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 #include <glib.h>
  45
  46 #ifdef __cplusplus
  47         extern "C" {
  48 #endif
  49
  50 /*===========================================================================================
  51   GLOBAL DEFINITIONS AND DECLARATIONS FOR MODULE
  52 ========================================================================================== */
  53
  54 /*---------------------------------------------------------------------------
  55     GLOBAL #defines:
  56 ---------------------------------------------------------------------------*/
  57 #define SAMPLEDELAY                                     15000
  58
  59 /* si470x dependent define */
  60 #define SYSCONFIG1                                      4               /* System Configuration 1 */
  61 #define SYSCONFIG1_RDS                          0x1000  /* bits 12..12: RDS Enable */
  62 #define SYSCONFIG1_RDS_OFFSET           12              /* bits 12..12: RDS Enable Offset */
  63
  64 #define SYSCONFIG2                                      5               /* System Configuration 2 */
  65 #define SYSCONFIG2_SEEKTH                       0xff00  /* bits 15..08: RSSI Seek Threshold */
  66 #define SYSCONFIG2_SEEKTH_OFFSET        8               /* bits 15..08: RSSI Seek Threshold Offset */
  67
  68 #define SYSCONFIG3                                      6               /* System Configuration 3 */
  69 #define SYSCONFIG3_SKSNR                        0x00f0  /* bits 07..04: Seek SNR Threshold */
  70 #define SYSCONFIG3_SKCNT                        0x000f  /* bits 03..00: Seek FM Impulse Detection Threshold */
  71 #define SYSCONFIG3_SKSNR_OFFSET 4               /* bits 07..04: Seek SNR Threshold Offset */
  72 #define SYSCONFIG3_SKCNT_OFFSET 0               /* bits 03..00: Seek FM Impulse Detection Threshold Offset */
  73
  74 #define DEFAULT_CHIP_MODEL                      "radio-si470x"
  75
  76 /*---------------------------------------------------------------------------
  77     GLOBAL CONSTANT DEFINITIONS:
  78 ---------------------------------------------------------------------------*/
  79 typedef enum {
  80         MMRADIO_COMMAND_CREATE = 0,
  81         MMRADIO_COMMAND_DESTROY,
  82         MMRADIO_COMMAND_REALIZE,
  83         MMRADIO_COMMAND_UNREALIZE,
  84         MMRADIO_COMMAND_START,
  85         MMRADIO_COMMAND_STOP,
  86         MMRADIO_COMMAND_START_SCAN,
  87         MMRADIO_COMMAND_STOP_SCAN,
  88         MMRADIO_COMMAND_SET_FREQ,
  89         MMRADIO_COMMAND_GET_FREQ,
  90         MMRADIO_COMMAND_MUTE,
  91         MMRADIO_COMMAND_UNMUTE,
  92         MMRADIO_COMMAND_SEEK,
  93         MMRADIO_COMMAND_SET_REGION,
  94         MMRADIO_COMMAND_GET_REGION,
  95         MMRADIO_COMMAND_SET_VOLUME,
  96         MMRADIO_COMMAND_GET_VOLUME,
  97         MMRADIO_COMMAND_NUM
  98 } MMRadioCommand;
  99
 100 /* max and mix frequency types, KHz */
 101 typedef enum {
 102         MM_RADIO_FREQ_NONE                              = 0,
 103         /* min band types */
 104         MM_RADIO_FREQ_MIN_76100_KHZ             = 76100,
 105         MM_RADIO_FREQ_MIN_87500_KHZ             = 87500,
 106         MM_RADIO_FREQ_MIN_88100_KHZ             = 88100,
 107         /* max band types */
 108         MM_RADIO_FREQ_MAX_89900_KHZ             = 89900,
 109         MM_RADIO_FREQ_MAX_108000_KHZ    = 108000,
 110 } MMRadioFreqTypes;
 111
 112 /* de-emphasis types  */
 113 typedef enum {
 114         MM_RADIO_DEEMPHASIS_NONE = 0,
 115         MM_RADIO_DEEMPHASIS_50_US,
 116         MM_RADIO_DEEMPHASIS_75_US,
 117 } MMRadioDeemphasis;
 118
 119 /* radio region settings */
 120 typedef struct {
 121         MMRadioRegionType country;
 122         MMRadioDeemphasis deemphasis;   // unit :  us
 123         MMRadioFreqTypes band_min;              // <- freq. range, unit : KHz
 124         MMRadioFreqTypes band_max;              // ->
 125         int channel_spacing;                            // TBD
 126 } MMRadioRegion_t;
 127
 128 typedef struct {
 129         pthread_t thread;
 130         pthread_mutex_t mutex;
 131         pthread_cond_t cond;
 132         int thread_id;
 133         bool is_running;
 134         bool stop;
 135         bool thread_exit;
 136 } MMRadioThread_t;
 137
 138 typedef enum {
 139         MM_RADIO_MSG_DESTROY = 0,
 140         MM_RADIO_MSG_SCAN_INFO,
 141         MM_RADIO_MSG_SCAN_STOPPED,
 142         MM_RADIO_MSG_SCAN_FINISHED,
 143         MM_RADIO_MSG_SEEK_FINISHED,
 144         MM_RADIO_MSG_STATE_INTERRUPTED,
 145         MM_RADIO_MSG_NUM
 146 } MMRadioMsgTypes;
 147
 148 typedef struct {
 149         bool destroy;
 150         MMRadioMsgTypes msg_type;
 151         int data;
 152 } mm_radio_msg_t;
 153
 154 typedef enum {
 155         MM_RADIO_THREAD_MSG = 0,
 156         MM_RADIO_THREAD_SEEK,
 157         MM_RADIO_THREAD_SCAN,
 158         MM_RADIO_THREAD_NUM
 159 } MMRadioThreadTypes;
 160
 161 /*---------------------------------------------------------------------------
 162     GLOBAL DATA TYPE DEFINITIONS:
 163 ---------------------------------------------------------------------------*/
 164 #define USE_GST_PIPELINE
 165
 166 #ifdef USE_GST_PIPELINE
 167 typedef struct _mm_radio_gstreamer_s {
 168         GMainLoop *loop;
 169         GstElement *pipeline;
 170         GstElement *audiosrc;
 171         GstElement *queue2;
 172         GstElement *volume;
 173         GstElement *audiosink;
 174         GstBuffer *output_buffer;
 175 } mm_radio_gstreamer_s;
 176 #endif
 177
 178 typedef struct {
 179         /* radio state */
 180         int current_state;
 181         int old_state;
 182         int pending_state;
 183
 184         int cmd;
 185
 186         /* command lock */
 187         pthread_mutex_t cmd_lock;
 188
 189         /* radio attributes */
 190         MMHandleType* attrs;
 191
 192         MMRadioThread_t thread[MM_RADIO_THREAD_NUM];
 193
 194         /* message callback */
 195         GAsyncQueue *msg_queue;
 196         MMMessageCallback msg_cb;
 197         void* msg_cb_param;
 198
 199         /* radio device fd */
 200         int radio_fd;
 201
 202         /* device control */
 203         struct v4l2_capability vc;
 204         struct v4l2_tuner vt;
 205         struct v4l2_control vctrl;
 206         struct v4l2_frequency vf;
 207
 208         /* hw debug */
 209         struct v4l2_dbg_register reg;
 210
 211         /* seek */
 212         int prev_seek_freq;
 213         MMRadioSeekDirectionType seek_direction;
 214
 215         int freq;
 216 #ifdef USE_GST_PIPELINE
 217         mm_radio_gstreamer_s* pGstreamer_s;
 218 #endif
 219         mm_resource_manager_h resource_manager;
 220         mm_resource_manager_res_h radio_resource;
 221         int interrupted_by_resource_conflict;
 222
 223         unsigned int subs_id;
 224         float local_volume;
 225
 226         /* region settings */
 227         MMRadioRegion_t region_setting;
 228 } mm_radio_t;
 229
 230 /*===========================================================================================
 231   GLOBAL FUNCTION PROTOTYPES
 232 ========================================================================================== */
 233 int _mmradio_create_radio(mm_radio_t *radio);
 234 int _mmradio_destroy(mm_radio_t *radio);
 235 int _mmradio_realize(mm_radio_t *radio);
 236 int _mmradio_unrealize(mm_radio_t *radio);
 237 int _mmradio_set_message_callback(mm_radio_t *radio, MMMessageCallback callback, void *user_param);
 238 int _mmradio_get_state(mm_radio_t *radio, int *pState);
 239 int _mmradio_set_frequency(mm_radio_t *radio, int freq);
 240 int _mmradio_get_frequency(mm_radio_t *radio, int *pFreq);
 241 int _mmradio_mute(mm_radio_t *radio);
 242 int _mmradio_unmute(mm_radio_t *radio);
 243 int _mmradio_start(mm_radio_t *radio);
 244 int _mmradio_stop(mm_radio_t *radio);
 245 int _mmradio_seek(mm_radio_t *radio, MMRadioSeekDirectionType direction);
 246 int _mmradio_start_scan(mm_radio_t *radio);
 247 int _mmradio_stop_scan(mm_radio_t *radio);
 248 int _mm_radio_get_signal_strength(mm_radio_t *radio, int *strength);
 249 #ifdef USE_GST_PIPELINE
 250 int _mmradio_realize_pipeline(mm_radio_t *radio);
 251 int _mmradio_start_pipeline(mm_radio_t *radio);
 252 int _mmradio_stop_pipeline(mm_radio_t *radio);
 253 int _mmradio_destroy_pipeline(mm_radio_t *radio);
 254 #endif
 255 int _mmradio_apply_region(mm_radio_t *radio, MMRadioRegionType region, bool update);
 256 int _mmradio_get_region_type(mm_radio_t *radio, MMRadioRegionType *type);
 257 int _mmradio_get_region_frequency_range(mm_radio_t *radio, unsigned int *min_freq, unsigned int *max_freq);
 258 int _mmradio_get_channel_spacing(mm_radio_t *radio, unsigned int *ch_spacing);
 259 int _mmradio_set_volume(mm_radio_t *radio, float volume);
 260 int _mmradio_get_volume(mm_radio_t *radio, float *pVolume);
 261
 262 #ifdef __cplusplus
 263         }
 264 #endif
 265
 266 #endif  /* __MM_Radio_INTERNAL_H__ */