tizen 2.4 release
[framework/api/radio.git] / src / radio.c
index 106829c..eba7788 100644 (file)
@@ -11,7 +11,7 @@
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
-* limitations under the License. 
+* limitations under the License.
 */
 
 #include <stdio.h>
@@ -21,7 +21,7 @@
 #include <radio_private.h>
 #include <dlog.h>
 #include <glib.h>
-
+#include <system_info.h>
 
 #ifdef LOG_TAG
 #undef LOG_TAG
 /*
 * Internal Macros
 */
-#define RADIO_CHECK_CONDITION(condition,error,msg)     \
-               if(condition) {} else \
-               { LOGE("[%s] %s(0x%08x)",(char*)__FUNCTION__, msg,error); return error;}; \
+#define RADIO_CHECK_CONDITION(condition, error, msg)   \
+       if (condition) { } else \
+               { LOGE("[%s] %s(0x%08x)", (char *)__FUNCTION__, msg, error); return error; }; \
 
 #define RADIO_INSTANCE_CHECK(radio)    \
-       RADIO_CHECK_CONDITION(radio != NULL, RADIO_ERROR_INVALID_PARAMETER,"RADIO_ERROR_INVALID_PARAMETER")
-       
-#define RADIO_STATE_CHECK(radio,expected_state)        \
-       RADIO_CHECK_CONDITION(radio->state == expected_state,RADIO_ERROR_INVALID_STATE,"RADIO_ERROR_INVALID_STATE")
+       RADIO_CHECK_CONDITION(radio != NULL, RADIO_ERROR_INVALID_PARAMETER, "RADIO_ERROR_INVALID_PARAMETER")
+
+#define RADIO_STATE_CHECK(radio, expected_state)       \
+       RADIO_CHECK_CONDITION(radio->state == expected_state, RADIO_ERROR_INVALID_STATE, "RADIO_ERROR_INVALID_STATE")
 
 #define RADIO_NULL_ARG_CHECK(arg)      \
-       RADIO_CHECK_CONDITION(arg != NULL,RADIO_ERROR_INVALID_PARAMETER,"RADIO_ERROR_INVALID_PARAMETER")
+       RADIO_CHECK_CONDITION(arg != NULL, RADIO_ERROR_INVALID_PARAMETER, "RADIO_ERROR_INVALID_PARAMETER")
+
+#define RADIO_SUPPORT_CHECK(arg)       \
+       RADIO_CHECK_CONDITION(arg != false, RADIO_ERROR_NOT_SUPPORTED, "RADIO_ERROR_NOT_SUPPORTED")
 
 /*
 * Internal Implementation
 */
-int _convert_error_code(int code, char *func_name)
+int __convert_error_code(int code, char *func_name)
 {
        int ret = RADIO_ERROR_NONE;
-       char* msg="RADIO_ERROR_NONE";
-       switch(code)
-       {
+       char *msg = "RADIO_ERROR_NONE";
+       LOGI("[%s] Enter code :%x", __func__, code);
+       switch (code) {
                case MM_ERROR_NONE:
                        ret = RADIO_ERROR_NONE;
                        msg = "RADIO_ERROR_NONE";
@@ -64,10 +67,12 @@ int _convert_error_code(int code, char *func_name)
                        break;
                case MM_ERROR_RADIO_NOT_INITIALIZED:
                case MM_ERROR_RADIO_NO_OP:
+               case MM_ERROR_RADIO_INVALID_STATE:
                        ret = RADIO_ERROR_INVALID_STATE;
                        msg = "RADIO_ERROR_INVALID_STATE";
                        break;
                case MM_ERROR_COMMON_INVALID_ARGUMENT:
+               case MM_ERROR_INVALID_ARGUMENT:
                        ret = RADIO_ERROR_INVALID_PARAMETER;
                        msg = "RADIO_ERROR_INVALID_PARAMETER";
                        break;
@@ -80,22 +85,32 @@ int _convert_error_code(int code, char *func_name)
                        break;
                case  MM_ERROR_RADIO_INTERNAL:
                case  MM_ERROR_RADIO_RESPONSE_TIMEOUT:
-               case  MM_ERROR_RADIO_DEVICE_NOT_OPENED:
-               case  MM_ERROR_RADIO_DEVICE_NOT_FOUND:
-               default :
-                       ret= RADIO_ERROR_INVALID_OPERATION;
+                       ret = RADIO_ERROR_INVALID_OPERATION;
                        msg = "RADIO_ERROR_INVALID_OPERATION";
-       } 
-       LOGE("[%s] %s(0x%08x) : core fw error(0x%x)",func_name,msg, ret, code);
-       return ret;     
+                       break;
+               case  MM_ERROR_RADIO_DEVICE_NOT_FOUND:
+                       ret = RADIO_ERROR_NOT_SUPPORTED;
+                       msg = "RADIO_ERROR_NOT_SUPPORTED";
+                       break;
+               case MM_ERROR_RADIO_NO_ANTENNA:
+                       ret = RADIO_ERROR_NO_ANTENNA;
+                       msg = "RADIO_ERROR_NO_ANTENNA";
+                       break;
+               case  MM_ERROR_RADIO_DEVICE_NOT_OPENED:
+               default:
+                       ret = RADIO_ERROR_PERMISSION_DENIED;
+                       msg = "RADIO_ERROR_PERMISSION_DENIED";
+       }
+       LOGE("[%s] %s(0x%08x) : core fw error(0x%x)", func_name, msg, ret, code);
+       return ret;
 }
 
-radio_state_e _convert_radio_state(MMRadioStateType state)
+static radio_state_e __convert_radio_state(MMRadioStateType state)
 {
        int converted_state = RADIO_STATE_READY;
-       switch(state)
-       {
-               
+       LOGI("[%s] Enter state: %d", __func__, state);
+       switch (state) {
+
                case MM_RADIO_STATE_PLAYING:
                        converted_state = RADIO_STATE_PLAYING;
                        break;
@@ -105,126 +120,182 @@ radio_state_e _convert_radio_state(MMRadioStateType state)
                case MM_RADIO_STATE_NULL:
                case MM_RADIO_STATE_READY:
                default:
-                        converted_state = RADIO_STATE_READY;
-                        break;
+                       converted_state = RADIO_STATE_READY;
+                       break;
        }
+       LOGI("[%s] Leave converted_state: %d", __func__, converted_state);
        return converted_state;
 }
 
-int _set_callback(_radio_event_e type, radio_h radio, void* callback, void *user_data)
+
+static radio_interrupted_code_e __convert_interrupted_code(int code)
+{
+       LOGI("[%s] Enter code: %d", __func__, code);
+       radio_interrupted_code_e ret = RADIO_INTERRUPTED_BY_RESOURCE_CONFLICT;
+       switch (code) {
+               case MM_MSG_CODE_INTERRUPTED_BY_CALL_END:
+               case MM_MSG_CODE_INTERRUPTED_BY_ALARM_END:
+               case MM_MSG_CODE_INTERRUPTED_BY_EMERGENCY_END:
+               case MM_MSG_CODE_INTERRUPTED_BY_NOTIFICATION_END:
+                       ret = RADIO_INTERRUPTED_COMPLETED;
+                       break;
+               case MM_MSG_CODE_INTERRUPTED_BY_MEDIA:
+               case MM_MSG_CODE_INTERRUPTED_BY_OTHER_PLAYER_APP:
+                       ret = RADIO_INTERRUPTED_BY_MEDIA;
+                       break;
+               case MM_MSG_CODE_INTERRUPTED_BY_CALL_START:
+                       ret = RADIO_INTERRUPTED_BY_CALL;
+                       break;
+               case MM_MSG_CODE_INTERRUPTED_BY_EARJACK_UNPLUG:
+                       ret = RADIO_INTERRUPTED_BY_EARJACK_UNPLUG;
+                       break;
+               case MM_MSG_CODE_INTERRUPTED_BY_ALARM_START:
+                       ret = RADIO_INTERRUPTED_BY_ALARM;
+                       break;
+               case MM_MSG_CODE_INTERRUPTED_BY_NOTIFICATION_START:
+                       ret = RADIO_INTERRUPTED_BY_NOTIFICATION;
+                       break;
+               case MM_MSG_CODE_INTERRUPTED_BY_EMERGENCY_START:
+                       ret = RADIO_INTERRUPTED_BY_EMERGENCY;
+                       break;
+               case MM_MSG_CODE_INTERRUPTED_BY_RESOURCE_CONFLICT:
+               default:
+                       ret = RADIO_INTERRUPTED_BY_RESOURCE_CONFLICT;
+                       break;
+       }
+       LOGE("[%s] interrupted code(%d) => ret(%d)", __FUNCTION__, code, ret);
+       return ret;
+}
+
+static int __set_callback(_radio_event_e type, radio_h radio, void *callback, void *user_data)
 {
        RADIO_INSTANCE_CHECK(radio);
        RADIO_NULL_ARG_CHECK(callback);
-       radio_s * handle = (radio_s *) radio; 
+       radio_s *handle = (radio_s *) radio;
        handle->user_cb[type] = callback;
        handle->user_data[type] = user_data;
-       LOGI("[%s] Event type : %d ",__FUNCTION__, type);
-       return RADIO_ERROR_NONE; 
+       LOGI("[%s] Event type : %d ", __FUNCTION__, type);
+       return RADIO_ERROR_NONE;
 }
 
-int _unset_callback(_radio_event_e type, radio_h radio)
+static int __unset_callback(_radio_event_e type, radio_h radio)
 {
        RADIO_INSTANCE_CHECK(radio);
-       radio_s * handle = (radio_s *) radio; 
+       radio_s *handle = (radio_s *) radio;
        handle->user_cb[type] = NULL;
        handle->user_data[type] = NULL;
-       LOGI("[%s] Event type : %d ",__FUNCTION__, type);
-       return RADIO_ERROR_NONE; 
+       LOGI("[%s] Event type : %d ", __FUNCTION__, type);
+       return RADIO_ERROR_NONE;
 }
 
-int _msg_callback(int message, void *param, void *user_data)
+static int __msg_callback(int message, void *param, void *user_data)
 {
-       radio_s * handle = (radio_s*)user_data;
-       MMMessageParamType *msg = (MMMessageParamType*)param;
-       LOGI("[%s] Got message type : 0x%x" ,__FUNCTION__, message);
-       switch(message)
-       {
-               case MM_MESSAGE_RADIO_SCAN_INFO: 
-                       if( handle->user_cb[_RADIO_EVENT_TYPE_SCAN_INFO] )
-                       {
-                               ((radio_scan_updated_cb)handle->user_cb[_RADIO_EVENT_TYPE_SCAN_INFO])(msg->radio_scan.frequency,handle->user_data[_RADIO_EVENT_TYPE_SCAN_INFO]);
-                       }       
-                       break;  
-               case MM_MESSAGE_RADIO_SCAN_STOP: 
-                       if( handle->user_cb[_RADIO_EVENT_TYPE_SCAN_STOP] )
-                       {
+       radio_s *handle = (radio_s *)user_data;
+       MMMessageParamType *msg = (MMMessageParamType *)param;
+       LOGI("[%s] Got message type : 0x%x" , __FUNCTION__, message);
+       switch (message) {
+               case MM_MESSAGE_RADIO_SCAN_INFO:
+                       if (handle->user_cb[_RADIO_EVENT_TYPE_SCAN_INFO]) {
+                               ((radio_scan_updated_cb)handle->user_cb[_RADIO_EVENT_TYPE_SCAN_INFO])(msg->radio_scan.frequency, handle->user_data[_RADIO_EVENT_TYPE_SCAN_INFO]);
+                       }
+                       break;
+               case MM_MESSAGE_RADIO_SCAN_STOP:
+                       if (handle->user_cb[_RADIO_EVENT_TYPE_SCAN_STOP]) {
                                ((radio_scan_stopped_cb)handle->user_cb[_RADIO_EVENT_TYPE_SCAN_STOP])(handle->user_data[_RADIO_EVENT_TYPE_SCAN_STOP]);
                        }
                        break;
                case MM_MESSAGE_RADIO_SCAN_FINISH:
-                       if( handle->user_cb[_RADIO_EVENT_TYPE_SCAN_FINISH] )
-                       {
+                       if (handle->user_cb[_RADIO_EVENT_TYPE_SCAN_FINISH]) {
                                ((radio_scan_completed_cb)handle->user_cb[_RADIO_EVENT_TYPE_SCAN_FINISH])(handle->user_data[_RADIO_EVENT_TYPE_SCAN_FINISH]);
                        }
                        break;
-               case MM_MESSAGE_RADIO_SEEK_FINISH: 
-                       if( handle->user_cb[_RADIO_EVENT_TYPE_SEEK_FINISH] )
-                       {
+               case MM_MESSAGE_RADIO_SEEK_FINISH:
+                       if (handle->user_cb[_RADIO_EVENT_TYPE_SEEK_FINISH]) {
                                ((radio_seek_completed_cb)handle->user_cb[_RADIO_EVENT_TYPE_SEEK_FINISH])(msg->radio_scan.frequency, handle->user_data[_RADIO_EVENT_TYPE_SEEK_FINISH]);
-                       }       
+                       }
                        break;
-               case MM_MESSAGE_STATE_INTERRUPTED: 
-                       if( handle->user_cb[_RADIO_EVENT_TYPE_INTERRUPT] )
-                       {
-                               ((radio_interrupted_cb)handle->user_cb[_RADIO_EVENT_TYPE_INTERRUPT])(msg->code,handle->user_data[_RADIO_EVENT_TYPE_INTERRUPT]);
+               case MM_MESSAGE_STATE_INTERRUPTED:
+                       if (handle->user_cb[_RADIO_EVENT_TYPE_INTERRUPT]) {
+                               ((radio_interrupted_cb)handle->user_cb[_RADIO_EVENT_TYPE_INTERRUPT])(__convert_interrupted_code(msg->code), handle->user_data[_RADIO_EVENT_TYPE_INTERRUPT]);
                        }
                        break;
-               case  MM_MESSAGE_ERROR: 
-                               _convert_error_code(msg->code,(char*)__FUNCTION__);
+               case MM_MESSAGE_READY_TO_RESUME:
+                       if (handle->user_cb[_RADIO_EVENT_TYPE_INTERRUPT]) {
+                               ((radio_interrupted_cb)handle->user_cb[_RADIO_EVENT_TYPE_INTERRUPT])(RADIO_INTERRUPTED_COMPLETED, handle->user_data[_RADIO_EVENT_TYPE_INTERRUPT]);
+                       }
+                       break;
+               case  MM_MESSAGE_ERROR:
+                       __convert_error_code(msg->code, (char *)__FUNCTION__);
                        break;
-               case MM_MESSAGE_RADIO_SCAN_START: 
+               case MM_MESSAGE_RADIO_SCAN_START:
                        LOGI("[%s] Scan Started");
                        break;
-               case  MM_MESSAGE_STATE_CHANGED: 
-                       handle->state = _convert_radio_state(msg->state.current);
-                       LOGI("[%s] State Changed --- from : %d , to : %d" ,__FUNCTION__,  _convert_radio_state(msg->state.previous), handle->state);
+               case  MM_MESSAGE_STATE_CHANGED:
+                       handle->state = __convert_radio_state(msg->state.current);
+                       LOGI("[%s] State Changed --- from : %d , to : %d" , __FUNCTION__,  __convert_radio_state(msg->state.previous), handle->state);
                        break;
                case MM_MESSAGE_RADIO_SEEK_START:
                        LOGI("[%s] Seek Started", __FUNCTION__);
-                       break;  
+                       break;
                default:
                        break;
        }
        return 1;
 }
 
+static int __radio_check_system_info_feature_supported()
+{
+       bool bValue = false;
+       int nRetVal = false;
+
+       nRetVal = system_info_get_platform_bool("http://tizen.org/feature/fmradio", &bValue);
+
+       if (nRetVal != SYSTEM_INFO_ERROR_NONE) {
+               LOGE("[%s] SYSTEM_INFO_ERROR : ", __FUNCTION__);
+               return false;
+       }
+
+       if (false == bValue) {
+               LOGI("system_info_get_platform_bool returned Unsupported feature capability\n");
+       } else {
+               LOGI("system_info_get_platform_bool returned Supported status feature\n");
+       }
+
+       return bValue;
+}
 
 /*
 * Public Implementation
 */
 int radio_create(radio_h *radio)
 {
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
        RADIO_INSTANCE_CHECK(radio);
-       radio_s * handle;
-       handle = (radio_s*)malloc( sizeof(radio_s));
+       radio_s *handle;
+
+       handle = (radio_s *)malloc(sizeof(radio_s));
        if (handle != NULL)
                memset(handle, 0 , sizeof(radio_s));
-       else
-       {
-               LOGE("[%s] RADIO_ERROR_OUT_OF_MEMORY(0x%08x)" ,__FUNCTION__,RADIO_ERROR_OUT_OF_MEMORY);
+       else {
+               LOGE("[%s] RADIO_ERROR_OUT_OF_MEMORY(0x%08x)" , __FUNCTION__, RADIO_ERROR_OUT_OF_MEMORY);
                return RADIO_ERROR_OUT_OF_MEMORY;
        }
        int ret = mm_radio_create(&handle->mm_handle);
-       if( ret != MM_ERROR_NONE)
-       {
-               LOGE("[%s] RADIO_ERROR_INVALID_OPERATION(0x%08x)" ,__FUNCTION__,RADIO_ERROR_INVALID_OPERATION);
+       if (ret != MM_ERROR_NONE) {
                free(handle);
-               handle=NULL;
-               return RADIO_ERROR_INVALID_OPERATION;
-       }
-       else
-       {
+               handle = NULL;
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
                *radio = (radio_h)handle;
-               
-               ret = mm_radio_set_message_callback(handle->mm_handle, _msg_callback, (void*)handle);
-               if(ret != MM_ERROR_NONE)
-               {
-                       LOGW("[%s] Failed to set message callback function (0x%x)" ,__FUNCTION__, ret);
+
+               ret = mm_radio_set_message_callback(handle->mm_handle, __msg_callback, (void *)handle);
+               if (ret != MM_ERROR_NONE) {
+                       LOGW("[%s] Failed to set message callback function (0x%x)" , __FUNCTION__, ret);
                }
                ret = mm_radio_realize(handle->mm_handle);
-               if(ret != MM_ERROR_NONE)
-               {
-                       return _convert_error_code(ret,(char*)__FUNCTION__);
+               if (ret != MM_ERROR_NONE) {
+                       return __convert_error_code(ret, (char *)__FUNCTION__);
                }
                handle->state = RADIO_STATE_READY;
                handle->mute = FALSE;
@@ -234,45 +305,41 @@ int radio_create(radio_h *radio)
 
 int radio_destroy(radio_h radio)
 {
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
        RADIO_INSTANCE_CHECK(radio);
-       radio_s * handle = (radio_s *) radio;
+       radio_s *handle = (radio_s *) radio;
 
        int ret;
        ret = mm_radio_unrealize(handle->mm_handle);
-       if ( ret!= MM_ERROR_NONE)
-       {
-               LOGW("[%s] Failed to unrealize (0x%x)" ,__FUNCTION__, ret);
+       if (ret != MM_ERROR_NONE) {
+               LOGW("[%s] Failed to unrealize (0x%x)" , __FUNCTION__, ret);
        }
-       
+
        ret = mm_radio_destroy(handle->mm_handle);
-       if (ret!= MM_ERROR_NONE)
-       {
-               LOGE("[%s] RADIO_ERROR_INVALID_OPERATION (0x%08x)" ,__FUNCTION__,RADIO_ERROR_INVALID_OPERATION);
-               return RADIO_ERROR_INVALID_OPERATION;
-       }
-       else
-       {
+       if (ret != MM_ERROR_NONE) {
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
                free(handle);
-               handle= NULL;
+               handle = NULL;
                return RADIO_ERROR_NONE;
        }
 }
 
 int  radio_get_state(radio_h radio, radio_state_e *state)
 {
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
        RADIO_INSTANCE_CHECK(radio);
        RADIO_NULL_ARG_CHECK(state);
-       radio_s * handle = (radio_s *) radio;
+       radio_s *handle = (radio_s *) radio;
        MMRadioStateType currentStat = MM_RADIO_STATE_NULL;
        int ret = mm_radio_get_state(handle->mm_handle, &currentStat);
-       if(ret != MM_ERROR_NONE)
-       {
+       if (ret != MM_ERROR_NONE) {
                *state = handle->state;
-               return _convert_error_code(ret,(char*)__FUNCTION__);
-       }
-       else
-       {
-               handle->state  = _convert_radio_state(currentStat);
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
+               handle->state  = __convert_radio_state(currentStat);
                *state = handle->state;
                return RADIO_ERROR_NONE;
        }
@@ -280,17 +347,16 @@ int  radio_get_state(radio_h radio, radio_state_e *state)
 
 int radio_start(radio_h radio)
 {
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
        RADIO_INSTANCE_CHECK(radio);
-       radio_s * handle = (radio_s *) radio;
-       RADIO_STATE_CHECK(handle,RADIO_STATE_READY);  
+       radio_s *handle = (radio_s *) radio;
+       RADIO_STATE_CHECK(handle, RADIO_STATE_READY);
 
        int ret = mm_radio_start(handle->mm_handle);
-       if(ret != MM_ERROR_NONE)
-       {
-               return _convert_error_code(ret,(char*)__FUNCTION__);
-       }
-       else
-       {
+       if (ret != MM_ERROR_NONE) {
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
                handle->state = RADIO_STATE_PLAYING;
                return RADIO_ERROR_NONE;
        }
@@ -298,135 +364,138 @@ int radio_start(radio_h radio)
 
 int radio_stop(radio_h radio)
 {
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
        RADIO_INSTANCE_CHECK(radio);
-       radio_s * handle = (radio_s *) radio;
-       RADIO_STATE_CHECK(handle,RADIO_STATE_PLAYING);  
-       
+       radio_s *handle = (radio_s *) radio;
+       RADIO_STATE_CHECK(handle, RADIO_STATE_PLAYING);
+
        int ret = mm_radio_stop(handle->mm_handle);
-       if(ret != MM_ERROR_NONE)
-       {
-               return _convert_error_code(ret,(char*)__FUNCTION__);
-       }
-       else
-       {
+       if (ret != MM_ERROR_NONE) {
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
                handle->state = RADIO_STATE_READY;
                return RADIO_ERROR_NONE;
        }
 }
 
-int radio_seek_up(radio_h radio,radio_seek_completed_cb callback, void *user_data )
+int radio_seek_up(radio_h radio, radio_seek_completed_cb callback, void *user_data)
 {
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
        RADIO_INSTANCE_CHECK(radio);
-       radio_s * handle = (radio_s *) radio;
-       RADIO_STATE_CHECK(handle,RADIO_STATE_PLAYING);
-       
-       if(callback!=NULL)
-       {
-               _set_callback(_RADIO_EVENT_TYPE_SEEK_FINISH,radio,callback,user_data);
-       }
-       else
-       {
-               _unset_callback(_RADIO_EVENT_TYPE_SEEK_FINISH,radio);
+       radio_s *handle = (radio_s *) radio;
+       RADIO_STATE_CHECK(handle, RADIO_STATE_PLAYING);
+
+       if (callback != NULL) {
+               __set_callback(_RADIO_EVENT_TYPE_SEEK_FINISH, radio, callback, user_data);
+       } else {
+               __unset_callback(_RADIO_EVENT_TYPE_SEEK_FINISH, radio);
        }
-       
+
        int ret = mm_radio_seek(handle->mm_handle, MM_RADIO_SEEK_UP);
-       if(ret != MM_ERROR_NONE)
-       {
-               return _convert_error_code(ret,(char*)__FUNCTION__);
-       }
-       else
-       {
+       if (ret != MM_ERROR_NONE) {
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
                return RADIO_ERROR_NONE;
        }
 }
 
-int radio_seek_down(radio_h radio,radio_seek_completed_cb callback, void *user_data )
+int radio_seek_down(radio_h radio, radio_seek_completed_cb callback, void *user_data)
 {
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
        RADIO_INSTANCE_CHECK(radio);
-       radio_s * handle = (radio_s *) radio;
-       RADIO_STATE_CHECK(handle,RADIO_STATE_PLAYING);
-       
-       if(callback!=NULL)
-       {
-               _set_callback(_RADIO_EVENT_TYPE_SEEK_FINISH,radio,callback,user_data);
-       }
-       else
-       {
-               _unset_callback(_RADIO_EVENT_TYPE_SEEK_FINISH,radio);
+       radio_s *handle = (radio_s *) radio;
+       RADIO_STATE_CHECK(handle, RADIO_STATE_PLAYING);
+
+       if (callback != NULL) {
+               __set_callback(_RADIO_EVENT_TYPE_SEEK_FINISH, radio, callback, user_data);
+       } else {
+               __unset_callback(_RADIO_EVENT_TYPE_SEEK_FINISH, radio);
        }
-       
+
        int ret = mm_radio_seek(handle->mm_handle, MM_RADIO_SEEK_DOWN);
-       if(ret != MM_ERROR_NONE)
-       {
-               return _convert_error_code(ret,(char*)__FUNCTION__);
-       }
-       else
-       {
+       if (ret != MM_ERROR_NONE) {
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
                return RADIO_ERROR_NONE;
        }
 }
 
 int radio_set_frequency(radio_h radio, int frequency)
 {
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
        RADIO_INSTANCE_CHECK(radio);
-       if(frequency < 87500 || frequency > 108000)
-       {
-               LOGE("[%s] RADIO_ERROR_INVALID_PARAMETER(0x%08x) : Out of range (87500 ~ 108000)" ,__FUNCTION__,RADIO_ERROR_INVALID_PARAMETER);
+       if (frequency < 87500 || frequency > 108000) {
+               LOGE("[%s] RADIO_ERROR_INVALID_PARAMETER(0x%08x) : Out of range (87500 ~ 108000)" , __FUNCTION__, RADIO_ERROR_INVALID_PARAMETER);
                return RADIO_ERROR_INVALID_PARAMETER;
        }
-       int freq= frequency;
-       radio_s * handle = (radio_s *) radio;
+       int freq = frequency;
+       radio_s *handle = (radio_s *) radio;
        int ret = mm_radio_set_frequency(handle->mm_handle, freq);
-       if(ret != MM_ERROR_NONE)
-       {
-               return _convert_error_code(ret,(char*)__FUNCTION__);
-       }
-       else
-       {
+       if (ret != MM_ERROR_NONE) {
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
                return RADIO_ERROR_NONE;
        }
 }
 
 int radio_get_frequency(radio_h radio, int *frequency)
 {
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
        RADIO_INSTANCE_CHECK(radio);
-       radio_s * handle = (radio_s *) radio;
+       RADIO_NULL_ARG_CHECK(frequency);
+       radio_s *handle = (radio_s *) radio;
 
        int freq;
        int ret = mm_radio_get_frequency(handle->mm_handle, &freq);
-       if(ret != MM_ERROR_NONE)
-       {
-               return _convert_error_code(ret,(char*)__FUNCTION__);
+       if (ret != MM_ERROR_NONE) {
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
+               *frequency = freq;
+               return RADIO_ERROR_NONE;
        }
-       else
-       {
-               *frequency = freq; 
+}
+
+int radio_get_signal_strength(radio_h radio, int *strength)
+{
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
+       RADIO_INSTANCE_CHECK(radio);
+       RADIO_NULL_ARG_CHECK(strength);
+       radio_s *handle = (radio_s *) radio;
+
+       int _strength;
+       int ret = mm_radio_get_signal_strength(handle->mm_handle, &_strength);
+       if (ret != MM_ERROR_NONE) {
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
+               *strength = _strength;
                return RADIO_ERROR_NONE;
        }
-}      
+}
 
 int radio_scan_start(radio_h radio, radio_scan_updated_cb callback, void *user_data)
 {
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
        RADIO_INSTANCE_CHECK(radio);
-       radio_s * handle = (radio_s *) radio;
-       RADIO_STATE_CHECK(handle,RADIO_STATE_READY);  
+       radio_s *handle = (radio_s *) radio;
+       RADIO_STATE_CHECK(handle, RADIO_STATE_READY);
 
-       if(callback!=NULL)
-       {
-               _set_callback(_RADIO_EVENT_TYPE_SCAN_INFO,radio,callback,user_data);
+       if (callback != NULL) {
+               __set_callback(_RADIO_EVENT_TYPE_SCAN_INFO, radio, callback, user_data);
+       } else {
+               __unset_callback(_RADIO_EVENT_TYPE_SCAN_INFO, radio);
        }
-       else
-       {
-               _unset_callback(_RADIO_EVENT_TYPE_SCAN_INFO,radio);
-       }
-       
+
        int ret = mm_radio_scan_start(handle->mm_handle);
-       if(ret != MM_ERROR_NONE)
-       {
-               return _convert_error_code(ret,(char*)__FUNCTION__);
-       }
-       else
-       {
+       if (ret != MM_ERROR_NONE) {
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
                handle->state = RADIO_STATE_SCANNING;
                return RADIO_ERROR_NONE;
        }
@@ -434,26 +503,22 @@ int radio_scan_start(radio_h radio, radio_scan_updated_cb callback, void *user_d
 
 int radio_scan_stop(radio_h radio, radio_scan_stopped_cb callback, void *user_data)
 {
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
        RADIO_INSTANCE_CHECK(radio);
-       radio_s * handle = (radio_s *) radio;
-       RADIO_STATE_CHECK(handle,RADIO_STATE_SCANNING);  
+       radio_s *handle = (radio_s *) radio;
+       RADIO_STATE_CHECK(handle, RADIO_STATE_SCANNING);
 
-       if(callback!=NULL)
-       {
-               _set_callback(_RADIO_EVENT_TYPE_SCAN_STOP,radio,callback,user_data);
+       if (callback != NULL) {
+               __set_callback(_RADIO_EVENT_TYPE_SCAN_STOP, radio, callback, user_data);
+       } else {
+               __unset_callback(_RADIO_EVENT_TYPE_SCAN_STOP, radio);
        }
-       else
-       {
-               _unset_callback(_RADIO_EVENT_TYPE_SCAN_STOP,radio);
-       }
-       
+
        int ret = mm_radio_scan_stop(handle->mm_handle);
-       if(ret != MM_ERROR_NONE)
-       {
-               return _convert_error_code(ret,(char*)__FUNCTION__);
-       }
-       else
-       {
+       if (ret != MM_ERROR_NONE) {
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
                handle->state = RADIO_STATE_READY;
                return RADIO_ERROR_NONE;
        }
@@ -462,16 +527,15 @@ int radio_scan_stop(radio_h radio, radio_scan_stopped_cb callback, void *user_da
 
 int radio_set_mute(radio_h radio, bool muted)
 {
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
        RADIO_INSTANCE_CHECK(radio);
-       radio_s * handle = (radio_s *) radio;
+       radio_s *handle = (radio_s *) radio;
 
        int ret = mm_radio_set_mute(handle->mm_handle, muted);
-       if(ret != MM_ERROR_NONE)
-       {
-               return _convert_error_code(ret,(char*)__FUNCTION__);
-       }
-       else
-       {
+       if (ret != MM_ERROR_NONE) {
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
                handle->mute = muted;
                return RADIO_ERROR_NONE;
        }
@@ -479,29 +543,82 @@ int radio_set_mute(radio_h radio, bool muted)
 
 int radio_is_muted(radio_h radio, bool *muted)
 {
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
        RADIO_INSTANCE_CHECK(radio);
        RADIO_NULL_ARG_CHECK(muted);
-       radio_s * handle = (radio_s *) radio;
+       radio_s *handle = (radio_s *) radio;
        *muted = handle->mute;
        return RADIO_ERROR_NONE;
 }
 
 int radio_set_scan_completed_cb(radio_h radio, radio_scan_completed_cb callback, void *user_data)
 {
-       return _set_callback(_RADIO_EVENT_TYPE_SCAN_FINISH,radio,callback,user_data);
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
+       return __set_callback(_RADIO_EVENT_TYPE_SCAN_FINISH, radio, callback, user_data);
 }
 
 int radio_unset_scan_completed_cb(radio_h radio)
 {
-       return _unset_callback(_RADIO_EVENT_TYPE_SCAN_FINISH,radio);
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
+       return __unset_callback(_RADIO_EVENT_TYPE_SCAN_FINISH, radio);
 }
 
 int radio_set_interrupted_cb(radio_h radio, radio_interrupted_cb callback, void *user_data)
 {
-       return _set_callback(_RADIO_EVENT_TYPE_INTERRUPT,radio,callback,user_data);
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
+       return __set_callback(_RADIO_EVENT_TYPE_INTERRUPT, radio, callback, user_data);
 }
 
 int radio_unset_interrupted_cb(radio_h radio)
 {
-       return _unset_callback(_RADIO_EVENT_TYPE_INTERRUPT,radio);
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
+       return __unset_callback(_RADIO_EVENT_TYPE_INTERRUPT, radio);
+}
+
+
+int radio_get_frequency_range(radio_h radio, int *min_freq, int *max_freq)
+{
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
+       RADIO_INSTANCE_CHECK(radio);
+       RADIO_NULL_ARG_CHECK(min_freq);
+       RADIO_NULL_ARG_CHECK(max_freq);
+       radio_s *handle = (radio_s *) radio;
+
+       unsigned int min = 0;
+       unsigned int max = 0;
+
+       int ret = mm_radio_get_region_frequency_range(handle->mm_handle, &min, &max);
+       if (ret != MM_ERROR_NONE) {
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
+               *min_freq = min;
+               *max_freq = max;
+               return RADIO_ERROR_NONE;
+       }
 }
+
+int radio_get_channel_spacing(radio_h radio, int *channel_spacing)
+{
+       LOGI("[%s] Enter", __func__);
+       RADIO_SUPPORT_CHECK(__radio_check_system_info_feature_supported());
+       RADIO_INSTANCE_CHECK(radio);
+
+       radio_s *handle = (radio_s *) radio;
+
+       int ret = mm_radio_get_channel_spacing(handle->mm_handle, channel_spacing);
+
+       if (ret != MM_ERROR_NONE) {
+               return __convert_error_code(ret, (char *)__FUNCTION__);
+       } else {
+               return RADIO_ERROR_NONE;
+       }
+}
+
+
+