mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-26 01:40:53 +07:00
0317e52e04
Add support for wakeup-mask style interrupts that share a single mask register for various different interrupts. This registers a set of interrupt->bit mappings and the register they belong to. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/* arch/arm/plat-samsung/include/plat/wakeup-mask.h
|
|
*
|
|
* Copyright 2010 Ben Dooks <ben-linux@fluff.org>
|
|
*
|
|
* Support for wakeup mask interrupts on newer SoCs
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
*/
|
|
|
|
#ifndef __PLAT_WAKEUP_MASK_H
|
|
#define __PLAT_WAKEUP_MASK_H __file__
|
|
|
|
/* if no irq yet defined, but still want to mask */
|
|
#define NO_WAKEUP_IRQ (0x90000000)
|
|
|
|
/**
|
|
* struct samsung_wakeup_mask - wakeup mask information
|
|
* @irq: The interrupt associated with this wakeup.
|
|
* @bit: The bit, as a (1 << bitno) controlling this source.
|
|
*/
|
|
struct samsung_wakeup_mask {
|
|
unsigned int irq;
|
|
u32 bit;
|
|
};
|
|
|
|
/**
|
|
* samsung_sync_wakemask - sync wakeup mask information for pm
|
|
* @reg: The register that is used.
|
|
* @masks: The list of masks to use.
|
|
* @nr_masks: The number of entries pointed to buy @masks.
|
|
*
|
|
* Synchronise the wakeup mask information at suspend time from the list
|
|
* of interrupts and control bits in @masks. We do this at suspend time
|
|
* as overriding the relevant irq chips is harder and the register is only
|
|
* required to be correct before we enter sleep.
|
|
*/
|
|
extern void samsung_sync_wakemask(void __iomem *reg,
|
|
struct samsung_wakeup_mask *masks,
|
|
int nr_masks);
|
|
|
|
#endif /* __PLAT_WAKEUP_MASK_H */
|