| 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 */ |
|---|
| 40 | |
|---|
