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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 __CROS_EC_MOTIONSENSE_SENSORS_DEFS_H
#define __CROS_EC_MOTIONSENSE_SENSORS_DEFS_H
#include <zephyr/devicetree.h>
#include "common.h"
#define SENSOR_ID(id) DT_CAT(SENSOR_, id)
/* Define the SENSOR_ID if:
* DT_NODE_HAS_STATUS(id, okay) && !DT_NODE_HAS_PROP(id, alternate_for)
*/
#define SENSOR_ID_WITH_COMMA(id) \
IF_ENABLED(DT_NODE_HAS_STATUS(id, okay), \
(COND_CODE_0(DT_NODE_HAS_PROP(id, alternate_for), \
(SENSOR_ID(id), ), ())))
enum sensor_id {
#if DT_NODE_EXISTS(SENSOR_NODE)
DT_FOREACH_CHILD(SENSOR_NODE, SENSOR_ID_WITH_COMMA)
#endif
SENSOR_COUNT,
};
#undef SENSOR_ID_WITH_COMMA
/* Define the SENSOR_ID if:
* DT_NODE_HAS_STATUS(id, okay) && DT_NODE_HAS_PROP(id, alternate_for)
*/
#define SENSOR_ID_WITH_COMMA(id) \
IF_ENABLED(DT_NODE_HAS_STATUS(id, okay), \
(COND_CODE_1(DT_NODE_HAS_PROP(id, alternate_for), \
(SENSOR_ID(id), ), ())))
enum sensor_alt_id {
#if DT_NODE_EXISTS(SENSOR_ALT_NODE)
DT_FOREACH_CHILD(SENSOR_ALT_NODE, SENSOR_ID_WITH_COMMA)
#endif
SENSOR_ALT_COUNT,
};
/*
* Find the accelerometers for lid angle calculation.
*
* The angle calculation requires two accelerometers. One is on the lid
* and the other one is on the base. So we need to specify which sensor is
* on the lid and which one is on the base. We use two labels "lid_accel"
* and "base_accel".
*
* base_accel - label for the accelerometer sensor on the base.
* lid_accel - label for the accelerometer sensor on the lid.
*
* e.g) below shows BMA255 is the accelerometer on the lid and bmi260 is
* the accelerometer on the base.
*
* motionsense-sensor {
* lid_accel: lid-accel {
* compatible = "cros-ec,bma255";
* status = "okay";
* :
* :
* };
*
* base_accel: base-accel {
* compatible = "cros-ec,bmi260";
* status = "okay";
* :
* :
* };
* };
*/
#ifdef CONFIG_LID_ANGLE
#define CONFIG_LID_ANGLE_SENSOR_LID SENSOR_ID(DT_NODELABEL(lid_accel))
#define CONFIG_LID_ANGLE_SENSOR_BASE SENSOR_ID(DT_NODELABEL(base_accel))
#endif
/*
* Get the sensors running in force mode from DT and create a bit mask for it.
*
* e.g) lid accel and als_clear are in accel_force_mode. The macro below finds
* the corresponding bit for each sensor in bit mask and set it.
* motionsense-sensor-info {
* compatible = "cros-ec,motionsense-sensor-info";
*
* // list of sensors in force mode
* accel-force-mode-sensors = <&lid_accel &als_clear>;
* };
*/
#if DT_NODE_HAS_PROP(SENSOR_INFO_NODE, accel_force_mode_sensors)
#define SENSOR_IN_FORCE_MODE(i, id) \
| BIT(SENSOR_ID(DT_PHANDLE_BY_IDX(id, accel_force_mode_sensors, i)))
#define CONFIG_ACCEL_FORCE_MODE_MASK \
(0 LISTIFY(DT_PROP_LEN(SENSOR_INFO_NODE, accel_force_mode_sensors), \
SENSOR_IN_FORCE_MODE, (), SENSOR_INFO_NODE))
#endif
#endif /* __CROS_EC_MOTIONSENSE_SENSORS_DEFS_H */
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