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_total_volume(mm_radio_t *radio);
 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         MMRADIO_VOLUME_LOCK(radio);
 552         radio->media_volume = volume;
 553         MMRADIO_VOLUME_UNLOCK(radio);
 554
 555         ret = __mmradio_set_total_volume(radio);
 556         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 557                 MMRADIO_LOG_WARNING("radio_hal_set_volume is not supported");
 558         } else if (ret) {
 559                 MMRADIO_LOG_ERROR("failed to radio_hal_set_volume\n");
 560                 goto error1;
 561         }
 562
 563         ret = radio_hal_start(radio->hal_inf);
 564         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 565                 MMRADIO_LOG_WARNING("radio_hal_start is not supported");
 566         } else if (ret) {
 567                 MMRADIO_LOG_ERROR("failed to radio_hal_start\n");
 568                 goto error1;
 569         }
 570
 571         /* set stored frequency */
 572         ret = radio_hal_set_frequency(radio->hal_inf, radio->freq);
 573         if (ret) {
 574                 MMRADIO_LOG_ERROR("failed to radio_hal_set_frequency\n");
 575                 goto error1;
 576         }
 577
 578 #ifdef TIZEN_FEATURE_SOUND_VSTREAM
 579         ret = sound_manager_start_virtual_stream(radio->vstream);
 580         if (ret) {
 581                 MMRADIO_LOG_ERROR("failed to sound_manager_start_virtual_stream\n");
 582                 goto error;
 583         }
 584 #endif
 585
 586         MMRADIO_SET_STATE(radio, MM_RADIO_STATE_PLAYING);
 587
 588         MMRADIO_LOG_FLEAVE();
 589
 590         return MM_ERROR_NONE;
 591
 592 #ifdef TIZEN_FEATURE_SOUND_VSTREAM
 593 error:
 594         sound_manager_stop_virtual_stream(radio->vstream);
 595 #endif
 596 error1:
 597         radio_hal_close(radio->hal_inf);
 598 error2:
 599         radio_hal_unprepare(radio->hal_inf);
 600         radio->is_ready = FALSE;
 601         return ret;
 602 }
 603
 604 int _mmradio_stop(mm_radio_t *radio)
 605 {
 606         int ret = MM_ERROR_NONE;
 607
 608         MMRADIO_LOG_FENTER();
 609
 610         MMRADIO_CHECK_INSTANCE(radio);
 611         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_STOP);
 612
 613         radio->seek_unmute = FALSE;
 614         /*cancel if any seek*/
 615         _mmradio_seek_cancel(radio);
 616 #ifdef TIZEN_FEATURE_SOUND_VSTREAM
 617         ret = sound_manager_stop_virtual_stream(radio->vstream);
 618         if (ret != MM_ERROR_NONE) {
 619                 MMRADIO_LOG_ERROR("failed to stop virtual_stream");
 620                 return ret;
 621         }
 622 #endif
 623
 624         ret = radio_hal_stop(radio->hal_inf);
 625         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 626                 MMRADIO_LOG_WARNING("radio_hal_unmute is not supported");
 627         } else if (ret) {
 628                 MMRADIO_LOG_ERROR("failed to radio_hal_stop\n");
 629                 return ret;
 630         }
 631
 632         /* close radio device here !!!! */
 633         ret = radio_hal_close(radio->hal_inf);
 634         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 635                 MMRADIO_LOG_WARNING("radio_hal_close is not supported");
 636         } else if (ret != MM_ERROR_NONE) {
 637                 MMRADIO_LOG_ERROR("radio_hal_close_device error");
 638                 return ret;
 639         }
 640
 641         ret = radio_hal_unprepare(radio->hal_inf);
 642         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 643                 MMRADIO_LOG_WARNING("radio_hal_unprepare is not supported");
 644         } else if (ret != MM_ERROR_NONE) {
 645                 MMRADIO_LOG_ERROR("radio_hal_close_device error");
 646                 return ret;
 647         }
 648
 649         radio->is_ready = FALSE;
 650
 651 #ifdef TIZEN_FEATURE_SOUND_FOCUS
 652         if (radio->sound_focus.handle > 0) {
 653                 ret = mmradio_release_sound_focus(&radio->sound_focus);
 654                 if (ret) {
 655                         MMRADIO_LOG_ERROR("mmradio_release_audio_focus is failed\n");
 656                         return ret;
 657                 }
 658         }
 659 #endif
 660         MMRADIO_SET_STATE(radio, MM_RADIO_STATE_READY);
 661
 662         MMRADIO_LOG_FLEAVE();
 663
 664         return MM_ERROR_NONE;
 665 }
 666
 667 int _mmradio_seek(mm_radio_t *radio, MMRadioSeekDirectionType direction)
 668 {
 669         int ret = MM_ERROR_NONE;
 670
 671         MMRADIO_LOG_FENTER();
 672
 673         MMRADIO_CHECK_INSTANCE(radio);
 674         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_SEEK);
 675
 676         if (radio->is_seeking) {
 677                 MMRADIO_LOG_ERROR("[RADIO_ERROR_INVALID_OPERATION]radio is seeking, can't serve another request try again");
 678                 return MM_ERROR_RADIO_INTERNAL;
 679         }
 680
 681         radio->seek_unmute = FALSE;
 682         radio->is_seeking = TRUE;
 683         radio->seek_cancel = FALSE;
 684
 685         if (!radio->is_muted) {
 686                 ret = radio_hal_mute(radio->hal_inf);
 687                 if (ret == MM_ERROR_NOT_SUPPORT_API) {
 688                         MMRADIO_LOG_WARNING("radio_hal_mute is not supported");
 689                 } else if (ret) {
 690                         MMRADIO_LOG_ERROR("failed to radio_hal_mute\n");
 691                         return ret;
 692                 }
 693                 radio->seek_unmute = TRUE;
 694         }
 695
 696         MMRADIO_LOG_DEBUG("trying to seek. direction[0:UP/1:DOWN) %d\n", direction);
 697         radio->seek_direction = direction;
 698
 699         ret = pthread_create(&radio->seek_thread, NULL, (void *)__mmradio_seek_thread, (void *)radio);
 700
 701         if (ret) {
 702                 MMRADIO_LOG_DEBUG("failed create thread\n");
 703                 radio->is_seeking = FALSE;
 704                 radio->seek_cancel = TRUE;
 705                 if (radio->seek_unmute) {
 706                         ret = radio_hal_mute(radio->hal_inf);
 707                         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 708                                 MMRADIO_LOG_WARNING("radio_hal_mute is not supported");
 709                         } else if (ret) {
 710                                 MMRADIO_LOG_ERROR("failed to radio_hal_mute\n");
 711                                 radio->seek_unmute = FALSE;
 712                                 return ret;
 713                         }
 714                 }
 715                 return MM_ERROR_RADIO_INTERNAL;
 716         }
 717
 718         MMRADIO_LOG_FLEAVE();
 719
 720         return MM_ERROR_NONE;
 721 }
 722
 723 void _mmradio_seek_cancel(mm_radio_t *radio)
 724 {
 725         int ret = MM_ERROR_NONE;
 726         char str_error[READ_MAX_BUFFER_SIZE];
 727         MMRADIO_LOG_FENTER();
 728
 729         MMRADIO_CHECK_INSTANCE_RETURN_VOID(radio);
 730
 731         /*cancel any outstanding seek request*/
 732         radio->seek_cancel = TRUE;
 733         if (radio->seek_thread) {
 734                 ret = pthread_mutex_trylock(&radio->seek_cancel_mutex);
 735                 MMRADIO_LOG_DEBUG("try lock ret: %s (%d)", strerror_r(ret, str_error, sizeof(str_error)), ret);
 736                 if (ret == EBUSY) { /* it was already locked by other */
 737                         MMRADIO_LOG_DEBUG("send SEEK ABORT with FMRX_PROPERTY_SEARCH_ABORT");
 738                 } else if (ret == 0) {
 739                         MMRADIO_LOG_DEBUG("trylock is successful. unlock now");
 740                         pthread_mutex_unlock(&radio->seek_cancel_mutex);
 741                 } else {
 742                         MMRADIO_LOG_ERROR("trylock is failed but Not EBUSY. ret: %d", ret);
 743                 }
 744                 MMRADIO_LOG_DEBUG("pthread_join seek_thread");
 745                 pthread_join(radio->seek_thread, NULL);
 746                 MMRADIO_LOG_DEBUG("done");
 747                 radio->is_seeking = FALSE;
 748                 radio->seek_thread = 0;
 749         }
 750         MMRADIO_LOG_FLEAVE();
 751 }
 752
 753
 754 int _mmradio_start_scan(mm_radio_t *radio)
 755 {
 756         int ret = MM_ERROR_NONE;
 757
 758         MMRADIO_LOG_FENTER();
 759
 760         MMRADIO_CHECK_INSTANCE(radio);
 761         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_START_SCAN);
 762
 763         int scan_tr_id = 0;
 764
 765         radio->stop_scan = false;
 766
 767         if (!radio->is_ready) {
 768                 ret = radio_hal_prepare(radio->hal_inf);
 769                 if (ret == MM_ERROR_NOT_SUPPORT_API) {
 770                         MMRADIO_LOG_WARNING("radio_hal_prepare is not supported");
 771                 } else if (ret != MM_ERROR_NONE) {
 772                         MMRADIO_LOG_ERROR("radio_hal_prepare_device error");
 773                         return ret;
 774                 }
 775
 776                 ret = radio_hal_open(radio->hal_inf);
 777                 if (ret == MM_ERROR_NOT_SUPPORT_API) {
 778                         MMRADIO_LOG_WARNING("radio_hal_open is not supported");
 779                 } else if (ret != MM_ERROR_NONE) {
 780                         MMRADIO_LOG_ERROR("radio_hal_init error");
 781                         MMRADIO_LOG_FLEAVE();
 782                         return ret;
 783                 }
 784                 radio->is_ready = TRUE;
 785         } else {
 786                 MMRADIO_LOG_DEBUG("radio prepared and opened");
 787         }
 788
 789         scan_tr_id = pthread_create(&radio->scan_thread, NULL, (void *)__mmradio_scan_thread, (void *)radio);
 790
 791         if (scan_tr_id != 0) {
 792                 MMRADIO_LOG_DEBUG("failed to create thread : scan\n");
 793                 return MM_ERROR_RADIO_NOT_INITIALIZED;
 794         }
 795
 796         MMRADIO_SET_STATE(radio, MM_RADIO_STATE_SCANNING);
 797
 798         MMRADIO_LOG_FLEAVE();
 799
 800         return MM_ERROR_NONE;
 801 }
 802
 803 int _mmradio_stop_scan(mm_radio_t *radio)
 804 {
 805         int ret = 0;
 806         char str_error[READ_MAX_BUFFER_SIZE];
 807         MMRADIO_LOG_FENTER();
 808
 809         MMRADIO_CHECK_INSTANCE(radio);
 810         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_STOP_SCAN);
 811
 812         radio->stop_scan = true;
 813
 814         if (radio->scan_thread > 0) {
 815                 /* make sure all the search is stopped else we'll wait till search finish which is not ideal*/
 816                 ret = pthread_mutex_trylock(&radio->seek_cancel_mutex);
 817                 MMRADIO_LOG_DEBUG("try lock ret: %s (%d)", strerror_r(ret, str_error, sizeof(str_error)), ret);
 818                 if (ret == EBUSY) { /* it was already locked by other */
 819                         MMRADIO_LOG_DEBUG("send SEEK ABORT with FMRX_PROPERTY_SEARCH_ABORT");
 820                 } else if (ret == 0) {
 821                         MMRADIO_LOG_DEBUG("trylock is successful. unlock now");
 822                         pthread_mutex_unlock(&radio->seek_cancel_mutex);
 823                 } else {
 824                         MMRADIO_LOG_ERROR("trylock is failed but Not EBUSY. ret: %d", ret);
 825                 }
 826                 MMRADIO_LOG_DEBUG("pthread_join scan_thread");
 827                 pthread_join(radio->scan_thread, NULL);
 828                 radio->scan_thread = 0;
 829         }
 830
 831         MMRADIO_LOG_FLEAVE();
 832
 833         return MM_ERROR_NONE;
 834 }
 835
 836 int _mm_radio_get_signal_strength(mm_radio_t *radio, int *value)
 837 {
 838         int ret = MM_ERROR_NONE;
 839         uint32_t strength = 0;
 840         MMRADIO_LOG_FENTER();
 841         MMRADIO_CHECK_INSTANCE(radio);
 842
 843         return_val_if_fail(value, MM_ERROR_INVALID_ARGUMENT);
 844
 845         /* just return stored frequency if radio device is not ready */
 846         ret = radio_hal_get_signal_strength(radio->hal_inf, &strength);
 847         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 848                 MMRADIO_LOG_WARNING("radio_hal_unmute is not supported");
 849         } else if (ret != MM_ERROR_NONE) {
 850                 debug_error("radio_hal_get_signal_strength error\n");
 851                 *value = 0;
 852                 MMRADIO_LOG_FLEAVE();
 853                 return ret;
 854         }
 855         *value = (int)strength;
 856         MMRADIO_LOG_FLEAVE();
 857         return MM_ERROR_NONE;
 858 }
 859
 860 void __mmradio_scan_thread(mm_radio_t *radio)
 861 {
 862         int ret = MM_ERROR_NONE;
 863         int prev_freq = 0;
 864
 865         MMRADIO_LOG_FENTER();
 866         MMRADIO_CHECK_INSTANCE_RETURN_VOID(radio);
 867
 868         ret = radio_hal_mute(radio->hal_inf);
 869
 870         if (ret == MM_ERROR_NOT_SUPPORT_API) {
 871                 MMRADIO_LOG_WARNING("radio_hal_mute is not supported");
 872         } else if (ret != MM_ERROR_NONE) {
 873                 MMRADIO_LOG_ERROR("radio_hal_mute error");
 874                 goto FINISHED;
 875         }
 876         ret = radio_hal_set_frequency(radio->hal_inf, radio->region_setting.band_min);
 877
 878         if (ret != MM_ERROR_NONE)
 879                 goto FINISHED;
 880
 881         MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SCAN_START, NULL);
 882         MMRADIO_SET_STATE(radio, MM_RADIO_STATE_SCANNING);
 883
 884         while (!radio->stop_scan) {
 885                 uint32_t freq = 0;
 886                 MMMessageParamType param = { 0, };
 887
 888                 MMRADIO_LOG_DEBUG("scanning....\n");
 889
 890                 pthread_mutex_lock(&radio->seek_cancel_mutex);
 891
 892                 if (radio->stop_scan) {
 893                         MMRADIO_LOG_DEBUG("scan was canceled");
 894                         pthread_mutex_unlock(&radio->seek_cancel_mutex);
 895                         goto FINISHED;
 896                 }
 897
 898                 ret = radio_hal_seek(radio->hal_inf, MM_RADIO_SEEK_UP);
 899
 900                 pthread_mutex_unlock(&radio->seek_cancel_mutex);
 901
 902                 if (ret != MM_ERROR_NONE) {
 903                         MMRADIO_LOG_ERROR("radio scanning error");
 904                         break;
 905                 }
 906
 907                 /* now we can get new frequency from radio device */
 908                 if (radio->stop_scan)
 909                         break;
 910
 911                 ret = radio_hal_get_frequency(radio->hal_inf, &freq);
 912                 if (ret != MM_ERROR_NONE) {
 913                         MMRADIO_LOG_ERROR("failed to get current frequency\n");
 914                 } else {
 915                         if (freq < prev_freq) {
 916                                 MMRADIO_LOG_DEBUG("scanning wrapped around. stopping scan\n");
 917                                 break;
 918                         }
 919
 920                         if (freq == prev_freq)
 921                                 continue;
 922
 923                         prev_freq = param.radio_scan.frequency = (int)freq;
 924                         MMRADIO_LOG_DEBUG("scanning : new frequency : [%d]\n", param.radio_scan.frequency);
 925
 926                         /* drop if max freq is scanned */
 927                         if (param.radio_scan.frequency == radio->region_setting.band_max) {
 928                                 MMRADIO_LOG_DEBUG("%d freq is dropping...and stopping scan\n", param.radio_scan.frequency);
 929                                 break;
 930                         }
 931
 932                         if (radio->stop_scan) {
 933                                 /* doesn't need to post */
 934                                 break;
 935                         }
 936
 937                         MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SCAN_INFO, &param);
 938                 }
 939         }
 940 FINISHED:
 941         if (radio->old_state == MM_RADIO_STATE_READY) {
 942                 MMRADIO_LOG_DEBUG("old state is ready");
 943         } else if (radio->old_state == MM_RADIO_STATE_PLAYING) {
 944                 MMRADIO_LOG_DEBUG("old state is playing");
 945                 ret = radio_hal_unmute(radio->hal_inf);
 946                 if (ret == MM_ERROR_NOT_SUPPORT_API) {
 947                         MMRADIO_LOG_WARNING("radio_hal_unmute is not supported");
 948                 } else if (ret != MM_ERROR_NONE) {
 949                         MMRADIO_LOG_ERROR("radio_hal_unmute error");
 950                         goto FINISHED_ERR;
 951                 }
 952                 ret = radio_hal_set_frequency(radio->hal_inf, prev_freq);
 953                 if (ret == MM_ERROR_NOT_SUPPORT_API) {
 954                         MMRADIO_LOG_WARNING("radio_hal_set_frequency is not supported");
 955                 } else if (ret != MM_ERROR_NONE) {
 956                         MMRADIO_LOG_ERROR("radio_hal_set_frequency error");
 957                         goto FINISHED_ERR;
 958                 }
 959         }
 960
 961 FINISHED_ERR:
 962
 963         radio->scan_thread = 0;
 964
 965         if (radio->old_state == MM_RADIO_STATE_PLAYING) {
 966                 MMRADIO_SET_STATE(radio, MM_RADIO_STATE_PLAYING);
 967         } else {
 968                 /* close radio device here !!!! */
 969                 ret = radio_hal_close(radio->hal_inf);
 970                 if (ret == MM_ERROR_NOT_SUPPORT_API)
 971                         MMRADIO_LOG_WARNING("radio_hal_close is not supported");
 972                 else if (ret != MM_ERROR_NONE)
 973                         MMRADIO_LOG_ERROR("radio_hal_close_device error");
 974
 975                 ret = radio_hal_unprepare(radio->hal_inf);
 976                 if (ret == MM_ERROR_NOT_SUPPORT_API)
 977                         MMRADIO_LOG_WARNING("radio_hal_unprepare is not supported");
 978                 else if (ret != MM_ERROR_NONE)
 979                         MMRADIO_LOG_ERROR("radio_hal_close_device error");
 980
 981                 radio->is_ready = FALSE;
 982
 983                 MMRADIO_SET_STATE(radio, MM_RADIO_STATE_READY);
 984         }
 985
 986         if (!radio->stop_scan)
 987                 MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SCAN_FINISH, NULL);
 988         else
 989                 MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SCAN_STOP, NULL);
 990
 991         MMRADIO_LOG_FLEAVE();
 992
 993         pthread_exit(NULL);
 994
 995         return;
 996 }
 997
 998 bool __is_tunable_frequency(mm_radio_t *radio, int freq)
 999 {
1000         MMRADIO_LOG_FENTER();
1001
1002         MMRADIO_CHECK_INSTANCE(radio);
1003
1004         if (freq >= radio->region_setting.band_max
1005                 || freq <= radio->region_setting.band_min)
1006                 return false;
1007
1008         MMRADIO_LOG_FLEAVE();
1009
1010         return true;
1011 }
1012
1013 void __mmradio_seek_thread(mm_radio_t *radio)
1014 {
1015         int ret = MM_ERROR_NONE;
1016         uint32_t freq = 0;
1017         MMMessageParamType param = {0, };
1018
1019         MMRADIO_LOG_FENTER();
1020         MMRADIO_CHECK_INSTANCE_RETURN_VOID(radio);
1021
1022         MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SEEK_START, NULL);
1023
1024         MMRADIO_LOG_DEBUG("seeking....\n");
1025
1026         if (!radio->seek_cancel) {
1027
1028                 MMRADIO_LOG_DEBUG("try to seek ");
1029                 pthread_mutex_lock(&radio->seek_cancel_mutex);
1030                 MMRADIO_LOG_DEBUG("seek start\n");
1031
1032                 if (radio->seek_cancel) {
1033                         MMRADIO_LOG_DEBUG("seek was canceled so we return failure to application");
1034                         pthread_mutex_unlock(&radio->seek_cancel_mutex);
1035                         goto SEEK_FAILED;
1036                 }
1037
1038                 ret = radio_hal_seek(radio->hal_inf, radio->seek_direction);
1039                 pthread_mutex_unlock(&radio->seek_cancel_mutex);
1040                 if (ret) {
1041                         MMRADIO_LOG_ERROR("radio_hal_seek failed\n");
1042                         goto SEEK_FAILED;
1043                 }
1044
1045                 /* now we can get new frequency from radio device */
1046                 ret = radio_hal_get_frequency(radio->hal_inf, &freq);
1047                 if (ret) {
1048                         MMRADIO_LOG_ERROR("failed to get current frequency\n");
1049                         goto SEEK_FAILED;
1050                 }
1051
1052                 MMRADIO_LOG_DEBUG("found frequency\n");
1053
1054                 /* if same freq is found, ignore it and search next one. */
1055                 if (freq == radio->prev_seek_freq) {
1056                         MMRADIO_LOG_DEBUG("It's same with previous found one. So, trying next one. \n");
1057                         goto SEEK_FAILED;
1058                 }
1059
1060                 /* check if it's limit freq or not */
1061                 if (__is_tunable_frequency(radio, freq)) {
1062                         /* now tune to new frequency */
1063                         ret = radio_hal_set_frequency(radio->hal_inf, freq);
1064                         if (ret) {
1065                                 MMRADIO_LOG_ERROR("failed to tune to new frequency\n");
1066                                 goto SEEK_FAILED;
1067                         }
1068                 }
1069
1070                 if (radio->seek_unmute) {
1071                         /* now turn on radio
1072                          * In the case of limit freq, tuner should be unmuted.
1073                          * Otherwise, sound can't output even though application set new frequency.
1074                          */
1075                         ret = radio_hal_unmute(radio->hal_inf);
1076                         if (ret) {
1077                                 MMRADIO_LOG_ERROR("failed to tune to new frequency\n");
1078                                 goto SEEK_FAILED;
1079                         }
1080                         radio->seek_unmute = FALSE;
1081                 }
1082
1083                 param.radio_scan.frequency = radio->prev_seek_freq = (int)freq;
1084                 MMRADIO_LOG_DEBUG("seeking : new frequency : [%d]\n", param.radio_scan.frequency);
1085                 MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SEEK_FINISH, &param);
1086         }
1087
1088         radio->seek_thread = 0;
1089         radio->is_seeking = FALSE;
1090
1091         MMRADIO_LOG_FLEAVE();
1092
1093         pthread_exit(NULL);
1094         return;
1095
1096 SEEK_FAILED:
1097
1098         if (radio->seek_unmute) {
1099                 /* now turn on radio
1100                 * In the case of limit freq, tuner should be unmuted.
1101                 * Otherwise, sound can't output even though application set new frequency.
1102                 */
1103                 ret = radio_hal_unmute(radio->hal_inf);
1104                 if (ret)
1105                         MMRADIO_LOG_ERROR("failed to tune to new frequency\n");
1106                 radio->seek_unmute = FALSE;
1107         }
1108         /* freq -1 means it's failed to seek */
1109         param.radio_scan.frequency = -1;
1110         MMRADIO_POST_MSG(radio, MM_MESSAGE_RADIO_SEEK_FINISH, &param);
1111         radio->is_seeking = FALSE;
1112         pthread_exit(NULL);
1113         return;
1114 }
1115
1116 static bool __mmradio_post_message(mm_radio_t *radio, enum MMMessageType msgtype, MMMessageParamType *param)
1117 {
1118         MMRADIO_CHECK_INSTANCE(radio);
1119
1120         MMRADIO_LOG_FENTER();
1121
1122         if (!radio->msg_cb) {
1123                 debug_warning("failed to post a message\n");
1124                 return false;
1125         }
1126
1127         MMRADIO_LOG_DEBUG("address of msg_cb : %p\n", radio->msg_cb);
1128
1129         radio->msg_cb(msgtype, param, radio->msg_cb_param);
1130
1131         MMRADIO_LOG_FLEAVE();
1132
1133         return true;
1134 }
1135
1136 static int __mmradio_check_state(mm_radio_t *radio, MMRadioCommand command)
1137 {
1138         MMRadioStateType radio_state = MM_RADIO_STATE_NUM;
1139
1140         MMRADIO_LOG_FENTER();
1141
1142         MMRADIO_CHECK_INSTANCE(radio);
1143
1144         radio_state = __mmradio_get_state(radio);
1145
1146         MMRADIO_LOG_DEBUG("incomming command : %d  current state : %d\n", command, radio_state);
1147
1148         switch (command) {
1149         case MMRADIO_COMMAND_CREATE:
1150                 {
1151                         if (radio_state != 0)
1152                                 goto NO_OP;
1153                 }
1154                 break;
1155
1156         case MMRADIO_COMMAND_REALIZE:
1157                 {
1158                         if (radio_state == MM_RADIO_STATE_READY ||
1159                                 radio_state == MM_RADIO_STATE_PLAYING ||
1160                                 radio_state == MM_RADIO_STATE_SCANNING)
1161                                 goto NO_OP;
1162
1163                         if (radio_state == 0)
1164                                 goto INVALID_STATE;
1165                 }
1166                 break;
1167
1168         case MMRADIO_COMMAND_UNREALIZE:
1169                 {
1170                         if (radio_state == MM_RADIO_STATE_NULL)
1171                                 goto NO_OP;
1172
1173                         /* we can call unrealize at any higher state */
1174                 }
1175                 break;
1176
1177         case MMRADIO_COMMAND_START:
1178                 {
1179                         if (radio_state == MM_RADIO_STATE_PLAYING)
1180                                 goto NO_OP;
1181
1182                         if (radio_state != MM_RADIO_STATE_READY)
1183                                 goto INVALID_STATE;
1184                 }
1185                 break;
1186
1187         case MMRADIO_COMMAND_STOP:
1188                 {
1189                         if (radio_state == MM_RADIO_STATE_READY)
1190                                 goto NO_OP;
1191
1192                         if (radio_state != MM_RADIO_STATE_PLAYING)
1193                                 goto INVALID_STATE;
1194                 }
1195                 break;
1196
1197         case MMRADIO_COMMAND_START_SCAN:
1198                 {
1199                         if (radio_state == MM_RADIO_STATE_SCANNING)
1200                                 goto NO_OP;
1201
1202                         if (radio_state == MM_RADIO_STATE_NULL)
1203                                 goto INVALID_STATE;
1204                 }
1205                 break;
1206
1207         case MMRADIO_COMMAND_STOP_SCAN:
1208                 {
1209                         if (radio_state == MM_RADIO_STATE_READY)
1210                                 goto NO_OP;
1211
1212                         if (radio_state != MM_RADIO_STATE_SCANNING)
1213                                 goto INVALID_STATE;
1214                 }
1215                 break;
1216
1217         case MMRADIO_COMMAND_DESTROY:
1218         case MMRADIO_COMMAND_MUTE:
1219         case MMRADIO_COMMAND_UNMUTE:
1220         case MMRADIO_COMMAND_SET_FREQ:
1221         case MMRADIO_COMMAND_GET_FREQ:
1222         case MMRADIO_COMMAND_SET_REGION:
1223         case MMRADIO_COMMAND_SET_VOLUME:
1224         case MMRADIO_COMMAND_GET_VOLUME:
1225                 {
1226                         /* we can do it at any state */
1227                 }
1228                 break;
1229
1230         case MMRADIO_COMMAND_SEEK:
1231                 {
1232                         if (radio_state != MM_RADIO_STATE_PLAYING)
1233                                 goto INVALID_STATE;
1234                 }
1235                 break;
1236
1237         case MMRADIO_COMMAND_GET_REGION:
1238                 {
1239                         if (radio_state == MM_RADIO_STATE_NULL)
1240                                 goto INVALID_STATE;
1241                 }
1242                 break;
1243
1244         default:
1245                 MMRADIO_LOG_DEBUG("not handled in FSM. don't care it\n");
1246                 break;
1247         }
1248
1249         MMRADIO_LOG_DEBUG("status OK\n");
1250
1251         radio->cmd = command;
1252
1253         MMRADIO_LOG_FLEAVE();
1254
1255         return MM_ERROR_NONE;
1256
1257  INVALID_STATE:
1258         debug_warning("invalid state. current : %d  command : %d\n", radio_state, command);
1259         MMRADIO_LOG_FLEAVE();
1260         return MM_ERROR_RADIO_INVALID_STATE;
1261
1262  NO_OP:
1263         debug_warning("mm-radio is in the desired state(%d). doing noting\n", radio_state);
1264         MMRADIO_LOG_FLEAVE();
1265         return MM_ERROR_RADIO_NO_OP;
1266
1267 }
1268
1269 static bool __mmradio_set_state(mm_radio_t *radio, int new_state)
1270 {
1271         MMMessageParamType msg = { 0, };
1272         int msg_type = MM_MESSAGE_UNKNOWN;
1273
1274         MMRADIO_LOG_FENTER();
1275         MMRADIO_CHECK_INSTANCE(radio);
1276
1277         if (!radio) {
1278                 debug_warning("calling set_state with invalid radio handle\n");
1279                 return false;
1280         }
1281
1282         if (radio->current_state == new_state && radio->pending_state == 0) {
1283                 debug_warning("we are in same state\n");
1284                 return true;
1285         }
1286
1287         /* set state */
1288         radio->old_state = radio->current_state;
1289         radio->current_state = new_state;
1290
1291         /* fill message param */
1292         msg.state.previous = radio->old_state;
1293         msg.state.current = radio->current_state;
1294
1295 #ifdef TIZEN_FEATURE_SOUND_FOCUS
1296         /* post message to application */
1297         switch (radio->sound_focus.by_focus_cb) {
1298         case MMRADIO_FOCUS_CB_NONE:
1299                 {
1300                         msg_type = MM_MESSAGE_STATE_CHANGED;
1301                         MMRADIO_POST_MSG(radio, msg_type, &msg);
1302                 }
1303                 break;
1304
1305         case MMRADIO_FOCUS_CB_POSTMSG:
1306                 {
1307                         msg_type = MM_MESSAGE_STATE_INTERRUPTED;
1308                         msg.union_type = MM_MSG_UNION_CODE;
1309                         msg.code = radio->sound_focus.event_src;
1310                         MMRADIO_POST_MSG(radio, msg_type, &msg);
1311                 }
1312                 break;
1313
1314         case MMRADIO_FOCUS_CB_SKIP_POSTMSG:
1315         default:
1316                 break;
1317         }
1318 #else
1319         msg_type = MM_MESSAGE_STATE_CHANGED;
1320         MMRADIO_POST_MSG(radio, msg_type, &msg);
1321 #endif
1322
1323         MMRADIO_LOG_FLEAVE();
1324
1325         return true;
1326 }
1327
1328 static int __mmradio_get_state(mm_radio_t *radio)
1329 {
1330         MMRADIO_CHECK_INSTANCE(radio);
1331
1332         MMRADIO_LOG_DEBUG("radio state : current : [%d]   old : [%d]   pending : [%d]\n",
1333                 radio->current_state, radio->old_state, radio->pending_state);
1334
1335         return radio->current_state;
1336 }
1337
1338 #ifdef TIZEN_FEATURE_SOUND_FOCUS
1339 static void __mmradio_sound_focus_cb(int id, mm_sound_focus_type_e focus_type,
1340         mm_sound_focus_state_e focus_state, const char *reason_for_change, int option,
1341         const char *additional_info, void *user_data)
1342 {
1343         mm_radio_t *radio = (mm_radio_t *)user_data;
1344         enum MMMessageInterruptedCode event_source;
1345         int result = MM_ERROR_NONE;
1346         int postMsg = false;
1347
1348         MMRADIO_LOG_FENTER();
1349         MMRADIO_CHECK_INSTANCE_RETURN_VOID(radio);
1350
1351         mmradio_get_sound_focus_reason(focus_state, reason_for_change, &event_source, &postMsg);
1352         radio->sound_focus.event_src = event_source;
1353
1354         switch (focus_state) {
1355         case FOCUS_IS_RELEASED:{
1356                         radio->sound_focus.cur_focus_type &= ~focus_type;
1357                         radio->sound_focus.by_focus_cb = MMRADIO_FOCUS_CB_POSTMSG;
1358
1359                         result = _mmradio_stop(radio);
1360                         if (result)
1361                                 MMRADIO_LOG_ERROR("failed to stop radio\n");
1362
1363                         MMRADIO_LOG_DEBUG("FOCUS_IS_RELEASED cur_focus_type : %d\n", radio->sound_focus.cur_focus_type);
1364                 }
1365                 break;
1366
1367         case FOCUS_IS_ACQUIRED:{
1368                         MMMessageParamType msg = { 0, };
1369                         msg.union_type = MM_MSG_UNION_CODE;
1370                         msg.code = event_source;
1371
1372                         radio->sound_focus.cur_focus_type |= focus_type;
1373
1374                         if ((postMsg) && (FOCUS_FOR_BOTH == radio->sound_focus.cur_focus_type))
1375                                 MMRADIO_POST_MSG(radio, MM_MESSAGE_READY_TO_RESUME, &msg);
1376
1377                         radio->sound_focus.by_focus_cb = MMRADIO_FOCUS_CB_NONE;
1378
1379                         MMRADIO_LOG_DEBUG("FOCUS_IS_ACQUIRED cur_focus_type : %d\n", radio->sound_focus.cur_focus_type);
1380                 }
1381                 break;
1382
1383         default:
1384                 MMRADIO_LOG_DEBUG("Unknown focus_state\n");
1385                 break;
1386         }
1387
1388         MMRADIO_LOG_FLEAVE();
1389 }
1390
1391 static void __mmradio_sound_focus_watch_cb(int id, mm_sound_focus_type_e focus_type,
1392         mm_sound_focus_state_e focus_state, const char *reason_for_change,
1393         const char *additional_info, void *user_data)
1394 {
1395         mm_radio_t *radio = (mm_radio_t *)user_data;
1396         enum MMMessageInterruptedCode event_source;
1397         int result = MM_ERROR_NONE;
1398         int postMsg = false;
1399
1400         MMRADIO_LOG_FENTER();
1401         MMRADIO_CHECK_INSTANCE_RETURN_VOID(radio);
1402
1403         mmradio_get_sound_focus_reason(focus_state, reason_for_change, &event_source, &postMsg);
1404         radio->sound_focus.event_src = event_source;
1405
1406         switch (focus_state) {
1407         case FOCUS_IS_ACQUIRED: {
1408                         radio->sound_focus.cur_focus_type &= ~focus_type;
1409                         radio->sound_focus.by_focus_cb = MMRADIO_FOCUS_CB_POSTMSG;
1410
1411                         result = _mmradio_stop(radio);
1412                         if (result)
1413                                 MMRADIO_LOG_ERROR("failed to stop radio\n");
1414
1415                         MMRADIO_LOG_DEBUG("FOCUS_IS_RELEASED cur_focus_type : %d\n", radio->sound_focus.cur_focus_type);
1416                 }
1417                 break;
1418
1419         case FOCUS_IS_RELEASED: {
1420                         MMMessageParamType msg = { 0, };
1421                         msg.union_type = MM_MSG_UNION_CODE;
1422                         msg.code = event_source;
1423
1424                         radio->sound_focus.cur_focus_type |= focus_type;
1425
1426                         if ((postMsg) && (FOCUS_FOR_BOTH == radio->sound_focus.cur_focus_type))
1427                                 MMRADIO_POST_MSG(radio, MM_MESSAGE_READY_TO_RESUME, &msg);
1428
1429                         radio->sound_focus.by_focus_cb = MMRADIO_FOCUS_CB_NONE;
1430
1431                         MMRADIO_LOG_DEBUG("FOCUS_IS_ACQUIRED cur_focus_type : %d\n", radio->sound_focus.cur_focus_type);
1432                 }
1433                 break;
1434
1435         default:
1436                 MMRADIO_LOG_DEBUG("Unknown focus_state\n");
1437                 break;
1438         }
1439
1440         MMRADIO_LOG_FLEAVE();
1441 }
1442 #endif
1443
1444 static int __mmradio_set_total_volume(mm_radio_t *radio)
1445 {
1446         int ret = MM_ERROR_NONE;
1447         float total_volume = 0.0f;
1448
1449         MMRADIO_CHECK_INSTANCE(radio);
1450
1451         MMRADIO_VOLUME_LOCK(radio);
1452         if (radio->max_media_volume != 0)
1453                 total_volume = ((float)radio->media_volume / (float)radio->max_media_volume) * radio->local_volume;
1454         else
1455                 MMRADIO_LOG_WARNING("max media voulme is zero");
1456
1457         ret = radio_hal_set_volume(radio->hal_inf, total_volume);
1458         if (ret != MM_ERROR_NONE)
1459                 MMRADIO_LOG_ERROR("radio_hal_set_volume error");
1460
1461         MMRADIO_VOLUME_UNLOCK(radio);
1462         return ret;
1463
1464 }
1465
1466 static void __mmradio_volume_changed_cb(volume_type_t type, unsigned int volume, void *user_data)
1467 {
1468         mm_radio_t *radio = (mm_radio_t *)user_data;
1469         MMRADIO_CHECK_INSTANCE_RETURN_VOID(radio);
1470         if (type == VOLUME_TYPE_MEDIA) {
1471                 MMRADIO_LOG_DEBUG("Change FM Radio volume to %d", volume);
1472                 MMRADIO_VOLUME_LOCK(radio);
1473                 radio->media_volume = volume;
1474                 MMRADIO_VOLUME_UNLOCK(radio);
1475                 __mmradio_set_total_volume(radio);
1476         }
1477 }
1478
1479 int _mmradio_get_region_type(mm_radio_t *radio, MMRadioRegionType *type)
1480 {
1481         MMRADIO_LOG_FENTER();
1482         MMRADIO_CHECK_INSTANCE(radio);
1483         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_GET_REGION);
1484
1485         return_val_if_fail(type, MM_ERROR_INVALID_ARGUMENT);
1486
1487         *type = radio->region_setting.country;
1488
1489         MMRADIO_LOG_FLEAVE();
1490         return MM_ERROR_NONE;
1491 }
1492
1493 int _mmradio_get_region_frequency_range(mm_radio_t *radio, unsigned int *min_freq, unsigned int *max_freq)
1494 {
1495         MMRADIO_LOG_FENTER();
1496         MMRADIO_CHECK_INSTANCE(radio);
1497         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_GET_REGION);
1498
1499         return_val_if_fail(min_freq && max_freq, MM_ERROR_INVALID_ARGUMENT);
1500
1501         *min_freq = radio->region_setting.band_min;
1502         *max_freq = radio->region_setting.band_max;
1503
1504         MMRADIO_LOG_FLEAVE();
1505         return MM_ERROR_NONE;
1506 }
1507
1508 int _mmradio_get_channel_spacing(mm_radio_t *radio, unsigned int *ch_spacing)
1509 {
1510         MMRADIO_LOG_FENTER();
1511         MMRADIO_CHECK_INSTANCE(radio);
1512         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_GET_REGION);
1513
1514         return_val_if_fail(ch_spacing, MM_ERROR_INVALID_ARGUMENT);
1515
1516         *ch_spacing = radio->region_setting.channel_spacing;
1517
1518         MMRADIO_LOG_FLEAVE();
1519         return MM_ERROR_NONE;
1520 }
1521
1522 int _mmradio_set_volume(mm_radio_t *radio, float volume)
1523 {
1524         int ret = MM_ERROR_NONE;
1525
1526         MMRADIO_LOG_FENTER();
1527
1528         MMRADIO_CHECK_INSTANCE(radio);
1529         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_SET_VOLUME);
1530
1531         MMRADIO_LOG_DEBUG("Setting %f volume\n", volume);
1532
1533         MMRADIO_VOLUME_LOCK(radio);
1534         radio->local_volume = volume;
1535         MMRADIO_VOLUME_UNLOCK(radio);
1536
1537         ret = __mmradio_set_total_volume(radio);
1538
1539         MMRADIO_LOG_FLEAVE();
1540         return ret;
1541
1542 }
1543
1544 int _mmradio_get_volume(mm_radio_t *radio, float *pVolume)
1545 {
1546         int ret = MM_ERROR_NONE;
1547         float total_volume = 0.0;
1548         float volume = 0.0;
1549         MMRADIO_LOG_FENTER();
1550
1551         MMRADIO_CHECK_INSTANCE(radio);
1552         MMRADIO_CHECK_STATE_RETURN_IF_FAIL(radio, MMRADIO_COMMAND_GET_VOLUME);
1553
1554         return_val_if_fail(pVolume, MM_ERROR_INVALID_ARGUMENT);
1555
1556         ret = radio_hal_get_volume(radio->hal_inf, &total_volume);
1557         if (ret != MM_ERROR_NONE) {
1558                 MMRADIO_LOG_ERROR("radio_hal_get_volume error");
1559                 *pVolume = 0;
1560                 return ret;
1561         }
1562
1563         MMRADIO_VOLUME_LOCK(radio);
1564
1565         if (radio->media_volume)
1566                 volume = total_volume * ((float)radio->max_media_volume / (float)radio->media_volume);
1567
1568         MMRADIO_LOG_DEBUG("total_volume = %f, max_media_volue = %d, media_volume = %d, volume = %f",
1569                 total_volume, radio->max_media_volume, radio->media_volume, volume);
1570
1571         /* update volume in handle */
1572         if (fabs(radio->local_volume - volume) >= FLT_EPSILON) {
1573                 radio->local_volume = volume;
1574         }
1575
1576         *pVolume = (float)radio->local_volume;
1577         MMRADIO_VOLUME_UNLOCK(radio);
1578
1579         MMRADIO_LOG_FLEAVE();
1580
1581         return ret;
1582 }
1583