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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <zephyr/devicetree.h>
#include <zephyr/logging/log.h>
#include "accelgyro.h"
#include "cros_cbi.h"
#include "hooks.h"
#include "motionsense_sensors.h"
#include "nissa_common.h"
LOG_MODULE_DECLARE(nissa, CONFIG_NISSA_LOG_LEVEL);
/*
* Mainboard orientation support.
*/
#define ALT_MAT SENSOR_ROT_STD_REF_NAME(DT_NODELABEL(base_rot_inverted))
#define BASE_SENSOR SENSOR_ID(DT_NODELABEL(base_accel))
#define BASE_GYRO SENSOR_ID(DT_NODELABEL(base_gyro))
static void form_factor_init(void)
{
int ret;
uint32_t val;
/*
* If the firmware config indicates
* an inverted form factor, use the alternative
* rotation matrix.
*/
ret = cros_cbi_get_fw_config(FW_BASE_INVERSION, &val);
if (ret != 0) {
LOG_ERR("Error retrieving CBI FW_CONFIG field %d",
FW_BASE_INVERSION);
return;
}
if (val == FW_BASE_INVERTED) {
LOG_INF("Switching to inverted base");
motion_sensors[BASE_SENSOR].rot_standard_ref = &ALT_MAT;
motion_sensors[BASE_GYRO].rot_standard_ref = &ALT_MAT;
}
}
DECLARE_HOOK(HOOK_INIT, form_factor_init, HOOK_PRIO_POST_I2C);
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