linux/include/asm-arm/plat-s3c24xx/pm.h

74 lines
1.7 KiB
C

/* linux/include/asm-arm/plat-s3c24xx/pm.h
*
* Copyright (c) 2004 Simtec Electronics
* Written by Ben Dooks, <ben@simtec.co.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/* s3c2410_pm_init
*
* called from board at initialisation time to setup the power
* management
*/
#ifdef CONFIG_PM
extern __init int s3c2410_pm_init(void);
#else
static inline int s3c2410_pm_init(void)
{
return 0;
}
#endif
/* configuration for the IRQ mask over sleep */
extern unsigned long s3c_irqwake_intmask;
extern unsigned long s3c_irqwake_eintmask;
/* IRQ masks for IRQs allowed to go to sleep (see irq.c) */
extern unsigned long s3c_irqwake_intallow;
extern unsigned long s3c_irqwake_eintallow;
/* per-cpu sleep functions */
extern void (*pm_cpu_prep)(void);
extern void (*pm_cpu_sleep)(void);
/* Flags for PM Control */
extern unsigned long s3c_pm_flags;
/* from sleep.S */
extern int s3c2410_cpu_save(unsigned long *saveblk);
extern void s3c2410_cpu_suspend(void);
extern void s3c2410_cpu_resume(void);
extern unsigned long s3c2410_sleep_save_phys;
/* sleep save info */
struct sleep_save {
void __iomem *reg;
unsigned long val;
};
#define SAVE_ITEM(x) \
{ .reg = (x) }
extern void s3c2410_pm_do_save(struct sleep_save *ptr, int count);
extern void s3c2410_pm_do_restore(struct sleep_save *ptr, int count);
#ifdef CONFIG_PM
extern int s3c24xx_irq_suspend(struct sys_device *dev, pm_message_t state);
extern int s3c24xx_irq_resume(struct sys_device *dev);
#else
#define s3c24xx_irq_suspend NULL
#define s3c24xx_irq_resume NULL
#endif