67 lines
2.9 KiB
C
67 lines
2.9 KiB
C
/*
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* Copyright (c) 2013-2014, ARM Limited and Contributors. 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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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 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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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* 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 COPYRIGHT HOLDER 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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#ifndef __PM_H__
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#define __PM_H__
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#ifndef __ASSEMBLY__
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/*******************************************************************************
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* Structure populated by platform specific code to export routines which
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* perform common low level pm functions
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******************************************************************************/
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typedef struct {
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int (*cpu_on)(unsigned long);
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int (*cpu_off)(unsigned long);
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int (*cpu_suspend)(unsigned long);
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int (*affinity_info)(unsigned long, unsigned int);
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} pm_frontend_ops;
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/*******************************************************************************
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* Structure populated by a generic power management api implementation e.g.
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* psci to perform api specific bits after a cpu has been turned on.
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******************************************************************************/
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typedef struct {
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unsigned long (*cpu_off_finisher)(unsigned long);
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unsigned long (*cpu_suspend_finisher)(unsigned long);
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} pm_backend_ops;
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/*******************************************************************************
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* Function & variable prototypes
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******************************************************************************/
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extern pm_frontend_ops *get_pm_frontend_ops(void);
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extern pm_backend_ops *get_pm_backend_ops(void);
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extern void set_pm_frontend_ops(pm_frontend_ops *);
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extern void set_pm_backend_ops(pm_backend_ops *);
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#endif /*__ASSEMBLY__*/
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#endif /* __PM_H__ */
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