From 42e8ab01901a627bef050179be7dbb725abd5787 Mon Sep 17 00:00:00 2001
From: Santoshkumar Zalake <szalake@codeaurora.org>
Date: Fri, 7 Jun 2019 13:55:19 +0530
Subject: Add GNSS Deployment Support.

The GNSS Deployment is used to configure
GNSS Hardware using gps.conf file

CRs-Fixed: 2480150

Change-Id: Ia09d3165de0c2f80f23bef8c0431095b25d16ea2
---
 core/ContextBase.cpp | 26 +++++++++++++++++++++-----
 core/ContextBase.h   |  1 +
 etc/gps.conf         | 10 ++++++++++
 3 files changed, 32 insertions(+), 5 deletions(-)

diff --git a/core/ContextBase.cpp b/core/ContextBase.cpp
index 084b6bf..b602989 100644
--- a/core/ContextBase.cpp
+++ b/core/ContextBase.cpp
@@ -40,6 +40,10 @@
 
 namespace loc_core {
 
+#define SLL_LOC_API_LIB_NAME "libsynergy_loc_api.so"
+#define LOC_APIV2_0_LIB_NAME "libloc_api_v02.so"
+#define IS_SS5_HW_ENABLED  1
+
 loc_gps_cfg_s_type ContextBase::mGps_conf {};
 loc_sap_cfg_s_type ContextBase::mSap_conf {};
 bool ContextBase::sIsEngineCapabilitiesKnown = false;
@@ -80,6 +84,7 @@ const loc_param_s_type ContextBase::mGps_conf_table[] =
   {"POSITION_ASSISTED_CLOCK_ESTIMATOR_ENABLED",  &mGps_conf.POSITION_ASSISTED_CLOCK_ESTIMATOR_ENABLED, NULL, 'n'},
   {"PROXY_APP_PACKAGE_NAME",         &mGps_conf.PROXY_APP_PACKAGE_NAME,         NULL, 's' },
   {"CP_MTLR_ES",                     &mGps_conf.CP_MTLR_ES,                     NULL, 'n' },
+  {"GNSS_DEPLOYMENT",  &mGps_conf.GNSS_DEPLOYMENT, NULL, 'n'},
 };
 
 const loc_param_s_type ContextBase::mSap_conf_table[] =
@@ -171,10 +176,16 @@ void ContextBase::readConfig()
         mGps_conf.CONSTRAINED_TIME_UNCERTAINTY_ENERGY_BUDGET = 0;
         /* default configuration value of position assisted clock estimator mode */
         mGps_conf.POSITION_ASSISTED_CLOCK_ESTIMATOR_ENABLED = 0;
+        /* default configuration QCOM GNSS H/W */
+        mGps_conf.GNSS_DEPLOYMENT = 0;
 
         UTIL_READ_CONF(LOC_PATH_GPS_CONF, mGps_conf_table);
         UTIL_READ_CONF(LOC_PATH_SAP_CONF, mSap_conf_table);
 
+        LOC_LOGI("%s] GNSS Deployment: %s", __FUNCTION__,
+                ((mGps_conf.GNSS_DEPLOYMENT == 1) ? "SS5" :
+                ((mGps_conf.GNSS_DEPLOYMENT == 2) ? "QFUSION" : "QGNSS")));
+
         switch (getTargetGnssType(loc_get_target())) {
           case GNSS_GSS:
           case GNSS_AUTO:
@@ -231,19 +242,24 @@ LBSProxyBase* ContextBase::getLBSProxy(const char* libName)
 LocApiBase* ContextBase::createLocApi(LOC_API_ADAPTER_EVENT_MASK_T exMask)
 {
     LocApiBase* locApi = NULL;
+    const char* libname = LOC_APIV2_0_LIB_NAME;
 
     // Check the target
     if (TARGET_NO_GNSS != loc_get_target()){
 
         if (NULL == (locApi = mLBSProxy->getLocApi(exMask, this))) {
             void *handle = NULL;
-            //try to see if LocApiV02 is present
-            if ((handle = dlopen("libloc_api_v02.so", RTLD_NOW)) != NULL) {
-                LOC_LOGD("%s:%d]: libloc_api_v02.so is present", __func__, __LINE__);
+
+            if (IS_SS5_HW_ENABLED == mGps_conf.GNSS_DEPLOYMENT) {
+                libname = SLL_LOC_API_LIB_NAME;
+            }
+
+            if ((handle = dlopen(libname, RTLD_NOW)) != NULL) {
+                LOC_LOGD("%s:%d]: %s is present", __func__, __LINE__, libname);
                 getLocApi_t* getter = (getLocApi_t*) dlsym(handle, "getLocApi");
                 if (getter != NULL) {
-                    LOC_LOGD("%s:%d]: getter is not NULL for LocApiV02", __func__,
-                            __LINE__);
+                    LOC_LOGD("%s:%d]: getter is not NULL of %s", __func__,
+                            __LINE__, libname);
                     locApi = (*getter)(exMask, this);
                 }
             }
diff --git a/core/ContextBase.h b/core/ContextBase.h
index ab61a08..5da76e2 100644
--- a/core/ContextBase.h
+++ b/core/ContextBase.h
@@ -73,6 +73,7 @@ typedef struct loc_gps_cfg_s
     uint32_t       POSITION_ASSISTED_CLOCK_ESTIMATOR_ENABLED;
     char           PROXY_APP_PACKAGE_NAME[LOC_MAX_PARAM_STRING];
     uint32_t       CP_MTLR_ES;
+    uint32_t       GNSS_DEPLOYMENT;
 } loc_gps_cfg_s_type;
 
 /* NOTE: the implementaiton of the parser casts number
diff --git a/etc/gps.conf b/etc/gps.conf
index f773e81..c247cbd 100644
--- a/etc/gps.conf
+++ b/etc/gps.conf
@@ -287,3 +287,13 @@ PROXY_APP_PACKAGE_NAME = com.google.android.carrierlocation
 #####################################
 # CP MTLR ES, 1=enable, 0=disable
 CP_MTLR_ES=0
+
+##################################################
+# GNSS_DEPLOYMENT
+##################################################
+# 0 : Enable QCOM GNSS (default)
+# 1 : Enable QCSR SS5
+# This setting use to select between QCOM GNSS
+# and QCSR SS5 hardware receiver.
+# By default QCOM GNSS receiver is enabled.
+# GNSS_DEPLOYMENT = 0
-- 
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