From 66aa34b37e46dd77677f6c6b4abe720a43e0aea5 Mon Sep 17 00:00:00 2001 From: Ankit Navik Date: Wed, 13 Sep 2017 07:58:43 +0530 Subject: [PATCH] Add support for Intel xmm7xxx series modems This adds plugin for xmm7xxx series modems --- Makefile.am | 3 + plugins/xmm7xxx.c | 399 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 402 insertions(+) create mode 100644 plugins/xmm7xxx.c diff --git a/Makefile.am b/Makefile.am index cb450e86..5368b61d 100644 --- a/Makefile.am +++ b/Makefile.am @@ -508,6 +508,9 @@ builtin_sources += plugins/quectel.c builtin_modules += ublox builtin_sources += plugins/ublox.c +builtin_modules += xmm7xxx +builtin_sources += plugins/xmm7xxx.c + if BLUETOOTH if BLUEZ4 builtin_modules += sap diff --git a/plugins/xmm7xxx.c b/plugins/xmm7xxx.c new file mode 100644 index 00000000..4443d4cc --- /dev/null +++ b/plugins/xmm7xxx.c @@ -0,0 +1,399 @@ +/* + * + * oFono - Open Source Telephony + * + * Copyright (C) 2017 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#define OFONO_API_SUBJECT_TO_CHANGE +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +static const char *none_prefix[] = { NULL }; +static const char *xsimstate_prefix[] = { "+XSIMSTATE:", NULL }; + +struct xmm7xxx_data { + GAtChat *chat; /* AT chat */ + struct ofono_sim *sim; + ofono_bool_t have_sim; + ofono_bool_t sms_phonebook_added; +}; + +static void xmm7xxx_debug(const char *str, void *user_data) +{ + const char *prefix = user_data; + + ofono_info("%s%s", prefix, str); +} + +static GAtChat *open_device(struct ofono_modem *modem, + const char *key, char *debug) +{ + const char *device; + GAtSyntax *syntax; + GIOChannel *channel; + GAtChat *chat; + GHashTable *options; + + device = ofono_modem_get_string(modem, key); + if (device == NULL) + return NULL; + + DBG("%s %s", key, device); + + options = g_hash_table_new(g_str_hash, g_str_equal); + if (options == NULL) + return NULL; + + g_hash_table_insert(options, "Baud", "115200"); + channel = g_at_tty_open(device, options); + g_hash_table_destroy(options); + + if (channel == NULL) + return NULL; + + syntax = g_at_syntax_new_gsm_permissive(); + chat = g_at_chat_new(channel, syntax); + g_at_syntax_unref(syntax); + g_io_channel_unref(channel); + + if (chat == NULL) + return NULL; + + if (getenv("OFONO_AT_DEBUG")) + g_at_chat_set_debug(chat, xmm7xxx_debug, debug); + + return chat; +} + +static void switch_sim_state_status(struct ofono_modem *modem, int status) +{ + struct xmm7xxx_data *data = ofono_modem_get_data(modem); + + DBG("%p, SIM status: %d", modem, status); + + switch (status) { + case 0: /* SIM not inserted */ + case 9: /* SIM removed */ + if (data->have_sim == TRUE) { + ofono_sim_inserted_notify(data->sim, FALSE); + data->have_sim = FALSE; + data->sms_phonebook_added = FALSE; + } + break; + case 2: /* SIM inserted, PIN verification not needed - READY */ + case 3: /* SIM inserted, PIN verified - READY */ + case 7: + if (data->have_sim == FALSE) { + ofono_sim_inserted_notify(data->sim, TRUE); + data->have_sim = TRUE; + } + break; + default: + ofono_warn("Unknown SIM state %d received", status); + break; + } +} + +static void xsimstate_notify(GAtResult *result, gpointer user_data) +{ + struct ofono_modem *modem = user_data; + int status; + GAtResultIter iter; + + DBG("%p", modem); + + g_at_result_iter_init(&iter, result); + + if (!g_at_result_iter_next(&iter, "+XSIM:")) + return; + + g_at_result_iter_next_number(&iter, &status); + + DBG("status=%d\n", status); + + switch_sim_state_status(modem, status); +} + +static void xsimstate_query_cb(gboolean ok, GAtResult *result, + gpointer user_data) +{ + struct ofono_modem *modem = user_data; + int status, mode; + GAtResultIter iter; + + DBG("%p", modem); + + if (!ok) + return; + + g_at_result_iter_init(&iter, result); + + if (!g_at_result_iter_next(&iter, "+XSIMSTATE:")) + return; + + if (!g_at_result_iter_next_number(&iter, &mode)) + return; + + if (!g_at_result_iter_next_number(&iter, &status)) + return; + + DBG("mode=%d, status=%d\n", mode, status); + + switch_sim_state_status(modem, status); +} + +static void cfun_enable_cb(gboolean ok, GAtResult *result, gpointer user_data) +{ + struct ofono_modem *modem = user_data; + struct xmm7xxx_data *data = ofono_modem_get_data(modem); + + DBG("%p", modem); + + if (!ok) { + g_at_chat_unref(data->chat); + data->chat = NULL; + + ofono_modem_set_powered(modem, FALSE); + return; + } + + /* + * Switch data carrier detect signal off. + * When the DCD is disabled the modem does not hangup anymore + * after the data connection. + */ + g_at_chat_send(data->chat, "AT&C0", NULL, NULL, NULL, NULL); + + data->have_sim = FALSE; + data->sms_phonebook_added = FALSE; + + ofono_modem_set_powered(modem, TRUE); + + g_at_chat_register(data->chat, "+XSIM:", xsimstate_notify, + FALSE, modem, NULL); + + g_at_chat_send(data->chat, "AT+XSIMSTATE=1", none_prefix, + NULL, NULL, NULL); + g_at_chat_send(data->chat, "AT+XSIMSTATE?", xsimstate_prefix, + xsimstate_query_cb, modem, NULL); +} + +static int xmm7xxx_enable(struct ofono_modem *modem) +{ + struct xmm7xxx_data *data = ofono_modem_get_data(modem); + + DBG("%p", modem); + + data->chat = open_device(modem, "Modem", "Modem: "); + if (data->chat == NULL) + return -EIO; + + /* + * Disable command echo and + * enable the Extended Error Result Codes + */ + g_at_chat_send(data->chat, "ATE0 +CMEE=1", none_prefix, + NULL, NULL, NULL); + + /* Set phone functionality */ + g_at_chat_send(data->chat, "AT+CFUN=4", none_prefix, + cfun_enable_cb, modem, NULL); + + return -EINPROGRESS; +} + +static void cfun_disable_cb(gboolean ok, GAtResult *result, gpointer user_data) +{ + struct ofono_modem *modem = user_data; + struct xmm7xxx_data *data = ofono_modem_get_data(modem); + + DBG("%p", modem); + + g_at_chat_unref(data->chat); + data->chat = NULL; + + if (ok) + ofono_modem_set_powered(modem, FALSE); +} + +static int xmm7xxx_disable(struct ofono_modem *modem) +{ + struct xmm7xxx_data *data = ofono_modem_get_data(modem); + + DBG("%p", modem); + + g_at_chat_cancel_all(data->chat); + g_at_chat_unregister_all(data->chat); + + /* Power down modem */ + g_at_chat_send(data->chat, "AT+CFUN=0", none_prefix, + cfun_disable_cb, modem, NULL); + + return -EINPROGRESS; +} + +static void xmm7xxx_pre_sim(struct ofono_modem *modem) +{ + struct xmm7xxx_data *data = ofono_modem_get_data(modem); + + DBG("%p", modem); + + ofono_devinfo_create(modem, OFONO_VENDOR_IFX, "atmodem", data->chat); + data->sim = ofono_sim_create(modem, OFONO_VENDOR_IFX, "atmodem", + data->chat); +} + +static void set_online_cb(gboolean ok, GAtResult *result, gpointer user_data) +{ + struct cb_data *cbd = user_data; + ofono_modem_online_cb_t cb = cbd->cb; + struct ofono_error error; + + decode_at_error(&error, g_at_result_final_response(result)); + cb(&error, cbd->data); +} + +static void xmm7xxx_set_online(struct ofono_modem *modem, ofono_bool_t online, + ofono_modem_online_cb_t cb, void *user_data) +{ + struct xmm7xxx_data *data = ofono_modem_get_data(modem); + struct cb_data *cbd = cb_data_new(cb, user_data); + char const *command = online ? "AT+CFUN=1" : "AT+CFUN=4"; + + DBG("modem %p %s", modem, online ? "online" : "offline"); + + if (g_at_chat_send(data->chat, command, none_prefix, + set_online_cb, cbd, g_free) > 0) + return; + + CALLBACK_WITH_FAILURE(cb, cbd->data); + + g_free(cbd); +} + +static void xmm7xxx_post_sim(struct ofono_modem *modem) +{ + struct xmm7xxx_data *data = ofono_modem_get_data(modem); + + ofono_lte_create(modem, "atmodem", data->chat); + ofono_radio_settings_create(modem, 0, "xmm7modem", data->chat); +} + +static void xmm7xxx_post_online(struct ofono_modem *modem) +{ + struct xmm7xxx_data *data = ofono_modem_get_data(modem); + struct ofono_gprs *gprs; + struct ofono_gprs_context *gc; + + DBG("%p", modem); + + ofono_netreg_create(modem, OFONO_VENDOR_IFX, "atmodem", data->chat); + + gprs = ofono_gprs_create(modem, OFONO_VENDOR_IFX, "atmodem", + data->chat); + gc = ofono_gprs_context_create(modem, OFONO_VENDOR_XMM, "ifxmodem", + data->chat); + + if (gprs && gc) + ofono_gprs_add_context(gprs, gc); +} + +static int xmm7xxx_probe(struct ofono_modem *modem) +{ + struct xmm7xxx_data *data; + + DBG("%p", modem); + + data = g_try_new0(struct xmm7xxx_data, 1); + if (data == NULL) + return -ENOMEM; + + ofono_modem_set_data(modem, data); + + return 0; +} + +static void xmm7xxx_remove(struct ofono_modem *modem) +{ + struct xmm7xxx_data *data = ofono_modem_get_data(modem); + + DBG("%p", modem); + + ofono_modem_set_data(modem, NULL); + + /* Cleanup after hot-unplug */ + g_at_chat_unref(data->chat); + + g_free(data); +} + +static struct ofono_modem_driver xmm7xxx_driver = { + .name = "xmm7xxx", + .probe = xmm7xxx_probe, + .remove = xmm7xxx_remove, + .enable = xmm7xxx_enable, + .disable = xmm7xxx_disable, + .set_online = xmm7xxx_set_online, + .pre_sim = xmm7xxx_pre_sim, + .post_sim = xmm7xxx_post_sim, + .post_online = xmm7xxx_post_online, +}; + +static int xmm7xxx_init(void) +{ + DBG(""); + + return ofono_modem_driver_register(&xmm7xxx_driver); +} + +static void xmm7xxx_exit(void) +{ + ofono_modem_driver_unregister(&xmm7xxx_driver); +} + +OFONO_PLUGIN_DEFINE(xmm7xxx, "Intel XMM7xxx driver", VERSION, + OFONO_PLUGIN_PRIORITY_DEFAULT, xmm7xxx_init, xmm7xxx_exit)