250 lines
8.9 KiB
C++
250 lines
8.9 KiB
C++
/* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <log_util.h>
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#include "loc_target.h"
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#include "loc_log.h"
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#include <loc_pla.h>
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#define APQ8064_ID_1 "109"
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#define APQ8064_ID_2 "153"
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#define MPQ8064_ID_1 "130"
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#define MSM8930_ID_1 "142"
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#define MSM8930_ID_2 "116"
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#define APQ8030_ID_1 "157"
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#define APQ8074_ID_1 "184"
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#define LINE_LEN 100
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#define STR_LIQUID "Liquid"
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#define STR_SURF "Surf"
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#define STR_MTP "MTP"
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#define STR_APQ "apq"
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#define STR_SDC "sdc" // alternative string for APQ targets
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#define STR_QCS "qcs" // string for Gen9 APQ targets
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#define STR_MSM "msm"
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#define STR_SDM "sdm" // alternative string for MSM targets
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#define STR_APQ_NO_WGR "baseband_apq_nowgr"
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#define STR_AUTO "auto"
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#define IS_STR_END(c) ((c) == '\0' || (c) == '\n' || (c) == '\r')
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#define LENGTH(s) (sizeof(s) - 1)
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#define GPS_CHECK_NO_ERROR 0
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#define GPS_CHECK_NO_GPS_HW 1
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static unsigned int gTarget = (unsigned int)-1;
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static int read_a_line(const char * file_path, char * line, int line_size)
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{
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FILE *fp;
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int result = 0;
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* line = '\0';
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fp = fopen(file_path, "r" );
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if( fp == NULL ) {
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LOC_LOGE("open failed: %s: %s\n", file_path, strerror(errno));
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result = -1;
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} else {
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int len;
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fgets(line, line_size, fp);
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len = strlen(line);
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while ('\n' == line[len-1]) {
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// If there is a new line at end of string, replace it with NULL
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line[len-1] = '\0';
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len--;
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}
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len = len < line_size - 1? len : line_size - 1;
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line[len] = '\0';
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LOC_LOGD("cat %s: %s", file_path, line);
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fclose(fp);
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}
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return result;
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}
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/*The character array passed to this function should have length
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of atleast PROPERTY_VALUE_MAX*/
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void loc_get_target_baseband(char *baseband, int array_length)
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{
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if(baseband && (array_length >= PROPERTY_VALUE_MAX)) {
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property_get("ro.baseband", baseband, "");
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LOC_LOGD("%s:%d]: Baseband: %s\n", __func__, __LINE__, baseband);
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}
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else {
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LOC_LOGE("%s:%d]: NULL parameter or array length less than PROPERTY_VALUE_MAX\n",
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__func__, __LINE__);
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}
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}
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/*The character array passed to this function should have length
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of atleast PROPERTY_VALUE_MAX*/
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void loc_get_platform_name(char *platform_name, int array_length)
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{
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if(platform_name && (array_length >= PROPERTY_VALUE_MAX)) {
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property_get("ro.board.platform", platform_name, "");
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LOC_LOGD("%s:%d]: Target name: %s\n", __func__, __LINE__, platform_name);
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}
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else {
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LOC_LOGE("%s:%d]: Null parameter or array length less than PROPERTY_VALUE_MAX\n",
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__func__, __LINE__);
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}
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}
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/*The character array passed to this function should have length
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of atleast PROPERTY_VALUE_MAX*/
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void loc_get_auto_platform_name(char *platform_name, int array_length)
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{
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if(platform_name && (array_length >= PROPERTY_VALUE_MAX)) {
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property_get("ro.hardware.type", platform_name, "");
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LOC_LOGD("%s:%d]: Autoplatform name: %s\n", __func__, __LINE__, platform_name);
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}
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else {
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LOC_LOGE("%s:%d]: Null parameter or array length less than PROPERTY_VALUE_MAX\n",
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__func__, __LINE__);
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}
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}
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/*Reads the property ro.config.low_ram to identify if this is a low ram target
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Returns:
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0 if not a low ram target
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1 if this is a low ram target
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*/
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int loc_identify_low_ram_target()
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{
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int ret = 0;
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char low_ram_target[PROPERTY_VALUE_MAX];
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property_get("ro.config.low_ram", low_ram_target, "");
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LOC_LOGd("low ram target: %s\n", low_ram_target);
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return !(strncmp(low_ram_target, "true", PROPERTY_VALUE_MAX));
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}
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/*The character array passed to this function should have length
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of atleast PROPERTY_VALUE_MAX*/
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/* Reads the soc_id node and return the soc_id value */
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void loc_get_device_soc_id(char *soc_id_value, int array_length)
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{
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static const char soc_id[] = "/sys/devices/soc0/soc_id";
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static const char soc_id_dep[] = "/sys/devices/system/soc/soc0/id";
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int return_val = 0;
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if (soc_id_value && (array_length >= PROPERTY_VALUE_MAX)) {
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if (!access(soc_id, F_OK)) {
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return_val = read_a_line(soc_id, soc_id_value, array_length);
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} else {
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return_val = read_a_line(soc_id_dep, soc_id_value, array_length);
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}
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if (0 == return_val) {
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LOC_LOGd("SOC Id value: %s\n", soc_id_value);
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} else {
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LOC_LOGe("Unable to read the soc_id value\n");
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}
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} else {
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LOC_LOGe("Null parameter or array length less than PROPERTY_VALUE_MAX\n");
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}
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}
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unsigned int loc_get_target(void)
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{
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if (gTarget != (unsigned int)-1)
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return gTarget;
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static const char hw_platform[] = "/sys/devices/soc0/hw_platform";
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static const char hw_platform_dep[] =
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"/sys/devices/system/soc/soc0/hw_platform";
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static const char mdm[] = "/target"; // mdm target we are using
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char rd_hw_platform[LINE_LEN];
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char rd_id[LINE_LEN];
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char rd_mdm[LINE_LEN];
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char baseband[LINE_LEN];
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char rd_auto_platform[LINE_LEN];
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loc_get_target_baseband(baseband, sizeof(baseband));
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if (!access(hw_platform, F_OK)) {
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read_a_line(hw_platform, rd_hw_platform, LINE_LEN);
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} else {
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read_a_line(hw_platform_dep, rd_hw_platform, LINE_LEN);
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}
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// Get the soc-id for this device.
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loc_get_device_soc_id(rd_id, sizeof(rd_id));
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/*check automotive platform*/
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loc_get_auto_platform_name(rd_auto_platform, sizeof(rd_auto_platform));
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if( !memcmp(rd_auto_platform, STR_AUTO, LENGTH(STR_AUTO)) )
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{
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gTarget = TARGET_AUTO;
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goto detected;
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}
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if( !memcmp(baseband, STR_APQ_NO_WGR, LENGTH(STR_APQ_NO_WGR)) ){
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gTarget = TARGET_NO_GNSS;
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goto detected;
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}
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if( !memcmp(baseband, STR_APQ, LENGTH(STR_APQ)) ||
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!memcmp(baseband, STR_SDC, LENGTH(STR_SDC)) ||
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!memcmp(baseband, STR_QCS, LENGTH(STR_QCS)) ) {
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if( !memcmp(rd_id, MPQ8064_ID_1, LENGTH(MPQ8064_ID_1))
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&& IS_STR_END(rd_id[LENGTH(MPQ8064_ID_1)]) )
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gTarget = TARGET_NO_GNSS;
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else
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gTarget = TARGET_APQ_SA;
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} else if (((!memcmp(rd_hw_platform, STR_LIQUID, LENGTH(STR_LIQUID))
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&& IS_STR_END(rd_hw_platform[LENGTH(STR_LIQUID)])) ||
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(!memcmp(rd_hw_platform, STR_SURF, LENGTH(STR_SURF))
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&& IS_STR_END(rd_hw_platform[LENGTH(STR_SURF)])) ||
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(!memcmp(rd_hw_platform, STR_MTP, LENGTH(STR_MTP))
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&& IS_STR_END(rd_hw_platform[LENGTH(STR_MTP)]))) &&
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!read_a_line( mdm, rd_mdm, LINE_LEN)) {
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gTarget = TARGET_MDM;
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} else if( (!memcmp(rd_id, MSM8930_ID_1, LENGTH(MSM8930_ID_1))
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&& IS_STR_END(rd_id[LENGTH(MSM8930_ID_1)])) ||
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(!memcmp(rd_id, MSM8930_ID_2, LENGTH(MSM8930_ID_2))
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&& IS_STR_END(rd_id[LENGTH(MSM8930_ID_2)])) ) {
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gTarget = TARGET_MSM_NO_SSC;
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} else if ( !memcmp(baseband, STR_MSM, LENGTH(STR_MSM)) ||
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!memcmp(baseband, STR_SDM, LENGTH(STR_SDM)) ) {
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gTarget = TARGET_DEFAULT;
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} else {
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gTarget = TARGET_UNKNOWN;
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}
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detected:
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LOC_LOGW("HAL: %s returned %d", __FUNCTION__, gTarget);
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return gTarget;
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}
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