2007-02-11 17:31:01 +00:00
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/* linux/include/asm-arm/plat-s3c24xx/pm.h
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2005-04-16 22:20:36 +00:00
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*
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* Copyright (c) 2004 Simtec Electronics
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2008-12-12 00:24:06 +00:00
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* http://armlinux.simtec.co.uk/
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2005-04-16 22:20:36 +00:00
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* Written by Ben Dooks, <ben@simtec.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/* s3c2410_pm_init
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*
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* called from board at initialisation time to setup the power
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* management
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*/
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#ifdef CONFIG_PM
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extern __init int s3c2410_pm_init(void);
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#else
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static inline int s3c2410_pm_init(void)
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{
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return 0;
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}
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#endif
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/* configuration for the IRQ mask over sleep */
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extern unsigned long s3c_irqwake_intmask;
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extern unsigned long s3c_irqwake_eintmask;
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/* IRQ masks for IRQs allowed to go to sleep (see irq.c) */
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extern unsigned long s3c_irqwake_intallow;
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extern unsigned long s3c_irqwake_eintallow;
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2006-09-19 08:51:32 +00:00
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/* per-cpu sleep functions */
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extern void (*pm_cpu_prep)(void);
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extern void (*pm_cpu_sleep)(void);
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2005-04-16 22:20:36 +00:00
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/* Flags for PM Control */
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extern unsigned long s3c_pm_flags;
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/* from sleep.S */
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2006-09-15 23:04:23 +00:00
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extern int s3c2410_cpu_save(unsigned long *saveblk);
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extern void s3c2410_cpu_suspend(void);
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2005-04-16 22:20:36 +00:00
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extern void s3c2410_cpu_resume(void);
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2008-12-12 00:24:06 +00:00
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extern unsigned long s3c_sleep_save_phys;
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2005-04-16 22:20:36 +00:00
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/* sleep save info */
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2008-12-12 00:24:06 +00:00
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/**
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* struct sleep_save - save information for shared peripherals.
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* @reg: Pointer to the register to save.
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* @val: Holder for the value saved from reg.
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*
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* This describes a list of registers which is used by the pm core and
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* other subsystem to save and restore register values over suspend.
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*/
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2005-04-16 22:20:36 +00:00
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struct sleep_save {
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void __iomem *reg;
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unsigned long val;
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};
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#define SAVE_ITEM(x) \
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{ .reg = (x) }
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2008-12-12 00:24:06 +00:00
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/* helper functions to save/restore lists of registers. */
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extern void s3c_pm_do_save(struct sleep_save *ptr, int count);
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extern void s3c_pm_do_restore(struct sleep_save *ptr, int count);
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extern void s3c_pm_do_restore_core(struct sleep_save *ptr, int count);
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2006-09-15 23:01:39 +00:00
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#ifdef CONFIG_PM
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extern int s3c24xx_irq_suspend(struct sys_device *dev, pm_message_t state);
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extern int s3c24xx_irq_resume(struct sys_device *dev);
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#else
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#define s3c24xx_irq_suspend NULL
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#define s3c24xx_irq_resume NULL
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#endif
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2008-12-12 00:24:06 +00:00
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/* PM debug functions */
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#ifdef CONFIG_S3C2410_PM_DEBUG
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/**
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* s3c_pm_dbg() - low level debug function for use in suspend/resume.
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* @msg: The message to print.
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*
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* This function is used mainly to debug the resume process before the system
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* can rely on printk/console output. It uses the low-level debugging output
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* routine printascii() to do its work.
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*/
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extern void s3c_pm_dbg(const char *msg, ...);
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#define S3C_PMDBG(fmt...) s3c_pm_dbg(fmt)
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#else
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#define S3C_PMDBG(fmt...) printk(KERN_DEBUG fmt)
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#endif
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