kernel_optimize_test/arch/arm/plat-samsung/include/plat/wakeup-mask.h
Ben Dooks 0317e52e04 ARM: SAMSUNG: Add support for interrupt wakeup-sources
Add support for wakeup-mask style interrupts that share a
single mask register for various different interrupts. This
registers a set of interrupt->bit mappings and the register
they belong to.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-05-20 21:07:01 +09:00

45 lines
1.3 KiB
C

/* arch/arm/plat-samsung/include/plat/wakeup-mask.h
*
* Copyright 2010 Ben Dooks <ben-linux@fluff.org>
*
* Support for wakeup mask interrupts on newer SoCs
*
* 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.
*
*/
#ifndef __PLAT_WAKEUP_MASK_H
#define __PLAT_WAKEUP_MASK_H __file__
/* if no irq yet defined, but still want to mask */
#define NO_WAKEUP_IRQ (0x90000000)
/**
* struct samsung_wakeup_mask - wakeup mask information
* @irq: The interrupt associated with this wakeup.
* @bit: The bit, as a (1 << bitno) controlling this source.
*/
struct samsung_wakeup_mask {
unsigned int irq;
u32 bit;
};
/**
* samsung_sync_wakemask - sync wakeup mask information for pm
* @reg: The register that is used.
* @masks: The list of masks to use.
* @nr_masks: The number of entries pointed to buy @masks.
*
* Synchronise the wakeup mask information at suspend time from the list
* of interrupts and control bits in @masks. We do this at suspend time
* as overriding the relevant irq chips is harder and the register is only
* required to be correct before we enter sleep.
*/
extern void samsung_sync_wakemask(void __iomem *reg,
struct samsung_wakeup_mask *masks,
int nr_masks);
#endif /* __PLAT_WAKEUP_MASK_H */