arch/arm/mach-pxa/include/mach/pm.h

   1 /*
   2  * Copyright (c) 2005 Richard Purdie
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  *
   8  */
   9
  10 #include <linux/suspend.h>
  11
  12 struct pxa_cpu_pm_fns {
  13         int     save_count;
  14         void    (*save)(unsigned long *);
  15         void    (*restore)(unsigned long *);
  16         int     (*valid)(suspend_state_t state);
  17         void    (*enter)(suspend_state_t state);
  18         int     (*prepare)(void);
  19         void    (*finish)(void);
  20 };
  21
  22 extern struct pxa_cpu_pm_fns *pxa_cpu_pm_fns;
  23
  24 /* sleep.S */
  25 extern void pxa25x_cpu_suspend(unsigned int);
  26 extern void pxa27x_cpu_suspend(unsigned int);
  27 extern void pxa_cpu_resume(void);
  28
  29 extern int pxa_pm_enter(suspend_state_t state);
  30 extern int pxa_pm_prepare(void);
  31 extern void pxa_pm_finish(void);
  32
  33 /* NOTE: this is for PM debugging on Lubbock,  it's really a big
  34  * ugly, but let's keep the crap minimum here, instead of direct
  35  * accessing the LUBBOCK CPLD registers in arch/arm/mach-pxa/pm.c
  36  */
  37 #ifdef CONFIG_ARCH_LUBBOCK
  38 extern void lubbock_set_hexled(uint32_t value);
  39 #else
  40 #define lubbock_set_hexled(x)
  41 #endif