src/include/mm_radio_priv.h

   1 /*
   2  * libmm-radio
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: JongHyuk Choi <jhchoi.choi@samsung.com>, YoungHwan An <younghwan_.an@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22 #ifndef __MM_Radio_INTERNAL_H__
  23 #define __MM_Radio_INTERNAL_H__
  24
  25 /*===========================================================================================
  26   INCLUDE FILES
  27 ========================================================================================== */
  28 #include <stdio.h>
  29 #include <stdbool.h>
  30 #include <unistd.h>
  31 #include <malloc.h>
  32 #include <pthread.h>
  33 #include <signal.h>
  34
  35 #include <mm_types.h>
  36 #include <mm_message.h>
  37
  38 #include "mm_radio_audio_focus.h"
  39 #include "mm_radio.h"
  40 #include "mm_radio_utils.h"
  41 #include <linux/videodev2.h>
  42
  43 #include <gst/gst.h>
  44 #include <gst/gstbuffer.h>
  45
  46 #include <mm_sound.h>
  47 #include <mm_sound_focus.h>
  48
  49 #ifdef __cplusplus
  50         extern "C" {
  51 #endif
  52
  53 /*===========================================================================================
  54   GLOBAL DEFINITIONS AND DECLARATIONS FOR MODULE
  55 ========================================================================================== */
  56
  57 /*---------------------------------------------------------------------------
  58     GLOBAL #defines:
  59 ---------------------------------------------------------------------------*/
  60 #define SAMPLEDELAY             15000
  61
  62 /* si470x dependent define */
  63 #define SYSCONFIG1                                      4               /* System Configuration 1 */
  64 #define SYSCONFIG1_RDS                          0x1000  /* bits 12..12: RDS Enable */
  65 #define SYSCONFIG1_RDS_OFFSET           12              /* bits 12..12: RDS Enable Offset */
  66
  67 #define SYSCONFIG2                                      5               /* System Configuration 2 */
  68 #define SYSCONFIG2_SEEKTH                       0xff00  /* bits 15..08: RSSI Seek Threshold */
  69 #define SYSCONFIG2_SEEKTH_OFFSET        8               /* bits 15..08: RSSI Seek Threshold Offset */
  70
  71 #define SYSCONFIG3                                      6               /* System Configuration 3 */
  72 #define SYSCONFIG3_SKSNR                        0x00f0  /* bits 07..04: Seek SNR Threshold */
  73 #define SYSCONFIG3_SKCNT                        0x000f  /* bits 03..00: Seek FM Impulse Detection Threshold */
  74 #define SYSCONFIG3_SKSNR_OFFSET 4               /* bits 07..04: Seek SNR Threshold Offset */
  75 #define SYSCONFIG3_SKCNT_OFFSET 0               /* bits 03..00: Seek FM Impulse Detection Threshold Offset */
  76
  77 #define DEFAULT_CHIP_MODEL                      "radio-si470x"
  78
  79 /*---------------------------------------------------------------------------
  80     GLOBAL CONSTANT DEFINITIONS:
  81 ---------------------------------------------------------------------------*/
  82 typedef enum
  83 {
  84         MMRADIO_COMMAND_CREATE = 0,
  85         MMRADIO_COMMAND_DESTROY,
  86         MMRADIO_COMMAND_REALIZE,
  87         MMRADIO_COMMAND_UNREALIZE,
  88         MMRADIO_COMMAND_START,
  89         MMRADIO_COMMAND_STOP,
  90         MMRADIO_COMMAND_START_SCAN,
  91         MMRADIO_COMMAND_STOP_SCAN,
  92         MMRADIO_COMMAND_SET_FREQ,
  93         MMRADIO_COMMAND_GET_FREQ,
  94         MMRADIO_COMMAND_MUTE,
  95         MMRADIO_COMMAND_UNMUTE,
  96         MMRADIO_COMMAND_SEEK,
  97         MMRADIO_COMMAND_SET_REGION,
  98         MMRADIO_COMMAND_GET_REGION,
  99         MMRADIO_COMMAND_NUM
 100 } MMRadioCommand;
 101
 102 /* max and mix frequency types, KHz */
 103 typedef enum
 104 {
 105         MM_RADIO_FREQ_NONE                              = 0,
 106         /* min band types */
 107         MM_RADIO_FREQ_MIN_76100_KHZ             = 76100,
 108         MM_RADIO_FREQ_MIN_87500_KHZ             = 87500,
 109         MM_RADIO_FREQ_MIN_88100_KHZ             = 88100,
 110         /* max band types */
 111         MM_RADIO_FREQ_MAX_89900_KHZ             = 89900,
 112         MM_RADIO_FREQ_MAX_108000_KHZ    = 108000,
 113 }MMRadioFreqTypes;
 114
 115 /* de-emphasis types  */
 116 typedef enum
 117 {
 118         MM_RADIO_DEEMPHASIS_NONE = 0,
 119         MM_RADIO_DEEMPHASIS_50_US,
 120         MM_RADIO_DEEMPHASIS_75_US,
 121 }MMRadioDeemphasis;
 122
 123 /* radio region settings */
 124 typedef struct
 125 {
 126         MMRadioRegionType country;
 127         MMRadioDeemphasis deemphasis;   // unit :  us
 128         MMRadioFreqTypes band_min;              // <- freq. range, unit : KHz
 129         MMRadioFreqTypes band_max;              // ->
 130         int channel_spacing;                            // TBD
 131 }MMRadioRegion_t;
 132
 133 /*---------------------------------------------------------------------------
 134     GLOBAL DATA TYPE DEFINITIONS:
 135 ---------------------------------------------------------------------------*/
 136 #define USE_GST_PIPELINE
 137
 138 #ifdef USE_GST_PIPELINE
 139 typedef struct _mm_radio_gstreamer_s
 140 {
 141         GMainLoop *loop;
 142         GstElement *pipeline;
 143         GstElement *audiosrc;
 144         GstElement *queue2;
 145         GstElement *volume;
 146         GstElement *audiosink;
 147         GstBuffer *output_buffer;
 148 } mm_radio_gstreamer_s;
 149 #endif
 150
 151 typedef struct {
 152         /* radio state */
 153         int current_state;
 154         int old_state;
 155         int pending_state;
 156
 157         int cmd;
 158
 159         /* command lock */
 160         pthread_mutex_t cmd_lock;
 161
 162         /* radio attributes */
 163         MMHandleType* attrs;
 164
 165         /* message callback */
 166         MMMessageCallback msg_cb;
 167         void* msg_cb_param;
 168
 169         /* radio device fd */
 170         int radio_fd;
 171
 172         /* device control */
 173         struct v4l2_capability vc;
 174         struct v4l2_tuner vt;
 175         struct v4l2_control vctrl;
 176         struct v4l2_frequency vf;
 177
 178         /* hw debug */
 179         struct v4l2_dbg_register reg;
 180
 181         /* scan */
 182         pthread_t       scan_thread;
 183         bool    stop_scan;
 184
 185         /* seek */
 186         pthread_t seek_thread;
 187         int prev_seek_freq;
 188         MMRadioSeekDirectionType seek_direction;
 189
 190         MMRadioAudioFocus sm;
 191
 192         int freq;
 193 #ifdef USE_GST_PIPELINE
 194         mm_radio_gstreamer_s* pGstreamer_s;
 195 #endif
 196
 197         /* region settings */
 198         MMRadioRegion_t region_setting;
 199 } mm_radio_t;
 200
 201 /*===========================================================================================
 202   GLOBAL FUNCTION PROTOTYPES
 203 ========================================================================================== */
 204 int _mmradio_create_radio(mm_radio_t* radio);
 205 int _mmradio_destroy(mm_radio_t* radio);
 206 int _mmradio_realize(mm_radio_t* radio);
 207 int _mmradio_unrealize(mm_radio_t* radio);
 208 int _mmradio_set_message_callback(mm_radio_t* radio, MMMessageCallback callback, void *user_param);
 209 int _mmradio_get_state(mm_radio_t* radio, int* pState);
 210 int _mmradio_set_frequency(mm_radio_t* radio, int freq);
 211 int _mmradio_get_frequency(mm_radio_t* radio, int* pFreq);
 212 int _mmradio_mute(mm_radio_t* radio);
 213 int _mmradio_unmute(mm_radio_t* radio);
 214 int _mmradio_start(mm_radio_t* radio);
 215 int _mmradio_stop(mm_radio_t* radio);
 216 int _mmradio_seek(mm_radio_t* radio, MMRadioSeekDirectionType direction);
 217 int _mmradio_start_scan(mm_radio_t* radio);
 218 int _mmradio_stop_scan(mm_radio_t* radio);
 219 int _mm_radio_get_signal_strength(mm_radio_t* radio, int *value);
 220 #ifdef USE_GST_PIPELINE
 221 int _mmradio_realize_pipeline( mm_radio_t* radio);
 222 int _mmradio_start_pipeline(mm_radio_t* radio);
 223 int _mmradio_stop_pipeline( mm_radio_t* radio);
 224 int _mmradio_destroy_pipeline(mm_radio_t* radio);
 225 #endif
 226 int _mmradio_apply_region(mm_radio_t*radio, MMRadioRegionType region, bool update);
 227 int _mmradio_get_region_type(mm_radio_t*radio, MMRadioRegionType *type);
 228 int _mmradio_get_region_frequency_range(mm_radio_t* radio, unsigned int *min_freq, unsigned int *max_freq);
 229 int _mmradio_get_channel_spacing(mm_radio_t* radio, unsigned int *ch_spacing);
 230 void _mmradio_sound_focus_cb(int id, mm_sound_focus_type_e focus_type,
 231                              mm_sound_focus_state_e focus_state, const char *reason_for_change,
 232                              const char *additional_info, void *user_data);
 233
 234 void _mmradio_sound_focus_watch_cb(int id, mm_sound_focus_type_e focus_type,
 235                              mm_sound_focus_state_e focus_state, const char *reason_for_change,
 236                              const char *additional_info, void *user_data);
 237
 238 #if 0
 239 int mmradio_set_attrs(mm_radio_t*  radio, MMRadioAttrsType type, MMHandleType attrs);
 240 MMHandleType mmradio_get_attrs(mm_radio_t*  radio, MMRadioAttrsType type);
 241 #endif
 242
 243 #ifdef __cplusplus
 244         }
 245 #endif
 246
 247 #endif  /* __MM_Radio_INTERNAL_H__ */