mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-25 10:59:05 +00:00
ea31fd4330
This patch adds suspend-to-ram support for S5PV210. Note. This patch is confirmed on SMDKV210 and SMDKC110 board. Signed-off-by: Jongpill Lee <boyko.lee@samsung.com> Signed-off-by: Sangbeom Kim <sbkim73@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/* linux/arch/arm/plat-s5p/irq-pm.c
|
|
*
|
|
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
|
|
* http://www.samsung.com
|
|
*
|
|
* Based on arch/arm/plat-s3c24xx/irq-pm.c,
|
|
* Copyright (c) 2003,2004 Simtec Electronics
|
|
* Ben Dooks <ben@simtec.co.uk>
|
|
* http://armlinux.simtec.co.uk/
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/module.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/sysdev.h>
|
|
|
|
#include <plat/cpu.h>
|
|
#include <plat/irqs.h>
|
|
#include <plat/pm.h>
|
|
#include <mach/map.h>
|
|
|
|
#include <mach/regs-gpio.h>
|
|
#include <mach/regs-irq.h>
|
|
|
|
/* state for IRQs over sleep */
|
|
|
|
/* default is to allow for EINT0..EINT31, and IRQ_RTC_TIC, IRQ_RTC_ALARM,
|
|
* as wakeup sources
|
|
*
|
|
* set bit to 1 in allow bitfield to enable the wakeup settings on it
|
|
*/
|
|
|
|
unsigned long s3c_irqwake_intallow = 0x00000006L;
|
|
unsigned long s3c_irqwake_eintallow = 0xffffffffL;
|
|
|
|
int s3c_irq_wake(unsigned int irqno, unsigned int state)
|
|
{
|
|
unsigned long irqbit;
|
|
|
|
switch (irqno) {
|
|
case IRQ_RTC_TIC:
|
|
case IRQ_RTC_ALARM:
|
|
irqbit = 1 << (irqno + 1 - IRQ_RTC_ALARM);
|
|
if (!state)
|
|
s3c_irqwake_intmask |= irqbit;
|
|
else
|
|
s3c_irqwake_intmask &= ~irqbit;
|
|
break;
|
|
default:
|
|
return -ENOENT;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct sleep_save eint_save[] = {
|
|
SAVE_ITEM(S5P_EINT_CON(0)),
|
|
SAVE_ITEM(S5P_EINT_CON(1)),
|
|
SAVE_ITEM(S5P_EINT_CON(2)),
|
|
SAVE_ITEM(S5P_EINT_CON(3)),
|
|
|
|
SAVE_ITEM(S5P_EINT_FLTCON(0)),
|
|
SAVE_ITEM(S5P_EINT_FLTCON(1)),
|
|
SAVE_ITEM(S5P_EINT_FLTCON(2)),
|
|
SAVE_ITEM(S5P_EINT_FLTCON(3)),
|
|
SAVE_ITEM(S5P_EINT_FLTCON(4)),
|
|
SAVE_ITEM(S5P_EINT_FLTCON(5)),
|
|
SAVE_ITEM(S5P_EINT_FLTCON(6)),
|
|
SAVE_ITEM(S5P_EINT_FLTCON(7)),
|
|
|
|
SAVE_ITEM(S5P_EINT_MASK(0)),
|
|
SAVE_ITEM(S5P_EINT_MASK(1)),
|
|
SAVE_ITEM(S5P_EINT_MASK(2)),
|
|
SAVE_ITEM(S5P_EINT_MASK(3)),
|
|
};
|
|
|
|
int s3c24xx_irq_suspend(struct sys_device *dev, pm_message_t state)
|
|
{
|
|
s3c_pm_do_save(eint_save, ARRAY_SIZE(eint_save));
|
|
|
|
return 0;
|
|
}
|
|
|
|
int s3c24xx_irq_resume(struct sys_device *dev)
|
|
{
|
|
s3c_pm_do_restore(eint_save, ARRAY_SIZE(eint_save));
|
|
|
|
return 0;
|
|
}
|
|
|