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1 /* Copyright (c) 2018, 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 #include <hardware/thermal.h>
30 #define ARRAY_SIZE(x) (int)(sizeof(x)/sizeof(x[0]))
31 
32 enum therm_msm_id {
33     THERM_MSM_UNKNOWN = 0,
34     THERM_MSM_8953,
35     THERM_SDM_660,
36     THERM_SDM_630,
37     THERM_SDM_710,
38     THERM_QCS_605,
39     THERM_SDM_632,
40     THERM_SDM_439,
41     THERM_MSMNILE,
42     THERM_TALOS,
43     THERM_SDMMAGPIE,
44     THERM_MSM_8917,
45     THERM_TRINKET,
46     THERM_KONA,
47 };
48 
49 struct target_therm_cfg {
50     enum temperature_type type;
51     char **sensor_list;
52     uint8_t sens_cnt;
53     char *label;
54     float mult;
55     int throt_thresh;
56     int shutdwn_thresh;
57     int vr_thresh;
58 };
59 
60 struct vendor_temperature {
61     int tzn;
62     float mult;
63     temperature_t t;
64 };
65 
66 
67 int read_line_from_file(const char *path, char *buf, size_t count);
68 size_t get_num_cpus();
69 const char *get_cpu_label(unsigned int cpu_num);
70 int thermal_zone_init(struct target_therm_cfg *v_sen_t, int cfg_cnt);
71 ssize_t get_temperature_for_all(temperature_t *list, size_t size);
72