--- /dev/null
+/*
+ *
+ * oFono - Open Source Telephony
+ *
+ * Copyright (C) 2008-2009 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 <errno.h>
+#include <unistd.h>
+
+#include <glib.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/call-volume.h>
+
+#include "gatchat.h"
+#include "gatresult.h"
+
+#include "hfpmodem.h"
+
+#define HFP_CALL_VOLUME_MAX 15
+
+static const char *vgs_prefix[] = { "+VGS:", NULL };
+static const char *vgm_prefix[] = { "+VGM:", NULL };
+
+struct cv_data {
+ GAtChat *chat;
+ unsigned char sp_volume;
+ unsigned char mic_volume;
+};
+
+static void cv_generic_set_cb(gboolean ok, GAtResult *result,
+ gpointer user_data)
+{
+ struct cb_data *cbd = user_data;
+ ofono_call_volume_cb_t cb = cbd->cb;
+ struct ofono_error error;
+
+ dump_response("generic_set_cb", ok, result);
+ decode_at_error(&error, g_at_result_final_response(result));
+
+ cb(&error, cbd->data);
+}
+
+static void hfp_speaker_volume(struct ofono_call_volume *cv,
+ unsigned char percent,
+ ofono_call_volume_cb_t cb,
+ void *data)
+{
+ struct cv_data *vd = ofono_call_volume_get_data(data);
+ struct cb_data *cbd = cb_data_new(cb, data);
+ char buf[64];
+
+ if (!cbd)
+ goto error;
+
+ vd->sp_volume = percent;
+
+ snprintf(buf, sizeof(buf), "AT+VGS=%d",
+ (int)(percent*HFP_CALL_VOLUME_MAX/100));
+
+ if (g_at_chat_send(vd->chat, buf, vgs_prefix,
+ cv_generic_set_cb, cbd, g_free) > 0)
+ return;
+
+error:
+ if (cbd)
+ g_free(cbd);
+
+ CALLBACK_WITH_FAILURE(cb, data);
+}
+
+static void hfp_microphone_volume(struct ofono_call_volume *cv,
+ unsigned char percent,
+ ofono_call_volume_cb_t cb,
+ void *data)
+{
+ struct cv_data *vd = ofono_call_volume_get_data(data);
+ struct cb_data *cbd = cb_data_new(cb, data);
+ char buf[64];
+
+ if (!cbd)
+ goto error;
+
+ vd->mic_volume = percent;
+
+ snprintf(buf, sizeof(buf), "AT+VGM=%d",
+ (int)(percent*HFP_CALL_VOLUME_MAX/100));
+
+ if (g_at_chat_send(vd->chat, buf, vgm_prefix,
+ cv_generic_set_cb, cbd, g_free) > 0)
+ return;
+
+error:
+ if (cbd)
+ g_free(cbd);
+
+ CALLBACK_WITH_FAILURE(cb, data);
+}
+
+static void vgs_notify(GAtResult *result, gpointer user_data)
+{
+ struct ofono_call_volume *cv = user_data;
+ struct cv_data *vd = ofono_call_volume_get_data(cv);
+ GAtResultIter iter;
+ gint value;
+
+ g_at_result_iter_init(&iter, result);
+
+ if (!g_at_result_iter_next(&iter, "+VGS:"))
+ return;
+
+ if (!g_at_result_iter_next_number(&iter, &value))
+ return;
+
+ vd->sp_volume = (unsigned char)(value*100/HFP_CALL_VOLUME_MAX);
+ ofono_call_volume_set_speaker_volume(cv, vd->sp_volume);
+}
+
+static void vgm_notify(GAtResult *result, gpointer user_data)
+{
+ struct ofono_call_volume *cv = user_data;
+ struct cv_data *vd = ofono_call_volume_get_data(cv);
+ GAtResultIter iter;
+ gint value;
+
+ g_at_result_iter_init(&iter, result);
+
+ if (!g_at_result_iter_next(&iter, "+VGM:"))
+ return;
+
+ if (!g_at_result_iter_next_number(&iter, &value))
+ return;
+
+ vd->mic_volume = (unsigned char)(value*100/HFP_CALL_VOLUME_MAX);
+ ofono_call_volume_set_microphone_volume(cv, vd->mic_volume);
+}
+
+static void sync_speaker_volume_cb(const struct ofono_error *error,
+ void *user_data)
+{
+ struct ofono_call_volume *cv = user_data;
+ struct cv_data *vd = ofono_call_volume_get_data(cv);
+
+ ofono_call_volume_set_speaker_volume(cv, vd->sp_volume);
+}
+
+static void sync_microphone_volume_cb(const struct ofono_error *error,
+ void *user_data)
+{
+ struct ofono_call_volume *cv = user_data;
+ struct cv_data *vd = ofono_call_volume_get_data(cv);
+
+ ofono_call_volume_set_microphone_volume(cv, vd->mic_volume);
+}
+
+static void hfp_call_volume_initialized(gpointer user_data)
+{
+ struct ofono_call_volume *cv = user_data;
+ struct cv_data *vd = ofono_call_volume_get_data(cv);
+
+ DBG("");
+
+ g_at_chat_register(vd->chat, "+VGS:", vgs_notify, FALSE, cv, NULL);
+ g_at_chat_register(vd->chat, "+VGM:", vgm_notify, FALSE, cv, NULL);
+
+ ofono_call_volume_register(cv);
+
+ /* set sp and mic volume at 50 percents by default */
+ hfp_speaker_volume(cv, 50, sync_speaker_volume_cb, cv);
+ hfp_microphone_volume(cv, 50, sync_microphone_volume_cb, cv);
+}
+
+static int hfp_call_volume_probe(struct ofono_call_volume *cv,
+ unsigned int vendor, void *data)
+{
+ struct hfp_data *d = data;
+ struct cv_data *vd;
+
+ DBG("");
+ vd = g_new0(struct cv_data, 1);
+ vd->chat = d->chat;
+
+ ofono_call_volume_set_data(cv, vd);
+
+ hfp_call_volume_initialized(cv);
+
+ return 0;
+}
+
+static void hfp_call_volume_remove(struct ofono_call_volume *cv)
+{
+ struct cv_data *vd = ofono_call_volume_get_data(cv);
+
+ ofono_call_volume_set_data(cv, NULL);
+
+ g_free(vd);
+}
+
+static struct ofono_call_volume_driver driver = {
+ .name = "hfpmodem",
+ .probe = hfp_call_volume_probe,
+ .remove = hfp_call_volume_remove,
+ .speaker_volume = hfp_speaker_volume,
+ .microphone_volume = hfp_microphone_volume,
+ .mute = NULL,
+};
+
+void hfp_call_volume_init()
+{
+ ofono_call_volume_driver_register(&driver);
+}
+
+void hfp_call_volume_exit()
+{
+ ofono_call_volume_driver_unregister(&driver);
+}
+