4 * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
6 * Contact: JongHyuk Choi <jhchoi.choi@samsung.com>, YoungHwan An <younghwan_.an@samsung.com>
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
12 * http://www.apache.org/licenses/LICENSE-2.0
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.
22 #ifndef __MM_Radio_INTERNAL_H__
23 #define __MM_Radio_INTERNAL_H__
25 /*===========================================================================================
27 ========================================================================================== */
36 #include <mm_message.h>
38 #include "mm_radio_asm.h"
40 #include "mm_radio_utils.h"
41 #include <linux/videodev2.h>
44 #include <gst/gstbuffer.h>
50 /*===========================================================================================
51 GLOBAL DEFINITIONS AND DECLARATIONS FOR MODULE
52 ========================================================================================== */
54 /*---------------------------------------------------------------------------
56 ---------------------------------------------------------------------------*/
57 #define SAMPLEDELAY 15000
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 */
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 */
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 */
74 #define DEFAULT_CHIP_MODEL "radio-si470x"
76 /*---------------------------------------------------------------------------
77 GLOBAL CONSTANT DEFINITIONS:
78 ---------------------------------------------------------------------------*/
81 MMRADIO_COMMAND_CREATE = 0,
82 MMRADIO_COMMAND_DESTROY,
83 MMRADIO_COMMAND_REALIZE,
84 MMRADIO_COMMAND_UNREALIZE,
85 MMRADIO_COMMAND_START,
87 MMRADIO_COMMAND_START_SCAN,
88 MMRADIO_COMMAND_STOP_SCAN,
89 MMRADIO_COMMAND_SET_FREQ,
90 MMRADIO_COMMAND_GET_FREQ,
92 MMRADIO_COMMAND_UNMUTE,
94 MMRADIO_COMMAND_SET_REGION,
95 MMRADIO_COMMAND_GET_REGION,
99 /* max and mix frequency types, KHz */
102 MM_RADIO_FREQ_NONE = 0,
104 MM_RADIO_FREQ_MIN_76100_KHZ = 76100,
105 MM_RADIO_FREQ_MIN_87500_KHZ = 87500,
106 MM_RADIO_FREQ_MIN_88100_KHZ = 88100,
108 MM_RADIO_FREQ_MAX_89900_KHZ = 89900,
109 MM_RADIO_FREQ_MAX_108000_KHZ = 108000,
112 /* de-emphasis types */
115 MM_RADIO_DEEMPHASIS_NONE = 0,
116 MM_RADIO_DEEMPHASIS_50_US,
117 MM_RADIO_DEEMPHASIS_75_US,
120 /* radio region settings */
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
130 /*---------------------------------------------------------------------------
131 GLOBAL DATA TYPE DEFINITIONS:
132 ---------------------------------------------------------------------------*/
133 #define USE_GST_PIPELINE
135 #ifdef USE_GST_PIPELINE
136 typedef struct _mm_radio_gstreamer_s
139 GstElement *pipeline;
140 GstElement *avsysaudiosrc;
143 GstElement *avsysaudiosink;
144 GstBuffer *output_buffer;
145 } mm_radio_gstreamer_s;
157 pthread_mutex_t cmd_lock;
159 /* radio attributes */
162 /* message callback */
163 MMMessageCallback msg_cb;
166 /* radio device fd */
170 struct v4l2_capability vc;
171 struct v4l2_tuner vt;
172 struct v4l2_control vctrl;
173 struct v4l2_frequency vf;
176 struct v4l2_dbg_register reg;
179 pthread_t scan_thread;
183 pthread_t seek_thread;
185 MMRadioSeekDirectionType seek_direction;
191 #ifdef USE_GST_PIPELINE
192 mm_radio_gstreamer_s* pGstreamer_s;
195 /* region settings */
196 MMRadioRegion_t region_setting;
199 /*===========================================================================================
200 GLOBAL FUNCTION PROTOTYPES
201 ========================================================================================== */
202 int _mmradio_create_radio(mm_radio_t* radio);
203 int _mmradio_destroy(mm_radio_t* radio);
204 int _mmradio_realize(mm_radio_t* radio);
205 int _mmradio_unrealize(mm_radio_t* radio);
206 int _mmradio_set_message_callback(mm_radio_t* radio, MMMessageCallback callback, void *user_param);
207 int _mmradio_get_state(mm_radio_t* radio, int* pState);
208 int _mmradio_set_frequency(mm_radio_t* radio, int freq);
209 int _mmradio_get_frequency(mm_radio_t* radio, int* pFreq);
210 int _mmradio_mute(mm_radio_t* radio);
211 int _mmradio_unmute(mm_radio_t* radio);
212 int _mmradio_start(mm_radio_t* radio);
213 int _mmradio_stop(mm_radio_t* radio);
214 int _mmradio_seek(mm_radio_t* radio, MMRadioSeekDirectionType direction);
215 int _mmradio_start_scan(mm_radio_t* radio);
216 int _mmradio_stop_scan(mm_radio_t* radio);
217 int _mm_radio_get_signal_strength(mm_radio_t* radio, int *value);
218 #ifdef USE_GST_PIPELINE
219 int _mmradio_realize_pipeline( mm_radio_t* radio);
220 int _mmradio_start_pipeline(mm_radio_t* radio);
221 int _mmradio_stop_pipeline( mm_radio_t* radio);
222 int _mmradio_destroy_pipeline(mm_radio_t* radio);
224 int _mmradio_apply_region(mm_radio_t*radio, MMRadioRegionType region, bool update);
225 int _mmradio_get_region_type(mm_radio_t*radio, MMRadioRegionType *type);
226 int _mmradio_get_region_frequency_range(mm_radio_t* radio, unsigned int *min_freq, unsigned int *max_freq);
228 int mmradio_set_attrs(mm_radio_t* radio, MMRadioAttrsType type, MMHandleType attrs);
229 MMHandleType mmradio_get_attrs(mm_radio_t* radio, MMRadioAttrsType type);
236 #endif /* __MM_Radio_INTERNAL_H__ */