1c6ff132dSArnd Bergmann /* SPDX-License-Identifier: GPL-2.0 */ 2c6ff132dSArnd Bergmann /* 3c6ff132dSArnd Bergmann * Copyright 2010 Ben Dooks <ben-linux@fluff.org> 4c6ff132dSArnd Bergmann * 5c6ff132dSArnd Bergmann * Support for wakeup mask interrupts on newer SoCs 6c6ff132dSArnd Bergmann */ 7c6ff132dSArnd Bergmann 8c6ff132dSArnd Bergmann #ifndef __PLAT_WAKEUP_MASK_H 9c6ff132dSArnd Bergmann #define __PLAT_WAKEUP_MASK_H __file__ 10c6ff132dSArnd Bergmann 11c6ff132dSArnd Bergmann /* if no irq yet defined, but still want to mask */ 12c6ff132dSArnd Bergmann #define NO_WAKEUP_IRQ (0x90000000) 13c6ff132dSArnd Bergmann 14c6ff132dSArnd Bergmann /** 15c6ff132dSArnd Bergmann * struct samsung_wakeup_mask - wakeup mask information 16c6ff132dSArnd Bergmann * @irq: The interrupt associated with this wakeup. 17c6ff132dSArnd Bergmann * @bit: The bit, as a (1 << bitno) controlling this source. 18c6ff132dSArnd Bergmann */ 19c6ff132dSArnd Bergmann struct samsung_wakeup_mask { 20c6ff132dSArnd Bergmann unsigned int irq; 21c6ff132dSArnd Bergmann u32 bit; 22c6ff132dSArnd Bergmann }; 23c6ff132dSArnd Bergmann 24c6ff132dSArnd Bergmann /** 25c6ff132dSArnd Bergmann * samsung_sync_wakemask - sync wakeup mask information for pm 26c6ff132dSArnd Bergmann * @reg: The register that is used. 27c6ff132dSArnd Bergmann * @masks: The list of masks to use. 28c6ff132dSArnd Bergmann * @nr_masks: The number of entries pointed to buy @masks. 29c6ff132dSArnd Bergmann * 30c6ff132dSArnd Bergmann * Synchronise the wakeup mask information at suspend time from the list 31c6ff132dSArnd Bergmann * of interrupts and control bits in @masks. We do this at suspend time 32c6ff132dSArnd Bergmann * as overriding the relevant irq chips is harder and the register is only 33c6ff132dSArnd Bergmann * required to be correct before we enter sleep. 34c6ff132dSArnd Bergmann */ 35c6ff132dSArnd Bergmann extern void samsung_sync_wakemask(void __iomem *reg, 36c6ff132dSArnd Bergmann const struct samsung_wakeup_mask *masks, 37c6ff132dSArnd Bergmann int nr_masks); 38c6ff132dSArnd Bergmann 39c6ff132dSArnd Bergmann #endif /* __PLAT_WAKEUP_MASK_H */ 40