info_fetch (match_info, 1);
+ switch (atoi (str)) {
+ case 1:
+ act = MM_MODEM_GSM_ACCESS_TECH_UMTS;
+ break;
+ case 2:
+ act = MM_MODEM_GSM_ACCESS_TECH_HSDPA;
+ break;
+ case 3:
+ act = MM_MODEM_GSM_ACCESS_TECH_HSUPA;
+ break;
+ case 4:
+ act = MM_MODEM_GSM_ACCESS_TECH_HSPA;
+ break;
+ default:
+ break;
+ }
+ g_free (str);
+
+ /* At the moment we can't do much with this since it's not consistently
+ * reported by the modem. _OSSYSI appears to always be reported, but
+ * doesn't provide the granularity that _OCTI and _OWCTI do, and so it
+ * would overwrite any _OCTI or _OWCTI response, and cause the access tech
+ * to flip-flop often.
+ */
+}
+
+static void
+option_signal_changed (MMAtSerialPort *port,
+ GMatchInfo *match_info,
+ gpointer user_data)
+{
+ char *str;
+ int quality = 0;
+
+ str = g_match_info_fetch (match_info, 1);
+ quality = atoi (str);
+ g_free (str);
+
+ if (quality == 99) {
+ /* 99 means unknown */
+ quality = 0;
+ } else {
+ /* Normalize the quality */
+ quality = CLAMP (quality, 0, 31) * 100 / 31;
+ }
+
+ mm_generic_gsm_update_signal_quality (MM_GENERIC_GSM (user_data), (guint32) quality);
+}
+
+static void
+option_register_unsolicted_handlers (MMGenericGsm *modem, MMAtSerialPort *port)
+{
+ GRegex *regex;
+
+ regex = g_regex_new ("\\r\\n_OSSYSI:\\s*(\\d+)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+ mm_at_serial_port_add_unsolicited_msg_handler (port, regex, option_ossys_tech_changed, modem, NULL);
+ g_regex_unref (regex);
+
+ regex = g_regex_new ("\\r\\n_OCTI:\\s*(\\d+)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+ mm_at_serial_port_add_unsolicited_msg_handler (port, regex, option_2g_tech_changed, modem, NULL);
+ g_regex_unref (regex);
+
+ regex = g_regex_new ("\\r\\n_OWCTI:\\s*(\\d+)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+ mm_at_serial_port_add_unsolicited_msg_handler (port, regex, option_3g_tech_changed, modem, NULL);
+ g_regex_unref (regex);
+
+ regex = g_regex_new ("\\r\\n_OSIGQ:\\s*(\\d+),(\\d)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
+ mm_at_serial_port_add_unsolicited_msg_handler (port, regex, option_signal_changed, modem, NULL);
+ g_regex_unref (regex);
+}
+
+static void
+option_change_unsolicited_messages (MMGenericGsm *modem, gboolean enabled)
+{
+ MMAtSerialPort *primary;
+
+ primary = mm_generic_gsm_get_at_port (modem, MM_PORT_TYPE_PRIMARY);
+ g_assert (primary);
+
+ mm_at_serial_port_queue_command (primary, enabled ? "_OSSYS=1" : "_OSSYS=0", 3, NULL, NULL);
+ mm_at_serial_port_queue_command (primary, enabled ? "_OCTI=1" : "_OCTI=0", 3, NULL, NULL);
+ mm_at_serial_port_queue_command (primary, enabled ? "_OSQI=1" : "_OSQI=0", 3, NULL, NULL);
+}
+
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