1 /* Copyright (c) 2012-2015, 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 <unistd.h>
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <sys/types.h>
35 #include <sys/stat.h>
36 #include <fcntl.h>
37 #include <errno.h>
38 #include <log_util.h>
39 #include "loc_target.h"
40 #include "loc_log.h"
41 #include <loc_pla.h>
42
43 #define APQ8064_ID_1 "109"
44 #define APQ8064_ID_2 "153"
45 #define MPQ8064_ID_1 "130"
46 #define MSM8930_ID_1 "142"
47 #define MSM8930_ID_2 "116"
48 #define APQ8030_ID_1 "157"
49 #define APQ8074_ID_1 "184"
50
51 #define LINE_LEN 100
52 #define STR_LIQUID "Liquid"
53 #define STR_SURF "Surf"
54 #define STR_MTP "MTP"
55 #define STR_APQ "apq"
56 #define STR_SDC "sdc" // alternative string for APQ targets
57 #define STR_QCS "qcs" // string for Gen9 APQ targets
58 #define STR_MSM "msm"
59 #define STR_SDM "sdm" // alternative string for MSM targets
60 #define STR_APQ_NO_WGR "baseband_apq_nowgr"
61 #define STR_AUTO "auto"
62 #define IS_STR_END(c) ((c) == '\0' || (c) == '\n' || (c) == '\r')
63 #define LENGTH(s) (sizeof(s) - 1)
64 #define GPS_CHECK_NO_ERROR 0
65 #define GPS_CHECK_NO_GPS_HW 1
66
67 static unsigned int gTarget = (unsigned int)-1;
68
read_a_line(const char * file_path,char * line,int line_size)69 static int read_a_line(const char * file_path, char * line, int line_size)
70 {
71 FILE *fp;
72 int result = 0;
73
74 * line = '\0';
75 fp = fopen(file_path, "r" );
76 if( fp == NULL ) {
77 LOC_LOGE("open failed: %s: %s\n", file_path, strerror(errno));
78 result = -1;
79 } else {
80 int len;
81 fgets(line, line_size, fp);
82 len = strlen(line);
83 len = len < line_size - 1? len : line_size - 1;
84 line[len] = '\0';
85 LOC_LOGD("cat %s: %s", file_path, line);
86 fclose(fp);
87 }
88 return result;
89 }
90
91 /*The character array passed to this function should have length
92 of atleast PROPERTY_VALUE_MAX*/
loc_get_target_baseband(char * baseband,int array_length)93 void loc_get_target_baseband(char *baseband, int array_length)
94 {
95 if(baseband && (array_length >= PROPERTY_VALUE_MAX)) {
96 property_get("ro.baseband", baseband, "");
97 LOC_LOGD("%s:%d]: Baseband: %s\n", __func__, __LINE__, baseband);
98 }
99 else {
100 LOC_LOGE("%s:%d]: NULL parameter or array length less than PROPERTY_VALUE_MAX\n",
101 __func__, __LINE__);
102 }
103 }
104
105 /*The character array passed to this function should have length
106 of atleast PROPERTY_VALUE_MAX*/
loc_get_platform_name(char * platform_name,int array_length)107 void loc_get_platform_name(char *platform_name, int array_length)
108 {
109 if(platform_name && (array_length >= PROPERTY_VALUE_MAX)) {
110 property_get("ro.board.platform", platform_name, "");
111 LOC_LOGD("%s:%d]: Target name: %s\n", __func__, __LINE__, platform_name);
112 }
113 else {
114 LOC_LOGE("%s:%d]: Null parameter or array length less than PROPERTY_VALUE_MAX\n",
115 __func__, __LINE__);
116 }
117 }
118
119 /*The character array passed to this function should have length
120 of atleast PROPERTY_VALUE_MAX*/
loc_get_auto_platform_name(char * platform_name,int array_length)121 void loc_get_auto_platform_name(char *platform_name, int array_length)
122 {
123 if(platform_name && (array_length >= PROPERTY_VALUE_MAX)) {
124 property_get("ro.hardware.type", platform_name, "");
125 LOC_LOGD("%s:%d]: Autoplatform name: %s\n", __func__, __LINE__, platform_name);
126 }
127 else {
128 LOC_LOGE("%s:%d]: Null parameter or array length less than PROPERTY_VALUE_MAX\n",
129 __func__, __LINE__);
130 }
131 }
132
loc_get_target(void)133 unsigned int loc_get_target(void)
134 {
135 if (gTarget != (unsigned int)-1)
136 return gTarget;
137
138 static const char hw_platform[] = "/sys/devices/soc0/hw_platform";
139 static const char id[] = "/sys/devices/soc0/soc_id";
140 static const char hw_platform_dep[] =
141 "/sys/devices/system/soc/soc0/hw_platform";
142 static const char id_dep[] = "/sys/devices/system/soc/soc0/id";
143 static const char mdm[] = "/target"; // mdm target we are using
144
145 char rd_hw_platform[LINE_LEN];
146 char rd_id[LINE_LEN];
147 char rd_mdm[LINE_LEN];
148 char baseband[LINE_LEN];
149 char rd_auto_platform[LINE_LEN];
150
151 loc_get_target_baseband(baseband, sizeof(baseband));
152
153 if (!access(hw_platform, F_OK)) {
154 read_a_line(hw_platform, rd_hw_platform, LINE_LEN);
155 } else {
156 read_a_line(hw_platform_dep, rd_hw_platform, LINE_LEN);
157 }
158 if (!access(id, F_OK)) {
159 read_a_line(id, rd_id, LINE_LEN);
160 } else {
161 read_a_line(id_dep, rd_id, LINE_LEN);
162 }
163
164 /*check automotive platform*/
165 loc_get_auto_platform_name(rd_auto_platform, sizeof(rd_auto_platform));
166 if( !memcmp(rd_auto_platform, STR_AUTO, LENGTH(STR_AUTO)) )
167 {
168 gTarget = TARGET_AUTO;
169 goto detected;
170 }
171
172 if( !memcmp(baseband, STR_APQ_NO_WGR, LENGTH(STR_APQ_NO_WGR)) ){
173
174 gTarget = TARGET_NO_GNSS;
175 goto detected;
176 }
177
178 if( !memcmp(baseband, STR_APQ, LENGTH(STR_APQ)) ||
179 !memcmp(baseband, STR_SDC, LENGTH(STR_SDC)) ||
180 !memcmp(baseband, STR_QCS, LENGTH(STR_QCS)) ) {
181
182 if( !memcmp(rd_id, MPQ8064_ID_1, LENGTH(MPQ8064_ID_1))
183 && IS_STR_END(rd_id[LENGTH(MPQ8064_ID_1)]) )
184 gTarget = TARGET_NO_GNSS;
185 else
186 gTarget = TARGET_APQ_SA;
187 } else if (((!memcmp(rd_hw_platform, STR_LIQUID, LENGTH(STR_LIQUID))
188 && IS_STR_END(rd_hw_platform[LENGTH(STR_LIQUID)])) ||
189 (!memcmp(rd_hw_platform, STR_SURF, LENGTH(STR_SURF))
190 && IS_STR_END(rd_hw_platform[LENGTH(STR_SURF)])) ||
191 (!memcmp(rd_hw_platform, STR_MTP, LENGTH(STR_MTP))
192 && IS_STR_END(rd_hw_platform[LENGTH(STR_MTP)]))) &&
193 !read_a_line( mdm, rd_mdm, LINE_LEN)) {
194 gTarget = TARGET_MDM;
195 } else if( (!memcmp(rd_id, MSM8930_ID_1, LENGTH(MSM8930_ID_1))
196 && IS_STR_END(rd_id[LENGTH(MSM8930_ID_1)])) ||
197 (!memcmp(rd_id, MSM8930_ID_2, LENGTH(MSM8930_ID_2))
198 && IS_STR_END(rd_id[LENGTH(MSM8930_ID_2)])) ) {
199 gTarget = TARGET_MSM_NO_SSC;
200 } else if ( !memcmp(baseband, STR_MSM, LENGTH(STR_MSM)) ||
201 !memcmp(baseband, STR_SDM, LENGTH(STR_SDM)) ) {
202 gTarget = TARGET_DEFAULT;
203 } else {
204 gTarget = TARGET_UNKNOWN;
205 }
206
207 detected:
208 LOC_LOGW("HAL: %s returned %d", __FUNCTION__, gTarget);
209 return gTarget;
210 }
211