diff options
Diffstat (limited to 'drivers/hfpmodem/call-volume.c')
| -rw-r--r-- | drivers/hfpmodem/call-volume.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/drivers/hfpmodem/call-volume.c b/drivers/hfpmodem/call-volume.c new file mode 100644 index 00000000..a7ceb328 --- /dev/null +++ b/drivers/hfpmodem/call-volume.c @@ -0,0 +1,241 @@ +/* + * + * 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); +} + |