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/*
* oFono - Open Source Telephony
*
* Copyright (C) 2008-2009 Intel Corporation. All rights reserved.
* Copyright (C) 2009 Collabora Ltd. 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 <config.h>
#endif
#include <stdlib.h>
#include <errno.h>
#include <glib.h>
#include <gatchat.h>
#define OFONO_API_SUBJECT_TO_CHANGE
#include <ofono/plugin.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/call-barring.h>
#include <ofono/call-forwarding.h>
#include <ofono/call-meter.h>
#include <ofono/call-settings.h>
#include <ofono/devinfo.h>
#include <ofono/message-waiting.h>
#include <ofono/netreg.h>
#include <ofono/phonebook.h>
#include <ofono/sim.h>
#include <ofono/sms.h>
#include <ofono/ssn.h>
#include <ofono/ussd.h>
#include <ofono/voicecall.h>
#include <drivers/atmodem/vendor.h>
/* Supply our own syntax parser */
enum G1_STATE_ {
G1_STATE_IDLE = 0,
G1_STATE_RESPONSE,
G1_STATE_GUESS_PDU,
G1_STATE_PDU,
G1_STATE_PROMPT,
};
static void g1_hint(GAtSyntax *syntax, GAtSyntaxExpectHint hint)
{
if (hint == G_AT_SYNTAX_EXPECT_PDU)
syntax->state = G1_STATE_GUESS_PDU;
}
static GAtSyntaxResult g1_feed(GAtSyntax *syntax,
const char *bytes, gsize *len)
{
gsize i = 0;
GAtSyntaxResult res = G_AT_SYNTAX_RESULT_UNSURE;
while (i < *len) {
char byte = bytes[i];
switch (syntax->state) {
case G1_STATE_IDLE:
if (byte == '\r' || byte == '\n')
/* ignore */;
else if (byte == '>')
syntax->state = G1_STATE_PROMPT;
else
syntax->state = G1_STATE_RESPONSE;
break;
case G1_STATE_RESPONSE:
if (byte == '\r') {
syntax->state = G1_STATE_IDLE;
i += 1;
res = G_AT_SYNTAX_RESULT_LINE;
goto out;
}
break;
case G1_STATE_GUESS_PDU:
/* keep going until we find a LF that leads the PDU */
if (byte == '\n')
syntax->state = G1_STATE_PDU;
break;
case G1_STATE_PDU:
if (byte == '\r') {
syntax->state = G1_STATE_IDLE;
i += 1;
res = G_AT_SYNTAX_RESULT_PDU;
goto out;
}
break;
case G1_STATE_PROMPT:
if (byte == ' ') {
syntax->state = G1_STATE_IDLE;
i += 1;
res = G_AT_SYNTAX_RESULT_PROMPT;
goto out;
}
syntax->state = G1_STATE_RESPONSE;
return G_AT_SYNTAX_RESULT_UNSURE;
default:
break;
};
i += 1;
}
out:
*len = i;
return res;
}
static void g1_debug(const char *str, void *data)
{
DBG("%s", str);
}
/* Detect hardware, and initialize if found */
static int g1_probe(struct ofono_modem *modem)
{
GAtSyntax *syntax;
GAtChat *chat;
DBG("");
syntax = g_at_syntax_new_full(g1_feed, g1_hint, G1_STATE_IDLE);
chat = g_at_chat_new_from_tty("/dev/smd0", syntax);
g_at_syntax_unref(syntax);
if (chat == NULL)
return -EIO;
if (getenv("OFONO_AT_DEBUG") != NULL)
g_at_chat_set_debug(chat, g1_debug, NULL);
ofono_modem_set_data(modem, chat);
return 0;
}
static void g1_remove(struct ofono_modem *modem)
{
GAtChat *chat = ofono_modem_get_data(modem);
DBG("");
ofono_modem_set_data(modem, NULL);
g_at_chat_unref(chat);
}
static void cfun_set_on_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_modem *modem = user_data;
DBG("");
if (ok)
ofono_modem_set_powered(modem, TRUE);
}
/* power up hardware */
static int g1_enable(struct ofono_modem *modem)
{
GAtChat *chat = ofono_modem_get_data(modem);
DBG("");
/* ensure modem is in a known state; verbose on, echo/quiet off */
g_at_chat_send(chat, "ATE0Q0V1", NULL, NULL, NULL, NULL);
/* power up modem */
g_at_chat_send(chat, "AT+CFUN=1", NULL, cfun_set_on_cb, modem, NULL);
return 0;
}
static void cfun_set_off_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_modem *modem = user_data;
DBG("");
if (ok)
ofono_modem_set_powered(modem, FALSE);
}
static int g1_disable(struct ofono_modem *modem)
{
GAtChat *chat = ofono_modem_get_data(modem);
DBG("");
/* power down modem */
g_at_chat_send(chat, "AT+CFUN=0", NULL, cfun_set_off_cb, modem, NULL);
return 0;
}
static void g1_populate(struct ofono_modem *modem)
{
GAtChat *chat = ofono_modem_get_data(modem);
struct ofono_message_waiting *mw;
DBG("");
ofono_devinfo_create(modem, 0, "atmodem", chat);
ofono_ussd_create(modem, 0, "atmodem", chat);
ofono_sim_create(modem, 0, "atmodem", chat);
ofono_call_forwarding_create(modem, 0, "atmodem", chat);
ofono_call_settings_create(modem, 0, "atmodem", chat);
ofono_netreg_create(modem, 0, "atmodem", chat);
ofono_voicecall_create(modem, 0, "atmodem", chat);
ofono_call_meter_create(modem, 0, "atmodem", chat);
ofono_call_barring_create(modem, 0, "atmodem", chat);
ofono_ssn_create(modem, 0, "atmodem", chat);
ofono_sms_create(modem, OFONO_VENDOR_HTC_G1, "atmodem", chat);
ofono_phonebook_create(modem, 0, "atmodem", chat);
mw = ofono_message_waiting_create(modem);
if (mw)
ofono_message_waiting_register(mw);
}
static struct ofono_modem_driver g1_driver = {
.name = "g1",
.probe = g1_probe,
.remove = g1_remove,
.enable = g1_enable,
.disable = g1_disable,
.populate = g1_populate,
};
static int g1_init(void)
{
return ofono_modem_driver_register(&g1_driver);
}
static void g1_exit(void)
{
ofono_modem_driver_unregister(&g1_driver);
}
OFONO_PLUGIN_DEFINE(g1, "HTC G1 modem driver", VERSION,
OFONO_PLUGIN_PRIORITY_DEFAULT,
g1_init, g1_exit)
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