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 <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <sys/types.h>
34 #include <sys/stat.h>
35 #include <fcntl.h>
36 #include <errno.h>
37 #include <cutils/properties.h>
38 #include "loc_target.h"
39 #include "loc_log.h"
40 #include <platform_lib_includes.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 STR_SDC "sdc" // alternative string for APQ targets
56 #define STR_QCS "qcs" // string for Gen9 APQ targets
57 #define STR_MSM "msm"
58 #define STR_SDM "sdm" // alternative string for MSM targets
59 #define STR_APQ_NO_WGR "baseband_apq_nowgr"
60 #define STR_AUTO "auto"
61 #define IS_STR_END(c) ((c) == '\0' || (c) == '\n' || (c) == '\r')
62 #define LENGTH(s) (sizeof(s) - 1)
63 #define GPS_CHECK_NO_ERROR 0
64 #define GPS_CHECK_NO_GPS_HW 1
65
66 static unsigned int gTarget = (unsigned int)-1;
67
read_a_line(const char * file_path,char * line,int line_size)68 static int read_a_line(const char * file_path, char * line, int line_size)
69 {
70 FILE *fp;
71 int result = 0;
72
73 * line = '\0';
74 fp = fopen(file_path, "r" );
75 if( fp == NULL ) {
76 LOC_LOGE("open failed: %s: %s\n", file_path, strerror(errno));
77 result = -1;
78 } else {
79 int len;
80 fgets(line, line_size, fp);
81 len = strlen(line);
82 len = len < line_size - 1? len : line_size - 1;
83 line[len] = '\0';
84 LOC_LOGD("cat %s: %s", file_path, line);
85 fclose(fp);
86 }
87 return result;
88 }
89
90 /*The character array passed to this function should have length
91 of atleast PROPERTY_VALUE_MAX*/
loc_get_target_baseband(char * baseband,int array_length)92 void loc_get_target_baseband(char *baseband, int array_length)
93 {
94 if(baseband && (array_length >= PROPERTY_VALUE_MAX)) {
95 property_get("ro.baseband", baseband, "");
96 LOC_LOGD("%s:%d]: Baseband: %s\n", __func__, __LINE__, baseband);
97 }
98 else {
99 LOC_LOGE("%s:%d]: NULL parameter or array length less than PROPERTY_VALUE_MAX\n",
100 __func__, __LINE__);
101 }
102 }
103
104 /*The character array passed to this function should have length
105 of atleast PROPERTY_VALUE_MAX*/
loc_get_platform_name(char * platform_name,int array_length)106 void loc_get_platform_name(char *platform_name, int array_length)
107 {
108 if(platform_name && (array_length >= PROPERTY_VALUE_MAX)) {
109 property_get("ro.board.platform", platform_name, "");
110 LOC_LOGD("%s:%d]: Target name: %s\n", __func__, __LINE__, platform_name);
111 }
112 else {
113 LOC_LOGE("%s:%d]: Null parameter or array length less than PROPERTY_VALUE_MAX\n",
114 __func__, __LINE__);
115 }
116 }
117
118 /*The character array passed to this function should have length
119 of atleast PROPERTY_VALUE_MAX*/
loc_get_auto_platform_name(char * platform_name,int array_length)120 void loc_get_auto_platform_name(char *platform_name, int array_length)
121 {
122 if(platform_name && (array_length >= PROPERTY_VALUE_MAX)) {
123 property_get("ro.hardware.type", platform_name, "");
124 LOC_LOGD("%s:%d]: Autoplatform name: %s\n", __func__, __LINE__, platform_name);
125 }
126 else {
127 LOC_LOGE("%s:%d]: Null parameter or array length less than PROPERTY_VALUE_MAX\n",
128 __func__, __LINE__);
129 }
130 }
131
loc_get_target(void)132 unsigned int loc_get_target(void)
133 {
134 if (gTarget != (unsigned int)-1)
135 return gTarget;
136
137 static const char hw_platform[] = "/sys/devices/soc0/hw_platform";
138 static const char id[] = "/sys/devices/soc0/soc_id";
139 static const char hw_platform_dep[] =
140 "/sys/devices/system/soc/soc0/hw_platform";
141 static const char id_dep[] = "/sys/devices/system/soc/soc0/id";
142 static const char mdm[] = "/target"; // mdm target we are using
143
144 char rd_hw_platform[LINE_LEN];
145 char rd_id[LINE_LEN];
146 char rd_mdm[LINE_LEN];
147 char baseband[LINE_LEN];
148 char rd_auto_platform[LINE_LEN];
149
150 loc_get_target_baseband(baseband, sizeof(baseband));
151
152 if (!access(hw_platform, F_OK)) {
153 read_a_line(hw_platform, rd_hw_platform, LINE_LEN);
154 } else {
155 read_a_line(hw_platform_dep, rd_hw_platform, LINE_LEN);
156 }
157 if (!access(id, F_OK)) {
158 read_a_line(id, rd_id, LINE_LEN);
159 } else {
160 read_a_line(id_dep, rd_id, LINE_LEN);
161 }
162
163 /*check automotive platform*/
164 loc_get_auto_platform_name(rd_auto_platform, sizeof(rd_auto_platform));
165 if( !memcmp(rd_auto_platform, STR_AUTO, LENGTH(STR_AUTO)) )
166 {
167 gTarget = TARGET_AUTO;
168 goto detected;
169 }
170
171 if( !memcmp(baseband, STR_APQ_NO_WGR, LENGTH(STR_APQ_NO_WGR)) ){
172
173 gTarget = TARGET_NO_GNSS;
174 goto detected;
175 }
176
177 if( !memcmp(baseband, STR_APQ, LENGTH(STR_APQ)) ||
178 !memcmp(baseband, STR_SDC, LENGTH(STR_SDC)) ||
179 !memcmp(baseband, STR_QCS, LENGTH(STR_QCS)) ) {
180
181 if( !memcmp(rd_id, MPQ8064_ID_1, LENGTH(MPQ8064_ID_1))
182 && IS_STR_END(rd_id[LENGTH(MPQ8064_ID_1)]) )
183 gTarget = TARGET_NO_GNSS;
184 else
185 gTarget = TARGET_APQ_SA;
186 } else if (((!memcmp(rd_hw_platform, STR_LIQUID, LENGTH(STR_LIQUID))
187 && IS_STR_END(rd_hw_platform[LENGTH(STR_LIQUID)])) ||
188 (!memcmp(rd_hw_platform, STR_SURF, LENGTH(STR_SURF))
189 && IS_STR_END(rd_hw_platform[LENGTH(STR_SURF)])) ||
190 (!memcmp(rd_hw_platform, STR_MTP, LENGTH(STR_MTP))
191 && IS_STR_END(rd_hw_platform[LENGTH(STR_MTP)]))) &&
192 !read_a_line( mdm, rd_mdm, LINE_LEN)) {
193 gTarget = TARGET_MDM;
194 } else if( (!memcmp(rd_id, MSM8930_ID_1, LENGTH(MSM8930_ID_1))
195 && IS_STR_END(rd_id[LENGTH(MSM8930_ID_1)])) ||
196 (!memcmp(rd_id, MSM8930_ID_2, LENGTH(MSM8930_ID_2))
197 && IS_STR_END(rd_id[LENGTH(MSM8930_ID_2)])) ) {
198 gTarget = TARGET_MSM_NO_SSC;
199 } else if ( !memcmp(baseband, STR_MSM, LENGTH(STR_MSM)) ||
200 !memcmp(baseband, STR_SDM, LENGTH(STR_SDM)) ) {
201 gTarget = TARGET_DEFAULT;
202 } else {
203 gTarget = TARGET_UNKNOWN;
204 }
205
206 detected:
207 LOC_LOGW("HAL: %s returned %d", __FUNCTION__, gTarget);
208 return gTarget;
209 }
210
211 /*Reads the property ro.lean to identify if this is a lean target
212 Returns:
213 0 if not a lean and mean target
214 1 if this is a lean and mean target
215 */
loc_identify_lean_target()216 int loc_identify_lean_target()
217 {
218 int ret = 0;
219 char lean_target[PROPERTY_VALUE_MAX];
220 property_get("ro.lean", lean_target, "");
221 LOC_LOGD("%s:%d]: lean target: %s\n", __func__, __LINE__, lean_target);
222 return !(strncmp(lean_target, "true", PROPERTY_VALUE_MAX));
223 }
224