arch/arm/plat-samsung/include/plat/wakeup-mask.h

   1 /* arch/arm/plat-samsung/include/plat/wakeup-mask.h
   2  *
   3  * Copyright 2010 Ben Dooks <ben-linux@fluff.org>
   4  *
   5  * Support for wakeup mask interrupts on newer SoCs
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11 */
  12
  13 #ifndef __PLAT_WAKEUP_MASK_H
  14 #define __PLAT_WAKEUP_MASK_H __file__
  15
  16 /* if no irq yet defined, but still want to mask */
  17 #define NO_WAKEUP_IRQ (0x90000000)
  18
  19 /**
  20  * struct samsung_wakeup_mask - wakeup mask information
  21  * @irq: The interrupt associated with this wakeup.
  22  * @bit: The bit, as a (1 << bitno) controlling this source.
  23  */
  24 struct samsung_wakeup_mask {
  25         unsigned int    irq;
  26         u32             bit;
  27 };
  28
  29 /**
  30  * samsung_sync_wakemask - sync wakeup mask information for pm
  31  * @reg: The register that is used.
  32  * @masks: The list of masks to use.
  33  * @nr_masks: The number of entries pointed to buy @masks.
  34  *
  35  * Synchronise the wakeup mask information at suspend time from the list
  36  * of interrupts and control bits in @masks. We do this at suspend time
  37  * as overriding the relevant irq chips is harder and the register is only
  38  * required to be correct before we enter sleep.
  39  */
  40 extern void samsung_sync_wakemask(void __iomem *reg,
  41                                   struct samsung_wakeup_mask *masks,
  42                                   int nr_masks);
  43
  44 #endif /* __PLAT_WAKEUP_MASK_H */