1 /* Copyright (c) 2009-2013, 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:
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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.
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16  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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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 enum loc_nmea_provider_e_type {
71     NMEA_PROVIDER_AP = 0, // Application Processor Provider of NMEA
72     NMEA_PROVIDER_MP // Modem Processor Provider of NMEA
73 };
74 
75 enum loc_mute_session_e_type {
76    LOC_MUTE_SESS_NONE = 0,
77    LOC_MUTE_SESS_WAIT,
78    LOC_MUTE_SESS_IN_SESSION
79 };
80 
81 // Module data
82 typedef struct loc_eng_data_s
83 {
84     LocEngAdapter                  *adapter;
85     loc_location_cb_ext            location_cb;
86     gps_status_callback            status_cb;
87     loc_sv_status_cb_ext           sv_status_cb;
88     agps_status_extended           agps_status_cb;
89     gps_nmea_callback              nmea_cb;
90     gps_ni_notify_callback         ni_notify_cb;
91     gps_set_capabilities           set_capabilities_cb;
92     gps_acquire_wakelock           acquire_wakelock_cb;
93     gps_release_wakelock           release_wakelock_cb;
94     gps_request_utc_time           request_utc_time_cb;
95     gps_measurement_callback       gps_measurement_cb;
96     boolean                        intermediateFix;
97     AGpsStatusValue                agps_status;
98     loc_eng_xtra_data_s_type       xtra_module_data;
99     loc_eng_ni_data_s_type         loc_eng_ni_data;
100 
101     // AGPS state machines
102     AgpsStateMachine*              agnss_nif;
103     AgpsStateMachine*              internet_nif;
104     AgpsStateMachine*              wifi_nif;
105     //State machine for Data Services
106     AgpsStateMachine*              ds_nif;
107 
108     // GPS engine status
109     GpsStatusValue                 engine_status;
110     GpsStatusValue                 fix_session_status;
111 
112     // Aiding data information to be deleted, aiding data can only be deleted when GPS engine is off
113     GpsAidingData                  aiding_data_for_deletion;
114 
115     // For muting session broadcast
116     loc_mute_session_e_type        mute_session_state;
117 
118     // For nmea generation
119     boolean generateNmea;
120     uint32_t sv_used_mask;
121     float hdop;
122     float pdop;
123     float vdop;
124 
125     // Address buffers, for addressing setting before init
126     int    supl_host_set;
127     char   supl_host_buf[101];
128     int    supl_port_buf;
129     int    c2k_host_set;
130     char   c2k_host_buf[101];
131     int    c2k_port_buf;
132     int    mpc_host_set;
133     char   mpc_host_buf[101];
134     int    mpc_port_buf;
135 
136     loc_ext_parser location_ext_parser;
137     loc_ext_parser sv_ext_parser;
138     loc_shutdown_cb shutdown_cb;
139 } loc_eng_data_s_type;
140 
141 /* GPS.conf support */
142 /* NOTE: the implementaiton of the parser casts number
143    fields to 32 bit. To ensure all 'n' fields working,
144    they must all be 32 bit fields. */
145 typedef struct loc_gps_cfg_s
146 {
147     uint32_t       INTERMEDIATE_POS;
148     uint32_t       ACCURACY_THRES;
149     uint32_t       SUPL_VER;
150     uint32_t       CAPABILITIES;
151     uint32_t       LPP_PROFILE;
152     uint32_t       NMEA_PROVIDER;
153     uint32_t       GPS_LOCK;
154     uint32_t       A_GLONASS_POS_PROTOCOL_SELECT;
155     uint32_t       AGPS_CERT_WRITABLE_MASK;
156 } loc_gps_cfg_s_type;
157 
158 /* NOTE: the implementaiton of the parser casts number
159    fields to 32 bit. To ensure all 'n' fields working,
160    they must all be 32 bit fields. */
161 /* Meanwhile, *_valid fields are 8 bit fields, and 'f'
162    fields are double. Rigid as they are, it is the
163    the status quo, until the parsing mechanism is
164    change, that is. */
165 typedef struct
166 {
167     uint8_t        GYRO_BIAS_RANDOM_WALK_VALID;
168     double         GYRO_BIAS_RANDOM_WALK;
169     uint32_t       SENSOR_ACCEL_BATCHES_PER_SEC;
170     uint32_t       SENSOR_ACCEL_SAMPLES_PER_BATCH;
171     uint32_t       SENSOR_GYRO_BATCHES_PER_SEC;
172     uint32_t       SENSOR_GYRO_SAMPLES_PER_BATCH;
173     uint32_t       SENSOR_ACCEL_BATCHES_PER_SEC_HIGH;
174     uint32_t       SENSOR_ACCEL_SAMPLES_PER_BATCH_HIGH;
175     uint32_t       SENSOR_GYRO_BATCHES_PER_SEC_HIGH;
176     uint32_t       SENSOR_GYRO_SAMPLES_PER_BATCH_HIGH;
177     uint32_t       SENSOR_CONTROL_MODE;
178     uint32_t       SENSOR_USAGE;
179     uint32_t       SENSOR_ALGORITHM_CONFIG_MASK;
180     uint8_t        ACCEL_RANDOM_WALK_SPECTRAL_DENSITY_VALID;
181     double         ACCEL_RANDOM_WALK_SPECTRAL_DENSITY;
182     uint8_t        ANGLE_RANDOM_WALK_SPECTRAL_DENSITY_VALID;
183     double         ANGLE_RANDOM_WALK_SPECTRAL_DENSITY;
184     uint8_t        RATE_RANDOM_WALK_SPECTRAL_DENSITY_VALID;
185     double         RATE_RANDOM_WALK_SPECTRAL_DENSITY;
186     uint8_t        VELOCITY_RANDOM_WALK_SPECTRAL_DENSITY_VALID;
187     double         VELOCITY_RANDOM_WALK_SPECTRAL_DENSITY;
188     uint32_t       SENSOR_PROVIDER;
189 } loc_sap_cfg_s_type;
190 
191 extern loc_gps_cfg_s_type gps_conf;
192 extern loc_sap_cfg_s_type sap_conf;
193 
194 int  loc_eng_init(loc_eng_data_s_type &loc_eng_data,
195                   LocCallbacks* callbacks,
196                   LOC_API_ADAPTER_EVENT_MASK_T event,
197                   ContextBase* context);
198 int  loc_eng_start(loc_eng_data_s_type &loc_eng_data);
199 int  loc_eng_stop(loc_eng_data_s_type &loc_eng_data);
200 void loc_eng_cleanup(loc_eng_data_s_type &loc_eng_data);
201 int  loc_eng_inject_time(loc_eng_data_s_type &loc_eng_data,
202                          GpsUtcTime time, int64_t timeReference,
203                          int uncertainty);
204 int  loc_eng_inject_location(loc_eng_data_s_type &loc_eng_data,
205                              double latitude, double longitude,
206                              float accuracy);
207 void loc_eng_delete_aiding_data(loc_eng_data_s_type &loc_eng_data,
208                                 GpsAidingData f);
209 int  loc_eng_set_position_mode(loc_eng_data_s_type &loc_eng_data,
210                                LocPosMode &params);
211 const void* loc_eng_get_extension(loc_eng_data_s_type &loc_eng_data,
212                                   const char* name);
213 void loc_eng_agps_init(loc_eng_data_s_type &loc_eng_data,
214                        AGpsExtCallbacks* callbacks);
215 int  loc_eng_agps_open(loc_eng_data_s_type &loc_eng_data, AGpsExtType agpsType,
216                       const char* apn, AGpsBearerType bearerType);
217 int  loc_eng_agps_closed(loc_eng_data_s_type &loc_eng_data, AGpsExtType agpsType);
218 int  loc_eng_agps_open_failed(loc_eng_data_s_type &loc_eng_data, AGpsExtType agpsType);
219 
220 int  loc_eng_set_server_proxy(loc_eng_data_s_type &loc_eng_data,
221                               LocServerType type, const char *hostname, int port);
222 
223 
224 void loc_eng_agps_ril_update_network_availability(loc_eng_data_s_type &loc_eng_data,
225                                                   int avaiable, const char* apn);
226 
227 
228 bool loc_eng_inject_raw_command(loc_eng_data_s_type &loc_eng_data,
229                                 char* command, int length);
230 
231 
232 void loc_eng_mute_one_session(loc_eng_data_s_type &loc_eng_data);
233 
234 int loc_eng_xtra_init (loc_eng_data_s_type &loc_eng_data,
235                        GpsXtraExtCallbacks* callbacks);
236 
237 int loc_eng_xtra_inject_data(loc_eng_data_s_type &loc_eng_data,
238                              char* data, int length);
239 
240 int loc_eng_xtra_request_server(loc_eng_data_s_type &loc_eng_data);
241 
242 extern void loc_eng_ni_init(loc_eng_data_s_type &loc_eng_data,
243                             GpsNiExtCallbacks *callbacks);
244 extern void loc_eng_ni_respond(loc_eng_data_s_type &loc_eng_data,
245                                int notif_id, GpsUserResponseType user_response);
246 extern void loc_eng_ni_request_handler(loc_eng_data_s_type &loc_eng_data,
247                                    const GpsNiNotification *notif,
248                                    const void* passThrough);
249 extern void loc_eng_ni_reset_on_engine_restart(loc_eng_data_s_type &loc_eng_data);
250 
251 int loc_eng_read_config(void);
252 
253 int loc_eng_agps_install_certificates(loc_eng_data_s_type &loc_eng_data,
254                                       const DerEncodedCertificate* certificates,
255                                       size_t length);
256 
257 void loc_eng_configuration_update (loc_eng_data_s_type &loc_eng_data,
258                                    const char* config_data, int32_t length);
259 int loc_eng_gps_measurement_init(loc_eng_data_s_type &loc_eng_data,
260                                  GpsMeasurementCallbacks* callbacks);
261 void loc_eng_gps_measurement_close(loc_eng_data_s_type &loc_eng_data);
262 
263 #ifdef __cplusplus
264 }
265 #endif /* __cplusplus */
266 
267 #endif // LOC_ENG_H
268