66 lines
1.2 KiB
C
66 lines
1.2 KiB
C
/*
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* Copyright (c) 2016 Intel Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <errno.h>
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#include <device.h>
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#include <init.h>
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#include <counter.h>
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#include "qm_aon_counters.h"
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static int aon_counter_qmsi_start(struct device *dev)
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{
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if (qm_aonc_enable(QM_AONC_0)) {
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return -EIO;
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}
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return 0;
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}
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static int aon_counter_qmsi_stop(struct device *dev)
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{
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qm_aonc_disable(QM_AONC_0);
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return 0;
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}
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static u32_t aon_counter_qmsi_read(struct device *dev)
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{
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u32_t value;
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qm_aonc_get_value(QM_AONC_0, (uint32_t *)&value);
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return value;
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}
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static int aon_counter_qmsi_set_top(struct device *dev,
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u32_t ticks,
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counter_top_callback_t callback,
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void *user_data)
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{
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return -ENODEV;
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}
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static const struct counter_driver_api aon_counter_qmsi_api = {
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.start = aon_counter_qmsi_start,
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.stop = aon_counter_qmsi_stop,
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.read = aon_counter_qmsi_read,
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.set_top_value = aon_counter_qmsi_set_top,
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};
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static int aon_counter_init(struct device *dev)
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{
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return 0;
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}
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DEVICE_AND_API_INIT(aon_counter, CONFIG_AON_COUNTER_QMSI_DEV_NAME,
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aon_counter_init, NULL, NULL, POST_KERNEL,
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CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
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&aon_counter_qmsi_api);
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