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