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