From: Pekka Pessi <[email protected]>

The new isigen modem driver plugin replaces the generic isimodem modem
driver.
---
 Makefile.am      |    3 +
 plugins/isigen.c |  454 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 457 insertions(+), 0 deletions(-)
 create mode 100644 plugins/isigen.c

diff --git a/Makefile.am b/Makefile.am
index aa66907..d8594a7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -130,6 +130,9 @@ builtin_sources += $(gisi_sources) \
                                drivers/isimodem/gprs-context.c \
                                drivers/isimodem/gpds.h
 
+builtin_modules += isigen
+builtin_sources += plugins/isigen.c
+
 builtin_modules += usbpnmodem
 builtin_sources += plugins/usbpnmodem.c
 endif
diff --git a/plugins/isigen.c b/plugins/isigen.c
new file mode 100644
index 0000000..1c6b26c
--- /dev/null
+++ b/plugins/isigen.c
@@ -0,0 +1,454 @@
+/*
+ * This file is part of oFono - Open Source Telephony
+ *
+ * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * 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 <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+
+#include <gisi/netlink.h>
+#include <gisi/client.h>
+
+#define OFONO_API_SUBJECT_TO_CHANGE
+#include <ofono/plugin.h>
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/devinfo.h>
+#include <ofono/phonebook.h>
+#include <ofono/netreg.h>
+#include <ofono/voicecall.h>
+#include <ofono/sms.h>
+#include <ofono/cbs.h>
+#include <ofono/sim.h>
+#include <ofono/ussd.h>
+#include <ofono/ssn.h>
+#include <ofono/call-forwarding.h>
+#include <ofono/call-settings.h>
+#include <ofono/call-barring.h>
+#include <ofono/call-meter.h>
+#include <ofono/radio-settings.h>
+#include <ofono/gprs.h>
+#include <ofono/gprs-context.h>
+
+#include "drivers/isimodem/isimodem.h"
+#include "drivers/isimodem/isiutil.h"
+#include "drivers/isimodem/mtc.h"
+#include "drivers/isimodem/debug.h"
+
+struct isi_data {
+       struct ofono_modem *modem;
+       char const *ifname;
+       GIsiModem *idx;
+       GIsiClient *client;
+       GPhonetNetlink *link;
+       GPhonetLinkState linkstate;
+       unsigned interval;
+       int reported;
+       ofono_bool_t online;
+       struct isi_cb_data *online_cbd;
+};
+
+static void report_powered(struct isi_data *isi, ofono_bool_t powered)
+{
+       if (powered != isi->reported)
+               ofono_modem_set_powered(isi->modem, isi->reported = powered);
+}
+
+static void report_online(struct isi_data *isi, ofono_bool_t online)
+{
+       struct isi_cb_data *cbd = isi->online_cbd;
+       ofono_modem_online_cb_t cb = cbd->cb;
+
+       isi->online_cbd = NULL;
+
+       if (isi->online == online)
+               CALLBACK_WITH_SUCCESS(cb, cbd->data);
+       else
+               CALLBACK_WITH_FAILURE(cb, cbd->data);
+
+       g_free(cbd);
+}
+
+static void set_power_by_mtc_state(struct isi_data *isi, int mtc_state)
+{
+       if (isi->online_cbd)
+               report_online(isi, mtc_state == MTC_NORMAL);
+
+       switch (mtc_state) {
+       case MTC_STATE_NONE:
+       case MTC_POWER_OFF:
+       case MTC_CHARGING:
+       case MTC_SELFTEST_FAIL:
+               report_powered(isi, 0);
+               break;
+
+       case MTC_RF_INACTIVE:
+       case MTC_NORMAL:
+       default:
+               report_powered(isi, 1);
+       }
+}
+
+static void mtc_state_ind_cb(GIsiClient *client,
+                               const void *restrict data, size_t len,
+                               uint16_t object, void *opaque)
+{
+       const unsigned char *msg = data;
+       struct isi_data *isi = opaque;
+
+       if (!msg) {
+               DBG("ISI client error: %d", g_isi_client_error(client));
+               return;
+       }
+
+       if (len < 3 || msg[0] != MTC_STATE_INFO_IND)
+               return;
+
+       if (msg[2] == MTC_START) {
+               DBG("target modem state: %s (0x%02X)",
+                       mtc_modem_state_name(msg[1]), msg[1]);
+       } else if (msg[2] == MTC_READY) {
+               DBG("current modem state: %s (0x%02X)",
+                       mtc_modem_state_name(msg[1]), msg[1]);
+               set_power_by_mtc_state(isi, msg[1]);
+       }
+}
+
+static gboolean mtc_poll_query_cb(GIsiClient *client,
+                                       const void *restrict data, size_t len,
+                                       uint16_t object, void *opaque)
+{
+       const unsigned char *msg = data;
+       struct isi_data *isi = opaque;
+
+       if (!msg) {
+               const unsigned char req[] = {
+                       MTC_STATE_QUERY_REQ, 0x00, 0x00
+               };
+
+               if (isi->linkstate != PN_LINK_UP)
+                       return TRUE;
+
+               isi->interval *= 2;
+               if (isi->interval >= 20)
+                       isi->interval = 20;
+
+               g_isi_send(client, req, sizeof(req), isi->interval,
+                               mtc_poll_query_cb, opaque, NULL);
+
+               return TRUE;
+       }
+
+       if (len < 3 || msg[0] != MTC_STATE_QUERY_RESP)
+               return FALSE;
+
+       g_isi_subscribe(client, MTC_STATE_INFO_IND, mtc_state_ind_cb, opaque);
+
+       DBG("current modem state: %s (0x%02X)",
+               mtc_modem_state_name(msg[1]), msg[1]);
+       DBG("target modem state: %s (0x%02X)",
+               mtc_modem_state_name(msg[2]), msg[2]);
+
+       if (msg[1] == msg[2])
+               set_power_by_mtc_state(isi, msg[1]);
+
+       return TRUE;
+}
+
+static gboolean mtc_query_cb(GIsiClient *client,
+                               const void *restrict data, size_t len,
+                               uint16_t object, void *opaque)
+{
+       const unsigned char *msg = data;
+       struct isi_data *isi = opaque;
+
+       if (!msg) {
+               DBG("ISI client error: %d", g_isi_client_error(client));
+               return TRUE;
+       }
+
+       if (len < 3 || msg[0] != MTC_STATE_QUERY_RESP)
+               return FALSE;
+
+       DBG("current modem state: %s (0x%02X)",
+               mtc_modem_state_name(msg[1]), msg[1]);
+       DBG("target modem state: %s (0x%02X)",
+               mtc_modem_state_name(msg[2]), msg[2]);
+
+       if (msg[1] == msg[2])
+               set_power_by_mtc_state(isi, msg[1]);
+
+       return TRUE;
+}
+
+static void reachable_cb(GIsiClient *client, gboolean alive, uint16_t object,
+                               void *opaque)
+{
+       struct isi_data *isi = opaque;
+
+       const unsigned char msg[] = {
+               MTC_STATE_QUERY_REQ,
+               0x00, 0x00 /* Filler */
+       };
+
+       if (!alive) {
+               DBG("MTC client: %s", strerror(-g_isi_client_error(client)));
+
+               if (isi->linkstate == PN_LINK_UP)
+                       g_isi_send(client, msg, sizeof(msg),
+                                       isi->interval = MTC_TIMEOUT,
+                                       mtc_poll_query_cb, opaque, NULL);
+               return;
+       }
+
+       DBG("%s (v.%03d.%03d) reachable",
+               pn_resource_name(g_isi_client_resource(client)),
+               g_isi_version_major(client),
+               g_isi_version_minor(client));
+
+       g_isi_subscribe(client, MTC_STATE_INFO_IND, mtc_state_ind_cb, opaque);
+       g_isi_send(client, msg, sizeof(msg), MTC_TIMEOUT,
+                       mtc_query_cb, opaque, NULL);
+}
+
+static void phonet_status_cb(GIsiModem *idx,
+                               GPhonetLinkState st,
+                               char const *ifname,
+                               void *data)
+{
+       struct ofono_modem *modem = data;
+       struct isi_data *isi = ofono_modem_get_data(modem);
+
+       DBG("Link %s (%u) is %s",
+               isi->ifname, g_isi_modem_index(isi->idx),
+               st == PN_LINK_REMOVED ? "removed" :
+               st == PN_LINK_DOWN ? "down" : "up");
+
+       isi->linkstate = st;
+
+       if (st == PN_LINK_UP)
+               g_isi_verify(isi->client, reachable_cb, isi);
+       else if (st == PN_LINK_DOWN)
+               set_power_by_mtc_state(isi, MTC_STATE_NONE);
+       else if (st == PN_LINK_REMOVED)
+               ofono_modem_remove(modem);
+}
+
+static int isigen_probe(struct ofono_modem *modem)
+{
+       struct isi_data *isi;
+       char const *ifname = ofono_modem_get_string(modem, "Interface");
+       unsigned address = ofono_modem_get_integer(modem, "Address");
+       GIsiModem *idx;
+       GPhonetNetlink *link;
+       if (ifname == NULL)
+               return -EINVAL;
+
+       DBG("(%p) with %s", modem, ifname);
+
+       idx = g_isi_modem_by_name(ifname);
+       if (idx == NULL) {
+               DBG("Interface=%s: %s", ifname, strerror(errno));
+               return -errno;
+       }
+
+       if (g_pn_netlink_by_modem(idx)) {
+               DBG("%s: %s", ifname, strerror(EBUSY));
+               return -EBUSY;
+       }
+
+       link = g_pn_netlink_start(idx, phonet_status_cb, modem);
+       if (!link) {
+               DBG("%s: %s", ifname, strerror(errno));
+               return -errno;
+       }
+
+       if (address) {
+               int error = g_pn_netlink_set_address(idx, PN_DEV_PC);
+               if (error && error != -EEXIST) {
+                       DBG("g_pn_netlink_set_address: %s\n", strerror(-error));
+                       return -errno;
+               }
+       }
+
+       isi = g_new0(struct isi_data, 1);
+       if (isi == NULL)
+               return -ENOMEM;
+
+       ofono_modem_set_data(isi->modem = modem, isi);
+
+       isi->idx = idx;
+       isi->ifname = ifname;
+       isi->link = link;
+       isi->client = g_isi_client_create(isi->idx, PN_MTC);
+       isi->reported = -1;
+
+       return 0;
+}
+
+static void isigen_remove(struct ofono_modem *modem)
+{
+       struct isi_data *isi = ofono_modem_get_data(modem);
+
+       if (!isi)
+               return;
+
+       ofono_modem_set_data(modem, NULL);
+       g_isi_client_destroy(isi->client);
+       g_pn_netlink_stop(isi->link);
+       g_free(isi);
+}
+
+static gboolean mtc_state_cb(GIsiClient *client,
+                               const void *restrict data, size_t len,
+                               uint16_t object, void *opaque)
+{
+       struct isi_cb_data *cbd = opaque;
+       struct ofono_modem *modem = cbd->user;
+       ofono_modem_online_cb_t cb = cbd->cb;
+       struct isi_data *isi = ofono_modem_get_data(modem);
+       const unsigned char *msg = data;
+
+       if (!msg) {
+               DBG("ISI client error: %d", g_isi_client_error(client));
+               goto err;
+       }
+
+       if (len < 3 || msg[0] != MTC_STATE_RESP)
+               return FALSE;
+
+       DBG("cause: %s (0x%02X)", mtc_isi_cause_name(msg[1]), msg[1]);
+
+       if (msg[1] == MTC_OK) {
+               isi->online_cbd = cbd;
+               return TRUE;
+       }
+
+err:
+       if (msg && msg[1] == MTC_ALREADY_ACTIVE)
+               CALLBACK_WITH_SUCCESS(cb, cbd->data);
+       else
+               CALLBACK_WITH_FAILURE(cb, cbd->data);
+
+       g_free(cbd);
+       return TRUE;
+}
+
+static void isigen_online(struct ofono_modem *modem, ofono_bool_t online,
+                               ofono_modem_online_cb_t cb, void *data)
+{
+       struct isi_data *isi = ofono_modem_get_data(modem);
+       const unsigned char req[] = {
+               MTC_STATE_REQ, online ? MTC_NORMAL : MTC_RF_INACTIVE, 0x00
+       };
+       struct isi_cb_data *cbd = isi_cb_data_new(modem, cb, data);
+
+       DBG("(%p) with %s", modem, isi->ifname);
+
+       if (!cbd)
+               goto error;
+
+       isi->online = online;
+
+       if (g_isi_send(isi->client, req, sizeof(req), MTC_TIMEOUT,
+                       mtc_state_cb, cbd, NULL))
+               return;
+
+error:
+       g_free(cbd);
+       CALLBACK_WITH_FAILURE(cb, data);
+}
+
+static void isigen_pre_sim(struct ofono_modem *modem)
+{
+       struct isi_data *isi = ofono_modem_get_data(modem);
+
+       DBG("(%p) with %s", modem, isi->ifname);
+
+       ofono_sim_create(isi->modem, 0, "isimodem", isi->idx);
+       ofono_devinfo_create(isi->modem, 0, "isimodem", isi->idx);
+       ofono_voicecall_create(isi->modem, 0, "isimodem", isi->idx);
+}
+
+static void isigen_post_sim(struct ofono_modem *modem)
+{
+       struct isi_data *isi = ofono_modem_get_data(modem);
+
+       DBG("(%p) with %s", modem, isi->ifname);
+
+       ofono_phonebook_create(isi->modem, 0, "isimodem", isi->idx);
+}
+
+static void isigen_post_online(struct ofono_modem *modem)
+{
+       struct isi_data *isi = ofono_modem_get_data(modem);
+       struct ofono_gprs *gprs;
+       struct ofono_gprs_context *gc;
+
+       DBG("(%p) with %s", modem, isi->ifname);
+
+       ofono_netreg_create(isi->modem, 0, "isimodem", isi->idx);
+       ofono_sms_create(isi->modem, 0, "isimodem", isi->idx);
+       ofono_cbs_create(isi->modem, 0, "isimodem", isi->idx);
+       ofono_ssn_create(isi->modem, 0, "isimodem", isi->idx);
+       ofono_ussd_create(isi->modem, 0, "isimodem", isi->idx);
+       ofono_call_forwarding_create(isi->modem, 0, "isimodem", isi->idx);
+       ofono_call_settings_create(isi->modem, 0, "isimodem", isi->idx);
+       ofono_call_barring_create(isi->modem, 0, "isimodem", isi->idx);
+       ofono_call_meter_create(isi->modem, 0, "isimodem", isi->idx);
+       ofono_radio_settings_create(isi->modem, 0, "isimodem", isi->idx);
+       gprs = ofono_gprs_create(isi->modem, 0, "isimodem", isi->idx);
+       gc = ofono_gprs_context_create(isi->modem, 0, "isimodem", isi->idx);
+
+       if (gprs && gc)
+               ofono_gprs_add_context(gprs, gc);
+       else
+               DBG("Failed to add context");
+}
+
+static struct ofono_modem_driver driver = {
+       .name = "isigen",
+       .probe = isigen_probe,
+       .remove = isigen_remove,
+       .set_online = isigen_online,
+       .pre_sim = isigen_pre_sim,
+       .post_sim = isigen_post_sim,
+       .post_online = isigen_post_online,
+};
+
+static int isigen_init(void)
+{
+       return ofono_modem_driver_register(&driver);
+}
+
+static void isigen_exit(void)
+{
+       ofono_modem_driver_unregister(&driver);
+}
+
+OFONO_PLUGIN_DEFINE(isigen, "Generic modem driver for isi",
+                       VERSION, OFONO_PLUGIN_PRIORITY_DEFAULT,
+                       isigen_init, isigen_exit)
-- 
1.7.0.4

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