94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/*
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* Copyright (c) 2016, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of the Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL CORPORATION OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "qm_rtc.h"
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#include "clk.h"
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#include "power_states.h"
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static void (*callback[QM_RTC_NUM])(void *data);
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static void *callback_data[QM_RTC_NUM];
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QM_ISR_DECLARE(qm_rtc_0_isr)
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{
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/* Disable RTC interrupt */
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QM_RTC[QM_RTC_0].rtc_ccr &= ~QM_RTC_CCR_INTERRUPT_ENABLE;
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#if (HAS_SOC_CONTEXT_RETENTION)
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if (QM_SCSS_GP->gps0 & QM_GPS0_POWER_STATES_MASK) {
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power_soc_restore();
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}
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#endif
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if (callback[QM_RTC_0]) {
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(callback[QM_RTC_0])(callback_data[QM_RTC_0]);
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}
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/* clear interrupt */
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QM_RTC[QM_RTC_0].rtc_eoi;
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QM_ISR_EOI(QM_IRQ_RTC_0_INT_VECTOR);
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}
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int qm_rtc_set_config(const qm_rtc_t rtc, const qm_rtc_config_t *const cfg)
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{
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QM_CHECK(rtc < QM_RTC_NUM, -EINVAL);
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QM_CHECK(cfg != NULL, -EINVAL);
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/* set rtc divider */
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clk_rtc_set_div(cfg->prescaler);
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QM_RTC[rtc].rtc_clr = cfg->init_val;
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/* clear any pending interrupts */
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QM_RTC[rtc].rtc_eoi;
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callback[rtc] = cfg->callback;
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callback_data[rtc] = cfg->callback_data;
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if (cfg->alarm_en) {
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qm_rtc_set_alarm(rtc, cfg->alarm_val);
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} else {
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/* Disable RTC interrupt */
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QM_RTC[rtc].rtc_ccr &= ~QM_RTC_CCR_INTERRUPT_ENABLE;
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}
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return 0;
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}
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int qm_rtc_set_alarm(const qm_rtc_t rtc, const uint32_t alarm_val)
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{
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QM_CHECK(rtc < QM_RTC_NUM, -EINVAL);
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/* Enable RTC interrupt */
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QM_RTC[rtc].rtc_ccr |= QM_RTC_CCR_INTERRUPT_ENABLE;
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/* set alarm val */
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QM_RTC[rtc].rtc_cmr = alarm_val;
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return 0;
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}
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