/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2010 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/modem.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/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 <ofono/audio-settings.h>
#include "drivers/isimodem/isimodem.h"
#include "drivers/isimodem/isiutil.h"
#include "drivers/isimodem/infoserver.h"
#include "drivers/isimodem/mtc.h"
#include "drivers/isimodem/debug.h"
#include "nokia-gpio.h"
struct isi_data {
const char *ifname;
GIsiModem *modem;
GIsiClient *client;
struct isi_infoserver *infoserver;
ofono_bool_t enabled;
ofono_bool_t online;
ofono_bool_t reported;
enum power_state power_state;
int mtc_state;
guint timeout;
struct isi_cb_data *online_cbd;
};
static void mtc_power_off(struct isi_data *isi);
static gboolean mtc_power_off_poll(gpointer user);
static gboolean check_response_status(const GIsiMessage *msg, uint8_t msgid)
{
if (g_isi_msg_error(msg) < 0) {
DBG("Error: %s", strerror(-g_isi_msg_error(msg)));
return FALSE;
}
if (g_isi_msg_id(msg) != msgid) {
DBG("Unexpected msg: %s",
mtc_message_id_name(g_isi_msg_id(msg)));
return FALSE;
}
return TRUE;
}
static void report_powered(struct ofono_modem *modem, struct isi_data *isi,
ofono_bool_t powered)
{
if (powered == isi->reported)
return;
DBG("%s", powered ? "Powered on"
: isi->enabled ? "Reset"
: "Powered off");
isi->reported = powered;
ofono_modem_set_powered(modem, 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 ofono_modem *modem,
struct isi_data *isi, int mtc_state)
{
isi->mtc_state = 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(modem, isi, FALSE);
break;
case MTC_RF_INACTIVE:
case MTC_NORMAL:
default:
report_powered(modem, isi, TRUE);
}
}
static void mtc_state_ind_cb(const GIsiMessage *msg, void *data)
{
struct ofono_modem *modem = data;
struct isi_data *isi = ofono_modem_get_data(modem);
uint8_t action;
uint8_t state;
if (g_isi_msg_error(msg) < 0)
return;
if (g_isi_msg_id(msg) != MTC_STATE_INFO_IND)
return;
if (!g_isi_msg_data_get_byte(msg, 0, &state) ||
!g_isi_msg_data_get_byte(msg, 1, &action))
return;
if (action == MTC_START) {
DBG("target modem state: %s (0x%02X)",
mtc_modem_state_name(state), state);
if (state == MTC_POWER_OFF) {
isi->power_state = POWER_STATE_OFF_STARTED;
mtc_power_off_poll(isi);
}
} else if (action == MTC_READY) {
DBG("current modem state: %s (0x%02X)",
mtc_modem_state_name(state), state);
set_power_by_mtc_state(modem, isi, state);
}
}
static void mtc_startup_synq_cb(const GIsiMessage *msg, void *data)
{
check_response_status(msg, MTC_STARTUP_SYNQ_RESP);
}
static void mtc_startup_synq(struct isi_data *isi)
{
const uint8_t msg[] = {
MTC_STARTUP_SYNQ_REQ,
0, 0,
};
g_isi_client_send(isi->client, msg, sizeof(msg),
mtc_startup_synq_cb, NULL, NULL);
}
static void mtc_query_cb(const GIsiMessage *msg, void *data)
{
struct ofono_modem *modem = data;
struct isi_data *isi = ofono_modem_get_data(modem);
uint8_t current;
uint8_t target;
if (!check_response_status(msg, MTC_STATE_QUERY_RESP))
return;
if (!g_isi_msg_data_get_byte(msg, 0, ¤t) ||
!g_isi_msg_data_get_byte(msg, 1, &target))
return;
DBG("Modem state: current=%s (0x%02X) target=%s (0x%02X)",
mtc_modem_state_name(current), current,
mtc_modem_state_name(target), target);
set_power_by_mtc_state(modem, isi, current);
mtc_startup_synq(isi);
}
static void mtc_state_query(struct ofono_modem *modem)
{
struct isi_data *isi = ofono_modem_get_data(modem);
const uint8_t msg[] = {
MTC_STATE_QUERY_REQ,
0, 0,
};
if (!isi)
return;
g_isi_client_send(isi->client, msg, sizeof(msg),
mtc_query_cb, modem, NULL);
}
static void mtc_reachable_cb(const GIsiMessage *msg, void *data)
{
struct ofono_modem *modem = data;
struct isi_data *isi = ofono_modem_get_data(modem);
if (!g_isi_msg_error(msg) < 0)
return;
ISI_VERSION_DBG(msg);
g_isi_client_ind_subscribe(isi->client, MTC_STATE_INFO_IND,
mtc_state_ind_cb, modem);
mtc_state_query(modem);
}
static void mtc_shutdown_sync(struct isi_data *isi)
{
const uint8_t msg[] = {
MTC_SHUTDOWN_SYNC_REQ,
0, 0,
};
g_isi_client_send(isi->client, msg, sizeof(msg), NULL, NULL, NULL);
}
static gboolean mtc_power_off_poll(gpointer user)
{
struct isi_data *isi = user;
isi->timeout = 0;
if (isi->power_state == POWER_STATE_ON_STARTED
|| isi->power_state == POWER_STATE_OFF
|| isi->power_state == POWER_STATE_OFF_WAITING)
return FALSE;
mtc_shutdown_sync(isi);
isi->timeout = g_timeout_add(200, mtc_power_off_poll, user);
return FALSE;
}
static void mtc_power_off_cb(const GIsiMessage *msg, void *data)
{
struct isi_data *isi = data;
if (!check_response_status(msg, MTC_POWER_OFF_RESP)) {
if (isi->power_state == POWER_STATE_OFF_STARTED)
mtc_power_off(isi);
return;
}
/* power off poll is started by mtc_state_ind_cb() */
}
static void mtc_power_off(struct isi_data *isi)
{
const uint8_t msg[] = {
MTC_POWER_OFF_REQ,
0, 0,
};
g_isi_client_send(isi->client, msg, sizeof(msg),
mtc_power_off_cb, isi, NULL);
}
static void n900_power_cb(enum power_state state, void *data)
{
struct ofono_modem *modem = data;
struct isi_data *isi = ofono_modem_get_data(modem);
DBG("power state %s", gpio_power_state_name(state));
isi->power_state = state;
if (state == POWER_STATE_OFF_STARTED)
mtc_power_off(isi);
else if (isi->timeout)
g_source_remove(isi->timeout);
if (state == POWER_STATE_ON)
g_isi_client_verify(isi->client, mtc_reachable_cb, modem, NULL);
else if (isi->enabled)
/* If enabled, report modem crash */
set_power_by_mtc_state(modem, isi, MTC_STATE_NONE);
else if (state == POWER_STATE_OFF || state == POWER_STATE_ON_FAILED)
/* If being disabled, report powered off only when safe */
report_powered(modem, isi, 0);
else
isi->mtc_state = MTC_STATE_NONE;
}
static int n900_probe(struct ofono_modem *modem)
{
char const *ifname = ofono_modem_get_string(modem, "Interface");
unsigned address = ofono_modem_get_integer(modem, "Address");
struct isi_data *isi = NULL;
GIsiModem *isimodem;
GIsiClient *client;
if (!ifname)
return -EINVAL;
DBG("(%p) with %s", modem, ifname);
isimodem = g_isi_modem_create_by_name(ifname);
if (isimodem == NULL) {
DBG("Interface=%s: %s", ifname, strerror(errno));
return -errno;
}
g_isi_modem_set_userdata(isimodem, modem);
g_isi_modem_set_flags(isimodem, GISI_MODEM_FLAG_USE_LEGACY_SUBSCRIBE);
if (getenv("OFONO_ISI_DEBUG"))
g_isi_modem_set_debug(isimodem, ofono_debug);
if (getenv("OFONO_ISI_TRACE"))
g_isi_modem_set_trace(isimodem, isi_trace);
if (gpio_probe(isimodem, address, n900_power_cb, modem) != 0) {
DBG("gpio for %s: %s", ifname, strerror(errno));
goto error;
}
isi = g_try_new0(struct isi_data, 1);
if (isi == NULL) {
errno = ENOMEM;
goto error;
}
client = g_isi_client_create(isimodem, PN_MTC);
if (!client)
goto error;
isi->modem = isimodem;
isi->ifname = ifname;
isi->client = client;
ofono_modem_set_data(modem, isi);
return 0;
error:
g_isi_modem_destroy(isimodem);
gpio_remove(modem);
g_free(isi);
return -errno;
}
static void n900_remove(struct ofono_modem *modem)
{
struct isi_data *isi = ofono_modem_get_data(modem);
ofono_modem_set_data(modem, NULL);
if (!isi)
return;
gpio_remove(modem);
if (isi->timeout)
g_source_remove(isi->timeout);
g_isi_client_destroy(isi->client);
g_isi_modem_destroy(isi->modem);
g_free(isi);
}
static void mtc_state_cb(const GIsiMessage *msg, void *data)
{
struct isi_cb_data *cbd = data;
struct ofono_modem *modem = cbd->user;
ofono_modem_online_cb_t cb = cbd->cb;
struct isi_data *isi = ofono_modem_get_data(modem);
uint8_t cause;
if (!check_response_status(msg, MTC_STATE_RESP))
goto error;
if (!g_isi_msg_data_get_byte(msg, 0, &cause))
goto error;
DBG("MTC cause: %s (0x%02X)", mtc_isi_cause_name(cause), cause);
if (cause == MTC_OK) {
isi->online_cbd = cbd;
return;
}
if (cause == MTC_ALREADY_ACTIVE) {
CALLBACK_WITH_SUCCESS(cb, cbd->data);
g_free(cbd);
return;
}
error:
CALLBACK_WITH_FAILURE(cb, cbd->data);
g_free(cbd);
}
static void n900_set_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);
struct isi_cb_data *cbd = isi_cb_data_new(modem, cb, data);
const uint8_t req[] = {
MTC_STATE_REQ,
online ? MTC_NORMAL : MTC_RF_INACTIVE, 0
};
DBG("(%p) with %s", modem, isi->ifname);
if (cbd == NULL || isi == NULL)
goto error;
if (isi->power_state != POWER_STATE_ON)
goto error;
if (isi->mtc_state == MTC_SELFTEST_FAIL)
goto error;
if (g_isi_client_send_with_timeout(isi->client, req, sizeof(req),
MTC_STATE_REQ_TIMEOUT,
mtc_state_cb, cbd, NULL)) {
isi->online = online;
return;
}
error:
CALLBACK_WITH_FAILURE(cb, data);
g_free(cbd);
}
static void n900_pre_sim(struct ofono_modem *modem)
{
struct isi_data *isi = ofono_modem_get_data(modem);
DBG("(%p) with %s", modem, isi->ifname);
isi->infoserver = isi_infoserver_create(modem, isi->modem);
ofono_sim_create(modem, 0, "isimodem", isi->modem);
ofono_devinfo_create(modem, 0, "isimodem", isi->modem);
ofono_voicecall_create(modem, 0, "isimodem", isi->modem);
ofono_audio_settings_create(modem, 0, "isimodem", isi->modem);
}
static void n900_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(modem, 0, "isimodem", isi->modem);
ofono_call_forwarding_create(modem, 0, "isimodem", isi->modem);
ofono_radio_settings_create(modem, 0, "isimodem", isi->modem);
}
static void n900_post_online(struct ofono_modem *modem)
{
struct isi_data *isi = ofono_modem_get_data(modem);
DBG("(%p) with %s", modem, isi->ifname);
ofono_netreg_create(modem, 0, "isimodem", isi->modem);
ofono_sms_create(modem, 0, "isimodem", isi->modem);
ofono_cbs_create(modem, 0, "isimodem", isi->modem);
ofono_ussd_create(modem, 0, "isimodem", isi->modem);
ofono_call_settings_create(modem, 0, "isimodem", isi->modem);
ofono_call_barring_create(modem, 0, "isimodem", isi->modem);
ofono_call_meter_create(modem, 0, "isimodem", isi->modem);
ofono_gprs_create(modem, 0, "isimodem", isi->modem);
}
static int n900_enable(struct ofono_modem *modem)
{
struct isi_data *isi = ofono_modem_get_data(modem);
DBG("modem=%p with %p", modem, isi ? isi->ifname : NULL);
isi->enabled = TRUE;
return gpio_enable(modem);
}
static int n900_disable(struct ofono_modem *modem)
{
struct isi_data *isi = ofono_modem_get_data(modem);
DBG("modem=%p with %p", modem, isi ? isi->ifname : NULL);
isi->enabled = FALSE;
return gpio_disable(modem);
}
static struct ofono_modem_driver n900_driver = {
.name = "n900",
.probe = n900_probe,
.remove = n900_remove,
.enable = n900_enable,
.disable = n900_disable,
.set_online = n900_set_online,
.pre_sim = n900_pre_sim,
.post_sim = n900_post_sim,
.post_online = n900_post_online,
};
static int n900_init(void)
{
return ofono_modem_driver_register(&n900_driver);
}
static void n900_exit(void)
{
ofono_modem_driver_unregister(&n900_driver);
}
OFONO_PLUGIN_DEFINE(n900, "Nokia N900 modem driver", VERSION,
OFONO_PLUGIN_PRIORITY_DEFAULT, n900_init, n900_exit)