calypso: Add a Calypso STK driver

3 files changed, 284 insertions, 0 deletions

diff --git a/drivers/calypsomodem/calypsomodem.c b/drivers/calypsomodem/calypsomodem.c
index 8cd213ea..2ae436a1 100644
--- a/drivers/calypsomodem/calypsomodem.c
+++ b/drivers/calypsomodem/calypsomodem.c
@@ -35,12 +35,14 @@
 static int calypsomodem_init(void)
 {
 	calypso_voicecall_init();
+	calypso_stk_init();
 
 	return 0;
 }
 
 static void calypsomodem_exit(void)
 {
+	calypso_stk_exit();
 	calypso_voicecall_exit();
 }
 
diff --git a/drivers/calypsomodem/calypsomodem.h b/drivers/calypsomodem/calypsomodem.h
index 80af1340..2afc6c3d 100644
--- a/drivers/calypsomodem/calypsomodem.h
+++ b/drivers/calypsomodem/calypsomodem.h
@@ -20,6 +20,11 @@
  */
 
 #include <drivers/atmodem/atutil.h>
+#include <modem.h>
+#include <stk.h>
 
 extern void calypso_voicecall_init();
 extern void calypso_voicecall_exit();
+
+extern void calypso_stk_init();
+extern void calypso_stk_exit();
diff --git a/drivers/calypsomodem/stk.c b/drivers/calypsomodem/stk.c
new file mode 100644
index 00000000..67472dad
--- /dev/null
+++ b/drivers/calypsomodem/stk.c
@@ -0,0 +1,277 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2010  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 <config.h>
+#endif
+
+#define _GNU_SOURCE
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <glib.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/stk.h>
+
+#include "gatchat.h"
+#include "gatresult.h"
+
+#include "calypsomodem.h"
+
+struct stk_data {
+	GAtChat *chat;
+};
+
+static const char *sate_prefix[] = { "%SATE:", NULL };
+static const char *none_prefix[] = { NULL };
+
+static void calypso_sate_cb(gboolean ok, GAtResult *result,
+				gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_stk_envelope_cb_t cb = cbd->cb;
+	GAtResultIter iter;
+	struct ofono_error error;
+	const guint8 *pdu = { 0 };
+	gint len = 0;
+
+	decode_at_error(&error, g_at_result_final_response(result));
+
+	/*
+	 * Ignore errors "SIM memory failure" and "Unknown error", seem
+	 * to be generated for no reason.
+	 */
+	if (!ok && error.type == OFONO_ERROR_TYPE_CMS && error.error == 320) {
+		ok = TRUE;
+		error.type = OFONO_ERROR_TYPE_NO_ERROR;
+	}
+	if (!ok && error.type == OFONO_ERROR_TYPE_CME && error.error == 100) {
+		ok = TRUE;
+		error.type = OFONO_ERROR_TYPE_NO_ERROR;
+	}
+
+	if (!ok) {
+		cb(&error, NULL, 0, cbd->data);
+		return;
+	}
+
+	g_at_result_iter_init(&iter, result);
+
+	if (g_at_result_iter_next(&iter, "%SATE:"))
+		if (g_at_result_iter_next_hexstring(&iter, &pdu, &len) == FALSE)
+			goto error;
+
+	cb(&error, pdu, len, cbd->data);
+	return;
+
+error:
+	CALLBACK_WITH_FAILURE(cb, NULL, 0, cbd->data);
+}
+
+static void calypso_stk_envelope(struct ofono_stk *stk, int length,
+				const unsigned char *command,
+				ofono_stk_envelope_cb_t cb, void *data)
+{
+	struct stk_data *sd = ofono_stk_get_data(stk);
+	struct cb_data *cbd = cb_data_new(cb, data);
+	char *buf = g_try_new(char, 64 + length * 2);
+	int len, ret;
+
+	if (!cbd || !buf)
+		goto error;
+
+	len = sprintf(buf, "AT%%SATE=\"");
+	for (; length; length--)
+		len += sprintf(buf + len, "%02hhX", *command++);
+	len += sprintf(buf + len, "\"");
+
+	ret = g_at_chat_send(sd->chat, buf, sate_prefix,
+				calypso_sate_cb, cbd, g_free);
+
+	g_free(buf);
+	buf = NULL;
+
+	if (ret > 0)
+		return;
+
+error:
+	g_free(buf);
+	g_free(cbd);
+
+	CALLBACK_WITH_FAILURE(cb, NULL, 0, data);
+}
+
+static void calypso_satr_cb(gboolean ok, GAtResult *result,
+				gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_stk_generic_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 calypso_stk_terminal_response(struct ofono_stk *stk, int length,
+				const unsigned char *command,
+				ofono_stk_generic_cb_t cb, void *data)
+{
+	struct stk_data *sd = ofono_stk_get_data(stk);
+	struct cb_data *cbd = cb_data_new(cb, data);
+	char *buf = g_try_new(char, 64 + length * 2);
+	int len, ret;
+
+	if (!cbd || !buf)
+		goto error;
+
+	len = sprintf(buf, "AT%%SATR=\"");
+	for (; length; length--)
+		len += sprintf(buf + len, "%02hhX", *command++);
+	len += sprintf(buf + len, "\"");
+
+	ret = g_at_chat_send(sd->chat, buf, none_prefix,
+				calypso_satr_cb, cbd, g_free);
+
+	g_free(buf);
+	buf = NULL;
+
+	if (ret > 0)
+		return;
+
+error:
+	g_free(buf);
+	g_free(cbd);
+
+	CALLBACK_WITH_FAILURE(cb, data);
+}
+
+static void sati_notify(GAtResult *result, gpointer user_data)
+{
+	struct ofono_stk *stk = user_data;
+	GAtResultIter iter;
+	const guint8 *pdu;
+	gint len;
+	gboolean ret;
+
+	g_at_result_iter_init(&iter, result);
+
+	if (!g_at_result_iter_next(&iter, "%SATI:"))
+		return;
+
+	ret = g_at_result_iter_next_hexstring(&iter, &pdu, &len);
+	if (!ret || len == 0) {
+		/*
+		 * An empty notification is a End Session notification on
+		 * the part of the UICC.
+		 */
+		ofono_stk_proactive_session_end_notify(stk);
+
+		return;
+	}
+
+	ofono_stk_proactive_command_notify(stk, len, pdu);
+}
+
+static void sata_notify(GAtResult *result, gpointer user_data)
+{
+	/* TODO: Pending call alert */
+}
+
+static void satn_notify(GAtResult *result, gpointer user_data)
+{
+	/*
+	 * Proactive command has been handled by the modem.  Should
+	 * the core be notified?  For now we just ignore it because
+	 * we must not respond to the command.
+	 */
+}
+
+static void calypso_stk_register(gboolean ok,
+		GAtResult *result, gpointer user_data)
+{
+	struct ofono_stk *stk = user_data;
+	struct stk_data *sd = ofono_stk_get_data(stk);
+
+	if (!ok)
+		return;
+
+	g_at_chat_register(sd->chat, "%SATI:", sati_notify, FALSE, stk, NULL);
+	g_at_chat_register(sd->chat, "%SATA:", sata_notify, FALSE, stk, NULL);
+	g_at_chat_register(sd->chat, "%SATN:", satn_notify, FALSE, stk, NULL);
+
+	ofono_stk_register(stk);
+}
+
+static int calypso_stk_probe(struct ofono_stk *stk,
+		unsigned int vendor, void *data)
+{
+	GAtChat *chat = data;
+	struct stk_data *sd;
+
+	sd = g_new0(struct stk_data, 1);
+	sd->chat = chat;
+
+	ofono_stk_set_data(stk, sd);
+
+	/*
+	 * Provide terminal profile data needed for the download and
+	 * enable %SATI / %SATN.  The actual PROFILE DOWNLOAD will
+	 * happen during AT+CFUN=1 later.
+	 */
+	g_at_chat_send(sd->chat, "AT%SATC=1,\"19E1FFFF0000FF7FFF03FEFF\"",
+			none_prefix, NULL, stk, NULL);
+
+	/* Enable Call Control / SMS Control */
+	g_at_chat_send(sd->chat, "AT%SATCC=1",
+			none_prefix, calypso_stk_register, stk, NULL);
+
+	return 0;
+}
+
+static void calypso_stk_remove(struct ofono_stk *stk)
+{
+	struct stk_data *sd = ofono_stk_get_data(stk);
+
+	ofono_stk_set_data(stk, NULL);
+
+	g_free(sd);
+}
+
+static struct ofono_stk_driver driver = {
+	.name			= "calypsomodem",
+	.probe			= calypso_stk_probe,
+	.remove			= calypso_stk_remove,
+	.envelope		= calypso_stk_envelope,
+	.terminal_response	= calypso_stk_terminal_response,
+};
+
+void calypso_stk_init()
+{
+	ofono_stk_driver_register(&driver);
+}
+
+void calypso_stk_exit()
+{
+	ofono_stk_driver_unregister(&driver);
+}