|  | /* 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; | 
|  | } |