mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 21:54:06 +08:00
84b2170109
Replace GPL license statements with SPDX license identifiers (GPL-2.0 and GPL-2.0+). The h1940-bluetooth.c was licensed under GPL-1.0. This also adds GPL-2.0 to few files lacking license statement. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
116 lines
2.5 KiB
C
116 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
//
|
|
// Copyright (c) 2003-2004 Simtec Electronics
|
|
// Ben Dooks <ben@simtec.co.uk>
|
|
// http://armlinux.simtec.co.uk/
|
|
//
|
|
// S3C24XX - IRQ PM code
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/module.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/syscore_ops.h>
|
|
#include <linux/io.h>
|
|
|
|
#include <plat/cpu.h>
|
|
#include <plat/pm.h>
|
|
#include <plat/map-base.h>
|
|
#include <plat/map-s3c.h>
|
|
|
|
#include <mach/regs-irq.h>
|
|
#include <mach/regs-gpio.h>
|
|
#include <mach/pm-core.h>
|
|
|
|
#include <asm/irq.h>
|
|
|
|
int s3c_irq_wake(struct irq_data *data, unsigned int state)
|
|
{
|
|
unsigned long irqbit = 1 << data->hwirq;
|
|
|
|
if (!(s3c_irqwake_intallow & irqbit))
|
|
return -ENOENT;
|
|
|
|
pr_info("wake %s for hwirq %lu\n",
|
|
state ? "enabled" : "disabled", data->hwirq);
|
|
|
|
if (!state)
|
|
s3c_irqwake_intmask |= irqbit;
|
|
else
|
|
s3c_irqwake_intmask &= ~irqbit;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct sleep_save irq_save[] = {
|
|
SAVE_ITEM(S3C2410_INTMSK),
|
|
SAVE_ITEM(S3C2410_INTSUBMSK),
|
|
};
|
|
|
|
/* the extint values move between the s3c2410/s3c2440 and the s3c2412
|
|
* so we use an array to hold them, and to calculate the address of
|
|
* the register at run-time
|
|
*/
|
|
|
|
static unsigned long save_extint[3];
|
|
static unsigned long save_eintflt[4];
|
|
static unsigned long save_eintmask;
|
|
|
|
static int s3c24xx_irq_suspend(void)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(save_extint); i++)
|
|
save_extint[i] = __raw_readl(S3C24XX_EXTINT0 + (i*4));
|
|
|
|
for (i = 0; i < ARRAY_SIZE(save_eintflt); i++)
|
|
save_eintflt[i] = __raw_readl(S3C24XX_EINFLT0 + (i*4));
|
|
|
|
s3c_pm_do_save(irq_save, ARRAY_SIZE(irq_save));
|
|
save_eintmask = __raw_readl(S3C24XX_EINTMASK);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void s3c24xx_irq_resume(void)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(save_extint); i++)
|
|
__raw_writel(save_extint[i], S3C24XX_EXTINT0 + (i*4));
|
|
|
|
for (i = 0; i < ARRAY_SIZE(save_eintflt); i++)
|
|
__raw_writel(save_eintflt[i], S3C24XX_EINFLT0 + (i*4));
|
|
|
|
s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save));
|
|
__raw_writel(save_eintmask, S3C24XX_EINTMASK);
|
|
}
|
|
|
|
struct syscore_ops s3c24xx_irq_syscore_ops = {
|
|
.suspend = s3c24xx_irq_suspend,
|
|
.resume = s3c24xx_irq_resume,
|
|
};
|
|
|
|
#ifdef CONFIG_CPU_S3C2416
|
|
static struct sleep_save s3c2416_irq_save[] = {
|
|
SAVE_ITEM(S3C2416_INTMSK2),
|
|
};
|
|
|
|
static int s3c2416_irq_suspend(void)
|
|
{
|
|
s3c_pm_do_save(s3c2416_irq_save, ARRAY_SIZE(s3c2416_irq_save));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void s3c2416_irq_resume(void)
|
|
{
|
|
s3c_pm_do_restore(s3c2416_irq_save, ARRAY_SIZE(s3c2416_irq_save));
|
|
}
|
|
|
|
struct syscore_ops s3c2416_irq_syscore_ops = {
|
|
.suspend = s3c2416_irq_suspend,
|
|
.resume = s3c2416_irq_resume,
|
|
};
|
|
#endif
|