drivers/crypto/ccree/cc_pm.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
   3
   4 /* \file cc_pm.h
   5  */
   6
   7 #ifndef __CC_POWER_MGR_H__
   8 #define __CC_POWER_MGR_H__
   9
  10 #include "cc_driver.h"
  11
  12 #define CC_SUSPEND_TIMEOUT 3000
  13
  14 #if defined(CONFIG_PM)
  15
  16 extern const struct dev_pm_ops ccree_pm;
  17
  18 int cc_pm_init(struct cc_drvdata *drvdata);
  19 void cc_pm_go(struct cc_drvdata *drvdata);
  20 void cc_pm_fini(struct cc_drvdata *drvdata);
  21 int cc_pm_suspend(struct device *dev);
  22 int cc_pm_resume(struct device *dev);
  23 int cc_pm_get(struct device *dev);
  24 void cc_pm_put_suspend(struct device *dev);
  25 bool cc_pm_is_dev_suspended(struct device *dev);
  26
  27 #else
  28
  29 static inline int cc_pm_init(struct cc_drvdata *drvdata)
  30 {
  31         return 0;
  32 }
  33
  34 static inline void cc_pm_go(struct cc_drvdata *drvdata) {}
  35
  36 static inline void cc_pm_fini(struct cc_drvdata *drvdata) {}
  37
  38 static inline int cc_pm_get(struct device *dev)
  39 {
  40         return 0;
  41 }
  42
  43 static inline void cc_pm_put_suspend(struct device *dev) {}
  44
  45 static inline bool cc_pm_is_dev_suspended(struct device *dev)
  46 {
  47         /* if PM not supported device is never suspend */
  48         return false;
  49 }
  50
  51 #endif
  52
  53 #endif /*__POWER_MGR_H__*/