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PL286/hardware/qcom/gps/utils/loc_target.cpp

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/* Copyright (c) 2012-2015, 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 <string.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;
}