Added gps library code.
diff --git a/gps/utils/loc_target.cpp b/gps/utils/loc_target.cpp
new file mode 100644
index 0000000..08f5584
--- /dev/null
+++ b/gps/utils/loc_target.cpp
@@ -0,0 +1,260 @@
+/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <hardware/gps.h>
+#include <cutils/properties.h>
+#include "loc_target.h"
+#include "loc_log.h"
+#include "log_util.h"
+
+#define APQ8064_ID_1 "109"
+#define APQ8064_ID_2 "153"
+#define MPQ8064_ID_1 "130"
+#define MSM8930_ID_1 "142"
+#define MSM8930_ID_2 "116"
+#define APQ8030_ID_1 "157"
+#define APQ8074_ID_1 "184"
+
+#define LINE_LEN 100
+#define STR_LIQUID "Liquid"
+#define STR_SURF "Surf"
+#define STR_MTP "MTP"
+#define STR_APQ "apq"
+#define STR_AUTO "auto"
+#define IS_STR_END(c) ((c) == '\0' || (c) == '\n' || (c) == '\r')
+#define LENGTH(s) (sizeof(s) - 1)
+#define GPS_CHECK_NO_ERROR 0
+#define GPS_CHECK_NO_GPS_HW 1
+/* When system server is started, it uses 20 seconds as ActivityManager
+ * timeout. After that it sends SIGSTOP signal to process.
+ */
+#define QCA1530_DETECT_TIMEOUT 15
+#define QCA1530_DETECT_PRESENT "yes"
+#define QCA1530_DETECT_PROGRESS "detect"
+
+static unsigned int gTarget = (unsigned int)-1;
+
+static int read_a_line(const char * file_path, char * line, int line_size)
+{
+ FILE *fp;
+ int result = 0;
+
+ * line = '\0';
+ fp = fopen(file_path, "r" );
+ if( fp == NULL ) {
+ LOC_LOGE("open failed: %s: %s\n", file_path, strerror(errno));
+ result = -1;
+ } else {
+ int len;
+ fgets(line, line_size, fp);
+ len = strlen(line);
+ len = len < line_size - 1? len : line_size - 1;
+ line[len] = '\0';
+ LOC_LOGD("cat %s: %s", file_path, line);
+ fclose(fp);
+ }
+ return result;
+}
+
+/*!
+ * \brief Checks if QCA1530 is avalable.
+ *
+ * Function verifies if qca1530 SoC is configured on the device. The test is
+ * based on property value. For 1530 scenario, the value shall be one of the
+ * following: "yes", "no", "detect". All other values are treated equally to
+ * "no". When the value is "detect" the system waits for SoC detection to
+ * finish before returning result.
+ *
+ * \retval true - QCA1530 is available.
+ * \retval false - QCA1530 is not available.
+ */
+static bool is_qca1530(void)
+{
+ static const char qca1530_property_name[] = "sys.qca1530";
+ bool res = false;
+ int ret, i;
+ char buf[PROPERTY_VALUE_MAX];
+
+ memset(buf, 0, sizeof(buf));
+
+ for (i = 0; i < QCA1530_DETECT_TIMEOUT; ++i)
+ {
+ ret = property_get(qca1530_property_name, buf, NULL);
+ if (ret < 0)
+ {
+ LOC_LOGV( "qca1530: property %s is not accessible, ret=%d",
+ qca1530_property_name,
+ ret);
+
+ break;
+ }
+
+ LOC_LOGV( "qca1530: property %s is set to %s",
+ qca1530_property_name,
+ buf);
+
+ if (!memcmp(buf, QCA1530_DETECT_PRESENT,
+ sizeof(QCA1530_DETECT_PRESENT)))
+ {
+ res = true;
+ break;
+ }
+ if (!memcmp(buf, QCA1530_DETECT_PROGRESS,
+ sizeof(QCA1530_DETECT_PROGRESS)))
+ {
+ LOC_LOGV("qca1530: SoC detection is in progress.");
+ sleep(1);
+ continue;
+ }
+ break;
+ }
+
+ LOC_LOGD("qca1530: detected=%s", res ? "true" : "false");
+ return res;
+}
+
+/*The character array passed to this function should have length
+ of atleast PROPERTY_VALUE_MAX*/
+void loc_get_target_baseband(char *baseband, int array_length)
+{
+ if(baseband && (array_length >= PROPERTY_VALUE_MAX)) {
+ property_get("ro.baseband", baseband, "");
+ LOC_LOGD("%s:%d]: Baseband: %s\n", __func__, __LINE__, baseband);
+ }
+ else {
+ LOC_LOGE("%s:%d]: NULL parameter or array length less than PROPERTY_VALUE_MAX\n",
+ __func__, __LINE__);
+ }
+}
+
+/*The character array passed to this function should have length
+ of atleast PROPERTY_VALUE_MAX*/
+void loc_get_platform_name(char *platform_name, int array_length)
+{
+ if(platform_name && (array_length >= PROPERTY_VALUE_MAX)) {
+ property_get("ro.board.platform", platform_name, "");
+ LOC_LOGD("%s:%d]: Target name: %s\n", __func__, __LINE__, platform_name);
+ }
+ else {
+ LOC_LOGE("%s:%d]: Null parameter or array length less than PROPERTY_VALUE_MAX\n",
+ __func__, __LINE__);
+ }
+}
+
+unsigned int loc_get_target(void)
+{
+ if (gTarget != (unsigned int)-1)
+ return gTarget;
+
+ static const char hw_platform[] = "/sys/devices/soc0/hw_platform";
+ static const char id[] = "/sys/devices/soc0/soc_id";
+ static const char hw_platform_dep[] =
+ "/sys/devices/system/soc/soc0/hw_platform";
+ static const char id_dep[] = "/sys/devices/system/soc/soc0/id";
+ static const char mdm[] = "/dev/mdm"; // No such file or directory
+
+ char rd_hw_platform[LINE_LEN];
+ char rd_id[LINE_LEN];
+ char rd_mdm[LINE_LEN];
+ char baseband[LINE_LEN];
+
+ if (is_qca1530()) {
+ gTarget = TARGET_QCA1530;
+ goto detected;
+ }
+
+ loc_get_target_baseband(baseband, sizeof(baseband));
+
+ if (!access(hw_platform, F_OK)) {
+ read_a_line(hw_platform, rd_hw_platform, LINE_LEN);
+ } else {
+ read_a_line(hw_platform_dep, rd_hw_platform, LINE_LEN);
+ }
+ if (!access(id, F_OK)) {
+ read_a_line(id, rd_id, LINE_LEN);
+ } else {
+ read_a_line(id_dep, rd_id, LINE_LEN);
+ }
+ if( !memcmp(baseband, STR_AUTO, LENGTH(STR_AUTO)) )
+ {
+ gTarget = TARGET_AUTO;
+ goto detected;
+ }
+ if( !memcmp(baseband, STR_APQ, LENGTH(STR_APQ)) ){
+
+ if( !memcmp(rd_id, MPQ8064_ID_1, LENGTH(MPQ8064_ID_1))
+ && IS_STR_END(rd_id[LENGTH(MPQ8064_ID_1)]) )
+ gTarget = TARGET_MPQ;
+ else
+ gTarget = TARGET_APQ_SA;
+ }
+ else {
+ if( (!memcmp(rd_hw_platform, STR_LIQUID, LENGTH(STR_LIQUID))
+ && IS_STR_END(rd_hw_platform[LENGTH(STR_LIQUID)])) ||
+ (!memcmp(rd_hw_platform, STR_SURF, LENGTH(STR_SURF))
+ && IS_STR_END(rd_hw_platform[LENGTH(STR_SURF)])) ||
+ (!memcmp(rd_hw_platform, STR_MTP, LENGTH(STR_MTP))
+ && IS_STR_END(rd_hw_platform[LENGTH(STR_MTP)]))) {
+
+ if (!read_a_line( mdm, rd_mdm, LINE_LEN))
+ gTarget = TARGET_MDM;
+ }
+ else if( (!memcmp(rd_id, MSM8930_ID_1, LENGTH(MSM8930_ID_1))
+ && IS_STR_END(rd_id[LENGTH(MSM8930_ID_1)])) ||
+ (!memcmp(rd_id, MSM8930_ID_2, LENGTH(MSM8930_ID_2))
+ && IS_STR_END(rd_id[LENGTH(MSM8930_ID_2)])) )
+ gTarget = TARGET_MSM_NO_SSC;
+ else
+ gTarget = TARGET_UNKNOWN;
+ }
+
+detected:
+ LOC_LOGD("HAL: %s returned %d", __FUNCTION__, gTarget);
+ return gTarget;
+}
+
+/*Reads the property ro.lean to identify if this is a lean target
+ Returns:
+ 0 if not a lean and mean target
+ 1 if this is a lean and mean target
+*/
+int loc_identify_lean_target()
+{
+ int ret = 0;
+ char lean_target[PROPERTY_VALUE_MAX];
+ property_get("ro.lean", lean_target, "");
+ LOC_LOGD("%s:%d]: lean target: %s\n", __func__, __LINE__, lean_target);
+ return !(strncmp(lean_target, "true", PROPERTY_VALUE_MAX));
+}