118 lines
3.4 KiB
C
118 lines
3.4 KiB
C
/****************************************************************************
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* drivers/power/pm/pm_autoupdate.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <assert.h>
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#include <stdint.h>
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#include <nuttx/arch.h>
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#include <nuttx/irq.h>
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#include <nuttx/power/pm.h>
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#include "pm.h"
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#if defined(CONFIG_PM)
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static void pm_auto_updatestate_cb(FAR void *arg)
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{
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int domain = (uintptr_t)arg;
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enum pm_state_e newstate;
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newstate = pm_checkstate(domain);
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pm_changestate(domain, newstate);
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: pm_auto_updatestate
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*
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* Description:
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* This function update the domain state and notify the power system.
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*
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* Input Parameters:
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* domain - The PM domain to check
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*
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* Returned Value:
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* None.
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*
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****************************************************************************/
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void pm_auto_updatestate(int domain)
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{
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FAR struct pm_domain_s *pdom;
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pdom = &g_pmglobals.domain[domain];
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if (pdom->auto_update)
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{
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#if defined(CONFIG_SCHED_WORKQUEUE)
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if (up_interrupt_context())
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{
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work_queue(HPWORK, &pdom->update_work,
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pm_auto_updatestate_cb, (FAR void *)domain, 0);
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}
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else
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#endif
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{
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pm_auto_updatestate_cb((FAR void *)domain);
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}
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}
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}
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/****************************************************************************
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* Name: pm_auto_update
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*
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* Description:
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* This function set the domain with assign mode.
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*
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* Input Parameters:
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* domain - The PM domain to check
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* auto_update - The PM domain auto update or not
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*
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* Returned Value:
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* None.
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*
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****************************************************************************/
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void pm_auto_update(int domain, bool auto_update)
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{
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FAR struct pm_domain_s *pdom;
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irqstate_t flags;
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DEBUGASSERT(domain >= 0 && domain < CONFIG_PM_NDOMAINS);
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pdom = &g_pmglobals.domain[domain];
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flags = pm_lock(domain);
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pdom->auto_update = auto_update;
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pm_unlock(domain, flags);
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}
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#endif /* CONFIG_PM */
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