1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright 2010 Ben Dooks <ben-linux@fluff.org> 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Support for wakeup mask interrupts on newer SoCs 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef __PLAT_WAKEUP_MASK_H 9*4882a593Smuzhiyun #define __PLAT_WAKEUP_MASK_H __file__ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun /* if no irq yet defined, but still want to mask */ 12*4882a593Smuzhiyun #define NO_WAKEUP_IRQ (0x90000000) 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /** 15*4882a593Smuzhiyun * struct samsung_wakeup_mask - wakeup mask information 16*4882a593Smuzhiyun * @irq: The interrupt associated with this wakeup. 17*4882a593Smuzhiyun * @bit: The bit, as a (1 << bitno) controlling this source. 18*4882a593Smuzhiyun */ 19*4882a593Smuzhiyun struct samsung_wakeup_mask { 20*4882a593Smuzhiyun unsigned int irq; 21*4882a593Smuzhiyun u32 bit; 22*4882a593Smuzhiyun }; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun /** 25*4882a593Smuzhiyun * samsung_sync_wakemask - sync wakeup mask information for pm 26*4882a593Smuzhiyun * @reg: The register that is used. 27*4882a593Smuzhiyun * @masks: The list of masks to use. 28*4882a593Smuzhiyun * @nr_masks: The number of entries pointed to buy @masks. 29*4882a593Smuzhiyun * 30*4882a593Smuzhiyun * Synchronise the wakeup mask information at suspend time from the list 31*4882a593Smuzhiyun * of interrupts and control bits in @masks. We do this at suspend time 32*4882a593Smuzhiyun * as overriding the relevant irq chips is harder and the register is only 33*4882a593Smuzhiyun * required to be correct before we enter sleep. 34*4882a593Smuzhiyun */ 35*4882a593Smuzhiyun extern void samsung_sync_wakemask(void __iomem *reg, 36*4882a593Smuzhiyun const struct samsung_wakeup_mask *masks, 37*4882a593Smuzhiyun int nr_masks); 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun #endif /* __PLAT_WAKEUP_MASK_H */ 40