111 lines
1.8 KiB
C
111 lines
1.8 KiB
C
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/*
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* Copyright (C) 2018 Shanghai Eastsoft Microelectronics Co., Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2019-04-08 wangyq the first version
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*/
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#include <rthw.h>
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#include <rtdevice.h>
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#include "board.h"
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#include "drv_pm.h"
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#include <ald_pmu.h>
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#ifdef RT_USING_PM
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static void _drv_pm_enter(struct rt_pm *pm)
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{
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rt_uint32_t mode;
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mode = pm->current_mode;
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switch (mode)
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{
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case PM_RUN_MODE_NORMAL:
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break;
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case PM_SLEEP_MODE_SLEEP:
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__WFI();
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break;
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case PM_SLEEP_MODE_TIMER:
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pmu_stop2_enter();
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break;
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case PM_SLEEP_MODE_SHUTDOWN:
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pmu_standby_enter(PMU_STANDBY_PORT_NONE);
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break;
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default:
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RT_ASSERT(0);
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break;
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}
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}
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static void _drv_pm_exit(struct rt_pm *pm)
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{
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rt_uint32_t mode;
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RT_ASSERT(pm != RT_NULL);
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mode = pm->current_mode;
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switch (mode)
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{
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case PM_RUN_MODE_NORMAL:
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break;
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case PM_SLEEP_MODE_SLEEP:
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break;
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case PM_SLEEP_MODE_TIMER:
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break;
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case PM_SLEEP_MODE_SHUTDOWN:
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break;
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default:
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RT_ASSERT(0);
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break;
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}
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}
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#if PM_RUN_MODE_COUNT > 1
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static void _drv_pm_frequency_change(struct rt_pm *pm, rt_uint32_t frequency)
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{
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return;
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}
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#endif
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static int drv_hw_pm_init(void)
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{
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static const struct rt_pm_ops _ops =
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{
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_drv_pm_enter,
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_drv_pm_exit,
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#if PM_RUN_MODE_COUNT > 1
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_drv_pm_frequency_change,
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#endif
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RT_NULL,
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RT_NULL,
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RT_NULL
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};
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rt_uint8_t timer_mask;
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/* initialize timer mask */
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timer_mask = 1UL << PM_SLEEP_MODE_TIMER;
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/* initialize system pm module */
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rt_system_pm_init(&_ops, timer_mask, RT_NULL);
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return 0;
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}
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INIT_BOARD_EXPORT(drv_hw_pm_init);
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#endif
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