src/mm_radio_priv_hal.c

   1 /*
   2  * mm_radio_priv_hal.c
   3  *
   4  * Copyright (c) 2016 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 /*===========================================================================================
  21 |                                                                                                                                                                                       |
  22 |  INCLUDE FILES                                                                                                                                                        |
  23 |                                                                                                                                                                                       |
  24 ========================================================================================== */
  25 #include <stdbool.h>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <math.h>
  30 #include <float.h>
  31 #include <fcntl.h>
  32 #include <sys/ioctl.h>
  33 #include <unistd.h>
  34 #include <errno.h>
  35
  36 #include <mm_error.h>
  37 #include <mm_message.h>
  38 #include <mm_sound.h>
  39
  40 #include "mm_radio_priv_hal.h"
  41
  42 /*===========================================================================================
  43   LOCAL DEFINITIONS AND DECLARATIONS FOR MODULE
  44 ========================================================================================== */
  45 /*---------------------------------------------------------------------------
  46     GLOBAL CONSTANT DEFINITIONS:
  47 ---------------------------------------------------------------------------*/
  48
  49 /*---------------------------------------------------------------------------
  50     IMPORTED VARIABLE DECLARATIONS:
  51 ---------------------------------------------------------------------------*/
  52
  53 /*---------------------------------------------------------------------------
  54     IMPORTED FUNCTION DECLARATIONS:
  55 ---------------------------------------------------------------------------*/
  56
  57 /*---------------------------------------------------------------------------
  58     LOCAL #defines:
  59 ---------------------------------------------------------------------------*/
  60 #define DEFAULT_DEVICE                          "/dev/radio0"
  61 #define TUNER_INDEX                             0
  62
  63 #define DEFAULT_FREQ                            107700
  64
  65 #define FREQ_FRAC                               16
  66 #define RADIO_FREQ_FORMAT_SET(x_freq)           ((x_freq) * FREQ_FRAC)
  67 #define RADIO_FREQ_FORMAT_GET(x_freq)           ((x_freq) / FREQ_FRAC)
  68 /* If non-zero, wrap around when at the end of the frequency range, else stop seeking */
  69 #define DEFAULT_WRAP_AROUND             1
  70
  71 #define RADIO_DEFAULT_REGION    MM_RADIO_REGION_GROUP_USA
  72 #define READ_MAX_BUFFER_SIZE    1024
  73 #define DEFAULT_MAX_MEDIA_VOLUME        15
  74 /*---------------------------------------------------------------------------
  75     LOCAL CONSTANT DEFINITIONS:
  76 ---------------------------------------------------------------------------*/
  77
  78 /*---------------------------------------------------------------------------
  79     LOCAL DATA TYPE DEFINITIONS:
  80 ---------------------------------------------------------------------------*/
  81
  82 /*---------------------------------------------------------------------------
  83     GLOBAL VARIABLE DEFINITIONS:
  84 ---------------------------------------------------------------------------*/
  85 extern int errno;
  86
  87 /*---------------------------------------------------------------------------
  88     LOCAL VARIABLE DEFINITIONS:
  89 ---------------------------------------------------------------------------*/
  90 /* radio region configuration table */
  91 static const MMRadioRegion_t region_table[] = {
  92         {                                                       /* Notrh America, South America, South Korea, Taiwan, Australia */
  93          MM_RADIO_REGION_GROUP_USA,     /* region type */
  94          MM_RADIO_DEEMPHASIS_75_US,     /* de-emphasis */
  95          MM_RADIO_FREQ_MIN_87500_KHZ,   /* min freq. */
  96          MM_RADIO_FREQ_MAX_108000_KHZ,  /* max freq. */
  97          50,
  98          },
  99         {                                                       /* China, Europe, Africa, Middle East, Hong Kong, India, Indonesia, Russia, Singapore */
 100          MM_RADIO_REGION_GROUP_EUROPE,
 101          MM_RADIO_DEEMPHASIS_50_US,
 102          MM_RADIO_FREQ_MIN_87500_KHZ,
 103          MM_RADIO_FREQ_MAX_108000_KHZ,
 104          50,
 105          },
 106         {
 107          MM_RADIO_REGION_GROUP_JAPAN,
 108          MM_RADIO_DEEMPHASIS_50_US,
 109          MM_RADIO_FREQ_MIN_76100_KHZ,
 110          MM_RADIO_FREQ_MAX_89900_KHZ,
 111          50,
 112          },
 113 };
 114
 115 /*---------------------------------------------------------------------------
 116     LOCAL FUNCTION PROTOTYPES:
 117 ---------------------------------------------------------------------------*/
 118 static bool __mmradio_post_message(mm_radio_t *radio, enum MMMessageType msgtype, MMMessageParamType *param);
 119 static int __mmradio_check_state(mm_radio_t *radio, MMRadioCommand command);
 120 static int __mmradio_get_state(mm_radio_t *radio);
 121 static bool __mmradio_set_state(mm_radio_t *radio, int new_state);
 122 void _mmradio_seek_cancel(mm_radio_t *radio);
 123 static void __mmradio_seek_thread(mm_radio_t *radio);
 124 static void __mmradio_scan_thread(mm_radio_t *radio);
 125 static bool __is_tunable_frequency(mm_radio_t *radio, int freq);
 126
 127 #ifdef TIZEN_FEATURE_SOUND_FOCUS
 128 static void __mmradio_sound_focus_cb(int id, mm_sound_focus_type_e focus_type,
 129         mm_sound_focus_state_e focus_state, const char *reason_for_change, int option,
 130         const char *additional_info, void *user_data);
 131 static void __mmradio_sound_focus_watch_cb(int id, mm_sound_focus_type_e focus_type,
 132         mm_sound_focus_state_e focus_state, const char *reason_for_change,
 133         const char *additional_info, void *user_data);
 134 #endif
 135
 136 static void __mmradio_volume_changed_cb(volume_type_t type, unsigned int volume, void *user_data);
 137 static int __mmradio_set_media_volume(mm_radio_t *radio, unsigned int level);
 138
 139 int _mmradio_apply_region(mm_radio_t *radio, MMRadioRegionType region, bool update)
 140 {
 141         int ret = MM_ERROR_NONE;
 142         int count = 0;
 143         int index = 0;
 144
 145         MMRADIO_LOG_FENTER();
 146
 147         MMRADIO_CHECK_INSTANCE(radio);
 148         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_SET_REGION);
 149
 150         /* if needed, radio region must be updated.
 151          * Otherwise, just applying settings to device without it.
 152          */
 153         if (update) {
 154                 count = ARRAY_SIZE(region_table);
 155
 156                 /* TODO: if auto is supported...get the region info. here */
 157
 158                 /* update radio region settings */
 159                 for (index = 0; index < count; index++) {
 160                         /* find the region from pre-defined table */
 161                         if (region_table[index].country == region) {
 162                                 radio->region_setting.country = region_table[index].country;
 163                                 radio->region_setting.deemphasis = region_table[index].deemphasis;
 164                                 radio->region_setting.band_min = region_table[index].band_min;
 165                                 radio->region_setting.band_max = region_table[index].band_max;
 166                                 radio->region_setting.channel_spacing = region_table[index].channel_spacing;
 167                         }
 168                 }
 169         }
 170
 171         MMRADIO_LOG_INFO("setting region - country: %d, de-emphasis: %d, band range: %d ~ %d KHz",
 172                 radio->region_setting.country, radio->region_setting.deemphasis,
 173                 radio->region_setting.band_min, radio->region_setting.band_max);
 174
 175         MMRADIO_LOG_FLEAVE();
 176
 177         return ret;
 178 }
 179
 180 int _mmradio_create_radio(mm_radio_t *radio)
 181 {
 182         int ret = MM_ERROR_NONE;
 183
 184         MMRADIO_LOG_FENTER();
 185
 186         MMRADIO_CHECK_INSTANCE(radio);
 187         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_CREATE);
 188
 189         /* set default value */
 190         radio->freq = DEFAULT_FREQ;
 191 #ifdef TIZEN_FEATURE_SOUND_FOCUS
 192         memset(&radio->sound_focus, 0, sizeof(mm_radio_sound_focus));
 193 #endif
 194         memset(&radio->region_setting, 0, sizeof(MMRadioRegion_t));
 195         radio->local_volume = 1.0;
 196
 197         /* create command lock */
 198         ret = pthread_mutex_init(&radio->cmd_lock, NULL);
 199         if (ret) {
 200                 MMRADIO_LOG_ERROR("mutex creation failed");
 201                 return MM_ERROR_RADIO_INTERNAL;
 202         }
 203
 204         ret = pthread_mutex_init(&radio->volume_lock, NULL);
 205         if (ret) {
 206                 MMRADIO_LOG_ERROR("volume mutex creation failed");
 207                 return MM_ERROR_RADIO_INTERNAL;
 208         }
 209
 210         MMRADIO_SET_STATE(radio, MM_RADIO_STATE_NULL);
 211
 212         /* initialize resource manager */
 213         ret = mmradio_resource_manager_init(&radio->resource_manager, radio);
 214         if (ret) {
 215                 MMRADIO_LOG_ERROR("failed to initialize resource manager\n");
 216                 return MM_ERROR_RADIO_INTERNAL;
 217         }
 218
 219 #ifdef TIZEN_FEATURE_SOUND_FOCUS
 220         ret = mmradio_sound_focus_register(&radio->sound_focus,
 221                 (mm_sound_focus_changed_cb)__mmradio_sound_focus_cb,
 222                 (mm_sound_focus_changed_watch_cb)__mmradio_sound_focus_watch_cb,
 223                 (void *)radio);
 224
 225         if (ret) {
 226                 /* NOTE : we are dealing it as an error since we cannot expect it's behavior */
 227                 MMRADIO_LOG_ERROR("mmradio_audio_focus_register is failed");
 228                 return MM_ERROR_RADIO_INTERNAL;
 229         }
 230 #endif
 231
 232         ret = radio_hal_interface_init(&(radio->hal_inf));
 233         if (ret) {
 234                 MMRADIO_LOG_ERROR("mmradio hal interface init failed");
 235                 return ret;
 236         }
 237
 238         MMRADIO_LOG_FLEAVE();
 239
 240         return MM_ERROR_NONE;
 241 }
 242
 243 int _mmradio_realize(mm_radio_t *radio)
 244 {
 245         int ret = MM_ERROR_NONE;
 246         bool update = false;
 247         int max = 0;
 248         unsigned volume = 0;
 249         MMRadioRegionType region = MM_RADIO_REGION_GROUP_NONE;
 250
 251         MMRADIO_LOG_FENTER();
 252
 253         MMRADIO_CHECK_INSTANCE(radio);
 254         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_REALIZE);
 255
 256         ret = pthread_mutex_init(&radio->seek_cancel_mutex, NULL);
 257         if (ret < 0) {
 258                 MMRADIO_LOG_ERROR("Mutex creation failed %d", ret);
 259                 return MM_ERROR_RADIO_INTERNAL;
 260         }
 261
 262         if (radio->region_setting.country == MM_RADIO_REGION_GROUP_NONE) {
 263                 /* not initialized      yet. set it with default region */
 264                 region = RADIO_DEFAULT_REGION;
 265                 update = true;
 266         } else {
 267                 /* already initialized by application */
 268                 region = radio->region_setting.country;
 269         }
 270
 271         ret = _mmradio_apply_region(radio, region, update);
 272
 273 #ifdef TIZEN_FEATURE_SOUND_VSTREAM
 274         ret = sound_manager_create_stream_information_internal(SOUND_STREAM_TYPE_RADIO, NULL, radio, &radio->stream_info);
 275         if (ret != MM_ERROR_NONE) {
 276                 MMRADIO_LOG_ERROR("sound_manager_create_stream_information_internal error");
 277                 MMRADIO_LOG_FLEAVE();
 278                 return ret;
 279         }
 280         ret = sound_manager_create_virtual_stream(radio->stream_info, &radio->vstream);
 281         if (ret != MM_ERROR_NONE) {
 282                 MMRADIO_LOG_ERROR("sound_manager_create_virtual_stream error");
 283                 MMRADIO_LOG_FLEAVE();
 284                 return ret;
 285         }
 286 #endif
 287
 288         ret = sound_manager_get_max_volume(SOUND_TYPE_MEDIA, &max);
 289         if (ret != MM_ERROR_NONE) {
 290                 MMRADIO_LOG_WARNING("sound_manager_get_max_volume error");
 291                 radio->max_media_volume = DEFAULT_MAX_MEDIA_VOLUME;
 292         } else {
 293                 radio->max_media_volume = max;
 294         }
 295
 296         ret = mm_sound_volume_get_value(VOLUME_TYPE_MEDIA, &volume);
 297
 298         if (ret != MM_ERROR_NONE)
 299                 MMRADIO_LOG_WARNING("failed to get MEDIA_VOLUME");
 300
 301         MMRADIO_VOLUME_LOCK(radio);
 302         radio->media_volume = volume;
 303         MMRADIO_VOLUME_UNLOCK(radio);
 304
 305         ret = mm_sound_add_volume_changed_callback(__mmradio_volume_changed_cb, (void *)radio, &radio->volume_subs_id);
 306         if (ret != MM_ERROR_NONE)
 307                 MMRADIO_LOG_WARNING("mm_sound_add_volume_changed_callback error");
 308
 309         MMRADIO_SET_STATE(radio, MM_RADIO_STATE_READY);
 310
 311         MMRADIO_LOG_FLEAVE();
 312
 313         return MM_ERROR_NONE;
 314 }
 315
 316 int _mmradio_unrealize(mm_radio_t *radio)
 317 {
 318         int ret = MM_ERROR_NONE;
 319
 320         MMRADIO_LOG_FENTER();
 321
 322         MMRADIO_CHECK_INSTANCE(radio);
 323         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_UNREALIZE);
 324
 325         ret = mm_sound_remove_volume_changed_callback(radio->volume_subs_id);
 326         if (ret != MM_ERROR_NONE)
 327                 MMRADIO_LOG_WARNING("mm_sound_remove_volume_changed_callback error");
 328
 329         /*Finish if there are scans*/
 330         _mmradio_stop_scan(radio);
 331
 332         /*Stop radio if started*/
 333         _mmradio_stop(radio);
 334
 335         /* close radio device here !!!! */
 336         radio_hal_close(radio->hal_inf);
 337         radio_hal_unprepare(radio->hal_inf);
 338 #ifdef TIZEN_FEATURE_SOUND_VSTREAM
 339         sound_manager_destroy_virtual_stream(radio->vstream);
 340         sound_manager_destroy_stream_information(radio->stream_info);
 341 #endif
 342
 343         pthread_mutex_destroy(&radio->seek_cancel_mutex);
 344
 345         MMRADIO_SET_STATE(radio, MM_RADIO_STATE_NULL);
 346
 347         MMRADIO_LOG_FLEAVE();
 348
 349         return ret;
 350 }
 351
 352 int _mmradio_destroy(mm_radio_t *radio)
 353 {
 354         int ret = MM_ERROR_NONE;
 355         MMRADIO_LOG_FENTER();
 356
 357         MMRADIO_CHECK_INSTANCE(radio);
 358         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_DESTROY);
 359
 360         _mmradio_unrealize(radio);
 361
 362         ret = radio_hal_interface_deinit(radio->hal_inf);
 363         if (ret) {
 364                 MMRADIO_LOG_ERROR("mmradio hal interface deinit failed");
 365                 return ret;
 366         }
 367
 368         /* destroy command lock */
 369         ret = pthread_mutex_destroy(&radio->cmd_lock);
 370         if (ret) {
 371                 MMRADIO_LOG_ERROR("mutex destroy failed\n");
 372         }
 373
 374         ret = pthread_mutex_destroy(&radio->volume_lock);
 375         if (ret) {
 376                 MMRADIO_LOG_ERROR("volume mutex destroy failed\n");
 377         }
 378
 379 #ifdef TIZEN_FEATURE_SOUND_FOCUS
 380         ret = mmradio_sound_focus_deregister(&radio->sound_focus);
 381         if (ret) {
 382                 MMRADIO_LOG_ERROR("failed to deregister sound focus");
 383                 return MM_ERROR_RADIO_INTERNAL;
 384         }
 385 #endif
 386
 387         ret = mmradio_resource_manager_deinit(&radio->resource_manager);
 388         if (ret) {
 389                 MMRADIO_LOG_ERROR("failed to initialize resource manager\n");
 390                 return MM_ERROR_RADIO_INTERNAL;
 391         }
 392
 393         MMRADIO_LOG_FLEAVE();
 394
 395         return MM_ERROR_NONE;
 396 }
 397
 398 /* unit should be KHz */
 399 int _mmradio_set_frequency(mm_radio_t *radio, int freq)
 400 {
 401         int ret = MM_ERROR_NONE;
 402
 403         MMRADIO_LOG_FENTER();
 404
 405         MMRADIO_CHECK_INSTANCE(radio);
 406         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_SET_FREQ);
 407
 408         MMRADIO_LOG_INFO("Setting %d frequency", freq);
 409
 410         radio->freq = freq;
 411
 412         ret = radio_hal_set_frequency(radio->hal_inf, freq);
 413         if (ret != MM_ERROR_NONE) {
 414                 MMRADIO_LOG_ERROR("radio_hal_set_frequency error");
 415                 MMRADIO_LOG_FLEAVE();
 416                 return ret;
 417         }
 418
 419         MMRADIO_LOG_FLEAVE();
 420
 421         return ret;
 422
 423 }
 424
 425 int _mmradio_get_frequency(mm_radio_t *radio, int *pFreq)
 426 {
 427         int ret = MM_ERROR_NONE;
 428         uint32_t freq = 0;
 429         MMRADIO_LOG_FENTER();
 430
 431         MMRADIO_CHECK_INSTANCE(radio);
 432         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_GET_FREQ);
 433
 434         return_val_if_fail(pFreq, MM_ERROR_INVALID_ARGUMENT);
 435
 436         ret = radio_hal_get_frequency(radio->hal_inf, &freq);
 437         if (ret != MM_ERROR_NONE) {
 438                 MMRADIO_LOG_ERROR("radio_hal_get_frequency error");
 439                 *pFreq = 0;
 440                 return ret;
 441         }
 442
 443         /* update freq in handle */
 444         MMRADIO_LOG_INFO("Updating %d frequency", freq);
 445         radio->freq = freq;
 446
 447         *pFreq = (int)radio->freq;
 448
 449         MMRADIO_LOG_FLEAVE();
 450
 451         return ret;
 452 }
 453
 454 int _mmradio_mute(mm_radio_t *radio)
 455 {
 456         int ret = MM_ERROR_NONE;
 457         MMRADIO_LOG_FENTER();
 458
 459         MMRADIO_CHECK_INSTANCE(radio);
 460         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_MUTE);
 461
 462         ret = radio_hal_mute(radio->hal_inf);
 463         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 464                 MMRADIO_LOG_WARNING("radio_hal_mute is not supported");
 465         } else if (ret != MM_ERROR_NONE) {
 466                 MMRADIO_LOG_ERROR("radio_hal_mute error");
 467                 MMRADIO_LOG_FLEAVE();
 468                 return ret;
 469         }
 470
 471         radio->is_muted = TRUE;
 472         MMRADIO_LOG_INFO("Radio mute state [%d]", radio->is_muted);
 473         MMRADIO_LOG_FLEAVE();
 474
 475         return ret;
 476 }
 477
 478 int _mmradio_unmute(mm_radio_t *radio)
 479 {
 480         int ret = MM_ERROR_NONE;
 481         MMRADIO_LOG_FENTER();
 482
 483         MMRADIO_CHECK_INSTANCE(radio);
 484         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_UNMUTE);
 485
 486         ret = radio_hal_unmute(radio->hal_inf);
 487         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 488                 MMRADIO_LOG_WARNING("radio_hal_unmute is not supported");
 489         } else if (ret != MM_ERROR_NONE) {
 490                 MMRADIO_LOG_ERROR("radio_hal_unmute error");
 491                 MMRADIO_LOG_FLEAVE();
 492                 return ret;
 493         }
 494
 495         radio->is_muted = FALSE;
 496         MMRADIO_LOG_INFO("Radio mute state [%d]", radio->is_muted);
 497         MMRADIO_LOG_FLEAVE();
 498
 499         return ret;
 500 }
 501
 502 int _mmradio_set_message_callback(mm_radio_t *radio, MMMessageCallback callback, void *user_param)
 503 {
 504         MMRADIO_LOG_FENTER();
 505
 506         MMRADIO_CHECK_INSTANCE(radio);
 507
 508         radio->msg_cb = callback;
 509         radio->msg_cb_param = user_param;
 510
 511         MMRADIO_LOG_DEBUG("msg_cb : 0x%x msg_cb_param : 0x%x", callback, user_param);
 512
 513         MMRADIO_LOG_FLEAVE();
 514
 515         return MM_ERROR_NONE;
 516 }
 517
 518 int _mmradio_get_state(mm_radio_t *radio, int *pState)
 519 {
 520         int state = 0;
 521
 522         MMRADIO_LOG_FENTER();
 523
 524         MMRADIO_CHECK_INSTANCE(radio);
 525         return_val_if_fail(pState, MM_ERROR_INVALID_ARGUMENT);
 526
 527         state = __mmradio_get_state(radio);
 528
 529         *pState = state;
 530
 531         MMRADIO_LOG_FLEAVE();
 532
 533         return MM_ERROR_NONE;
 534 }
 535
 536 int _mmradio_start(mm_radio_t *radio)
 537 {
 538         int ret = MM_ERROR_NONE;
 539         unsigned int volume = 0;
 540
 541         MMRADIO_LOG_FENTER();
 542
 543         MMRADIO_CHECK_INSTANCE(radio);
 544         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_START);
 545
 546         MMRADIO_LOG_INFO("now tune to frequency : %d", radio->freq);
 547
 548 #ifdef TIZEN_FEATURE_SOUND_FOCUS
 549         if (radio->sound_focus.handle > 0) {
 550                 ret = mmradio_acquire_sound_focus(&radio->sound_focus);
 551                 if (ret != MM_ERROR_NONE) {
 552                         MMRADIO_LOG_ERROR("failed to set sound focus");
 553                         return ret;
 554                 }
 555         }
 556 #endif
 557
 558         if (!radio->is_ready) {
 559                 ret = mmradio_resource_manager_prepare(&radio->resource_manager, MM_RADIO_RESOURCE_TYPE_RADIO);
 560                 if (ret != MM_ERROR_NONE) {
 561                         MMRADIO_LOG_ERROR("resource manager prepare fail");
 562                         return MM_ERROR_RADIO_INTERNAL;
 563                 }
 564                 ret = mmradio_resource_manager_acquire(&radio->resource_manager);
 565                 if (ret != MM_ERROR_NONE) {
 566                         MMRADIO_LOG_ERROR("failed to acquire resource manager");
 567                         mmradio_resource_manager_unprepare(&radio->resource_manager);
 568                         return ret;
 569                 }
 570                 ret = radio_hal_prepare(radio->hal_inf);
 571                 if (ret == MM_ERROR_NOT_SUPPORT_API) {
 572                         MMRADIO_LOG_WARNING("radio_hal_prepare is not supported");
 573                 } else if (ret != MM_ERROR_NONE) {
 574                         MMRADIO_LOG_ERROR("radio_hal_prepare_device error");
 575                         goto error2;
 576                 }
 577
 578                 ret = radio_hal_open(radio->hal_inf);
 579                 if (ret == MM_ERROR_NOT_SUPPORT_API) {
 580                         MMRADIO_LOG_WARNING("radio_hal_open is not supported");
 581                 } else if (ret != MM_ERROR_NONE) {
 582                         MMRADIO_LOG_ERROR("radio_hal_init error");
 583                         goto error1;
 584                 }
 585                 radio->is_ready = TRUE;
 586         } else {
 587                 MMRADIO_LOG_DEBUG("radio prepared and opened");
 588         }
 589
 590         ret = mm_sound_volume_get_value(VOLUME_TYPE_MEDIA, &volume);
 591         if (ret != MM_ERROR_NONE)
 592                 MMRADIO_LOG_WARNING("failed to get MEDIA_VOLUME");
 593
 594         ret = __mmradio_set_media_volume(radio, volume);
 595         if (ret != MM_ERROR_NONE) {
 596                 MMRADIO_LOG_ERROR("failed to media volume");
 597                 goto error1;
 598         }
 599
 600         ret = radio_hal_start(radio->hal_inf);
 601         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 602                 MMRADIO_LOG_WARNING("radio_hal_start is not supported");
 603         } else if (ret) {
 604                 MMRADIO_LOG_ERROR("failed to radio_hal_start");
 605                 goto error1;
 606         }
 607
 608         /* set stored frequency */
 609         ret = radio_hal_set_frequency(radio->hal_inf, radio->freq);
 610         if (ret) {
 611                 MMRADIO_LOG_ERROR("failed to radio_hal_set_frequency");
 612                 goto error1;
 613         }
 614
 615 #ifdef TIZEN_FEATURE_SOUND_VSTREAM
 616         ret = sound_manager_start_virtual_stream(radio->vstream);
 617         if (ret) {
 618                 MMRADIO_LOG_ERROR("failed to sound_manager_start_virtual_stream");
 619                 goto error;
 620         }
 621 #endif
 622
 623         MMRADIO_SET_STATE(radio, MM_RADIO_STATE_PLAYING);
 624
 625         MMRADIO_LOG_FLEAVE();
 626
 627         return MM_ERROR_NONE;
 628
 629 #ifdef TIZEN_FEATURE_SOUND_VSTREAM
 630 error:
 631         sound_manager_stop_virtual_stream(radio->vstream);
 632 #endif
 633 error1:
 634         radio_hal_close(radio->hal_inf);
 635 error2:
 636         radio_hal_unprepare(radio->hal_inf);
 637         radio->is_ready = FALSE;
 638         return ret;
 639 }
 640
 641 int _mmradio_stop(mm_radio_t *radio)
 642 {
 643         int ret = MM_ERROR_NONE;
 644         mm_radio_resource_state_e resource_state = MM_RADIO_RESOURCE_STATE_NONE;
 645
 646         MMRADIO_LOG_FENTER();
 647
 648         MMRADIO_CHECK_INSTANCE(radio);
 649         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_STOP);
 650
 651         radio->seek_unmute = FALSE;
 652         /*cancel if any seek*/
 653         _mmradio_seek_cancel(radio);
 654 #ifdef TIZEN_FEATURE_SOUND_VSTREAM
 655         ret = sound_manager_stop_virtual_stream(radio->vstream);
 656         if (ret != MM_ERROR_NONE) {
 657                 MMRADIO_LOG_ERROR("failed to stop virtual_stream");
 658                 return ret;
 659         }
 660 #endif
 661
 662         ret = radio_hal_stop(radio->hal_inf);
 663         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 664                 MMRADIO_LOG_WARNING("radio_hal_unmute is not supported");
 665         } else if (ret) {
 666                 MMRADIO_LOG_ERROR("failed to radio_hal_stop");
 667                 return ret;
 668         }
 669
 670         /* close radio device here !!!! */
 671         ret = radio_hal_close(radio->hal_inf);
 672         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 673                 MMRADIO_LOG_WARNING("radio_hal_close is not supported");
 674         } else if (ret != MM_ERROR_NONE) {
 675                 MMRADIO_LOG_ERROR("radio_hal_close_device error");
 676                 return ret;
 677         }
 678
 679         ret = radio_hal_unprepare(radio->hal_inf);
 680         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 681                 MMRADIO_LOG_WARNING("radio_hal_unprepare is not supported");
 682         } else if (ret != MM_ERROR_NONE) {
 683                 MMRADIO_LOG_ERROR("radio_hal_close_device error");
 684                 return ret;
 685         }
 686
 687         radio->is_ready = FALSE;
 688
 689         if (!radio->resource_manager.by_rm_cb && /* is being released */
 690                 mmradio_resource_manager_get_state(&radio->resource_manager, &resource_state) == MM_ERROR_NONE) {
 691                 if (resource_state == MM_RADIO_RESOURCE_STATE_ACQUIRED) {
 692                         ret = mmradio_resource_manager_release(&radio->resource_manager);
 693                         if (ret != MM_ERROR_NONE) {
 694                                 MMRADIO_LOG_ERROR("failed to release resource, ret(0x%x)", ret);
 695                                 return ret;
 696                         }
 697                 }
 698         }
 699
 700         if (mmradio_resource_manager_get_state(&radio->resource_manager, &resource_state) == MM_ERROR_NONE) {
 701                 if (resource_state == MM_RADIO_RESOURCE_STATE_PREPARED) {
 702                         ret = mmradio_resource_manager_unprepare(&radio->resource_manager);
 703                         if (ret != MM_ERROR_NONE)
 704                                 MMRADIO_LOG_ERROR("resource manager unprepare fail");
 705                 }
 706         }
 707
 708 #ifdef TIZEN_FEATURE_SOUND_FOCUS
 709         if (radio->sound_focus.handle > 0) {
 710                 ret = mmradio_release_sound_focus(&radio->sound_focus);
 711                 if (ret) {
 712                         MMRADIO_LOG_ERROR("mmradio_release_audio_focus is failed");
 713                         return ret;
 714                 }
 715         }
 716 #endif
 717         MMRADIO_SET_STATE(radio, MM_RADIO_STATE_READY);
 718
 719         MMRADIO_LOG_FLEAVE();
 720
 721         return MM_ERROR_NONE;
 722 }
 723
 724 int _mmradio_seek(mm_radio_t *radio, MMRadioSeekDirectionType direction)
 725 {
 726         int ret = MM_ERROR_NONE;
 727
 728         MMRADIO_LOG_FENTER();
 729
 730         MMRADIO_CHECK_INSTANCE(radio);
 731         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_SEEK);
 732
 733         if (radio->is_seeking) {
 734                 MMRADIO_LOG_ERROR("[RADIO_ERROR_INVALID_OPERATION]radio is seeking, can't serve another request try again");
 735                 return MM_ERROR_RADIO_INTERNAL;
 736         }
 737
 738         radio->seek_unmute = FALSE;
 739         radio->is_seeking = TRUE;
 740         radio->seek_cancel = FALSE;
 741
 742         if (!radio->is_muted) {
 743                 ret = radio_hal_mute(radio->hal_inf);
 744                 if (ret == MM_ERROR_NOT_SUPPORT_API) {
 745                         MMRADIO_LOG_WARNING("radio_hal_mute is not supported");
 746                 } else if (ret) {
 747                         MMRADIO_LOG_ERROR("failed to radio_hal_mute");
 748                         return ret;
 749                 }
 750                 radio->seek_unmute = TRUE;
 751         }
 752
 753         MMRADIO_LOG_INFO("trying to seek. direction[0:UP/1:DOWN) %d", direction);
 754         radio->seek_direction = direction;
 755
 756         ret = pthread_create(&radio->seek_thread, NULL, (void *)__mmradio_seek_thread, (void *)radio);
 757
 758         if (ret) {
 759                 MMRADIO_LOG_DEBUG("failed create thread");
 760                 radio->is_seeking = FALSE;
 761                 radio->seek_cancel = TRUE;
 762                 if (radio->seek_unmute) {
 763                         ret = radio_hal_mute(radio->hal_inf);
 764                         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 765                                 MMRADIO_LOG_WARNING("radio_hal_mute is not supported");
 766                         } else if (ret) {
 767                                 MMRADIO_LOG_ERROR("failed to radio_hal_mute");
 768                                 radio->seek_unmute = FALSE;
 769                                 return ret;
 770                         }
 771                 }
 772                 return MM_ERROR_RADIO_INTERNAL;
 773         }
 774
 775         MMRADIO_LOG_FLEAVE();
 776
 777         return MM_ERROR_NONE;
 778 }
 779
 780 void _mmradio_seek_cancel(mm_radio_t *radio)
 781 {
 782         int ret = MM_ERROR_NONE;
 783         char str_error[READ_MAX_BUFFER_SIZE];
 784         MMRADIO_LOG_FENTER();
 785
 786         MMRADIO_CHECK_INSTANCE_RETURN_VOID(radio);
 787
 788         /*cancel any outstanding seek request*/
 789         radio->seek_cancel = TRUE;
 790         if (radio->seek_thread) {
 791                 ret = pthread_mutex_trylock(&radio->seek_cancel_mutex);
 792                 MMRADIO_LOG_DEBUG("try lock ret: %s (%d)", strerror_r(ret, str_error, sizeof(str_error)), ret);
 793                 if (ret == EBUSY) { /* it was already locked by other */
 794                         MMRADIO_LOG_WARNING("send SEEK ABORT with FMRX_PROPERTY_SEARCH_ABORT");
 795                 } else if (ret == 0) {
 796                         MMRADIO_LOG_INFO("trylock is successful. unlock now");
 797                         pthread_mutex_unlock(&radio->seek_cancel_mutex);
 798                 } else {
 799                         MMRADIO_LOG_ERROR("trylock is failed but Not EBUSY. ret: %d", ret);
 800                 }
 801                 MMRADIO_LOG_DEBUG("pthread_join seek_thread");
 802                 pthread_join(radio->seek_thread, NULL);
 803                 MMRADIO_LOG_DEBUG("done");
 804                 radio->is_seeking = FALSE;
 805                 radio->seek_thread = 0;
 806         }
 807         MMRADIO_LOG_FLEAVE();
 808 }
 809
 810
 811 int _mmradio_start_scan(mm_radio_t *radio)
 812 {
 813         int ret = MM_ERROR_NONE;
 814
 815         MMRADIO_LOG_FENTER();
 816
 817         MMRADIO_CHECK_INSTANCE(radio);
 818         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_START_SCAN);
 819
 820         int scan_tr_id = 0;
 821
 822         radio->stop_scan = false;
 823
 824         if (!radio->is_ready) {
 825                 ret = mmradio_resource_manager_prepare(&radio->resource_manager, MM_RADIO_RESOURCE_TYPE_RADIO);
 826                 if (ret != MM_ERROR_NONE) {
 827                         MMRADIO_LOG_ERROR("resource manager prepare fail");
 828                         return MM_ERROR_RADIO_INTERNAL;
 829                 }
 830                 ret = mmradio_resource_manager_acquire(&radio->resource_manager);
 831                 if (ret != MM_ERROR_NONE) {
 832                         MMRADIO_LOG_ERROR("failed to acquire resource manager");
 833                         mmradio_resource_manager_unprepare(&radio->resource_manager);
 834                         return ret;
 835                 }
 836
 837                 ret = radio_hal_prepare(radio->hal_inf);
 838                 if (ret == MM_ERROR_NOT_SUPPORT_API) {
 839                         MMRADIO_LOG_WARNING("radio_hal_prepare is not supported");
 840                 } else if (ret != MM_ERROR_NONE) {
 841                         MMRADIO_LOG_ERROR("radio_hal_prepare_device error");
 842                         return ret;
 843                 }
 844
 845                 ret = radio_hal_open(radio->hal_inf);
 846                 if (ret == MM_ERROR_NOT_SUPPORT_API) {
 847                         MMRADIO_LOG_WARNING("radio_hal_open is not supported");
 848                 } else if (ret != MM_ERROR_NONE) {
 849                         MMRADIO_LOG_ERROR("radio_hal_init error");
 850                         MMRADIO_LOG_FLEAVE();
 851                         return ret;
 852                 }
 853                 radio->is_ready = TRUE;
 854         } else {
 855                 MMRADIO_LOG_DEBUG("radio prepared and opened");
 856         }
 857
 858         scan_tr_id = pthread_create(&radio->scan_thread, NULL, (void *)__mmradio_scan_thread, (void *)radio);
 859
 860         if (scan_tr_id != 0) {
 861                 MMRADIO_LOG_ERROR("failed to create thread : scan");
 862                 return MM_ERROR_RADIO_NOT_INITIALIZED;
 863         }
 864
 865         MMRADIO_SET_STATE(radio, MM_RADIO_STATE_SCANNING);
 866
 867         MMRADIO_LOG_FLEAVE();
 868
 869         return MM_ERROR_NONE;
 870 }
 871
 872 int _mmradio_stop_scan(mm_radio_t *radio)
 873 {
 874         int ret = 0;
 875         char str_error[READ_MAX_BUFFER_SIZE];
 876         MMRADIO_LOG_FENTER();
 877
 878         MMRADIO_CHECK_INSTANCE(radio);
 879         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_STOP_SCAN);
 880
 881         radio->stop_scan = true;
 882
 883         if (radio->scan_thread > 0) {
 884                 /* make sure all the search is stopped else we'll wait till search finish which is not ideal*/
 885                 ret = pthread_mutex_trylock(&radio->seek_cancel_mutex);
 886                 MMRADIO_LOG_DEBUG("try lock ret: %s (%d)", strerror_r(ret, str_error, sizeof(str_error)), ret);
 887                 if (ret == EBUSY) { /* it was already locked by other */
 888                         MMRADIO_LOG_WARNING("send SEEK ABORT with FMRX_PROPERTY_SEARCH_ABORT");
 889                 } else if (ret == 0) {
 890                         MMRADIO_LOG_INFO("trylock is successful. unlock now");
 891                         pthread_mutex_unlock(&radio->seek_cancel_mutex);
 892                 } else {
 893                         MMRADIO_LOG_ERROR("trylock is failed but Not EBUSY. ret: %d", ret);
 894                 }
 895                 MMRADIO_LOG_DEBUG("pthread_join scan_thread");
 896                 pthread_join(radio->scan_thread, NULL);
 897                 radio->scan_thread = 0;
 898         }
 899
 900         MMRADIO_LOG_FLEAVE();
 901
 902         return MM_ERROR_NONE;
 903 }
 904
 905 int _mm_radio_get_signal_strength(mm_radio_t *radio, int *value)
 906 {
 907         int ret = MM_ERROR_NONE;
 908         int32_t strength = 0;
 909         MMRADIO_LOG_FENTER();
 910         MMRADIO_CHECK_INSTANCE(radio);
 911
 912         return_val_if_fail(value, MM_ERROR_INVALID_ARGUMENT);
 913
 914         /* just return stored frequency if radio device is not ready */
 915         ret = radio_hal_get_signal_strength(radio->hal_inf, &strength);
 916         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 917                 MMRADIO_LOG_WARNING("radio_hal_unmute is not supported");
 918         } else if (ret != MM_ERROR_NONE) {
 919                 MMRADIO_LOG_ERROR("radio_hal_get_signal_strength error");
 920                 *value = 0;
 921                 MMRADIO_LOG_FLEAVE();
 922                 return ret;
 923         }
 924         *value = (int)strength;
 925         MMRADIO_LOG_FLEAVE();
 926         return MM_ERROR_NONE;
 927 }
 928
 929 void __mmradio_scan_thread(mm_radio_t *radio)
 930 {
 931         int ret = MM_ERROR_NONE;
 932         int prev_freq = 0;
 933         mm_radio_resource_state_e resource_state = MM_RADIO_RESOURCE_STATE_NONE;
 934
 935         MMRADIO_LOG_FENTER();
 936         MMRADIO_CHECK_INSTANCE_RETURN_VOID(radio);
 937
 938         ret = radio_hal_mute(radio->hal_inf);
 939
 940         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 941                 MMRADIO_LOG_WARNING("radio_hal_mute is not supported");
 942         } else if (ret != MM_ERROR_NONE) {
 943                 MMRADIO_LOG_ERROR("radio_hal_mute error");
 944                 goto FINISHED;
 945         }
 946         ret = radio_hal_set_frequency(radio->hal_inf, radio->region_setting.band_min);
 947
 948         if (ret != MM_ERROR_NONE)
 949                 goto FINISHED;
 950
 951         MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SCAN_START, NULL);
 952         MMRADIO_SET_STATE(radio, MM_RADIO_STATE_SCANNING);
 953
 954         while (!radio->stop_scan) {
 955                 uint32_t freq = 0;
 956                 MMMessageParamType param = { 0, };
 957
 958                 MMRADIO_LOG_DEBUG("scanning....");
 959
 960                 pthread_mutex_lock(&radio->seek_cancel_mutex);
 961
 962                 if (radio->stop_scan) {
 963                         MMRADIO_LOG_INFO("scan was canceled");
 964                         pthread_mutex_unlock(&radio->seek_cancel_mutex);
 965                         goto FINISHED;
 966                 }
 967
 968                 ret = radio_hal_seek(radio->hal_inf, MM_RADIO_SEEK_UP);
 969
 970                 pthread_mutex_unlock(&radio->seek_cancel_mutex);
 971
 972                 if (ret != MM_ERROR_NONE) {
 973                         MMRADIO_LOG_ERROR("radio scanning error");
 974                         break;
 975                 }
 976
 977                 /* now we can get new frequency from radio device */
 978                 if (radio->stop_scan)
 979                         break;
 980
 981                 ret = radio_hal_get_frequency(radio->hal_inf, &freq);
 982                 if (ret != MM_ERROR_NONE) {
 983                         MMRADIO_LOG_ERROR("failed to get current frequency");
 984                 } else {
 985                         if (freq <= prev_freq) {
 986                                 MMRADIO_LOG_ERROR("frequency is less than previous [%d] -> [%d] we wrapped around, we are finished scanning", prev_freq, freq);
 987                                 break;
 988                         }
 989
 990                         prev_freq = param.radio_scan.frequency = (int)freq;
 991                         MMRADIO_LOG_INFO("scanning : new frequency : [%d]", param.radio_scan.frequency);
 992
 993                         /* drop if max freq is scanned */
 994                         if (param.radio_scan.frequency >= radio->region_setting.band_max) {
 995                                 MMRADIO_LOG_WARNING("%d freq is dropping...and stopping scan", param.radio_scan.frequency);
 996                                 break;
 997                         }
 998
 999                         if (radio->stop_scan) {
1000                                 /* doesn't need to post */
1001                                 break;
1002                         }
1003
1004                         MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SCAN_INFO, &param);
1005                 }
1006         }
1007 FINISHED:
1008         if (radio->old_state == MM_RADIO_STATE_READY) {
1009                 MMRADIO_LOG_DEBUG("old state is ready");
1010         } else if (radio->old_state == MM_RADIO_STATE_PLAYING) {
1011                 MMRADIO_LOG_DEBUG("old state is playing");
1012                 ret = radio_hal_unmute(radio->hal_inf);
1013                 if (ret == MM_ERROR_NOT_SUPPORT_API) {
1014                         MMRADIO_LOG_WARNING("radio_hal_unmute is not supported");
1015                 } else if (ret != MM_ERROR_NONE) {
1016                         MMRADIO_LOG_ERROR("radio_hal_unmute error");
1017                         goto FINISHED_ERR;
1018                 }
1019                 ret = radio_hal_set_frequency(radio->hal_inf, prev_freq);
1020                 if (ret == MM_ERROR_NOT_SUPPORT_API) {
1021                         MMRADIO_LOG_WARNING("radio_hal_set_frequency is not supported");
1022                 } else if (ret != MM_ERROR_NONE) {
1023                         MMRADIO_LOG_ERROR("radio_hal_set_frequency error");
1024                         goto FINISHED_ERR;
1025                 }
1026         }
1027
1028 FINISHED_ERR:
1029
1030         radio->scan_thread = 0;
1031
1032         if (radio->old_state == MM_RADIO_STATE_PLAYING) {
1033                 MMRADIO_SET_STATE(radio, MM_RADIO_STATE_PLAYING);
1034         } else {
1035                 /* close radio device here !!!! */
1036                 ret = radio_hal_close(radio->hal_inf);
1037                 if (ret == MM_ERROR_NOT_SUPPORT_API)
1038                         MMRADIO_LOG_WARNING("radio_hal_close is not supported");
1039                 else if (ret != MM_ERROR_NONE)
1040                         MMRADIO_LOG_ERROR("radio_hal_close_device error");
1041
1042                 ret = radio_hal_unprepare(radio->hal_inf);
1043                 if (ret == MM_ERROR_NOT_SUPPORT_API)
1044                         MMRADIO_LOG_WARNING("radio_hal_unprepare is not supported");
1045                 else if (ret != MM_ERROR_NONE)
1046                         MMRADIO_LOG_ERROR("radio_hal_close_device error");
1047
1048                 radio->is_ready = FALSE;
1049
1050                 if (!radio->resource_manager.by_rm_cb && /* is being released */
1051                         mmradio_resource_manager_get_state(&radio->resource_manager, &resource_state) == MM_ERROR_NONE) {
1052                         if (resource_state == MM_RADIO_RESOURCE_STATE_ACQUIRED) {
1053                                 ret = mmradio_resource_manager_release(&radio->resource_manager);
1054                                 if (ret != MM_ERROR_NONE)
1055                                         MMRADIO_LOG_ERROR("failed to release resource, ret(0x%x)", ret);
1056                         }
1057                 }
1058
1059                 if (mmradio_resource_manager_get_state(&radio->resource_manager, &resource_state) == MM_ERROR_NONE) {
1060                         if (resource_state == MM_RADIO_RESOURCE_STATE_PREPARED) {
1061                                 ret = mmradio_resource_manager_unprepare(&radio->resource_manager);
1062                                 if (ret != MM_ERROR_NONE)
1063                                         MMRADIO_LOG_ERROR("resource manager unprepare fail");
1064                         }
1065                 }
1066
1067                 MMRADIO_SET_STATE(radio, MM_RADIO_STATE_READY);
1068         }
1069
1070         if (!radio->stop_scan)
1071                 MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SCAN_FINISH, NULL);
1072         else
1073                 MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SCAN_STOP, NULL);
1074
1075         MMRADIO_LOG_FLEAVE();
1076
1077         pthread_exit(NULL);
1078
1079         return;
1080 }
1081
1082 bool __is_tunable_frequency(mm_radio_t *radio, int freq)
1083 {
1084         MMRADIO_LOG_FENTER();
1085
1086         MMRADIO_CHECK_INSTANCE(radio);
1087
1088         if (freq >= radio->region_setting.band_max
1089                 || freq <= radio->region_setting.band_min)
1090                 return false;
1091
1092         MMRADIO_LOG_FLEAVE();
1093
1094         return true;
1095 }
1096
1097 void __mmradio_seek_thread(mm_radio_t *radio)
1098 {
1099         int ret = MM_ERROR_NONE;
1100         uint32_t freq = 0;
1101         MMMessageParamType param = {0, };
1102
1103         MMRADIO_LOG_FENTER();
1104         MMRADIO_CHECK_INSTANCE_RETURN_VOID(radio);
1105
1106         MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SEEK_START, NULL);
1107
1108         MMRADIO_LOG_DEBUG("seeking....");
1109
1110         if (!radio->seek_cancel) {
1111
1112                 MMRADIO_LOG_DEBUG("try to seek ");
1113                 pthread_mutex_lock(&radio->seek_cancel_mutex);
1114                 MMRADIO_LOG_DEBUG("seek start");
1115
1116                 if (radio->seek_cancel) {
1117                         MMRADIO_LOG_INFO("seek was canceled so we return failure to application");
1118                         pthread_mutex_unlock(&radio->seek_cancel_mutex);
1119                         goto SEEK_FAILED;
1120                 }
1121
1122                 ret = radio_hal_seek(radio->hal_inf, radio->seek_direction);
1123                 pthread_mutex_unlock(&radio->seek_cancel_mutex);
1124                 if (ret) {
1125                         MMRADIO_LOG_ERROR("radio_hal_seek failed");
1126                         goto SEEK_FAILED;
1127                 }
1128
1129                 /* now we can get new frequency from radio device */
1130                 ret = radio_hal_get_frequency(radio->hal_inf, &freq);
1131                 if (ret) {
1132                         MMRADIO_LOG_ERROR("failed to get current frequency");
1133                         goto SEEK_FAILED;
1134                 }
1135
1136                 MMRADIO_LOG_DEBUG("found frequency");
1137
1138                 /* if same freq is found, ignore it and search next one. */
1139                 if (freq == radio->prev_seek_freq) {
1140                         MMRADIO_LOG_WARNING("It's same with previous found one. So, trying next one.");
1141                         goto SEEK_FAILED;
1142                 }
1143
1144                 /* check if it's limit freq or not */
1145                 if (__is_tunable_frequency(radio, freq)) {
1146                         /* now tune to new frequency */
1147                         ret = radio_hal_set_frequency(radio->hal_inf, freq);
1148                         if (ret) {
1149                                 MMRADIO_LOG_ERROR("failed to tune to new frequency");
1150                                 goto SEEK_FAILED;
1151                         }
1152                         radio->freq = (int)freq;
1153                         MMRADIO_LOG_WARNING("setting frequency : [%d]", radio->freq);
1154                 }
1155
1156                 if (radio->seek_unmute) {
1157                         /* now turn on radio
1158                          * In the case of limit freq, tuner should be unmuted.
1159                          * Otherwise, sound can't output even though application set new frequency.
1160                          */
1161                         ret = radio_hal_unmute(radio->hal_inf);
1162                         if (ret) {
1163                                 MMRADIO_LOG_ERROR("failed to tune to new frequency");
1164                                 goto SEEK_FAILED;
1165                         }
1166                         radio->seek_unmute = FALSE;
1167                 }
1168
1169                 param.radio_scan.frequency = radio->prev_seek_freq = (int)freq;
1170                 MMRADIO_LOG_INFO("seeking : new frequency : [%d]", param.radio_scan.frequency);
1171                 MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SEEK_FINISH, &param);
1172         }
1173
1174         radio->seek_thread = 0;
1175         radio->is_seeking = FALSE;
1176
1177         MMRADIO_LOG_FLEAVE();
1178
1179         pthread_exit(NULL);
1180         return;
1181
1182 SEEK_FAILED:
1183
1184         if (radio->seek_unmute) {
1185                 /* now turn on radio
1186                 * In the case of limit freq, tuner should be unmuted.
1187                 * Otherwise, sound can't output even though application set new frequency.
1188                 */
1189                 ret = radio_hal_unmute(radio->hal_inf);
1190                 if (ret)
1191                         MMRADIO_LOG_ERROR("failed to tune to new frequency");
1192                 radio->seek_unmute = FALSE;
1193         }
1194         /* freq -1 means it's failed to seek */
1195         param.radio_scan.frequency = -1;
1196         MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SEEK_FINISH, &param);
1197         radio->is_seeking = FALSE;
1198         radio->seek_thread = 0;
1199         pthread_exit(NULL);
1200         return;
1201 }
1202
1203 static bool __mmradio_post_message(mm_radio_t *radio, enum MMMessageType msgtype, MMMessageParamType *param)
1204 {
1205         MMRADIO_CHECK_INSTANCE(radio);
1206
1207         MMRADIO_LOG_FENTER();
1208
1209         if (!radio->msg_cb) {
1210                 MMRADIO_LOG_WARNING("failed to post a message");
1211                 return false;
1212         }
1213
1214         MMRADIO_LOG_DEBUG("address of msg_cb : %p", radio->msg_cb);
1215
1216         radio->msg_cb(msgtype, param, radio->msg_cb_param);
1217
1218         MMRADIO_LOG_FLEAVE();
1219
1220         return true;
1221 }
1222
1223 static int __mmradio_check_state(mm_radio_t *radio, MMRadioCommand command)
1224 {
1225         MMRadioStateType radio_state = MM_RADIO_STATE_NUM;
1226
1227         MMRADIO_LOG_FENTER();
1228
1229         MMRADIO_CHECK_INSTANCE(radio);
1230
1231         radio_state = __mmradio_get_state(radio);
1232
1233         MMRADIO_LOG_INFO("incomming command : %d  current state : %d", command, radio_state);
1234
1235         switch (command) {
1236         case MMRADIO_COMMAND_CREATE:
1237                 {
1238                         if (radio_state != 0)
1239                                 goto NO_OP;
1240                 }
1241                 break;
1242
1243         case MMRADIO_COMMAND_REALIZE:
1244                 {
1245                         if (radio_state == MM_RADIO_STATE_READY ||
1246                                 radio_state == MM_RADIO_STATE_PLAYING ||
1247                                 radio_state == MM_RADIO_STATE_SCANNING)
1248                                 goto NO_OP;
1249
1250                         if (radio_state == 0)
1251                                 goto INVALID_STATE;
1252                 }
1253                 break;
1254
1255         case MMRADIO_COMMAND_UNREALIZE:
1256                 {
1257                         if (radio_state == MM_RADIO_STATE_NULL)
1258                                 goto NO_OP;
1259
1260                         /* we can call unrealize at any higher state */
1261                 }
1262                 break;
1263
1264         case MMRADIO_COMMAND_START:
1265                 {
1266                         if (radio_state == MM_RADIO_STATE_PLAYING)
1267                                 goto NO_OP;
1268
1269                         if (radio_state != MM_RADIO_STATE_READY)
1270                                 goto INVALID_STATE;
1271                 }
1272                 break;
1273
1274         case MMRADIO_COMMAND_STOP:
1275                 {
1276                         if (radio_state == MM_RADIO_STATE_READY)
1277                                 goto NO_OP;
1278
1279                         if (radio_state != MM_RADIO_STATE_PLAYING)
1280                                 goto INVALID_STATE;
1281                 }
1282                 break;
1283
1284         case MMRADIO_COMMAND_START_SCAN:
1285                 {
1286                         if (radio_state == MM_RADIO_STATE_SCANNING)
1287                                 goto NO_OP;
1288
1289                         if (radio_state == MM_RADIO_STATE_NULL)
1290                                 goto INVALID_STATE;
1291                 }
1292                 break;
1293
1294         case MMRADIO_COMMAND_STOP_SCAN:
1295                 {
1296                         if (radio_state == MM_RADIO_STATE_READY)
1297                                 goto NO_OP;
1298
1299                         if (radio_state != MM_RADIO_STATE_SCANNING)
1300                                 goto INVALID_STATE;
1301                 }
1302                 break;
1303
1304         case MMRADIO_COMMAND_DESTROY:
1305         case MMRADIO_COMMAND_MUTE:
1306         case MMRADIO_COMMAND_UNMUTE:
1307         case MMRADIO_COMMAND_SET_FREQ:
1308         case MMRADIO_COMMAND_GET_FREQ:
1309         case MMRADIO_COMMAND_SET_REGION:
1310         case MMRADIO_COMMAND_SET_VOLUME:
1311         case MMRADIO_COMMAND_GET_VOLUME:
1312                 {
1313                         /* we can do it at any state */
1314                 }
1315                 break;
1316
1317         case MMRADIO_COMMAND_SEEK:
1318                 {
1319                         if (radio_state != MM_RADIO_STATE_PLAYING)
1320                                 goto INVALID_STATE;
1321                 }
1322                 break;
1323
1324         case MMRADIO_COMMAND_GET_REGION:
1325                 {
1326                         if (radio_state == MM_RADIO_STATE_NULL)
1327                                 goto INVALID_STATE;
1328                 }
1329                 break;
1330
1331         default:
1332                 MMRADIO_LOG_DEBUG("not handled in FSM. don't care it");
1333                 break;
1334         }
1335
1336         MMRADIO_LOG_DEBUG("status OK");
1337
1338         radio->cmd = command;
1339
1340         MMRADIO_LOG_FLEAVE();
1341
1342         return MM_ERROR_NONE;
1343
1344 INVALID_STATE:
1345         MMRADIO_LOG_WARNING("invalid state. current : %d  command : %d", radio_state, command);
1346         MMRADIO_LOG_FLEAVE();
1347         return MM_ERROR_RADIO_INVALID_STATE;
1348
1349 NO_OP:
1350         MMRADIO_LOG_WARNING("mm-radio is in the desired state(%d). doing noting", radio_state);
1351         MMRADIO_LOG_FLEAVE();
1352         return MM_ERROR_RADIO_NO_OP;
1353
1354 }
1355
1356 static bool __mmradio_set_state(mm_radio_t *radio, int new_state)
1357 {
1358         MMMessageParamType msg = { 0, };
1359         int msg_type = MM_MESSAGE_UNKNOWN;
1360
1361         MMRADIO_LOG_FENTER();
1362
1363         if (!radio) {
1364                 MMRADIO_LOG_WARNING("calling set_state with invalid radio handle");
1365                 return false;
1366         }
1367
1368         if (radio->current_state == new_state && radio->pending_state == 0) {
1369                 MMRADIO_LOG_WARNING("we are in same state");
1370                 return true;
1371         }
1372
1373         /* set state */
1374         radio->old_state = radio->current_state;
1375         radio->current_state = new_state;
1376
1377         /* fill message param */
1378         msg.union_type = MM_MSG_UNION_STATE;
1379         msg.state.previous = radio->old_state;
1380         msg.state.current = radio->current_state;
1381
1382 #ifdef TIZEN_FEATURE_SOUND_FOCUS
1383         /* post message to application */
1384         if (radio->sound_focus.by_focus_cb) {
1385                 msg_type = MM_MESSAGE_STATE_INTERRUPTED;
1386                 msg.state.code = radio->sound_focus.event_src;
1387                 MMRADIO_POST_MSG(radio, msg_type, &msg);
1388         } else if (radio->resource_manager.by_rm_cb) {
1389                 msg_type = MM_MESSAGE_STATE_INTERRUPTED;
1390                 msg.state.code = MM_MSG_CODE_INTERRUPTED_BY_RESOURCE_CONFLICT;
1391                 MMRADIO_POST_MSG(radio, msg_type, &msg);
1392         } else {
1393                 msg_type = MM_MESSAGE_STATE_CHANGED;
1394                 MMRADIO_POST_MSG(radio, msg_type, &msg);
1395         }
1396 #else
1397         if (radio->resource_manager.by_rm_cb) {
1398                  msg_type = MM_MESSAGE_STATE_INTERRUPTED;
1399                  msg.state.code = MM_MSG_CODE_INTERRUPTED_BY_RESOURCE_CONFLICT;
1400                  MMRADIO_POST_MSG(radio, msg_type, &msg);
1401          } else {
1402                  msg_type = MM_MESSAGE_STATE_CHANGED;
1403                  MMRADIO_POST_MSG(radio, msg_type, &msg);
1404          }
1405
1406 #endif
1407
1408         MMRADIO_LOG_FLEAVE();
1409
1410         return true;
1411 }
1412
1413 static int __mmradio_get_state(mm_radio_t *radio)
1414 {
1415         MMRADIO_CHECK_INSTANCE(radio);
1416
1417         MMRADIO_LOG_INFO("radio state : current : [%d]   old : [%d]   pending : [%d]",
1418                 radio->current_state, radio->old_state, radio->pending_state);
1419
1420         return radio->current_state;
1421 }
1422
1423 #ifdef TIZEN_FEATURE_SOUND_FOCUS
1424 static void __mmradio_sound_focus_cb(int id, mm_sound_focus_type_e focus_type,
1425         mm_sound_focus_state_e focus_state, const char *reason_for_change, int option,
1426         const char *additional_info, void *user_data)
1427 {
1428         mm_radio_t *radio = (mm_radio_t *)user_data;
1429         enum MMMessageInterruptedCode event_source;
1430         int result = MM_ERROR_NONE;
1431         int postMsg = false;
1432
1433         MMRADIO_LOG_FENTER();
1434         MMRADIO_CHECK_INSTANCE_RETURN_VOID(radio);
1435         MMRADIO_LOG_INFO("focus_state [%d]", focus_state);
1436
1437         mmradio_get_sound_focus_reason(focus_state, reason_for_change, FALSE, &event_source, &postMsg);
1438         radio->sound_focus.event_src = event_source;
1439
1440         switch (focus_state) {
1441         case FOCUS_IS_RELEASED:{
1442                         radio->sound_focus.cur_focus_type &= ~focus_type;
1443                         radio->sound_focus.by_focus_cb = true;
1444
1445                         MMRADIO_CMD_LOCK(radio);
1446                         result = _mmradio_stop(radio);
1447                         if (result)
1448                                 MMRADIO_LOG_ERROR("failed to stop radio");
1449                         MMRADIO_CMD_UNLOCK(radio);
1450
1451                         radio->sound_focus.by_focus_cb = false;
1452
1453                         MMRADIO_LOG_DEBUG("FOCUS_IS_RELEASED cur_focus_type : %d", radio->sound_focus.cur_focus_type);
1454                 }
1455                 break;
1456
1457         case FOCUS_IS_ACQUIRED:{
1458                         MMMessageParamType msg = { 0, };
1459                         msg.union_type = MM_MSG_UNION_CODE;
1460                         msg.code = event_source;
1461
1462                         radio->sound_focus.cur_focus_type |= focus_type;
1463
1464                         if ((postMsg) && (FOCUS_FOR_BOTH == radio->sound_focus.cur_focus_type))
1465                                 MMRADIO_POST_MSG(radio, MM_MESSAGE_READY_TO_RESUME, &msg);
1466
1467                         MMRADIO_LOG_DEBUG("FOCUS_IS_ACQUIRED cur_focus_type : %d", radio->sound_focus.cur_focus_type);
1468                 }
1469                 break;
1470
1471         default:
1472                 MMRADIO_LOG_DEBUG("Unknown focus_state");
1473                 break;
1474         }
1475
1476         MMRADIO_LOG_FLEAVE();
1477 }
1478
1479 static void __mmradio_sound_focus_watch_cb(int id, mm_sound_focus_type_e focus_type,
1480         mm_sound_focus_state_e focus_state, const char *reason_for_change,
1481         const char *additional_info, void *user_data)
1482 {
1483         mm_radio_t *radio = (mm_radio_t *)user_data;
1484         enum MMMessageInterruptedCode event_source;
1485         int result = MM_ERROR_NONE;
1486         int postMsg = false;
1487
1488         MMRADIO_LOG_FENTER();
1489         MMRADIO_CHECK_INSTANCE_RETURN_VOID(radio);
1490         MMRADIO_LOG_INFO("focus_state [%d]", focus_state);
1491
1492         mmradio_get_sound_focus_reason(focus_state, reason_for_change, TRUE, &event_source, &postMsg);
1493         radio->sound_focus.event_src = event_source;
1494
1495         switch (focus_state) {
1496         case FOCUS_IS_ACQUIRED: {
1497                         radio->sound_focus.cur_focus_type &= ~focus_type;
1498                         radio->sound_focus.by_focus_cb = true;
1499
1500                         MMRADIO_CMD_LOCK(radio);
1501                         result = _mmradio_stop(radio);
1502                         if (result)
1503                                 MMRADIO_LOG_ERROR("failed to stop radio");
1504                         MMRADIO_CMD_UNLOCK(radio);
1505
1506                         radio->sound_focus.by_focus_cb = false;
1507
1508                         MMRADIO_LOG_DEBUG("FOCUS_IS_RELEASED cur_focus_type : %d\n", radio->sound_focus.cur_focus_type);
1509                 }
1510                 break;
1511
1512         case FOCUS_IS_RELEASED: {
1513                         MMMessageParamType msg = { 0, };
1514                         msg.union_type = MM_MSG_UNION_CODE;
1515                         msg.code = event_source;
1516
1517                         radio->sound_focus.cur_focus_type |= focus_type;
1518
1519                         if ((postMsg) && (FOCUS_FOR_BOTH == radio->sound_focus.cur_focus_type))
1520                                 MMRADIO_POST_MSG(radio, MM_MESSAGE_READY_TO_RESUME, &msg);
1521
1522                         MMRADIO_LOG_DEBUG("FOCUS_IS_ACQUIRED cur_focus_type : %d", radio->sound_focus.cur_focus_type);
1523                 }
1524                 break;
1525
1526         default:
1527                 MMRADIO_LOG_DEBUG("Unknown focus_state");
1528                 break;
1529         }
1530
1531         MMRADIO_LOG_FLEAVE();
1532 }
1533 #endif
1534
1535 static void __mmradio_volume_changed_cb(volume_type_t type, unsigned int volume, void *user_data)
1536 {
1537         mm_radio_t *radio = (mm_radio_t *)user_data;
1538         int ret = MM_ERROR_NONE;
1539         MMRADIO_CHECK_INSTANCE_RETURN_VOID(radio);
1540         if (type == VOLUME_TYPE_MEDIA) {
1541                 MMRADIO_LOG_INFO("Change FM Radio volume to %d", volume);
1542                 ret = __mmradio_set_media_volume(radio, volume);
1543                 if (ret != MM_ERROR_NONE)
1544                         MMRADIO_LOG_ERROR("__mmradio_set_media_volume error");
1545                 return;
1546         }
1547 }
1548
1549 int _mmradio_get_region_type(mm_radio_t *radio, MMRadioRegionType *type)
1550 {
1551         MMRADIO_LOG_FENTER();
1552         MMRADIO_CHECK_INSTANCE(radio);
1553         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_GET_REGION);
1554
1555         return_val_if_fail(type, MM_ERROR_INVALID_ARGUMENT);
1556
1557         *type = radio->region_setting.country;
1558
1559         MMRADIO_LOG_FLEAVE();
1560         return MM_ERROR_NONE;
1561 }
1562
1563 int _mmradio_get_region_frequency_range(mm_radio_t *radio, unsigned int *min_freq, unsigned int *max_freq)
1564 {
1565         MMRADIO_LOG_FENTER();
1566         MMRADIO_CHECK_INSTANCE(radio);
1567         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_GET_REGION);
1568
1569         return_val_if_fail(min_freq && max_freq, MM_ERROR_INVALID_ARGUMENT);
1570
1571         *min_freq = radio->region_setting.band_min;
1572         *max_freq = radio->region_setting.band_max;
1573
1574         MMRADIO_LOG_FLEAVE();
1575         return MM_ERROR_NONE;
1576 }
1577
1578 int _mmradio_get_channel_spacing(mm_radio_t *radio, unsigned int *ch_spacing)
1579 {
1580         MMRADIO_LOG_FENTER();
1581         MMRADIO_CHECK_INSTANCE(radio);
1582         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_GET_REGION);
1583
1584         return_val_if_fail(ch_spacing, MM_ERROR_INVALID_ARGUMENT);
1585
1586         *ch_spacing = radio->region_setting.channel_spacing;
1587
1588         MMRADIO_LOG_FLEAVE();
1589         return MM_ERROR_NONE;
1590 }
1591
1592 int _mmradio_set_volume(mm_radio_t *radio, float volume)
1593 {
1594         int ret = MM_ERROR_NONE;
1595
1596         MMRADIO_LOG_FENTER();
1597
1598         MMRADIO_CHECK_INSTANCE(radio);
1599         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_SET_VOLUME);
1600
1601         MMRADIO_LOG_INFO("Setting %f volume", volume);
1602
1603         MMRADIO_VOLUME_LOCK(radio);
1604         radio->local_volume = volume;
1605         MMRADIO_VOLUME_UNLOCK(radio);
1606
1607         ret = radio_hal_set_volume(radio->hal_inf, volume);
1608         if (ret != MM_ERROR_NONE)
1609                 MMRADIO_LOG_ERROR("radio_hal_set_volume error");
1610
1611         MMRADIO_LOG_FLEAVE();
1612
1613         return ret;
1614 }
1615
1616 int _mmradio_get_volume(mm_radio_t *radio, float *pVolume)
1617 {
1618         int ret = MM_ERROR_NONE;
1619         float volume = 0.0;
1620         MMRADIO_LOG_FENTER();
1621
1622         MMRADIO_CHECK_INSTANCE(radio);
1623         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_GET_VOLUME);
1624
1625         return_val_if_fail(pVolume, MM_ERROR_INVALID_ARGUMENT);
1626
1627         ret = radio_hal_get_volume(radio->hal_inf, &volume);
1628         if (ret != MM_ERROR_NONE) {
1629                 MMRADIO_LOG_ERROR("radio_hal_get_volume error");
1630                 *pVolume = 0;
1631                 return ret;
1632         }
1633
1634         MMRADIO_VOLUME_LOCK(radio);
1635         radio->local_volume = volume;
1636         *pVolume = (float)radio->local_volume;
1637         MMRADIO_VOLUME_UNLOCK(radio);
1638
1639         MMRADIO_LOG_FLEAVE();
1640
1641         return ret;
1642 }
1643
1644 static int __mmradio_set_media_volume(mm_radio_t *radio, unsigned int level)
1645 {
1646         int ret = MM_ERROR_NONE;
1647
1648         MMRADIO_LOG_FENTER();
1649
1650         MMRADIO_CHECK_INSTANCE(radio);
1651         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_SET_VOLUME);
1652
1653         MMRADIO_LOG_INFO("Setting %d volume", level);
1654
1655         MMRADIO_VOLUME_LOCK(radio);
1656         radio->media_volume = level;
1657         MMRADIO_VOLUME_UNLOCK(radio);
1658
1659         ret = radio_hal_set_media_volume(radio->hal_inf, level);
1660         if (ret != MM_ERROR_NONE)
1661                 MMRADIO_LOG_ERROR("radio_hal_set_media_volume error");
1662
1663         MMRADIO_LOG_FLEAVE();
1664
1665         return ret;
1666 }
1667