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/* Copyright 2021 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "temp_sensor.h"
#include "temp_sensor/temp_sensor.h"
#include "adc.h"
#include "temp_sensor/thermistor.h"
#if DT_NODE_EXISTS(DT_PATH(named_temp_sensors))
static int thermistor_get_temp(const struct temp_sensor_t *sensor,
int *temp_ptr)
{
return thermistor_get_temperature(sensor->idx, temp_ptr,
sensor->thermistor);
}
#define GET_THERMISTOR_DATUM(node_sample_id) \
[DT_PROP(node_sample_id, \
sample_index)] = { .mv = DT_PROP(node_sample_id, milivolt), \
.temp = DT_PROP(node_sample_id, temp) },
#define DEFINE_THERMISTOR_DATA(node_id) \
static const struct thermistor_data_pair DT_CAT( \
node_id, _thermistor_data)[] = { \
DT_FOREACH_CHILD(node_id, GET_THERMISTOR_DATUM) \
};
#define GET_THERMISTOR_INFO(node_id) \
(&(struct thermistor_info){ \
.scaling_factor = DT_PROP(node_id, scaling_factor), \
.num_pairs = DT_PROP(node_id, num_pairs), \
.data = DT_CAT(node_id, _thermistor_data), \
})
#define TEMP_THERMISTOR(node_id) \
[ZSHIM_TEMP_SENSOR_ID(node_id)] = { \
.name = DT_LABEL(node_id), \
.read = &thermistor_get_temp, \
.idx = ZSHIM_ADC_ID(DT_PHANDLE(node_id, adc)), \
.type = TEMP_SENSOR_TYPE_BOARD, \
.thermistor = \
GET_THERMISTOR_INFO(DT_PHANDLE(node_id, thermistor)), \
},
DT_FOREACH_STATUS_OKAY(cros_ec_thermistor, DEFINE_THERMISTOR_DATA)
const struct temp_sensor_t temp_sensors[] = {
DT_FOREACH_STATUS_OKAY(cros_ec_temp_sensor, TEMP_THERMISTOR)
};
#endif /* named_temp_sensors */
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