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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.
*/
#define DT_DRV_COMPAT cros_ec_rtc_emul
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(emul_rtc);
#include <zephyr/device.h>
#include <zephyr/drivers/emul.h>
#include <ec_commands.h>
#include <drivers/cros_rtc.h>
#include <zephyr/sys/__assert.h>
#include "flash.h"
struct cros_rtc_emul_data {
const struct device *rtc_dev;
uint32_t alarm_time;
cros_rtc_alarm_callback_t alarm_callback;
uint32_t value;
};
struct rtc_emul_cfg {
/** Pointer to run-time data */
struct cros_rtc_emul_data *data;
};
#define RTC_DEV DT_CHOSEN(zephyr_rtc_controller)
#define DRV_DATA(dev) ((struct cros_rtc_emul_data *)(dev)->data)
static int cros_rtc_emul_configure(const struct device *dev,
cros_rtc_alarm_callback_t callback)
{
struct cros_rtc_emul_data *data = DRV_DATA(dev);
if (callback == NULL) {
return -EINVAL;
}
data->alarm_callback = callback;
return EC_SUCCESS;
}
static int cros_rtc_emul_get_value(const struct device *dev, uint32_t *value)
{
struct cros_rtc_emul_data *data = DRV_DATA(dev);
*value = data->value;
return EC_SUCCESS;
}
static int cros_rtc_emul_set_value(const struct device *dev, uint32_t value)
{
struct cros_rtc_emul_data *data = DRV_DATA(dev);
data->value = value;
return EC_SUCCESS;
}
static int cros_rtc_emul_get_alarm(const struct device *dev, uint32_t *seconds,
uint32_t *microseconds)
{
struct cros_rtc_emul_data *data = DRV_DATA(dev);
*seconds = data->alarm_time;
*microseconds = 0;
return EC_SUCCESS;
}
static int cros_rtc_emul_reset_alarm(const struct device *dev)
{
struct cros_rtc_emul_data *data = DRV_DATA(dev);
data->alarm_time = 0;
return EC_SUCCESS;
}
static int cros_rtc_emul_set_alarm(const struct device *dev, uint32_t seconds,
uint32_t microseconds)
{
struct cros_rtc_emul_data *data = DRV_DATA(dev);
int ret;
ARG_UNUSED(microseconds);
ret = cros_rtc_emul_reset_alarm(dev);
if (ret < 0) {
return ret;
}
data->alarm_time = seconds;
if (ret < 0) {
return ret;
}
return EC_SUCCESS;
}
static const struct cros_rtc_driver_api emul_cros_rtc_driver_api = {
.configure = cros_rtc_emul_configure,
.get_value = cros_rtc_emul_get_value,
.set_value = cros_rtc_emul_set_value,
.get_alarm = cros_rtc_emul_get_alarm,
.set_alarm = cros_rtc_emul_set_alarm,
.reset_alarm = cros_rtc_emul_reset_alarm,
};
static int rtc_emul_init(const struct device *dev)
{
struct cros_rtc_emul_data *data = DRV_DATA(dev);
data->alarm_callback = NULL;
data->alarm_time = 0;
data->value = 0;
return EC_SUCCESS;
}
#define RTC_EMUL(n) \
static struct cros_rtc_emul_data cros_rtc_emul_data_##n = {}; \
static const struct rtc_emul_cfg rtc_emul_cfg_##n = { \
.data = &cros_rtc_emul_data_##n, \
}; \
DEVICE_DT_INST_DEFINE(n, rtc_emul_init, NULL, &cros_rtc_emul_data_##n, \
&rtc_emul_cfg_##n, PRE_KERNEL_1, \
CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, \
&emul_cros_rtc_driver_api)
DT_INST_FOREACH_STATUS_OKAY(RTC_EMUL);
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