zephyr/drivers/counter/counter_qmsi_aon.c

64 lines
1.1 KiB
C

/*
* Copyright (c) 2016 Intel Corporation.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <errno.h>
#include <device.h>
#include <init.h>
#include <counter.h>
#include "qm_aon_counters.h"
static int aon_counter_qmsi_start(struct device *dev)
{
if (qm_aonc_enable(QM_AONC_0)) {
return -EIO;
}
return 0;
}
static int aon_counter_qmsi_stop(struct device *dev)
{
qm_aonc_disable(QM_AONC_0);
return 0;
}
static u32_t aon_counter_qmsi_read(struct device *dev)
{
u32_t value;
qm_aonc_get_value(QM_AONC_0, &value);
return value;
}
static int aon_counter_qmsi_set_alarm(struct device *dev,
counter_callback_t callback,
u32_t count, void *user_data)
{
return -ENODEV;
}
static const struct counter_driver_api aon_counter_qmsi_api = {
.start = aon_counter_qmsi_start,
.stop = aon_counter_qmsi_stop,
.read = aon_counter_qmsi_read,
.set_alarm = aon_counter_qmsi_set_alarm,
};
static int aon_counter_init(struct device *dev)
{
return 0;
}
DEVICE_AND_API_INIT(aon_counter, CONFIG_AON_COUNTER_QMSI_DEV_NAME,
aon_counter_init, NULL, NULL, POST_KERNEL,
CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
&aon_counter_qmsi_api);