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/* Copyright 2021 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef ZEPHYR_SHIM_INCLUDE_TEMP_SENSOR_TEMP_SENSOR_H_
#define ZEPHYR_SHIM_INCLUDE_TEMP_SENSOR_TEMP_SENSOR_H_
#include "charger/chg_rt9490.h"
#include "include/temp_sensor.h"
#include <zephyr/devicetree.h>
#ifdef CONFIG_PLATFORM_EC_TEMP_SENSOR
#define PCT2075_COMPAT nxp_pct2075
#define TMP112_COMPAT cros_ec_temp_sensor_tmp112
#define SB_TSI_COMPAT amd_sb_tsi
#define THERMISTOR_COMPAT cros_ec_temp_sensor_thermistor
#define TEMP_SENSORS_COMPAT cros_ec_temp_sensors
#define TEMP_SENSORS_NODEID DT_INST(0, TEMP_SENSORS_COMPAT)
#define TEMP_RT9490_FN(node_id, fn) \
COND_CODE_1(DT_NODE_HAS_PROP(node_id, thermistor), (fn(node_id)), ())
#define FOREACH_TEMP_SENSOR(fn) \
DT_FOREACH_STATUS_OKAY(PCT2075_COMPAT, fn) \
DT_FOREACH_STATUS_OKAY(TMP112_COMPAT, fn) \
DT_FOREACH_STATUS_OKAY_VARGS(RT9490_CHG_COMPAT, TEMP_RT9490_FN, fn) \
DT_FOREACH_STATUS_OKAY(SB_TSI_COMPAT, fn) \
DT_FOREACH_STATUS_OKAY(THERMISTOR_COMPAT, fn)
#define HAS_POWER_GOOD_PIN(node_id) DT_NODE_HAS_PROP(node_id, power_good_pin) ||
#define ANY_INST_HAS_POWER_GOOD_PIN \
(DT_FOREACH_CHILD(TEMP_SENSORS_NODEID, HAS_POWER_GOOD_PIN) 0)
/*
* Get the enum temp_sensor_id value from a child node under
* "cros-ec,temp-sensors".
*
* Example devicetree fragment:
*
* temp_charger_thermistor: charger-thermistor {
* compatible = "cros-ec,temp-sensor-thermistor";
* thermistor = <&thermistor_3V3_30K9_47K_4050B>;
* adc = <&adc_temp_charger>;
* };
*
* named-temp-sensors {
* compatible = "cros-ec,temp-sensors";
* temp_charger: charger-thermistor {
* temp_host_high = <100>;
* temp_host_halt = <105>;
* temp_host_release_high = <80>;
* sensor = <&temp_charger_thermistor>;
* };
* };
*
* Example usage to get the temperature sensor ID:
*
* TEMP_SENSOR_ID(DT_NODELABEL(temp_charger))
*
* @param node_id: node id of a child of "cros-ec,temp-sensors" node
*/
#define TEMP_SENSOR_ID(node_id) DT_CAT(TEMP_SENSOR_, node_id)
/*
* Get the enum temp_sensor_id value from a hardware device node.
*
* Example devicetree fragment:
*
* temp_charger_thermistor: charger-thermistor {
* compatible = "cros-ec,temp-sensor-thermistor";
* thermistor = <&thermistor_3V3_30K9_47K_4050B>;
* adc = <&adc_temp_charger>;
* };
*
* named-temp-sensors {
* compatible = "cros-ec,temp-sensors";
* temp_charger: charger-thermistor {
* temp_host_high = <100>;
* temp_host_halt = <105>;
* temp_host_release_high = <80>;
* sensor = <&temp_charger_thermistor>;
* };
* };
*
* Example usage to get the temperature sensor ID:
*
* TEMP_SENSOR_ID_BY_DEV(DT_NODELABEL(temp_charger_thermistor))
*
* which equals:
*
* TEMP_SENSOR_ID(DT_NODELABEL(temp_charger))
*
* @param node_id: node id of a hardware device node
*/
#define TEMP_SENSOR_ID_BY_DEV(node_id) DT_CAT(TEMP_SENSOR_DEV, node_id)
#define TEMP_SENSOR_ID_DEV(named_id) \
TEMP_SENSOR_ID_BY_DEV(DT_PHANDLE(named_id, sensor)) = \
TEMP_SENSOR_ID(named_id)
enum temp_sensor_id {
DT_FOREACH_CHILD_SEP(TEMP_SENSORS_NODEID, TEMP_SENSOR_ID, (, )),
DT_FOREACH_CHILD_SEP(TEMP_SENSORS_NODEID, TEMP_SENSOR_ID_DEV, (, )),
TEMP_SENSOR_COUNT,
};
/* PCT2075 access array */
/*
* Get the PCT2075 sensor ID from a hardware device node.
*
* @param node_id: node id of a hardware PCT2075 sensor node
*/
#define PCT2075_SENSOR_ID(node_id) DT_CAT(PCT2075_, node_id)
#define PCT2075_SENSOR_ID_WITH_COMMA(node_id) PCT2075_SENSOR_ID(node_id),
enum pct2075_sensor {
DT_FOREACH_STATUS_OKAY(PCT2075_COMPAT, PCT2075_SENSOR_ID_WITH_COMMA)
PCT2075_COUNT,
};
#undef PCT2075_SENSOR_ID_WITH_COMMA
/* TMP112 access array */
/*
* Get the TMP112 sensor ID from a hardware device node.
*
* @param node_id: node id of a hardware TMP112 sensor node
*/
#define TMP112_SENSOR_ID(node_id) DT_CAT(TMP112_, node_id)
#define TMP112_SENSOR_ID_WITH_COMMA(node_id) TMP112_SENSOR_ID(node_id),
enum tmp112_sensor {
DT_FOREACH_STATUS_OKAY(TMP112_COMPAT, TMP112_SENSOR_ID_WITH_COMMA)
TMP112_COUNT,
};
#undef TMP112_SENSOR_ID_WITH_COMMA
struct zephyr_temp_sensor {
/* Read sensor value in K into temp_ptr; return non-zero if error. */
int (*read)(const struct temp_sensor_t *sensor, int *temp_ptr);
void (*update_temperature)(int idx);
const struct thermistor_info *thermistor;
#if ANY_INST_HAS_POWER_GOOD_PIN
const struct device *power_good_dev;
gpio_pin_t power_good_pin;
#endif /* ANY_INST_HAS_POWER_GOOD_PIN */
};
#endif /* CONFIG_PLATFORM_EC_TEMP_SENSOR */
#endif /* ZEPHYR_SHIM_INCLUDE_TEMP_SENSOR_TEMP_SENSOR_H_ */
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