71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/*
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* Copyright (c) 2016 Intel Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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_SCSS_AON_0) != QM_RC_OK) {
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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_SCSS_AON_0);
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return 0;
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}
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static uint32_t aon_counter_qmsi_read(void)
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{
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return qm_aonc_get_value(QM_SCSS_AON_0);
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}
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static int aon_counter_qmsi_set_alarm(struct device *dev,
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counter_callback_t callback,
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uint32_t count, void *user_data)
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{
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return -ENODEV;
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}
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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_alarm = aon_counter_qmsi_set_alarm,
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};
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static int aon_counter_init(struct device *dev)
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{
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dev->driver_api = &aon_counter_qmsi_api;
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return 0;
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}
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DEVICE_INIT(aon_counter, CONFIG_AON_COUNTER_QMSI_DEV_NAME,
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aon_counter_init, NULL, NULL, SECONDARY,
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CONFIG_KERNEL_INIT_PRIORITY_DEVICE);
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