---
include/agps.h | 157 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 157 insertions(+), 0 deletions(-)
create mode 100644 include/agps.h
diff --git a/include/agps.h b/include/agps.h
new file mode 100644
index 0000000..783136b
--- /dev/null
+++ b/include/agps.h
@@ -0,0 +1,157 @@
+/*
+ *
+ * oFono - Open Source Telephony
+ *
+ * Copyright (C) 2009-2010 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __OFONO_AGPS_H
+#define __OFONO_AGPS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <ofono/types.h>
+
+enum ofono_lcs_frame_type {
+ RRLP_ASSISTANCE_DATA, /* from modem */
+ /* Position request can include assistance data as well */
+ RRLP_MEASURE_POSITION_REQUEST, /* from modem */
+ RRLP_MEASURE_POSITION_RESPONSE, /* from GPS */
+ RRC_ASSISTANCE_DATA_DELIVERY, /* from modem */
+ /* Measurement control can include assistance data as well */
+ RRC_MEASUREMENT_CONTROL, /* from modem */
+ RRC_MEASUREMENT_REPORT, /* from GPS */
+};
+
+enum ofono_access_technology {
+ RADIO_ACCESS_TECHNOLOGY_GSM, /* GSM */
+ RADIO_ACCESS_TECHNOLOGY_UMTS, /* UMTS */
+};
+
+enum ofono_rrc_state {
+ RRC_CELL_PCH,
+ RRC_CELL_FACH,
+ RRC_CELL_DCH,
+ RRC_URA_PCH,
+};
+
+struct ofono_lcs_frame {
+ enum ofono_lcs_frame_type lcs_frame_type;
+ int frame_length; /* size of raw_frame in bytes */
+ unsigned char *raw_frame;
+};
+
+struct ofono_lcs_gsm_fn {
+ int TDMA_frame_number; /* range 0 - 2715647 (2048*26*51) */
+ int TDMA_timeslot; /* range 0 - 7 */
+ int timeslot_bit; /* range 0 - 156 */
+ int timing_advance; /* range 0 - 63 */
+ int bcch_arfcn; /* range 0 - 1023 */
+ int bsic; /* range 0 - 64 */
+};
+
+struct ofono_lcs_utran_fn {
+ int sfn; /* range 0 - 4095 */
+ int rrc_state; /* enum ofono_rrc_state */
+ int round_trip_time; /* range 0 - 32766 */
+};
+
+struct ofono_lcs_radio_fn {
+ enum ofono_access_technology radio_access_technology;
+ union {
+ struct ofono_lcs_gsm_fn gsm_frame_number;
+ struct ofono_lcs_utran_fn utran_frame_number;
+ };
+};
+
+struct ofono_agps;
+
+typedef void (*ofono_agps_send_lcs_frame_cb_t)(const struct ofono_error *error,
+ void *data);
+typedef void (*ofono_agps_receive_lcs_frame_cb_t)(
+ const struct ofono_error *error,
+ void *data);
+typedef void (*ofono_agps_inject_time_cb_t)(const struct ofono_error *error,
+ struct ofono_lcs_radio_fn *radio_frame_number,
+ void *data);
+
+ /*
+ * AGPS related functions, including LCS frame forwarding and
+ * fine time injection
+ */
+struct ofono_agps_driver {
+ const char *name;
+ int (*probe)(struct ofono_agps *agps, unsigned int vendor,
+ void *data);
+ void (*remove)(struct ofono_agps *agps);
+
+ /* The GPS manager can configure the modem to notify Assistance Data and
+ * Position Requests from Mobile Network by enabling LcsEnabled status
+ */
+
+ void (*receive_lcs_frames)(struct ofono_agps *agps, int enabled,
+ ofono_agps_receive_lcs_frame_cb_t cb, void *data);
+
+ /* Assistance Data and Position Requests from the Mobile Network are
+ * signalled via the ofono_agps_lcs_frame_notify function and the
+ * oFono core to an external GPS manager. This GPS manager can reply
+ * to Position Requests with one or more Position Responses which
+ * are then send back to the modem via the send_lcs_frame function.
+ */
+ void (*send_lcs_frame)(struct ofono_agps *agps,
+ struct ofono_lcs_frame *frame,
+ ofono_agps_send_lcs_frame_cb_t cb, void *data);
+
+ /* The GPS manager can ask the modem to generate a HW pulse (time
+ * stamp) with a defined length and the modem replies indicates when
+ * it generates the pulse. But as the modem has no precise idea of
+ * Universal Time, it indicates at which radio frame number it
+ * generated the pulse. The GPS manager which knows the link between
+ * Universal Time and the Radio Frame number knows very precisely at
+ * what time the pulse was generated and its duration.
+ *
+ * Timing accuracy is typically a few microseconds.
+ */
+ void (*inject_time)(struct ofono_agps *agps,
+ int radio_access_technology, /* enum access_technology */
+ int pulse_length, /* duration of pulse in radio slots */
+ ofono_agps_inject_time_cb_t cb, void *data);
+};
+
+int ofono_agps_driver_register(const struct ofono_agps_driver *d);
+void ofono_agps_driver_unregister(const struct ofono_agps_driver *d);
+
+struct ofono_agps *ofono_agps_create(struct ofono_modem *modem,
+ unsigned int vendor, const char *driver,
+ void *data);
+
+void ofono_agps_register(struct ofono_agps *agps);
+void ofono_agps_remove(struct ofono_agps *agps);
+
+void ofono_agps_set_data(struct ofono_agps *agps, void *data);
+void *ofono_agps_get_data(struct ofono_agps *agps);
+
+void ofono_agps_lcs_frame_notify(struct ofono_agps *agps,
+ struct ofono_lcs_frame frame);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __OFONO_AGPS_H */
--
1.7.0.4
_______________________________________________
ofono mailing list
[email protected]
http://lists.ofono.org/listinfo/ofono
