1 /* Copyright (c) 2009-2014, The Linux Foundation. All rights reserved.
2  *
3  * Redistribution and use in source and binary forms, with or without
4  * modification, are permitted provided that the following conditions are
5  * met:
6  *     * Redistributions of source code must retain the above copyright
7  *       notice, this list of conditions and the following disclaimer.
8  *     * Redistributions in binary form must reproduce the above
9  *       copyright notice, this list of conditions and the following
10  *       disclaimer in the documentation and/or other materials provided
11  *       with the distribution.
12  *     * Neither the name of The Linux Foundation, nor the names of its
13  *       contributors may be used to endorse or promote products derived
14  *       from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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28  */
29 
30 #ifndef LOC_ENG_H
31 #define LOC_ENG_H
32 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif /* __cplusplus */
36 
37 // Uncomment to keep all LOG messages (LOGD, LOGI, LOGV, etc.)
38 #define MAX_NUM_ATL_CONNECTIONS  2
39 
40 // Define boolean type to be used by libgps on loc api module
41 typedef unsigned char boolean;
42 
43 #ifndef TRUE
44 #define TRUE 1
45 #endif
46 
47 #ifndef FALSE
48 #define FALSE 0
49 #endif
50 
51 #include <loc.h>
52 #include <loc_eng_xtra.h>
53 #include <loc_eng_ni.h>
54 #include <loc_eng_agps.h>
55 #include <loc_cfg.h>
56 #include <loc_log.h>
57 #include <log_util.h>
58 #include <loc_eng_agps.h>
59 #include <LocEngAdapter.h>
60 
61 // The data connection minimal open time
62 #define DATA_OPEN_MIN_TIME        1  /* sec */
63 
64 // The system sees GPS engine turns off after inactive for this period of time
65 #define GPS_AUTO_OFF_TIME         2  /* secs */
66 #define SUCCESS              TRUE
67 #define FAILURE                 FALSE
68 #define INVALID_ATL_CONNECTION_HANDLE -1
69 
70 #define MAX_XTRA_SERVER_URL_LENGTH 256
71 
72 enum loc_nmea_provider_e_type {
73     NMEA_PROVIDER_AP = 0, // Application Processor Provider of NMEA
74     NMEA_PROVIDER_MP // Modem Processor Provider of NMEA
75 };
76 
77 enum loc_mute_session_e_type {
78    LOC_MUTE_SESS_NONE = 0,
79    LOC_MUTE_SESS_WAIT,
80    LOC_MUTE_SESS_IN_SESSION
81 };
82 
83 // Module data
84 typedef struct loc_eng_data_s
85 {
86     LocEngAdapter                  *adapter;
87     loc_location_cb_ext            location_cb;
88     gps_status_callback            status_cb;
89     loc_sv_status_cb_ext           sv_status_cb;
90     agps_status_extended           agps_status_cb;
91     gps_nmea_callback              nmea_cb;
92     gps_ni_notify_callback         ni_notify_cb;
93     gps_set_capabilities           set_capabilities_cb;
94     gps_acquire_wakelock           acquire_wakelock_cb;
95     gps_release_wakelock           release_wakelock_cb;
96     gps_request_utc_time           request_utc_time_cb;
97     gps_measurement_callback       gps_measurement_cb;
98     boolean                        intermediateFix;
99     AGpsStatusValue                agps_status;
100     loc_eng_xtra_data_s_type       xtra_module_data;
101     loc_eng_ni_data_s_type         loc_eng_ni_data;
102 
103     // AGPS state machines
104     AgpsStateMachine*              agnss_nif;
105     AgpsStateMachine*              internet_nif;
106     AgpsStateMachine*              wifi_nif;
107     //State machine for Data Services
108     AgpsStateMachine*              ds_nif;
109 
110     // GPS engine status
111     GpsStatusValue                 engine_status;
112     GpsStatusValue                 fix_session_status;
113 
114     // Aiding data information to be deleted, aiding data can only be deleted when GPS engine is off
115     GpsAidingData                  aiding_data_for_deletion;
116 
117     // For muting session broadcast
118     loc_mute_session_e_type        mute_session_state;
119 
120     // For nmea generation
121     boolean generateNmea;
122     uint32_t sv_used_mask;
123     float hdop;
124     float pdop;
125     float vdop;
126 
127     // Address buffers, for addressing setting before init
128     int    supl_host_set;
129     char   supl_host_buf[101];
130     int    supl_port_buf;
131     int    c2k_host_set;
132     char   c2k_host_buf[101];
133     int    c2k_port_buf;
134     int    mpc_host_set;
135     char   mpc_host_buf[101];
136     int    mpc_port_buf;
137 
138     loc_ext_parser location_ext_parser;
139     loc_ext_parser sv_ext_parser;
140 } loc_eng_data_s_type;
141 
142 /* GPS.conf support */
143 /* NOTE: the implementaiton of the parser casts number
144    fields to 32 bit. To ensure all 'n' fields working,
145    they must all be 32 bit fields. */
146 typedef struct loc_gps_cfg_s
147 {
148     uint32_t       INTERMEDIATE_POS;
149     uint32_t       ACCURACY_THRES;
150     uint32_t       SUPL_VER;
151     uint32_t       SUPL_MODE;
152     uint32_t       CAPABILITIES;
153     uint32_t       LPP_PROFILE;
154     uint32_t       XTRA_VERSION_CHECK;
155     char        XTRA_SERVER_1[MAX_XTRA_SERVER_URL_LENGTH];
156     char        XTRA_SERVER_2[MAX_XTRA_SERVER_URL_LENGTH];
157     char        XTRA_SERVER_3[MAX_XTRA_SERVER_URL_LENGTH];
158     uint32_t       USE_EMERGENCY_PDN_FOR_EMERGENCY_SUPL;
159     uint32_t       NMEA_PROVIDER;
160     uint32_t       GPS_LOCK;
161     uint32_t       A_GLONASS_POS_PROTOCOL_SELECT;
162     uint32_t       AGPS_CERT_WRITABLE_MASK;
163 } loc_gps_cfg_s_type;
164 
165 /* NOTE: the implementaiton of the parser casts number
166    fields to 32 bit. To ensure all 'n' fields working,
167    they must all be 32 bit fields. */
168 /* Meanwhile, *_valid fields are 8 bit fields, and 'f'
169    fields are double. Rigid as they are, it is the
170    the status quo, until the parsing mechanism is
171    change, that is. */
172 typedef struct
173 {
174     uint8_t        GYRO_BIAS_RANDOM_WALK_VALID;
175     double         GYRO_BIAS_RANDOM_WALK;
176     uint32_t       SENSOR_ACCEL_BATCHES_PER_SEC;
177     uint32_t       SENSOR_ACCEL_SAMPLES_PER_BATCH;
178     uint32_t       SENSOR_GYRO_BATCHES_PER_SEC;
179     uint32_t       SENSOR_GYRO_SAMPLES_PER_BATCH;
180     uint32_t       SENSOR_ACCEL_BATCHES_PER_SEC_HIGH;
181     uint32_t       SENSOR_ACCEL_SAMPLES_PER_BATCH_HIGH;
182     uint32_t       SENSOR_GYRO_BATCHES_PER_SEC_HIGH;
183     uint32_t       SENSOR_GYRO_SAMPLES_PER_BATCH_HIGH;
184     uint32_t       SENSOR_CONTROL_MODE;
185     uint32_t       SENSOR_USAGE;
186     uint32_t       SENSOR_ALGORITHM_CONFIG_MASK;
187     uint8_t        ACCEL_RANDOM_WALK_SPECTRAL_DENSITY_VALID;
188     double         ACCEL_RANDOM_WALK_SPECTRAL_DENSITY;
189     uint8_t        ANGLE_RANDOM_WALK_SPECTRAL_DENSITY_VALID;
190     double         ANGLE_RANDOM_WALK_SPECTRAL_DENSITY;
191     uint8_t        RATE_RANDOM_WALK_SPECTRAL_DENSITY_VALID;
192     double         RATE_RANDOM_WALK_SPECTRAL_DENSITY;
193     uint8_t        VELOCITY_RANDOM_WALK_SPECTRAL_DENSITY_VALID;
194     double         VELOCITY_RANDOM_WALK_SPECTRAL_DENSITY;
195     uint32_t       SENSOR_PROVIDER;
196 } loc_sap_cfg_s_type;
197 
198 extern loc_gps_cfg_s_type gps_conf;
199 extern loc_sap_cfg_s_type sap_conf;
200 
201 
202 uint32_t getCarrierCapabilities();
203 
204 //loc_eng functions
205 int  loc_eng_init(loc_eng_data_s_type &loc_eng_data,
206                   LocCallbacks* callbacks,
207                   LOC_API_ADAPTER_EVENT_MASK_T event,
208                   ContextBase* context);
209 int  loc_eng_start(loc_eng_data_s_type &loc_eng_data);
210 int  loc_eng_stop(loc_eng_data_s_type &loc_eng_data);
211 void loc_eng_cleanup(loc_eng_data_s_type &loc_eng_data);
212 int  loc_eng_inject_time(loc_eng_data_s_type &loc_eng_data,
213                          GpsUtcTime time, int64_t timeReference,
214                          int uncertainty);
215 int  loc_eng_inject_location(loc_eng_data_s_type &loc_eng_data,
216                              double latitude, double longitude,
217                              float accuracy);
218 void loc_eng_delete_aiding_data(loc_eng_data_s_type &loc_eng_data,
219                                 GpsAidingData f);
220 int  loc_eng_set_position_mode(loc_eng_data_s_type &loc_eng_data,
221                                LocPosMode &params);
222 const void* loc_eng_get_extension(loc_eng_data_s_type &loc_eng_data,
223                                   const char* name);
224 int  loc_eng_set_server_proxy(loc_eng_data_s_type &loc_eng_data,
225                               LocServerType type, const char *hostname, int port);
226 void loc_eng_mute_one_session(loc_eng_data_s_type &loc_eng_data);
227 int loc_eng_read_config(void);
228 
229 //loc_eng_agps functions
230 void loc_eng_agps_init(loc_eng_data_s_type &loc_eng_data,
231                        AGpsExtCallbacks* callbacks);
232 int  loc_eng_agps_open(loc_eng_data_s_type &loc_eng_data, AGpsExtType agpsType,
233                       const char* apn, AGpsBearerType bearerType);
234 int  loc_eng_agps_closed(loc_eng_data_s_type &loc_eng_data, AGpsExtType agpsType);
235 int  loc_eng_agps_open_failed(loc_eng_data_s_type &loc_eng_data, AGpsExtType agpsType);
236 void loc_eng_agps_ril_update_network_availability(loc_eng_data_s_type &loc_eng_data,
237                                                   int avaiable, const char* apn);
238 int loc_eng_agps_install_certificates(loc_eng_data_s_type &loc_eng_data,
239                                       const DerEncodedCertificate* certificates,
240                                       size_t length);
241 
242 //loc_eng_xtra functions
243 int  loc_eng_xtra_init (loc_eng_data_s_type &loc_eng_data,
244                        GpsXtraExtCallbacks* callbacks);
245 int  loc_eng_xtra_inject_data(loc_eng_data_s_type &loc_eng_data,
246                              char* data, int length);
247 int  loc_eng_xtra_request_server(loc_eng_data_s_type &loc_eng_data);
248 void loc_eng_xtra_version_check(loc_eng_data_s_type &loc_eng_data, int check);
249 
250 //loc_eng_ni functions
251 extern void loc_eng_ni_init(loc_eng_data_s_type &loc_eng_data,
252                             GpsNiExtCallbacks *callbacks);
253 extern void loc_eng_ni_respond(loc_eng_data_s_type &loc_eng_data,
254                                int notif_id, GpsUserResponseType user_response);
255 extern void loc_eng_ni_request_handler(loc_eng_data_s_type &loc_eng_data,
256                                    const GpsNiNotification *notif,
257                                    const void* passThrough);
258 extern void loc_eng_ni_reset_on_engine_restart(loc_eng_data_s_type &loc_eng_data);
259 
260 void loc_eng_configuration_update (loc_eng_data_s_type &loc_eng_data,
261                                    const char* config_data, int32_t length);
262 int loc_eng_gps_measurement_init(loc_eng_data_s_type &loc_eng_data,
263                                  GpsMeasurementCallbacks* callbacks);
264 void loc_eng_gps_measurement_close(loc_eng_data_s_type &loc_eng_data);
265 
266 #ifdef __cplusplus
267 }
268 #endif /* __cplusplus */
269 
270 #endif // LOC_ENG_H
271