1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Copyright 2010 Ben Dooks <ben-linux@fluff.org>
4 *
5 * Support for wakeup mask interrupts on newer SoCs
6 */
7
8 #ifndef __PLAT_WAKEUP_MASK_H
9 #define __PLAT_WAKEUP_MASK_H __file__
10
11 /* if no irq yet defined, but still want to mask */
12 #define NO_WAKEUP_IRQ (0x90000000)
13
14 /**
15 * struct samsung_wakeup_mask - wakeup mask information
16 * @irq: The interrupt associated with this wakeup.
17 * @bit: The bit, as a (1 << bitno) controlling this source.
18 */
19 struct samsung_wakeup_mask {
20 unsigned int irq;
21 u32 bit;
22 };
23
24 /**
25 * samsung_sync_wakemask - sync wakeup mask information for pm
26 * @reg: The register that is used.
27 * @masks: The list of masks to use.
28 * @nr_masks: The number of entries pointed to buy @masks.
29 *
30 * Synchronise the wakeup mask information at suspend time from the list
31 * of interrupts and control bits in @masks. We do this at suspend time
32 * as overriding the relevant irq chips is harder and the register is only
33 * required to be correct before we enter sleep.
34 */
35 extern void samsung_sync_wakemask(void __iomem *reg,
36 const struct samsung_wakeup_mask *masks,
37 int nr_masks);
38
39 #endif /* __PLAT_WAKEUP_MASK_H */