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