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#include <glib.h>
#include <stdlib.h>
#include <string.h>
#include "zenmonitor.h"
#include "zenpower.h"
GSList *zp_sensors = NULL;
static int nodes = 0;
typedef struct
{
const gchar *label;
const gchar *hint;
const gchar *file;
const gchar *printf_format;
const double adjust_ratio;
} HwmonSensorType;
typedef struct
{
float current_value;
float min;
float max;
HwmonSensorType *type;
gchar *hwmon_dir;
int node;
} HwmonSensor;
static HwmonSensorType hwmon_stype[] = {
{"CPU Temperature (tDie)", "Reported CPU Temperature - offset", "temp1_input", " %6.2f°C", 1000.0},
{"CPU Temperature (tCtl)", "Reported CPU Temperature", "temp2_input", " %6.2f°C", 1000.0},
{"CCD1 Temperature", "Core Complex Die 1 Temperature", "temp3_input", " %6.2f°C", 1000.0},
{"CCD2 Temperature", "Core Complex Die 2 Temperature", "temp4_input", " %6.2f°C", 1000.0},
{"CCD3 Temperature", "Core Complex Die 3 Temperature", "temp5_input", " %6.2f°C", 1000.0},
{"CCD4 Temperature", "Core Complex Die 4 Temperature", "temp6_input", " %6.2f°C", 1000.0},
{"CCD5 Temperature", "Core Complex Die 5 Temperature", "temp7_input", " %6.2f°C", 1000.0},
{"CCD6 Temperature", "Core Complex Die 6 Temperature", "temp8_input", " %6.2f°C", 1000.0},
{"CCD7 Temperature", "Core Complex Die 7 Temperature", "temp9_input", " %6.2f°C", 1000.0},
{"CCD8 Temperature", "Core Complex Die 8 Temperature", "temp10_input", " %6.2f°C", 1000.0},
{"CPU Core Voltage (SVI2)", "Core Voltage reported by SVI2 telemetry", "in1_input", " %8.3f V", 1000.0},
{"SOC Voltage (SVI2)", "SOC Voltage reported by SVI2 telemetry", "in2_input", " %8.3f V", 1000.0},
{"CPU Core Current (SVI2)", "Core Current reported by SVI2 telemetry\n"
"Note: May not be accurate on some systems", "curr1_input", " %8.3f A", 1000.0},
{"SOC Current (SVI2)", "SOC Current reported by SVI2 telemetry\n"
"Note: May not be accurate on some systems", "curr2_input", " %8.3f A", 1000.0},
{"CPU Core Power (SVI2)", "Core Voltage * Current\n"
"Note: May not be accurate on some systems", "power1_input", " %8.3f W", 1000000.0},
{"SOC Power (SVI2)", "Core Voltage * Current\n"
"Note: May not be accurate on some systems", "power2_input", " %8.3f W", 1000000.0},
{0, NULL}
};
static gboolean hwmon_file_exists(const gchar *dir, const gchar *file) {
gchar *full_path;
gboolean result;
full_path = g_strdup_printf("/sys/class/hwmon/%s/%s", dir, file);
result = g_file_test(full_path, G_FILE_TEST_EXISTS);
g_free(full_path);
return result;
}
static gboolean read_raw_hwmon_value(const gchar *dir, const gchar *file, gchar **result) {
gchar *full_path;
gboolean file_result;
full_path = g_strdup_printf("/sys/class/hwmon/%s/%s", dir, file);
file_result = g_file_get_contents(full_path, result, NULL, NULL);
g_free(full_path);
return file_result;
}
static HwmonSensor *hwmon_sensor_new(HwmonSensorType *type, const gchar *dir, gint node) {
HwmonSensor *s;
s = g_new0(HwmonSensor, 1);
s->min = 999.0;
s->type = type;
s->hwmon_dir = g_strdup(dir);
s->node = node;
return s;
}
gboolean zenpower_init() {
GDir *hwmon;
const gchar *entry;
gchar *name = NULL;
HwmonSensorType *type;
hwmon = g_dir_open("/sys/class/hwmon", 0, NULL);
if (!hwmon)
return FALSE;
while ((entry = g_dir_read_name(hwmon))) {
read_raw_hwmon_value(entry, "name", &name);
if (strcmp(g_strchomp(name), "zenpower") == 0) {
for (type = hwmon_stype; type->label; type++) {
if (hwmon_file_exists(entry, type->file)) {
zp_sensors = g_slist_append(zp_sensors, hwmon_sensor_new(type, entry, nodes));
}
}
nodes++;
}
g_free(name);
}
if (zp_sensors == NULL)
return FALSE;
return TRUE;
}
void zenpower_update() {
gchar *tmp = NULL;
GSList *node;
HwmonSensor *sensor;
node = zp_sensors;
while(node) {
sensor = (HwmonSensor *)node->data;
if (read_raw_hwmon_value(sensor->hwmon_dir, sensor->type->file, &tmp)){
sensor->current_value = atof(tmp) / sensor->type->adjust_ratio;
if (sensor->current_value < sensor->min)
sensor->min = sensor->current_value;
if (sensor->current_value > sensor->max)
sensor->max = sensor->current_value;
g_free(tmp);
}
else{
sensor->current_value = ERROR_VALUE;
}
node = node->next;
}
}
void zenpower_clear_minmax() {
HwmonSensor *sensor;
GSList *node;
node = zp_sensors;
while(node) {
sensor = (HwmonSensor *)node->data;
sensor->min = sensor->current_value;
sensor->max = sensor->current_value;
node = node->next;
}
}
GSList* zenpower_get_sensors() {
GSList *list = NULL;
HwmonSensor *sensor;
GSList *node;
SensorInit *data;
node = zp_sensors;
while(node) {
sensor = (HwmonSensor *)node->data;
data = sensor_init_new();
if (nodes > 1){
data->label = g_strdup_printf("Node %d - %s", sensor->node, sensor->type->label);
}
else{
data->label = g_strdup(sensor->type->label);
}
data->hint = g_strdup_printf("%s\nSource: zenpower %s/%s", sensor->type->hint, sensor->hwmon_dir, sensor->type->file);
data->value = &sensor->current_value;
data->min = &sensor->min;
data->max = &sensor->max;
data->printf_format = sensor->type->printf_format;
list = g_slist_append(list, data);
node = node->next;
}
return list;
}
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