1 /* Copyright (c) 2012-2014, 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 IS_STR_END(c) ((c) == '\0' || (c) == '\n' || (c) == '\r')
57 #define LENGTH(s) (sizeof(s) - 1)
58 #define GPS_CHECK_NO_ERROR 0
59 #define GPS_CHECK_NO_GPS_HW 1
60 /* When system server is started, it uses 20 seconds as ActivityManager
61 * timeout. After that it sends SIGSTOP signal to process.
62 */
63 #define QCA1530_DETECT_TIMEOUT 15
64 #define QCA1530_DETECT_PRESENT "yes"
65 #define QCA1530_DETECT_PROGRESS "detect"
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 /*!
92 * \brief Checks if QCA1530 is avalable.
93 *
94 * Function verifies if qca1530 SoC is configured on the device. The test is
95 * based on property value. For 1530 scenario, the value shall be one of the
96 * following: "yes", "no", "detect". All other values are treated equally to
97 * "no". When the value is "detect" the system waits for SoC detection to
98 * finish before returning result.
99 *
100 * \retval true - QCA1530 is available.
101 * \retval false - QCA1530 is not available.
102 */
is_qca1530(void)103 static bool is_qca1530(void)
104 {
105 static const char qca1530_property_name[] = "sys.qca1530";
106 bool res = false;
107 int ret, i;
108 char buf[PROPERTY_VALUE_MAX];
109
110 memset(buf, 0, sizeof(buf));
111
112 for (i = 0; i < QCA1530_DETECT_TIMEOUT; ++i)
113 {
114 ret = property_get(qca1530_property_name, buf, NULL);
115 if (ret < 0)
116 {
117 LOC_LOGV( "qca1530: property %s is not accessible, ret=%d",
118 qca1530_property_name,
119 ret);
120
121 break;
122 }
123
124 LOC_LOGV( "qca1530: property %s is set to %s",
125 qca1530_property_name,
126 buf);
127
128 if (!memcmp(buf, QCA1530_DETECT_PRESENT,
129 sizeof(QCA1530_DETECT_PRESENT)))
130 {
131 res = true;
132 break;
133 }
134 if (!memcmp(buf, QCA1530_DETECT_PROGRESS,
135 sizeof(QCA1530_DETECT_PROGRESS)))
136 {
137 LOC_LOGV("qca1530: SoC detection is in progress.");
138 sleep(1);
139 continue;
140 }
141 break;
142 }
143
144 LOC_LOGD("qca1530: detected=%s", res ? "true" : "false");
145 return res;
146 }
147
148 /*The character array passed to this function should have length
149 of atleast PROPERTY_VALUE_MAX*/
loc_get_target_baseband(char * baseband,int array_length)150 void loc_get_target_baseband(char *baseband, int array_length)
151 {
152 if(baseband && (array_length >= PROPERTY_VALUE_MAX)) {
153 property_get("ro.baseband", baseband, "");
154 LOC_LOGD("%s:%d]: Baseband: %s\n", __func__, __LINE__, baseband);
155 }
156 else {
157 LOC_LOGE("%s:%d]: NULL parameter or array length less than PROPERTY_VALUE_MAX\n",
158 __func__, __LINE__);
159 }
160 }
161
162 /*The character array passed to this function should have length
163 of atleast PROPERTY_VALUE_MAX*/
loc_get_platform_name(char * platform_name,int array_length)164 void loc_get_platform_name(char *platform_name, int array_length)
165 {
166 if(platform_name && (array_length >= PROPERTY_VALUE_MAX)) {
167 property_get("ro.board.platform", platform_name, "");
168 LOC_LOGD("%s:%d]: Target name: %s\n", __func__, __LINE__, platform_name);
169 }
170 else {
171 LOC_LOGE("%s:%d]: Null parameter or array length less than PROPERTY_VALUE_MAX\n",
172 __func__, __LINE__);
173 }
174 }
175
loc_get_target(void)176 unsigned int loc_get_target(void)
177 {
178 if (gTarget != (unsigned int)-1)
179 return gTarget;
180
181 static const char hw_platform[] = "/sys/devices/soc0/hw_platform";
182 static const char id[] = "/sys/devices/soc0/soc_id";
183 static const char hw_platform_dep[] =
184 "/sys/devices/system/soc/soc0/hw_platform";
185 static const char id_dep[] = "/sys/devices/system/soc/soc0/id";
186 static const char mdm[] = "/dev/mdm"; // No such file or directory
187
188 char rd_hw_platform[LINE_LEN];
189 char rd_id[LINE_LEN];
190 char rd_mdm[LINE_LEN];
191 char baseband[LINE_LEN];
192
193 if (is_qca1530()) {
194 gTarget = TARGET_QCA1530;
195 goto detected;
196 }
197
198 loc_get_target_baseband(baseband, sizeof(baseband));
199
200 if (!access(hw_platform, F_OK)) {
201 read_a_line(hw_platform, rd_hw_platform, LINE_LEN);
202 } else {
203 read_a_line(hw_platform_dep, rd_hw_platform, LINE_LEN);
204 }
205 if (!access(id, F_OK)) {
206 read_a_line(id, rd_id, LINE_LEN);
207 } else {
208 read_a_line(id_dep, rd_id, LINE_LEN);
209 }
210
211 if( !memcmp(baseband, STR_APQ, LENGTH(STR_APQ)) ){
212 if( !memcmp(rd_id, MPQ8064_ID_1, LENGTH(MPQ8064_ID_1))
213 && IS_STR_END(rd_id[LENGTH(MPQ8064_ID_1)]) )
214 gTarget = TARGET_MPQ;
215 else
216 gTarget = TARGET_APQ_SA;
217 }
218 else {
219 if( (!memcmp(rd_hw_platform, STR_LIQUID, LENGTH(STR_LIQUID))
220 && IS_STR_END(rd_hw_platform[LENGTH(STR_LIQUID)])) ||
221 (!memcmp(rd_hw_platform, STR_SURF, LENGTH(STR_SURF))
222 && IS_STR_END(rd_hw_platform[LENGTH(STR_SURF)])) ||
223 (!memcmp(rd_hw_platform, STR_MTP, LENGTH(STR_MTP))
224 && IS_STR_END(rd_hw_platform[LENGTH(STR_MTP)]))) {
225
226 if (!read_a_line( mdm, rd_mdm, LINE_LEN))
227 gTarget = TARGET_MDM;
228 }
229 else if( (!memcmp(rd_id, MSM8930_ID_1, LENGTH(MSM8930_ID_1))
230 && IS_STR_END(rd_id[LENGTH(MSM8930_ID_1)])) ||
231 (!memcmp(rd_id, MSM8930_ID_2, LENGTH(MSM8930_ID_2))
232 && IS_STR_END(rd_id[LENGTH(MSM8930_ID_2)])) )
233 gTarget = TARGET_MSM_NO_SSC;
234 else
235 gTarget = TARGET_UNKNOWN;
236 }
237
238 detected:
239 LOC_LOGD("HAL: %s returned %d", __FUNCTION__, gTarget);
240 return gTarget;
241 }
242