android_device_xiaomi_sdm66.../utils/loc_target.cpp
Saurabh Srivastava 54aa95888b Updating ro.baseband target property value
Updating target derivation logic based on ro.baseband property.
There are new values which must be considered in the target
derivation logic.

Change-Id: I2e81ab00c107247dcb8f1a919136bb61b482e73c
CRs-Fixed: 1105916
2017-03-15 19:20:54 -07:00

296 lines
9.8 KiB
C++

/* 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 <cutils/properties.h>
#include "loc_target.h"
#include "loc_log.h"
#include <platform_lib_includes.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_SDC "sdc" // alternative string for APQ targets
#define STR_MSM "msm"
#define STR_SDM "sdm" // alternative string for MSM targets
#define STR_APQ_NO_WGR "baseband_apq_nowgr"
#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 = platform_lib_abstraction_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__);
}
}
/*The character array passed to this function should have length
of atleast PROPERTY_VALUE_MAX*/
void loc_get_auto_platform_name(char *platform_name, int array_length)
{
if(platform_name && (array_length >= PROPERTY_VALUE_MAX)) {
property_get("ro.hardware.type", platform_name, "");
LOC_LOGD("%s:%d]: Autoplatform 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];
char rd_auto_platform[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);
}
/*check automotive platform*/
loc_get_auto_platform_name(rd_auto_platform, sizeof(rd_auto_platform));
if( !memcmp(rd_auto_platform, STR_AUTO, LENGTH(STR_AUTO)) )
{
gTarget = TARGET_AUTO;
goto detected;
}
if( !memcmp(baseband, STR_APQ_NO_WGR, LENGTH(STR_APQ_NO_WGR)) ){
gTarget = TARGET_NO_GNSS;
goto detected;
}
if( !memcmp(baseband, STR_APQ, LENGTH(STR_APQ)) ||
!memcmp(baseband, STR_SDC, LENGTH(STR_SDC)) ){
if( !memcmp(rd_id, MPQ8064_ID_1, LENGTH(MPQ8064_ID_1))
&& IS_STR_END(rd_id[LENGTH(MPQ8064_ID_1)]) )
gTarget = TARGET_NO_GNSS;
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 if ( !memcmp(baseband, STR_MSM, LENGTH(STR_MSM)) ||
!memcmp(baseband, STR_SDM, LENGTH(STR_SDM)) )
gTarget = TARGET_DEFAULT;
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));
}