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 <hardware/gps.h>
38 #include <cutils/properties.h>
39 #include "loc_target.h"
40 #include "loc_log.h"
41 #include "log_util.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_AUTO "auto"
57 #define IS_STR_END(c) ((c) == '\0' || (c) == '\n' || (c) == '\r')
58 #define LENGTH(s) (sizeof(s) - 1)
59 #define GPS_CHECK_NO_ERROR 0
60 #define GPS_CHECK_NO_GPS_HW 1
61 /* When system server is started, it uses 20 seconds as ActivityManager
62 * timeout. After that it sends SIGSTOP signal to process.
63 */
64 #define QCA1530_DETECT_TIMEOUT 15
65 #define QCA1530_DETECT_PRESENT "yes"
66 #define QCA1530_DETECT_PROGRESS "detect"
67
68 static unsigned int gTarget = (unsigned int)-1;
69
read_a_line(const char * file_path,char * line,int line_size)70 static int read_a_line(const char * file_path, char * line, int line_size)
71 {
72 FILE *fp;
73 int result = 0;
74
75 * line = '\0';
76 fp = fopen(file_path, "r" );
77 if( fp == NULL ) {
78 LOC_LOGE("open failed: %s: %s\n", file_path, strerror(errno));
79 result = -1;
80 } else {
81 int len;
82 fgets(line, line_size, fp);
83 len = strlen(line);
84 len = len < line_size - 1? len : line_size - 1;
85 line[len] = '\0';
86 LOC_LOGD("cat %s: %s", file_path, line);
87 fclose(fp);
88 }
89 return result;
90 }
91
92 /*!
93 * \brief Checks if QCA1530 is avalable.
94 *
95 * Function verifies if qca1530 SoC is configured on the device. The test is
96 * based on property value. For 1530 scenario, the value shall be one of the
97 * following: "yes", "no", "detect". All other values are treated equally to
98 * "no". When the value is "detect" the system waits for SoC detection to
99 * finish before returning result.
100 *
101 * \retval true - QCA1530 is available.
102 * \retval false - QCA1530 is not available.
103 */
is_qca1530(void)104 static bool is_qca1530(void)
105 {
106 static const char qca1530_property_name[] = "sys.qca1530";
107 bool res = false;
108 int ret, i;
109 char buf[PROPERTY_VALUE_MAX];
110
111 memset(buf, 0, sizeof(buf));
112
113 for (i = 0; i < QCA1530_DETECT_TIMEOUT; ++i)
114 {
115 ret = property_get(qca1530_property_name, buf, NULL);
116 if (ret < 0)
117 {
118 LOC_LOGV( "qca1530: property %s is not accessible, ret=%d",
119 qca1530_property_name,
120 ret);
121
122 break;
123 }
124
125 LOC_LOGV( "qca1530: property %s is set to %s",
126 qca1530_property_name,
127 buf);
128
129 if (!memcmp(buf, QCA1530_DETECT_PRESENT,
130 sizeof(QCA1530_DETECT_PRESENT)))
131 {
132 res = true;
133 break;
134 }
135 if (!memcmp(buf, QCA1530_DETECT_PROGRESS,
136 sizeof(QCA1530_DETECT_PROGRESS)))
137 {
138 LOC_LOGV("qca1530: SoC detection is in progress.");
139 sleep(1);
140 continue;
141 }
142 break;
143 }
144
145 LOC_LOGD("qca1530: detected=%s", res ? "true" : "false");
146 return res;
147 }
148
149 /*The character array passed to this function should have length
150 of atleast PROPERTY_VALUE_MAX*/
loc_get_target_baseband(char * baseband,int array_length)151 void loc_get_target_baseband(char *baseband, int array_length)
152 {
153 if(baseband && (array_length >= PROPERTY_VALUE_MAX)) {
154 property_get("ro.baseband", baseband, "");
155 LOC_LOGD("%s:%d]: Baseband: %s\n", __func__, __LINE__, baseband);
156 }
157 else {
158 LOC_LOGE("%s:%d]: NULL parameter or array length less than PROPERTY_VALUE_MAX\n",
159 __func__, __LINE__);
160 }
161 }
162
163 /*The character array passed to this function should have length
164 of atleast PROPERTY_VALUE_MAX*/
loc_get_platform_name(char * platform_name,int array_length)165 void loc_get_platform_name(char *platform_name, int array_length)
166 {
167 if(platform_name && (array_length >= PROPERTY_VALUE_MAX)) {
168 property_get("ro.board.platform", platform_name, "");
169 LOC_LOGD("%s:%d]: Target name: %s\n", __func__, __LINE__, platform_name);
170 }
171 else {
172 LOC_LOGE("%s:%d]: Null parameter or array length less than PROPERTY_VALUE_MAX\n",
173 __func__, __LINE__);
174 }
175 }
176
loc_get_target(void)177 unsigned int loc_get_target(void)
178 {
179 if (gTarget != (unsigned int)-1)
180 return gTarget;
181
182 static const char hw_platform[] = "/sys/devices/soc0/hw_platform";
183 static const char id[] = "/sys/devices/soc0/soc_id";
184 static const char hw_platform_dep[] =
185 "/sys/devices/system/soc/soc0/hw_platform";
186 static const char id_dep[] = "/sys/devices/system/soc/soc0/id";
187 static const char mdm[] = "/dev/mdm"; // No such file or directory
188
189 char rd_hw_platform[LINE_LEN];
190 char rd_id[LINE_LEN];
191 char rd_mdm[LINE_LEN];
192 char baseband[LINE_LEN];
193
194 if (is_qca1530()) {
195 gTarget = TARGET_QCA1530;
196 goto detected;
197 }
198
199 loc_get_target_baseband(baseband, sizeof(baseband));
200
201 if (!access(hw_platform, F_OK)) {
202 read_a_line(hw_platform, rd_hw_platform, LINE_LEN);
203 } else {
204 read_a_line(hw_platform_dep, rd_hw_platform, LINE_LEN);
205 }
206 if (!access(id, F_OK)) {
207 read_a_line(id, rd_id, LINE_LEN);
208 } else {
209 read_a_line(id_dep, rd_id, LINE_LEN);
210 }
211 if( !memcmp(baseband, STR_AUTO, LENGTH(STR_AUTO)) )
212 {
213 gTarget = TARGET_AUTO;
214 goto detected;
215 }
216 if( !memcmp(baseband, STR_APQ, LENGTH(STR_APQ)) ){
217
218 if( !memcmp(rd_id, MPQ8064_ID_1, LENGTH(MPQ8064_ID_1))
219 && IS_STR_END(rd_id[LENGTH(MPQ8064_ID_1)]) )
220 gTarget = TARGET_MPQ;
221 else
222 gTarget = TARGET_APQ_SA;
223 }
224 else {
225 if( (!memcmp(rd_hw_platform, STR_LIQUID, LENGTH(STR_LIQUID))
226 && IS_STR_END(rd_hw_platform[LENGTH(STR_LIQUID)])) ||
227 (!memcmp(rd_hw_platform, STR_SURF, LENGTH(STR_SURF))
228 && IS_STR_END(rd_hw_platform[LENGTH(STR_SURF)])) ||
229 (!memcmp(rd_hw_platform, STR_MTP, LENGTH(STR_MTP))
230 && IS_STR_END(rd_hw_platform[LENGTH(STR_MTP)]))) {
231
232 if (!read_a_line( mdm, rd_mdm, LINE_LEN))
233 gTarget = TARGET_MDM;
234 }
235 else if( (!memcmp(rd_id, MSM8930_ID_1, LENGTH(MSM8930_ID_1))
236 && IS_STR_END(rd_id[LENGTH(MSM8930_ID_1)])) ||
237 (!memcmp(rd_id, MSM8930_ID_2, LENGTH(MSM8930_ID_2))
238 && IS_STR_END(rd_id[LENGTH(MSM8930_ID_2)])) )
239 gTarget = TARGET_MSM_NO_SSC;
240 else
241 gTarget = TARGET_UNKNOWN;
242 }
243
244 detected:
245 LOC_LOGD("HAL: %s returned %d", __FUNCTION__, gTarget);
246 return gTarget;
247 }
248