/* 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 <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <log_util.h>
#include "loc_target.h"
#include "loc_log.h"
#include <loc_pla.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_QCS "qcs" // string for Gen9 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
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);
while ('\n' == line[len-1]) {
// If there is a new line at end of string, replace it with NULL
line[len-1] = '\0';
len--;
}
len = len < line_size - 1? len : line_size - 1;
line[len] = '\0';
LOC_LOGD("cat %s: %s", file_path, line);
fclose(fp);
}
return result;
}
/*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__);
}
}
/*Reads the property ro.config.low_ram to identify if this is a low ram target
Returns:
0 if not a low ram target
1 if this is a low ram target
*/
int loc_identify_low_ram_target()
{
int ret = 0;
char low_ram_target[PROPERTY_VALUE_MAX];
property_get("ro.config.low_ram", low_ram_target, "");
LOC_LOGd("low ram target: %s\n", low_ram_target);
return !(strncmp(low_ram_target, "true", PROPERTY_VALUE_MAX));
}
/*The character array passed to this function should have length
of atleast PROPERTY_VALUE_MAX*/
/* Reads the soc_id node and return the soc_id value */
void loc_get_device_soc_id(char *soc_id_value, int array_length)
{
static const char soc_id[] = "/sys/devices/soc0/soc_id";
static const char soc_id_dep[] = "/sys/devices/system/soc/soc0/id";
int return_val = 0;
if (soc_id_value && (array_length >= PROPERTY_VALUE_MAX)) {
if (!access(soc_id, F_OK)) {
return_val = read_a_line(soc_id, soc_id_value, array_length);
} else {
return_val = read_a_line(soc_id_dep, soc_id_value, array_length);
}
if (0 == return_val) {
LOC_LOGd("SOC Id value: %s\n", soc_id_value);
} else {
LOC_LOGe("Unable to read the soc_id value\n");
}
} else {
LOC_LOGe("Null parameter or array length less than PROPERTY_VALUE_MAX\n");
}
}
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 hw_platform_dep[] =
"/sys/devices/system/soc/soc0/hw_platform";
static const char mdm[] = "/target"; // mdm target we are using
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];
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);
}
// Get the soc-id for this device.
loc_get_device_soc_id(rd_id, sizeof(rd_id));
/*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)) ||
!memcmp(baseband, STR_QCS, LENGTH(STR_QCS)) ) {
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)]))) &&
!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_LOGW("HAL: %s returned %d", __FUNCTION__, gTarget);
return gTarget;
}
