diff options
Diffstat (limited to 'plugins/mm-modem-wavecom-gsm.c')
-rw-r--r-- | plugins/mm-modem-wavecom-gsm.c | 1099 |
1 files changed, 1099 insertions, 0 deletions
diff --git a/plugins/mm-modem-wavecom-gsm.c b/plugins/mm-modem-wavecom-gsm.c new file mode 100644 index 0000000..3c8a49b --- /dev/null +++ b/plugins/mm-modem-wavecom-gsm.c @@ -0,0 +1,1099 @@ +/* -*- 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) 2011 Ammonit Gesellschaft für Messtechnik mbH + */ + +#include <config.h> + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +#include "mm-errors.h" +#include "mm-modem-helpers.h" +#include "mm-modem-wavecom-gsm.h" +#include "mm-serial-parsers.h" +#include "mm-log.h" + +static void modem_init (MMModem *modem_class); +static void modem_gsm_network_init (MMModemGsmNetwork *gsm_network_class); + +G_DEFINE_TYPE_EXTENDED (MMModemWavecomGsm, mm_modem_wavecom_gsm, MM_TYPE_GENERIC_GSM, 0, + G_IMPLEMENT_INTERFACE (MM_TYPE_MODEM, modem_init) + G_IMPLEMENT_INTERFACE (MM_TYPE_MODEM_GSM_NETWORK, modem_gsm_network_init)) + +/* Bit flags for mobile station classes supported by the modem */ +typedef enum { + WAVECOM_MS_CLASS_UNKNOWN = 0, + /* Class C in circuit switched only mode, CS */ + WAVECOM_MS_CLASS_CC = 1 << 0, + /* Class C in GPRS only mode, PS */ + WAVECOM_MS_CLASS_CG = 1 << 1, + /* Class B (either CS or PS, not both at the same time) + * This should be the default for GSM/GPRS modems */ + WAVECOM_MS_CLASS_B = 1 << 2, + /* Class A in 3G only mode */ + WAVECOM_MS_CLASS_A = 1 << 3 +} WavecomMSClass; + +#define WAVECOM_MS_CLASS_CC_IDSTR "\"CC\"" +#define WAVECOM_MS_CLASS_CG_IDSTR "\"CG\"" +#define WAVECOM_MS_CLASS_B_IDSTR "\"B\"" +#define WAVECOM_MS_CLASS_A_IDSTR "\"A\"" + +/* Mask of all supported 2G bands */ +#define ALL_2G_BANDS \ + (MM_MODEM_GSM_BAND_EGSM | \ + MM_MODEM_GSM_BAND_DCS | \ + MM_MODEM_GSM_BAND_PCS | \ + MM_MODEM_GSM_BAND_G850) + +/* Mask of all supported 3G bands */ +#define ALL_3G_BANDS \ + (MM_MODEM_GSM_BAND_U2100 | \ + MM_MODEM_GSM_BAND_U1800 | \ + MM_MODEM_GSM_BAND_U17IV | \ + MM_MODEM_GSM_BAND_U800 | \ + MM_MODEM_GSM_BAND_U850 | \ + MM_MODEM_GSM_BAND_U900 | \ + MM_MODEM_GSM_BAND_U17IX | \ + MM_MODEM_GSM_BAND_U1900 | \ + MM_MODEM_GSM_BAND_U2600) + +#define MM_MODEM_WAVECOM_GSM_GET_PRIVATE(o) \ + (G_TYPE_INSTANCE_GET_PRIVATE ((o), MM_TYPE_MODEM_WAVECOM_GSM, MMModemWavecomGsmPrivate)) + +typedef struct { + /* Bitmask for supported MS classes */ + guint8 supported_ms_classes; + /* Current MS class */ + WavecomMSClass current_ms_class; + /* Current allowed mode, only for 3G devices */ + MMModemGsmAllowedMode allowed_mode; + /* Bitmask for currently active bands */ + guint32 current_bands; +} MMModemWavecomGsmPrivate; + +/* Setup relationship between 2G bands in the modem (identified by a + * single digit in ASCII) and the bitmask in ModemManager. */ +typedef struct { + gchar wavecom_band; + guint32 mm_band_mask; +} WavecomBand2G; +static const WavecomBand2G bands_2g[] = { + { '0', MM_MODEM_GSM_BAND_G850 }, + { '1', MM_MODEM_GSM_BAND_EGSM }, + { '2', MM_MODEM_GSM_BAND_DCS }, + { '3', MM_MODEM_GSM_BAND_PCS }, + { '4', (MM_MODEM_GSM_BAND_G850 | MM_MODEM_GSM_BAND_PCS) }, + { '5', (MM_MODEM_GSM_BAND_EGSM | MM_MODEM_GSM_BAND_DCS) }, + { '6', (MM_MODEM_GSM_BAND_EGSM | MM_MODEM_GSM_BAND_PCS) }, + { '7', ALL_2G_BANDS } +}; + +/* Setup relationship between the 3G band bitmask in the modem and the bitmask + * in ModemManager. */ +typedef struct { + guint32 wavecom_band_flag; + guint32 mm_band_flag; +} WavecomBand3G; +static const WavecomBand3G bands_3g[] = { + { (1 << 0), MM_MODEM_GSM_BAND_U2100 }, + { (1 << 1), MM_MODEM_GSM_BAND_U1900 }, + { (1 << 2), MM_MODEM_GSM_BAND_U1800 }, + { (1 << 3), MM_MODEM_GSM_BAND_U17IV }, + { (1 << 4), MM_MODEM_GSM_BAND_U850 }, + { (1 << 5), MM_MODEM_GSM_BAND_U800 }, + { (1 << 6), MM_MODEM_GSM_BAND_U2600 }, + { (1 << 7), MM_MODEM_GSM_BAND_U900 }, + { (1 << 8), MM_MODEM_GSM_BAND_U17IX } +}; + +MMModem * +mm_modem_wavecom_gsm_new (const char *device, + const char *driver, + const char *plugin, + guint32 vendor, + guint32 product) +{ + g_return_val_if_fail (device != NULL, NULL); + g_return_val_if_fail (driver != NULL, NULL); + g_return_val_if_fail (plugin != NULL, NULL); + + return MM_MODEM (g_object_new (MM_TYPE_MODEM_WAVECOM_GSM, + MM_MODEM_MASTER_DEVICE, device, + MM_MODEM_DRIVER, driver, + MM_MODEM_PLUGIN, plugin, + MM_MODEM_HW_VID, vendor, + MM_MODEM_HW_PID, product, + NULL)); +} + +static const gchar * +wavecom_ms_class_to_str (WavecomMSClass class) +{ + switch (class) { + case WAVECOM_MS_CLASS_CC: + return WAVECOM_MS_CLASS_CC_IDSTR; + case WAVECOM_MS_CLASS_CG: + return WAVECOM_MS_CLASS_CG_IDSTR; + case WAVECOM_MS_CLASS_B: + return WAVECOM_MS_CLASS_B_IDSTR; + case WAVECOM_MS_CLASS_A: + return WAVECOM_MS_CLASS_A_IDSTR; + default: + g_warn_if_reached (); + return NULL; + } +} + +static gboolean +grab_port (MMModem *modem, + const char *subsys, + const char *name, + MMPortType suggested_type, + gpointer user_data, + GError **error) +{ + MMGenericGsm *gsm = MM_GENERIC_GSM (modem); + MMPortType ptype = MM_PORT_TYPE_IGNORED; + MMPort *port = NULL; + + if (suggested_type == MM_PORT_TYPE_UNKNOWN) { + if (!mm_generic_gsm_get_at_port (gsm, MM_PORT_TYPE_PRIMARY)) + ptype = MM_PORT_TYPE_PRIMARY; + else if (!mm_generic_gsm_get_at_port (gsm, MM_PORT_TYPE_SECONDARY)) + ptype = MM_PORT_TYPE_SECONDARY; + } else + ptype = suggested_type; + + port = mm_generic_gsm_grab_port (gsm, subsys, name, ptype, error); + if (port && MM_IS_AT_SERIAL_PORT (port)) { + gpointer parser; + GRegex *regex; + + parser = mm_serial_parser_v1_new (); + + /* AT+CPIN? replies will never have an OK appended */ + regex = g_regex_new ("\\r\\n\\+CPIN: .*\\r\\n", + G_REGEX_RAW | G_REGEX_OPTIMIZE, + 0, NULL); + mm_serial_parser_v1_set_custom_regex (parser, regex, NULL); + g_regex_unref (regex); + + mm_at_serial_port_set_response_parser (MM_AT_SERIAL_PORT (port), + mm_serial_parser_v1_parse, + parser, + mm_serial_parser_v1_destroy); + } + + return !!port; +} + +static void +set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + /* Do nothing... see set_property() in parent, which also does nothing */ +} + +static void +get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + switch (prop_id) { + case MM_GENERIC_GSM_PROP_POWER_UP_CMD: + /* Wavecom doesn't like CFUN=1, it will reset the whole software stack, + * including the USB connection and therefore connection would get + * closed */ + g_value_set_string (value, ""); + break; + case MM_GENERIC_GSM_PROP_FLOW_CONTROL_CMD: + /* Wavecom doesn't have XOFF/XON flow control, so we enable RTS/CTS */ + g_value_set_string (value, "+IFC=2,2"); + break; + default: + break; + } +} + +static void +set_band_done (MMAtSerialPort *port, + GString *response, + GError *error, + gpointer user_data) +{ + MMCallbackInfo *info = (MMCallbackInfo *) user_data; + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem); + + if (error) + info->error = g_error_copy (error); + else + priv->current_bands = GPOINTER_TO_UINT (mm_callback_info_get_data (info, "new-band")); + + mm_callback_info_schedule (info); +} + +static void +set_2g_band (MMModemGsmNetwork *self, + MMModemGsmBand band, + MMAtSerialPort *port, + MMCallbackInfo *info) +{ + gchar wavecom_band; + gchar *cmd; + guint i; + + /* Ensure we don't get 3G bands when trying to configure 2G bands */ + if (band & ALL_3G_BANDS) { + info->error = g_error_new (MM_MODEM_ERROR, + MM_MODEM_ERROR_GENERAL, + "Not allowed to set 3G bands in 2G mode"); + mm_callback_info_schedule (info); + return; + } + + /* If we get ANY, reset to all-2G bands to get the proper value */ + if (band == MM_MODEM_GSM_BAND_ANY) + band = ALL_2G_BANDS; + + /* Loop looking for allowed masks */ + wavecom_band = '\0'; + for (i = 0; i < G_N_ELEMENTS (bands_2g); i++) { + if (bands_2g[i].mm_band_mask == band) { + wavecom_band = bands_2g[i].wavecom_band; + break; + } + } + + /* If we didn't find a match, set an error */ + if (wavecom_band == '\0') { + info->error = g_error_new (MM_MODEM_ERROR, + MM_MODEM_ERROR_GENERAL, + "Wrong 2G band mask: '%u'", band); + mm_callback_info_schedule (info); + return; + } + + mm_callback_info_set_data (info, + "new-band", + GUINT_TO_POINTER ((guint)band), + NULL); + + cmd = g_strdup_printf ("+WMBS=%c,1", wavecom_band); + mm_at_serial_port_queue_command (port, cmd, 3, set_band_done, info); + g_free (cmd); +} + +static void +set_3g_band (MMModemGsmNetwork *self, + MMModemGsmBand band, + MMAtSerialPort *port, + MMCallbackInfo *info) +{ + guint wavecom_band; + gchar *cmd; + guint i; + + /* Ensure we don't get 2G bands when trying to configure 2G bands */ + if (band & ALL_2G_BANDS) { + info->error = g_error_new (MM_MODEM_ERROR, + MM_MODEM_ERROR_GENERAL, + "Not allowed to set 2G bands in 3G mode"); + mm_callback_info_schedule (info); + return; + } + + /* If we get ANY, reset to all-3G bands to get the proper value */ + if (band == MM_MODEM_GSM_BAND_ANY) + band = ALL_3G_BANDS; + + /* Loop looking for allowed masks */ + wavecom_band = 0; + for (i = 0; i < G_N_ELEMENTS (bands_3g); i++) { + if (bands_3g[i].mm_band_flag & band) { + wavecom_band |= bands_3g[i].wavecom_band_flag; + } + } + + /* If we didn't find a match, set an error */ + if (wavecom_band == 0) { + info->error = g_error_new (MM_MODEM_ERROR, + MM_MODEM_ERROR_GENERAL, + "Wrong 3G band mask: '%u'", band); + mm_callback_info_schedule (info); + return; + } + + mm_callback_info_set_data (info, + "new-band", + GUINT_TO_POINTER ((guint)band), + NULL); + + cmd = g_strdup_printf ("+WMBS=\"%u\",1", wavecom_band); + mm_at_serial_port_queue_command (port, cmd, 3, set_band_done, info); + g_free (cmd); +} + +static void +set_band (MMModemGsmNetwork *self, + MMModemGsmBand band, + MMModemFn callback, + gpointer user_data) +{ + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (self); + MMAtSerialPort *port; + MMCallbackInfo *info; + + info = mm_callback_info_new (MM_MODEM (self), callback, user_data); + + /* Are we trying to change the band to the same bands currently + * being used? if so, we're done */ + if (priv->current_bands == band) { + mm_callback_info_schedule (info); + return; + } + + /* Otherwise ask the modem */ + port = mm_generic_gsm_get_best_at_port (MM_GENERIC_GSM (self), &info->error); + if (!port) { + mm_callback_info_schedule (info); + return; + } + + if (priv->current_ms_class != WAVECOM_MS_CLASS_A) + set_2g_band (self, band, port, info); + else + set_3g_band (self, band, port, info); +} + +static void +get_2g_band_done (MMAtSerialPort *port, + GString *response, + GError *error, + gpointer user_data) +{ + MMCallbackInfo *info = (MMCallbackInfo *) user_data; + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem); + + if (error) + info->error = g_error_copy (error); + else { + const gchar *p; + guint32 mm_band = MM_MODEM_GSM_BAND_UNKNOWN; + + p = mm_strip_tag (response->str, "+WMBS:"); + if (p) { + guint i; + + for (i = 0; i < G_N_ELEMENTS (bands_2g); i++) { + if (bands_2g[i].wavecom_band == *p) { + mm_band = bands_2g[i].mm_band_mask; + break; + } + } + } + + if (mm_band == MM_MODEM_GSM_BAND_UNKNOWN) { + g_set_error (&info->error, + MM_MODEM_ERROR, + MM_MODEM_ERROR_GENERAL, + "Couldn't get 2G bands"); + } else { + priv->current_bands = mm_band; + mm_callback_info_set_result (info, GUINT_TO_POINTER (mm_band), NULL); + } + } + + mm_callback_info_schedule (info); +} + +static void +get_3g_band_done (MMAtSerialPort *port, + GString *response, + GError *error, + gpointer user_data) +{ + MMCallbackInfo *info = (MMCallbackInfo *) user_data; + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem); + + if (error) + info->error = g_error_copy (error); + else { + const gchar *p; + guint mm_band = MM_MODEM_GSM_BAND_UNKNOWN; + guint32 wavecom_band; + + /* Example reply: + * AT+WUBS? --> + * <-- +WUBS: "3",1 + * <-- OK + * The "3" meaning here Band I and II are selected. + */ + + p = mm_strip_tag (response->str, "+WUBS:"); + if (*p == '"') + p++; + wavecom_band = atoi (p); + + if (wavecom_band > 0) { + guint i; + + for (i = 0; i < G_N_ELEMENTS (bands_3g); i++) { + if (bands_3g[i].wavecom_band_flag & wavecom_band) { + mm_band |= bands_3g[i].mm_band_flag; + } + } + } + + if (mm_band == MM_MODEM_GSM_BAND_UNKNOWN) { + g_set_error (&info->error, + MM_MODEM_ERROR, + MM_MODEM_ERROR_GENERAL, + "Couldn't get 3G bands"); + } else { + priv->current_bands = mm_band; + mm_callback_info_set_result (info, GUINT_TO_POINTER (mm_band), NULL); + } + } + + mm_callback_info_schedule (info); +} + +static void +get_band (MMModemGsmNetwork *self, + MMModemUIntFn callback, + gpointer user_data) +{ + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (self); + MMAtSerialPort *port; + MMCallbackInfo *info; + + info = mm_callback_info_uint_new (MM_MODEM (self), callback, user_data); + + /* If results are already cached, return them */ + if (priv->current_bands > 0) { + mm_callback_info_set_result (info, GUINT_TO_POINTER (priv->current_bands), NULL); + mm_callback_info_schedule (info); + return; + } + + /* Otherwise ask the modem */ + port = mm_generic_gsm_get_best_at_port (MM_GENERIC_GSM (self), &info->error); + if (!port) { + mm_callback_info_schedule (info); + return; + } + + if (priv->current_ms_class != WAVECOM_MS_CLASS_A) + mm_at_serial_port_queue_command (port, "AT+WMBS?", 3, get_2g_band_done, info); + else + mm_at_serial_port_queue_command (port, "AT+WUBS?", 3, get_3g_band_done, info); +} + +static void +get_access_technology_cb (MMAtSerialPort *port, + GString *response, + GError *error, + gpointer user_data) +{ + MMCallbackInfo *info = user_data; + MMModemGsmAccessTech act = MM_MODEM_GSM_ACCESS_TECH_UNKNOWN; + const gchar *p; + + if (error) + info->error = g_error_copy (error); + else { + p = mm_strip_tag (response->str, "+WGPRSIND:"); + if (!p) { + g_set_error (&info->error, + MM_MODEM_ERROR, + MM_MODEM_ERROR_GENERAL, + "Couldn't get network capabilities"); + } else { + switch (*p) { + case '1': + /* GPRS only */ + act = MM_MODEM_GSM_ACCESS_TECH_GPRS; + break; + case '2': + /* EGPRS/EDGE supported */ + act = MM_MODEM_GSM_ACCESS_TECH_EDGE; + break; + case '3': + /* 3G R99 supported */ + act = MM_MODEM_GSM_ACCESS_TECH_UMTS; + break; + case '4': + /* HSDPA supported */ + act = MM_MODEM_GSM_ACCESS_TECH_HSDPA; + break; + case '5': + /* HSUPA supported */ + act = MM_MODEM_GSM_ACCESS_TECH_HSUPA; + break; + default: + break; + } + } + } + + mm_callback_info_set_result (info, GUINT_TO_POINTER (act), NULL); + mm_callback_info_schedule (info); +} + +static void +get_access_technology (MMGenericGsm *gsm, + MMModemUIntFn callback, + gpointer user_data) +{ + MMAtSerialPort *port; + MMCallbackInfo *info; + + 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, "+WGPRS=9,2", 3, get_access_technology_cb, info); +} + +static void +get_allowed_mode_cb (MMAtSerialPort *port, + GString *response, + GError *error, + gpointer user_data) +{ + MMCallbackInfo *info = user_data; + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem); + gint read_mode = -1; + gchar *mode_str = NULL; + gchar *prefer_str = NULL; + GRegex *r = NULL; + GMatchInfo *match_info = NULL; + + if (error) { + info->error = g_error_copy (error); + mm_callback_info_schedule (info); + return; + } + + /* Possible responses: + * +WWSM: 0 (2G only) + * +WWSM: 1 (3G only) + * +WWSM: 2,0 (Any) + * +WWSM: 2,1 (2G preferred) + * +WWSM: 2,2 (3G preferred) + */ + r = g_regex_new ("\\r\\n\\+WWSM: ([0-2])(,([0-2]))?.*$", 0, 0, NULL); + if (r && g_regex_match_full (r, response->str, response->len, 0, 0, &match_info, NULL)) { + mode_str = g_match_info_fetch (match_info, 1); + prefer_str = g_match_info_fetch (match_info, 3); /* 3, to avoid the comma */ + + if (mode_str) { + switch (atoi (mode_str)) { + case 0: + if (!prefer_str) + read_mode = MM_MODEM_GSM_ALLOWED_MODE_2G_ONLY; + break; + case 1: + if (!prefer_str) + read_mode = MM_MODEM_GSM_ALLOWED_MODE_3G_ONLY; + break; + case 2: + if (prefer_str) { + switch (atoi (prefer_str)) { + case 0: + read_mode = MM_MODEM_GSM_ALLOWED_MODE_ANY; + break; + case 1: + read_mode = MM_MODEM_GSM_ALLOWED_MODE_2G_PREFERRED; + break; + case 2: + read_mode = MM_MODEM_GSM_ALLOWED_MODE_3G_PREFERRED; + break; + default: + g_warn_if_reached (); + break; + } + } + break; + default: + g_warn_if_reached (); + break; + } + } + } + + if (read_mode < 0) { + info->error = g_error_new (MM_MODEM_ERROR, + MM_MODEM_ERROR_GENERAL, + "Unexpected wireless data service reply: '%s' " + "(mode: '%s', prefer: '%s')", + response->str, + mode_str ? mode_str : "none", + prefer_str ? prefer_str : "none"); + } else { + priv->allowed_mode = (guint)read_mode; + mm_callback_info_set_result (info, + GUINT_TO_POINTER (priv->allowed_mode), + NULL); + } + + if (r) + g_regex_unref (r); + if (match_info) + g_match_info_free (match_info); + g_free (mode_str); + g_free (prefer_str); + + mm_callback_info_schedule (info); +} + +static void +get_allowed_mode (MMGenericGsm *gsm, + MMModemUIntFn callback, + gpointer user_data) +{ + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (gsm); + MMCallbackInfo *info; + + info = mm_callback_info_uint_new (MM_MODEM (gsm), callback, user_data); + + /* For 3G devices, query WWSM status */ + if (priv->supported_ms_classes & WAVECOM_MS_CLASS_A) { + MMAtSerialPort *port; + + 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, "+WWSM?", 3, get_allowed_mode_cb, info); + return; + } + + /* For 2G devices, just return cached value */ + 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; + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_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) +{ + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (gsm); + MMCallbackInfo *info; + + info = mm_callback_info_new (MM_MODEM (gsm), callback, user_data); + + /* For 3G devices, go on with WWSM */ + if (priv->supported_ms_classes & WAVECOM_MS_CLASS_A) { + MMAtSerialPort *port; + GString *cmd; + gint net = -1; + gint prefer = -1; + + /* Get port */ + port = mm_generic_gsm_get_best_at_port (gsm, &info->error); + if (!port) { + mm_callback_info_schedule (info); + return; + } + + mm_callback_info_set_data (info, + "new-mode", + GUINT_TO_POINTER (mode), + NULL); + + switch (mode) { + case MM_MODEM_GSM_ALLOWED_MODE_ANY: + net = 2; + prefer = 0; + break; + case MM_MODEM_GSM_ALLOWED_MODE_2G_PREFERRED: + net = 2; + prefer = 1; + break; + case MM_MODEM_GSM_ALLOWED_MODE_3G_PREFERRED: + net = 2; + prefer = 2; + break; + case MM_MODEM_GSM_ALLOWED_MODE_2G_ONLY: + net = 0; + break; + case MM_MODEM_GSM_ALLOWED_MODE_3G_ONLY: + net = 1; + break; + } + + cmd = g_string_new ("+WWSM="); + g_string_append_printf (cmd, "%d", net); + if (net == 2) + g_string_append_printf (cmd, ",%d", prefer); + mm_at_serial_port_queue_command (port, cmd->str, 3, set_allowed_mode_cb, info); + g_string_free (cmd, TRUE); + + return; + } + + /* For non-3G 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) +{ + /* Do NOT chain up parent do_enable_power_up_done(), as it actually ignores + * all errors. */ + + mm_generic_gsm_enable_complete (MM_GENERIC_GSM (info->modem), error, info); +} + +static void +set_highest_ms_class_cb (MMAtSerialPort *port, + GString *response, + GError *error, + gpointer user_data) +{ + MMCallbackInfo *info = (MMCallbackInfo *) user_data; + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem); + guint new_class; + + if (error) { + enable_complete (MM_GENERIC_GSM (info->modem), error, info); + return; + } + + new_class = GPOINTER_TO_UINT (mm_callback_info_get_data (info, "new-class")); + if (new_class) + priv->current_ms_class = new_class; + + /* All done without errors! */ + mm_dbg ("[5/5] All done"); + enable_complete (MM_GENERIC_GSM (info->modem), NULL, info); +} + +static void +set_highest_ms_class (MMAtSerialPort *port, + MMCallbackInfo *info) +{ + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem); + guint new_class = 0; + + if (priv->supported_ms_classes & WAVECOM_MS_CLASS_A) { + if (priv->current_ms_class != WAVECOM_MS_CLASS_A) { + /* A is supported but is not currently selected, switch to A */ + new_class = WAVECOM_MS_CLASS_A; + } + } else if (priv->supported_ms_classes & WAVECOM_MS_CLASS_B) { + if (priv->current_ms_class != WAVECOM_MS_CLASS_B) { + /* B is supported but is not currently selected, switch to B */ + new_class = WAVECOM_MS_CLASS_B; + } + } else if (priv->supported_ms_classes & WAVECOM_MS_CLASS_CG) { + if (priv->current_ms_class != WAVECOM_MS_CLASS_CG) { + /* CG is supported but is not currently selected, switch to CG */ + new_class = WAVECOM_MS_CLASS_CG; + } + } + + if (new_class) { + const gchar *new_class_str; + gchar *cmd; + + new_class_str = wavecom_ms_class_to_str (new_class); + mm_dbg ("Changing mobile station class to: %s", new_class_str); + mm_callback_info_set_data (info, + "new-class", + GUINT_TO_POINTER (new_class), + NULL); + cmd = g_strdup_printf ("+CGCLASS=%s", new_class_str); + mm_at_serial_port_queue_command (port, cmd, 3, set_highest_ms_class_cb, info); + g_free (cmd); + return; + } + + /* if no need to change station class, then just go on */ + mm_dbg ("No need to change mobile station class"); + set_highest_ms_class_cb (port, NULL, NULL, info); +} + +static void +get_current_ms_class_cb (MMAtSerialPort *port, + GString *response, + GError *error, + gpointer user_data) +{ + MMCallbackInfo *info = user_data; + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem); + const gchar *p; + + if (error) { + enable_complete (MM_GENERIC_GSM (info->modem), error, info); + return; + } + + p = mm_strip_tag (response->str, "+CGCLASS:"); + + if (strncmp (p, + WAVECOM_MS_CLASS_A_IDSTR, + strlen (WAVECOM_MS_CLASS_A_IDSTR)) == 0) { + mm_dbg ("Modem configured as a Class A mobile station"); + priv->current_ms_class = WAVECOM_MS_CLASS_A; + } else if (strncmp (p, + WAVECOM_MS_CLASS_B_IDSTR, + strlen (WAVECOM_MS_CLASS_B_IDSTR)) == 0) { + mm_dbg ("Modem configured as a Class B mobile station"); + priv->current_ms_class = WAVECOM_MS_CLASS_B; + } else if (strncmp (p, + WAVECOM_MS_CLASS_CG_IDSTR, + strlen (WAVECOM_MS_CLASS_CG_IDSTR)) == 0) { + mm_dbg ("Modem configured as a Class CG mobile station"); + priv->current_ms_class = WAVECOM_MS_CLASS_CG; + } else if (strncmp (p, + WAVECOM_MS_CLASS_CC_IDSTR, + strlen (WAVECOM_MS_CLASS_CC_IDSTR)) == 0) { + mm_dbg ("Modem configured as a Class CC mobile station"); + priv->current_ms_class = WAVECOM_MS_CLASS_CC; + } else { + GError *inner_error; + + inner_error = g_error_new (MM_MODEM_ERROR, + MM_MODEM_ERROR_GENERAL, + "Unknown mobile station class: '%s'", + p); + enable_complete (MM_GENERIC_GSM (info->modem), inner_error, info); + g_error_free (inner_error); + return; + } + + /* Next, set highest mobile station class possible */ + mm_dbg ("[4/5] Ensuring highest MS class..."); + set_highest_ms_class (port, info); +} + +static void +get_supported_ms_classes_cb (MMAtSerialPort *port, + GString *response, + GError *error, + gpointer user_data) +{ + MMCallbackInfo *info = user_data; + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (info->modem); + const gchar *p; + + if (error) { + enable_complete (MM_GENERIC_GSM (info->modem), error, info); + return; + } + + /* Reset currently supported MS classes */ + priv->supported_ms_classes = 0; + + p = mm_strip_tag (response->str, "+CGCLASS:"); + + if (strstr (p, WAVECOM_MS_CLASS_A_IDSTR)) { + mm_dbg ("Modem supports Class A mobile station"); + priv->supported_ms_classes |= WAVECOM_MS_CLASS_A; + } + + if (strstr (p, WAVECOM_MS_CLASS_B_IDSTR)) { + mm_dbg ("Modem supports Class B mobile station"); + priv->supported_ms_classes |= WAVECOM_MS_CLASS_B; + } + + if (strstr (p, WAVECOM_MS_CLASS_CG_IDSTR)) { + mm_dbg ("Modem supports Class CG mobile station"); + priv->supported_ms_classes |= WAVECOM_MS_CLASS_CG; + } + + if (strstr (p, WAVECOM_MS_CLASS_CC_IDSTR)) { + mm_dbg ("Modem supports Class CC mobile station"); + priv->supported_ms_classes |= WAVECOM_MS_CLASS_CC; + } + + /* If none received, error */ + if (!priv->supported_ms_classes) { + GError *inner_error; + + inner_error = g_error_new (MM_MODEM_ERROR, + MM_MODEM_ERROR_GENERAL, + "Couldn't get supported mobile station classes"); + enable_complete (MM_GENERIC_GSM (info->modem), inner_error, info); + g_error_free (inner_error); + return; + } + + /* Next, query for current MS class */ + mm_dbg ("[3/5] Getting current MS class..."); + mm_at_serial_port_queue_command (port, "+CGCLASS?", 3, get_current_ms_class_cb, info); +} + +static void +get_current_functionality_status_cb (MMAtSerialPort *port, + GString *response, + GError *error, + gpointer user_data) +{ + MMCallbackInfo *info = user_data; + const gchar *p; + GError *inner_error; + + if (error) { + enable_complete (MM_GENERIC_GSM (info->modem), error, info); + return; + } + + p = mm_strip_tag (response->str, "+CFUN:"); + if (!p || *p != '1') { + /* Reported functionality status MUST be '1'. Otherwise, RF is probably + * switched off. */ + inner_error = g_error_new (MM_MODEM_ERROR, + MM_MODEM_ERROR_GENERAL, + "Unexpected functionality status: '%c'. ", + p ? *p :' '); + enable_complete (MM_GENERIC_GSM (info->modem), inner_error, info); + g_error_free (inner_error); + } + + /* Nex, query for supported MS classes */ + mm_dbg ("[2/5] Getting supported MS classes..."); + mm_at_serial_port_queue_command (port, "+CGCLASS=?", 3, get_supported_ms_classes_cb, info); +} + +static void +do_enable_power_up_done (MMGenericGsm *gsm, + GString *response, + GError *error, + MMCallbackInfo *info) +{ + MMAtSerialPort *port; + GError *inner_error = NULL; + + if (error) { + enable_complete (gsm, error, info); + return; + } + + /* Get port */ + port = mm_generic_gsm_get_best_at_port (gsm, &inner_error); + if (!port) { + enable_complete (gsm, inner_error, info); + g_error_free (inner_error); + return; + } + + /* Next, get current functionality status */ + mm_dbg ("[1/5] Getting current functionality status..."); + mm_at_serial_port_queue_command (port, "+CFUN?", 3, get_current_functionality_status_cb, info); +} + +/*****************************************************************************/ + +static void +modem_init (MMModem *modem_class) +{ + modem_class->grab_port = grab_port; +} + +static void +modem_gsm_network_init (MMModemGsmNetwork *network_class) +{ + network_class->set_band = set_band; + network_class->get_band = get_band; +} + +static void +mm_modem_wavecom_gsm_init (MMModemWavecomGsm *self) +{ + MMModemWavecomGsmPrivate *priv = MM_MODEM_WAVECOM_GSM_GET_PRIVATE (self); + + /* Set defaults */ + priv->supported_ms_classes = 0; /* This is a bitmask, so empty */ + priv->current_ms_class = WAVECOM_MS_CLASS_UNKNOWN; + priv->allowed_mode = MM_MODEM_GSM_ALLOWED_MODE_ANY; + priv->current_bands = 0; /* This is a bitmask, so empty */ +} + +static void +mm_modem_wavecom_gsm_class_init (MMModemWavecomGsmClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + MMGenericGsmClass *gsm_class = MM_GENERIC_GSM_CLASS (klass); + + g_type_class_add_private (object_class, sizeof (MMModemWavecomGsmPrivate)); + + object_class->get_property = get_property; + object_class->set_property = set_property; + + g_object_class_override_property (object_class, + MM_GENERIC_GSM_PROP_POWER_UP_CMD, + MM_GENERIC_GSM_POWER_UP_CMD); + + g_object_class_override_property (object_class, + MM_GENERIC_GSM_PROP_FLOW_CONTROL_CMD, + MM_GENERIC_GSM_FLOW_CONTROL_CMD); + + 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; +} + |