linux/arch/arm/mach-pxa/include/mach/pm.h
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   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
  12struct 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
  22extern struct pxa_cpu_pm_fns *pxa_cpu_pm_fns;
  23
  24/* sleep.S */
  25extern void pxa25x_cpu_suspend(unsigned int);
  26extern void pxa27x_cpu_suspend(unsigned int);
  27extern void pxa_cpu_resume(void);
  28
  29extern int pxa_pm_enter(suspend_state_t state);
  30extern int pxa_pm_prepare(void);
  31extern 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
  38extern void lubbock_set_hexled(uint32_t value);
  39#else
  40#define lubbock_set_hexled(x)
  41#endif
  42