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sanders: Switch to common thermal HAL

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Change-Id: Ie148ed0d60c6e9e2291175d4dc52ba20b1c6efe5
Signed-off-by: ashwatthama <sai404142@gmail.com>
This commit is contained in:
kubersharma001
2019-10-19 19:52:21 +02:00
committed by ArmSM
parent e9d761d5e0
commit ebb9399e30
3 changed files with 0 additions and 410 deletions
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30
thermal/Android.mk
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# Copyright (C) 2015 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := thermal.$(TARGET_BOARD_PLATFORM)
LOCAL_MODULE_RELATIVE_PATH := hw
LOCAL_PROPRIETARY_MODULE := true
LOCAL_SRC_FILES := thermal.c
LOCAL_SRC_FILES += thermal-8953.c
LOCAL_SHARED_LIBRARIES := liblog libcutils
LOCAL_MODULE_TAGS := optional
LOCAL_CFLAGS := -Wno-unused-parameter
include $(BUILD_SHARED_LIBRARY)

193
thermal/thermal-8953.c
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@@ -1,193 +0,0 @@
/*
* Copyright (c) 2017, The Linux Foundation. All rights reserved.
* Not a contribution
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <ctype.h>
#include <errno.h>
#include <inttypes.h>
#include <stdlib.h>
#include <string.h>
#define LOG_TAG "ThermalHAL-8998"
#include <utils/Log.h>
#include <hardware/hardware.h>
#include <hardware/thermal.h>
#define MAX_LENGTH 50
#define TEMPERATURE_FILE_FORMAT "/sys/class/thermal/thermal_zone%d/temp"
#define BATTERY_SENSOR_NUM 0
#define GPU_SENSOR_NUM 17
#define SKIN_SENSOR_NUM 5
const int CPU_SENSORS[] = {8, 9, 10, 11, 12, 13, 14,15};
#define CPU_NUM (sizeof(CPU_SENSORS) / sizeof(int))
// Sum of CPU_NUM + 3 for GPU, BATTERY, and SKIN.
#define TEMPERATURE_NUM (CPU_NUM + 3)
//therm-reset-temp
#define CPU_SHUTDOWN_THRESHOLD 115
//limit-temp
#define CPU_THROTTLING_THRESHOLD 60
#define BATTERY_SHUTDOWN_THRESHOLD 60
//must match thermal-engine.conf
#define SKIN_THROTTLING_THRESHOLD 44
#define SKIN_SHUTDOWN_THRESHOLD 70
#define VR_THROTTLED_BELOW_MIN 58
#define GPU_LABEL "GPU"
#define BATTERY_LABEL "battery"
#define SKIN_LABEL "skin"
const char *CPU_LABEL[] = {"CPU0", "CPU1", "CPU2", "CPU3", "CPU4", "CPU5", "CPU6", "CPU7"};
const char *get_cpu_label(unsigned int cpu_num) {
if(cpu_num >= CPU_NUM)
return NULL;
return CPU_LABEL[cpu_num];
}
size_t get_num_cpus() {
return CPU_NUM;
}
/**
* Reads device temperature.
*
* @param sensor_num Number of sensor file with temperature.
* @param type Device temperature type.
* @param name Device temperature name.
* @param mult Multiplier used to translate temperature to Celsius.
* @param throttling_threshold Throttling threshold for the temperature.
* @param shutdown_threshold Shutdown threshold for the temperature.
* @param out Pointer to temperature_t structure that will be filled with current
* values.
*
* @return 0 on success or negative value -errno on error.
*/
static ssize_t read_temperature(int sensor_num, int type, const char *name, float mult,
float throttling_threshold, float shutdown_threshold, float vr_throttling_threshold,
temperature_t *out)
{
ALOGD("Entering %s",__func__);
FILE *file;
char file_name[MAX_LENGTH];
float temp;
snprintf(file_name, sizeof(file_name), TEMPERATURE_FILE_FORMAT, sensor_num);
file = fopen(file_name, "r");
if (file == NULL) {
ALOGE("%s: failed to open: %s", __func__, strerror(errno));
return -errno;
}
if (1 != fscanf(file, "%f", &temp)) {
fclose(file);
ALOGE("%s: failed to read a float: %s", __func__, strerror(errno));
return errno ? -errno : -EIO;
}
fclose(file);
(*out) = (temperature_t) {
.type = type,
.name = name,
.current_value = temp * mult,
.throttling_threshold = throttling_threshold,
.shutdown_threshold = shutdown_threshold,
.vr_throttling_threshold = vr_throttling_threshold
};
return 0;
}
static ssize_t get_cpu_temperatures(temperature_t *list, size_t size)
{
ALOGD("Entering %s",__func__);
size_t cpu;
for (cpu = 0; cpu < CPU_NUM; cpu++) {
if (cpu >= size) {
break;
}
// tsens_tz_sensor[4,6,9,11]: temperature in decidegrees Celsius.
ssize_t result = read_temperature(CPU_SENSORS[cpu], DEVICE_TEMPERATURE_CPU, CPU_LABEL[cpu],
0.1, CPU_THROTTLING_THRESHOLD, CPU_SHUTDOWN_THRESHOLD, UNKNOWN_TEMPERATURE,
&list[cpu]);
if (result != 0) {
return result;
}
}
return cpu;
}
ssize_t get_temperatures(thermal_module_t *module, temperature_t *list, size_t size) {
ALOGD("Entering %s",__func__);
ssize_t result = 0;
size_t current_index = 0;
if (list == NULL) {
return TEMPERATURE_NUM;
}
result = get_cpu_temperatures(list, size);
if (result < 0) {
return result;
}
current_index += result;
// GPU temperature.
if (current_index < size) {
// tsens_tz_sensor14: temperature in decidegrees Celsius.
result = read_temperature(GPU_SENSOR_NUM, DEVICE_TEMPERATURE_GPU, GPU_LABEL, 0.1,
UNKNOWN_TEMPERATURE, UNKNOWN_TEMPERATURE, UNKNOWN_TEMPERATURE,
&list[current_index]);
if (result < 0) {
return result;
}
current_index++;
}
// Battery temperature.
if (current_index < size) {
// tsens_tz_sensor29: battery: temperature in millidegrees Celsius.
result = read_temperature(BATTERY_SENSOR_NUM, DEVICE_TEMPERATURE_BATTERY, BATTERY_LABEL,
0.001, UNKNOWN_TEMPERATURE, BATTERY_SHUTDOWN_THRESHOLD, UNKNOWN_TEMPERATURE,
&list[current_index]);
if (result < 0) {
return result;
}
current_index++;
}
// Skin temperature.
if (current_index < size) {
// tsens_tz_sensor24: temperature in Celsius.
result = read_temperature(SKIN_SENSOR_NUM, DEVICE_TEMPERATURE_SKIN, SKIN_LABEL, 1.,
SKIN_THROTTLING_THRESHOLD, SKIN_SHUTDOWN_THRESHOLD, VR_THROTTLED_BELOW_MIN,
&list[current_index]);
if (result < 0) {
return result;
}
current_index++;
}
return TEMPERATURE_NUM;
}

187
thermal/thermal.c
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/*
* Copyright (c) 2017, The Linux Foundation. All rights reserved.
* Not a contribution
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <ctype.h>
#include <errno.h>
#include <inttypes.h>
#include <stdlib.h>
#include <string.h>
#define LOG_TAG "ThermalHAL"
#include <utils/Log.h>
#include <hardware/hardware.h>
#include <hardware/thermal.h>
#define MAX_LENGTH 50
#define CPU_USAGE_FILE "/proc/stat"
#define CPU_ONLINE_FILE_FORMAT "/sys/devices/system/cpu/cpu%d/online"
#define CPU_PRESENT_FILE "/sys/devices/system/cpu/present"
const char * __attribute__ ((weak)) get_cpu_label(unsigned int cpu_num) {
ALOGD("Entering %s",__func__);
static const char * cpu_label = "cpu";
return cpu_label;
}
size_t __attribute__ ((weak)) get_num_cpus() {
ALOGD("Entering %s",__func__);
FILE *file;
char *line = NULL;
size_t len = 0;
static size_t cpus = 0;
ssize_t read;
if(cpus) return cpus;
file = fopen(CPU_PRESENT_FILE, "r");
if (file == NULL) {
ALOGE("%s: failed to open: %s", __func__, strerror(errno));
return 0;
}
if ((read = getline(&line, &len, file)) != -1) {
if (strnlen(line, read) < 3 || strncmp(line, "0-", 2) != 0 || !isdigit(line[2]))
ALOGE("%s: Incorrect cpu present file format", __func__);
else
cpus = atoi(&line[2]) + 1;
free(line);
}
else
ALOGE("%s: failed to read cpu present file: %s", __func__, strerror(errno));
fclose(file);
return cpus;
}
ssize_t __attribute__ ((weak)) get_temperatures(thermal_module_t *module, temperature_t *list, size_t size) {
ALOGD("Entering %s",__func__);
return 0;
}
static ssize_t get_cpu_usages(thermal_module_t *module, cpu_usage_t *list) {
ALOGD("Entering %s",__func__);
int vals, cpu_num, online;
ssize_t read;
uint64_t user, nice, system, idle, active, total;
char *line = NULL;
size_t len = 0;
size_t size = 0;
size_t cpus = 0;
char file_name[MAX_LENGTH];
FILE *file;
FILE *cpu_file;
cpus = get_num_cpus();
if (!cpus)
return errno ? -errno : -EIO;
if (list == NULL)
return cpus;
file = fopen(CPU_USAGE_FILE, "r");
if (file == NULL) {
ALOGE("%s: failed to open: %s", __func__, strerror(errno));
return -errno;
}
while ((read = getline(&line, &len, file)) != -1) {
if (strnlen(line, read) < 4 || strncmp(line, "cpu", 3) != 0 || !isdigit(line[3])) {
free(line);
line = NULL;
len = 0;
continue;
}
vals = sscanf(line, "cpu%d %" SCNu64 " %" SCNu64 " %" SCNu64 " %" SCNu64, &cpu_num, &user,
&nice, &system, &idle);
free(line);
line = NULL;
len = 0;
if (vals != 5 || size == cpus) {
if (vals != 5) {
ALOGE("%s: failed to read CPU information from file: %s", __func__,
strerror(errno));
} else {
ALOGE("/proc/stat file has incorrect format.");
}
fclose(file);
return errno ? -errno : -EIO;
}
active = user + nice + system;
total = active + idle;
// Read online CPU information.
snprintf(file_name, MAX_LENGTH, CPU_ONLINE_FILE_FORMAT, cpu_num);
cpu_file = fopen(file_name, "r");
online = 0;
if (cpu_file == NULL) {
ALOGE("%s: failed to open file: %s (%s)", __func__, file_name, strerror(errno));
fclose(file);
return -errno;
}
if (1 != fscanf(cpu_file, "%d", &online)) {
ALOGE("%s: failed to read CPU online information from file: %s (%s)", __func__,
file_name, strerror(errno));
fclose(file);
fclose(cpu_file);
return errno ? -errno : -EIO;
}
fclose(cpu_file);
list[size] = (cpu_usage_t) {
.name = get_cpu_label(size),
.active = active,
.total = total,
.is_online = online
};
size++;
}
fclose(file);
if (size != cpus) {
ALOGE("/proc/stat file has incorrect format.");
return -EIO;
}
return cpus;
}
static struct hw_module_methods_t thermal_module_methods = {
.open = NULL,
};
thermal_module_t HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = THERMAL_HARDWARE_MODULE_API_VERSION_0_1,
.hal_api_version = HARDWARE_HAL_API_VERSION,
.id = THERMAL_HARDWARE_MODULE_ID,
.name = "Thermal HAL",
.author = "The Android Open Source Project",
.methods = &thermal_module_methods,
},
.getTemperatures = get_temperatures,
.getCpuUsages = get_cpu_usages,
};