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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 */
45