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