1/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are
5 * met:
6 *     * Redistributions of source code must retain the above copyright
7 *       notice, this list of conditions and the following disclaimer.
8 *     * Redistributions in binary form must reproduce the above
9 *       copyright notice, this list of conditions and the following
10 *       disclaimer in the documentation and/or other materials provided
11 *       with the distribution.
12 *     * Neither the name of The Linux Foundation nor the names of its
13 *       contributors may be used to endorse or promote products derived
14 *       from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30#include <stdio.h>
31#include <stdlib.h>
32#include <sys/types.h>
33#include <sys/stat.h>
34#include <fcntl.h>
35#include <errno.h>
36#include <hardware/gps.h>
37#include <cutils/properties.h>
38#include "loc_target.h"
39#include "loc_log.h"
40#include "log_util.h"
41
42#define APQ8064_ID_1 "109"
43#define APQ8064_ID_2 "153"
44#define MPQ8064_ID_1 "130"
45#define MSM8930_ID_1 "142"
46#define MSM8930_ID_2 "116"
47#define APQ8030_ID_1 "157"
48#define APQ8074_ID_1 "184"
49
50#define LINE_LEN 100
51#define STR_LIQUID    "Liquid"
52#define STR_SURF      "Surf"
53#define STR_MTP       "MTP"
54#define STR_APQ       "apq"
55#define IS_STR_END(c) ((c) == '\0' || (c) == '\n' || (c) == '\r')
56#define LENGTH(s) (sizeof(s) - 1)
57#define GPS_CHECK_NO_ERROR 0
58#define GPS_CHECK_NO_GPS_HW 1
59
60static int gss_fd = 0;
61
62static int read_a_line(const char * file_path, char * line, int line_size)
63{
64    FILE *fp;
65    int result = 0;
66
67    * line = '\0';
68    fp = fopen(file_path, "r" );
69    if( fp == NULL ) {
70        LOC_LOGE("open failed: %s: %s\n", file_path, strerror(errno));
71        result = -1;
72    } else {
73        int len;
74        fgets(line, line_size, fp);
75        len = strlen(line);
76        len = len < line_size - 1? len : line_size - 1;
77        line[len] = '\0';
78        LOC_LOGD("cat %s: %s", file_path, line);
79        fclose(fp);
80    }
81    return result;
82}
83
84unsigned int get_target(void)
85{
86    unsigned int target = TARGET_DEFAULT;
87
88    char hw_platform[]      = "/sys/devices/system/soc/soc0/hw_platform";
89    char id[]               = "/sys/devices/system/soc/soc0/id";
90    char mdm[]              = "/dev/mdm"; // No such file or directory
91
92    char rd_hw_platform[LINE_LEN];
93    char rd_id[LINE_LEN];
94    char rd_mdm[LINE_LEN];
95    char baseband[LINE_LEN];
96
97    property_get("ro.baseband", baseband, "");
98    read_a_line(hw_platform, rd_hw_platform, LINE_LEN);
99    read_a_line( id, rd_id, LINE_LEN);
100
101    if( !memcmp(baseband, STR_APQ, LENGTH(STR_APQ)) ){
102        if( !memcmp(rd_id, MPQ8064_ID_1, LENGTH(MPQ8064_ID_1))
103            && IS_STR_END(rd_id[LENGTH(MPQ8064_ID_1)]) )
104            target = TARGET_MPQ;
105        else
106            target = TARGET_APQ_SA;
107    }
108    else {
109        if( (!memcmp(rd_hw_platform, STR_LIQUID, LENGTH(STR_LIQUID))
110             && IS_STR_END(rd_hw_platform[LENGTH(STR_LIQUID)])) ||
111            (!memcmp(rd_hw_platform, STR_SURF,   LENGTH(STR_SURF))
112             && IS_STR_END(rd_hw_platform[LENGTH(STR_SURF)])) ||
113            (!memcmp(rd_hw_platform, STR_MTP,   LENGTH(STR_MTP))
114             && IS_STR_END(rd_hw_platform[LENGTH(STR_MTP)]))) {
115
116            if (!read_a_line( mdm, rd_mdm, LINE_LEN))
117                target = TARGET_MDM;
118        }
119        else if( (!memcmp(rd_id, MSM8930_ID_1, LENGTH(MSM8930_ID_1))
120                   && IS_STR_END(rd_id[LENGTH(MSM8930_ID_1)])) ||
121                  (!memcmp(rd_id, MSM8930_ID_2, LENGTH(MSM8930_ID_2))
122                   && IS_STR_END(rd_id[LENGTH(MSM8930_ID_2)])) )
123             target = TARGET_MSM_NO_SSC;
124    }
125    return target;
126}
127