rt-thread/bsp/es32f0654/drivers/drv_pm.c

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2019-04-02 15:24:50 +08:00
/*
* Copyright (C) 2018 Shanghai Eastsoft Microelectronics Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-04-01 wangyq the first version
*/
#include <rthw.h>
#include <rtdevice.h>
#include "board.h"
#include "drv_pm.h"
#include <ald_pmu.h>
#ifdef RT_USING_PM
static void _drv_pm_enter(struct rt_pm *pm)
{
rt_uint32_t mode;
mode = pm->current_mode;
switch (mode)
{
case PM_RUN_MODE_NORMAL:
break;
case PM_SLEEP_MODE_SLEEP:
__WFI();
break;
case PM_SLEEP_MODE_TIMER:
pmu_stop2_enter();
break;
case PM_SLEEP_MODE_SHUTDOWN:
pmu_standby_enter(PMU_STANDBY_PORT_NONE);
break;
default:
RT_ASSERT(0);
break;
}
}
static void _drv_pm_exit(struct rt_pm *pm)
{
rt_uint32_t mode;
RT_ASSERT(pm != RT_NULL);
mode = pm->current_mode;
switch (mode)
{
case PM_RUN_MODE_NORMAL:
break;
case PM_SLEEP_MODE_SLEEP:
break;
case PM_SLEEP_MODE_TIMER:
break;
case PM_SLEEP_MODE_SHUTDOWN:
break;
default:
RT_ASSERT(0);
break;
}
}
#if PM_RUN_MODE_COUNT > 1
static void _drv_pm_frequency_change(struct rt_pm *pm, rt_uint32_t frequency)
{
return;
}
#endif
static int drv_hw_pm_init(void)
{
static const struct rt_pm_ops _ops =
{
_drv_pm_enter,
_drv_pm_exit,
#if PM_RUN_MODE_COUNT > 1
_drv_pm_frequency_change,
#endif
RT_NULL,
RT_NULL,
RT_NULL
};
rt_uint8_t timer_mask;
/* initialize timer mask */
timer_mask = 1UL << PM_SLEEP_MODE_TIMER;
/* initialize system pm module */
rt_system_pm_init(&_ops, timer_mask, RT_NULL);
return 0;
}
INIT_BOARD_EXPORT(drv_hw_pm_init);
#endif