arch/unicore32/include/mach/pm.h

   1 /*
   2  * linux/arch/unicore/include/mach/pm.h
   3  *
   4  * Code specific to PKUnity SoC and UniCore ISA
   5  *
   6  * Copyright (C) 2001-2010 GUAN Xue-tao
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12 #ifndef __PUV3_PM_H__
  13 #define __PUV3_PM_H__
  14
  15 #include <linux/suspend.h>
  16
  17 struct puv3_cpu_pm_fns {
  18         int     save_count;
  19         void    (*save)(unsigned long *);
  20         void    (*restore)(unsigned long *);
  21         int     (*valid)(suspend_state_t state);
  22         void    (*enter)(suspend_state_t state);
  23         int     (*prepare)(void);
  24         void    (*finish)(void);
  25 };
  26
  27 extern struct puv3_cpu_pm_fns *puv3_cpu_pm_fns;
  28
  29 /* sleep.S */
  30 extern void puv3_cpu_suspend(unsigned int);
  31
  32 extern void puv3_cpu_resume(void);
  33
  34 extern int puv3_pm_enter(suspend_state_t state);
  35
  36 /* Defined in hibernate_asm.S */
  37 extern int restore_image(pgd_t *resume_pg_dir, struct pbe *restore_pblist);
  38
  39 /* References to section boundaries */
  40 extern const void __nosave_begin, __nosave_end;
  41
  42 extern struct pbe *restore_pblist;
  43 #endif