src/include/mm_radio_priv.h

   1 /*
   2  * mm_radio_priv.h
   3  *
   4  * Copyright (c) 2000 - 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 #ifndef __MM_Radio_INTERNAL_H__
  21 #define __MM_Radio_INTERNAL_H__
  22
  23 /*===========================================================================================
  24   INCLUDE FILES
  25 ========================================================================================== */
  26 #include <stdio.h>
  27 #include <stdbool.h>
  28 #include <unistd.h>
  29 #include <malloc.h>
  30 #include <pthread.h>
  31 #include <signal.h>
  32
  33 #include <mm_types.h>
  34 #include <mm_message.h>
  35 #include <media/mm_resource_manager.h>
  36
  37 #ifdef TIZEN_FEATURE_SOUND_FOCUS
  38 #include "mm_radio_sound_focus.h"
  39 #endif
  40
  41 #include "mm_radio.h"
  42 #include "mm_radio_utils.h"
  43 #include <linux/videodev2.h>
  44
  45 #include <gst/gst.h>
  46 #include <gst/gstbuffer.h>
  47
  48 #ifdef __cplusplus
  49         extern "C" {
  50 #endif
  51
  52 /*===========================================================================================
  53   GLOBAL DEFINITIONS AND DECLARATIONS FOR MODULE
  54 ========================================================================================== */
  55
  56 /*---------------------------------------------------------------------------
  57     GLOBAL #defines:
  58 ---------------------------------------------------------------------------*/
  59 #define SAMPLEDELAY                                     15000
  60
  61 /* si470x dependent define */
  62 #define SYSCONFIG1                                      4               /* System Configuration 1 */
  63 #define SYSCONFIG1_RDS                          0x1000  /* bits 12..12: RDS Enable */
  64 #define SYSCONFIG1_RDS_OFFSET           12              /* bits 12..12: RDS Enable Offset */
  65
  66 #define SYSCONFIG2                                      5               /* System Configuration 2 */
  67 #define SYSCONFIG2_SEEKTH                       0xff00  /* bits 15..08: RSSI Seek Threshold */
  68 #define SYSCONFIG2_SEEKTH_OFFSET        8               /* bits 15..08: RSSI Seek Threshold Offset */
  69
  70 #define SYSCONFIG3                                      6               /* System Configuration 3 */
  71 #define SYSCONFIG3_SKSNR                        0x00f0  /* bits 07..04: Seek SNR Threshold */
  72 #define SYSCONFIG3_SKCNT                        0x000f  /* bits 03..00: Seek FM Impulse Detection Threshold */
  73 #define SYSCONFIG3_SKSNR_OFFSET 4               /* bits 07..04: Seek SNR Threshold Offset */
  74 #define SYSCONFIG3_SKCNT_OFFSET 0               /* bits 03..00: Seek FM Impulse Detection Threshold Offset */
  75
  76 #define DEFAULT_CHIP_MODEL                      "radio-si470x"
  77
  78 /*---------------------------------------------------------------------------
  79     GLOBAL CONSTANT DEFINITIONS:
  80 ---------------------------------------------------------------------------*/
  81 typedef enum {
  82         MMRADIO_COMMAND_CREATE = 0,
  83         MMRADIO_COMMAND_DESTROY,
  84         MMRADIO_COMMAND_REALIZE,
  85         MMRADIO_COMMAND_UNREALIZE,
  86         MMRADIO_COMMAND_START,
  87         MMRADIO_COMMAND_STOP,
  88         MMRADIO_COMMAND_START_SCAN,
  89         MMRADIO_COMMAND_STOP_SCAN,
  90         MMRADIO_COMMAND_SET_FREQ,
  91         MMRADIO_COMMAND_GET_FREQ,
  92         MMRADIO_COMMAND_MUTE,
  93         MMRADIO_COMMAND_UNMUTE,
  94         MMRADIO_COMMAND_SEEK,
  95         MMRADIO_COMMAND_SET_REGION,
  96         MMRADIO_COMMAND_GET_REGION,
  97         MMRADIO_COMMAND_SET_VOLUME,
  98         MMRADIO_COMMAND_GET_VOLUME,
  99         MMRADIO_COMMAND_NUM
 100 } MMRadioCommand;
 101
 102 /* max and mix frequency types, KHz */
 103 typedef enum {
 104         MM_RADIO_FREQ_NONE                              = 0,
 105         /* min band types */
 106         MM_RADIO_FREQ_MIN_76100_KHZ             = 76100,
 107         MM_RADIO_FREQ_MIN_87500_KHZ             = 87500,
 108         MM_RADIO_FREQ_MIN_88100_KHZ             = 88100,
 109         /* max band types */
 110         MM_RADIO_FREQ_MAX_89900_KHZ             = 89900,
 111         MM_RADIO_FREQ_MAX_108000_KHZ    = 108000,
 112 } MMRadioFreqTypes;
 113
 114 /* de-emphasis types  */
 115 typedef enum {
 116         MM_RADIO_DEEMPHASIS_NONE = 0,
 117         MM_RADIO_DEEMPHASIS_50_US,
 118         MM_RADIO_DEEMPHASIS_75_US,
 119 } MMRadioDeemphasis;
 120
 121 /* radio region settings */
 122 typedef struct {
 123         MMRadioRegionType country;
 124         MMRadioDeemphasis deemphasis;   // unit :  us
 125         MMRadioFreqTypes band_min;              // <- freq. range, unit : KHz
 126         MMRadioFreqTypes band_max;              // ->
 127         int channel_spacing;                            // TBD
 128 } MMRadioRegion_t;
 129
 130 /*---------------------------------------------------------------------------
 131     GLOBAL DATA TYPE DEFINITIONS:
 132 ---------------------------------------------------------------------------*/
 133 #define USE_GST_PIPELINE
 134
 135 #ifdef USE_GST_PIPELINE
 136 typedef struct _mm_radio_gstreamer_s {
 137         GMainLoop *loop;
 138         GstElement *pipeline;
 139         GstElement *audiosrc;
 140         GstElement *queue2;
 141         GstElement *volume;
 142         GstElement *audiosink;
 143         GstBuffer *output_buffer;
 144 } mm_radio_gstreamer_s;
 145 #endif
 146
 147 typedef struct {
 148         /* radio state */
 149         int current_state;
 150         int old_state;
 151         int pending_state;
 152
 153         int cmd;
 154
 155         /* command lock */
 156         pthread_mutex_t cmd_lock;
 157
 158         /* radio attributes */
 159         MMHandleType* attrs;
 160
 161         /* message callback */
 162         MMMessageCallback msg_cb;
 163         void* msg_cb_param;
 164
 165         /* radio device fd */
 166         int radio_fd;
 167
 168         /* device control */
 169         struct v4l2_capability vc;
 170         struct v4l2_tuner vt;
 171         struct v4l2_control vctrl;
 172         struct v4l2_frequency vf;
 173
 174         /* hw debug */
 175         struct v4l2_dbg_register reg;
 176
 177         /* scan */
 178         pthread_t       scan_thread;
 179         bool    stop_scan;
 180
 181         /* seek */
 182         pthread_t seek_thread;
 183         int prev_seek_freq;
 184         MMRadioSeekDirectionType seek_direction;
 185
 186 #ifdef TIZEN_FEATURE_SOUND_FOCUS
 187         mm_radio_sound_focus sound_focus;
 188 #endif
 189
 190         int freq;
 191 #ifdef USE_GST_PIPELINE
 192         mm_radio_gstreamer_s* pGstreamer_s;
 193 #endif
 194         mm_resource_manager_h resource_manager;
 195         mm_resource_manager_res_h radio_resource;
 196         int interrupted_by_resource_conflict;
 197
 198         unsigned int subs_id;
 199         float local_volume;
 200
 201         /* region settings */
 202         MMRadioRegion_t region_setting;
 203 } mm_radio_t;
 204
 205 /*===========================================================================================
 206   GLOBAL FUNCTION PROTOTYPES
 207 ========================================================================================== */
 208 int _mmradio_create_radio(mm_radio_t *radio);
 209 int _mmradio_destroy(mm_radio_t *radio);
 210 int _mmradio_realize(mm_radio_t *radio);
 211 int _mmradio_unrealize(mm_radio_t *radio);
 212 int _mmradio_set_message_callback(mm_radio_t *radio, MMMessageCallback callback, void *user_param);
 213 int _mmradio_get_state(mm_radio_t *radio, int *pState);
 214 int _mmradio_set_frequency(mm_radio_t *radio, int freq);
 215 int _mmradio_get_frequency(mm_radio_t *radio, int *pFreq);
 216 int _mmradio_mute(mm_radio_t *radio);
 217 int _mmradio_unmute(mm_radio_t *radio);
 218 int _mmradio_start(mm_radio_t *radio);
 219 int _mmradio_stop(mm_radio_t *radio);
 220 int _mmradio_seek(mm_radio_t *radio, MMRadioSeekDirectionType direction);
 221 int _mmradio_start_scan(mm_radio_t *radio);
 222 int _mmradio_stop_scan(mm_radio_t *radio);
 223 int _mm_radio_get_signal_strength(mm_radio_t *radio, int *strength);
 224 #ifdef USE_GST_PIPELINE
 225 int _mmradio_realize_pipeline(mm_radio_t *radio);
 226 int _mmradio_start_pipeline(mm_radio_t *radio);
 227 int _mmradio_stop_pipeline(mm_radio_t *radio);
 228 int _mmradio_destroy_pipeline(mm_radio_t *radio);
 229 #endif
 230 int _mmradio_apply_region(mm_radio_t *radio, MMRadioRegionType region, bool update);
 231 int _mmradio_get_region_type(mm_radio_t *radio, MMRadioRegionType *type);
 232 int _mmradio_get_region_frequency_range(mm_radio_t *radio, unsigned int *min_freq, unsigned int *max_freq);
 233 int _mmradio_get_channel_spacing(mm_radio_t *radio, unsigned int *ch_spacing);
 234 int _mmradio_set_volume(mm_radio_t *radio, float volume);
 235 int _mmradio_get_volume(mm_radio_t *radio, float *pVolume);
 236
 237 #ifdef __cplusplus
 238         }
 239 #endif
 240
 241 #endif  /* __MM_Radio_INTERNAL_H__ */