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Diffstat (limited to 'plugins/mm-modem-icera-utils.c')
| -rw-r--r-- | plugins/mm-modem-icera-utils.c | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/plugins/mm-modem-icera-utils.c b/plugins/mm-modem-icera-utils.c new file mode 100644 index 00000000..a0293412 --- /dev/null +++ b/plugins/mm-modem-icera-utils.c @@ -0,0 +1,256 @@ +/* -*- 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 Icera-based modems + ******************************************/ + +#include "mm-callback-info.h" +#include "mm-at-serial-port.h" +#include "mm-generic-gsm.h" +#include "mm-modem-helpers.h" + +static void +icera_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, "%IPSYS: ")) { + 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 +icera_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, "%IPSYS?", 3, icera_get_allowed_mode_done, info); +} + +static void +icera_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 +icera_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 ("%%IPSYS=%d", i); + mm_at_serial_port_queue_command (port, command, 3, icera_set_allowed_mode_done, info); + g_free (command); +} + +static MMModemGsmAccessTech +nwstate_to_act (const char *str) +{ + /* small 'g' means CS, big 'G' means PS */ + if (!strcmp (str, "2G-GPRS")) + return MM_MODEM_GSM_ACCESS_TECH_GPRS; + else if (!strcmp (str, "2G-EDGE")) + return MM_MODEM_GSM_ACCESS_TECH_EDGE; + else if (!strcmp (str, "3G")) + return MM_MODEM_GSM_ACCESS_TECH_UMTS; + else if (!strcmp (str, "3G-HSDPA")) + return MM_MODEM_GSM_ACCESS_TECH_HSDPA; + else if (!strcmp (str, "3G-HSUPA")) + return MM_MODEM_GSM_ACCESS_TECH_HSUPA; + else if (!strcmp (str, "3G-HSDPA-HSUPA")) + return MM_MODEM_GSM_ACCESS_TECH_HSPA; + + return MM_MODEM_GSM_ACCESS_TECH_UNKNOWN; +} + +#define LAST_ACT_TAG "icera-last-act" + +static void +icera_nwstate_changed (MMAtSerialPort *port, + GMatchInfo *info, + gpointer user_data) +{ + MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN; + char *str; + int rssi = -1; + + str = g_match_info_fetch (info, 1); + if (str) { + rssi = atoi (str); + rssi = CLAMP (rssi, -1, 5); + g_free (str); + } + + str = g_match_info_fetch (info, 3); + if (str) { + act = nwstate_to_act (str); + g_free (str); + } + + g_object_set_data (G_OBJECT (user_data), LAST_ACT_TAG, GUINT_TO_POINTER (act)); + mm_generic_gsm_update_access_technology (MM_GENERIC_GSM (user_data), act); +} + +static void +icera_register_unsolicted_handlers (MMGenericGsm *modem, MMAtSerialPort *port) +{ + GRegex *regex; + + /* %NWSTATE: <rssi>,<mccmnc>,<tech>,<connected>,<regulation> */ + regex = g_regex_new ("\\r\\n%NWSTATE:\\s*(\\d+),(\\d+),([^,]*),([^,]*),(\\d+)\\r\\n", G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL); + mm_at_serial_port_add_unsolicited_msg_handler (port, regex, icera_nwstate_changed, modem, NULL); + g_regex_unref (regex); +} + +static void +icera_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 ? "%NWSTATE=1" : "%NWSTATE=0", 3, NULL, NULL); +} + +static void +get_nwstate_done (MMAtSerialPort *port, + GString *response, + GError *error, + gpointer user_data) +{ + MMCallbackInfo *info = user_data; + MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN; + + info->error = mm_modem_check_removed (info->modem, error); + if (!info->error) { + /* The unsolicited message handler will already have run and + * removed the NWSTATE response, so we have to work around that. + */ + act = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (info->modem), LAST_ACT_TAG)); + mm_callback_info_set_result (info, GUINT_TO_POINTER (act), NULL); + g_object_set_data (G_OBJECT (info->modem), LAST_ACT_TAG, NULL); + } + + mm_callback_info_schedule (info); +} + +static void +icera_get_access_technology (MMGenericGsm *modem, + MMModemUIntFn callback, + gpointer user_data) +{ + MMAtSerialPort *port; + MMCallbackInfo *info; + + info = mm_callback_info_uint_new (MM_MODEM (modem), callback, user_data); + + port = mm_generic_gsm_get_best_at_port (modem, &info->error); + if (!port) { + mm_callback_info_schedule (info); + return; + } + + mm_at_serial_port_queue_command (port, "%NWSTATE=1", 3, get_nwstate_done, info); +} + |