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