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[ARM] S3C: Make IRQ_EINT sleep control common

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Move the IRQ_EINT sleep control to be available to all
s3c impelmentations. Since s3c_irqext_wake is not large,
place it in arch/arm/plat-s3c/pm.c as adding it to a new
file would be a waste of compile time.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2008-12-12 00:24:12 +00:00
parent 7299a40918
commit 56b3442688
6 changed files with 30 additions and 25 deletions
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2
arch/arm/mach-s3c2410/include/mach/irqs.h
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@ -80,7 +80,7 @@
#define IRQ_EINT22 S3C2410_IRQ(50)
#define IRQ_EINT23 S3C2410_IRQ(51)
#define IRQ_EINT_BIT(x) ((x) - (IRQ_EINT4 + 4))
#define IRQ_EINT(x) (((x) >= 4) ? (IRQ_EINT4 + (x) - 4) : (IRQ_EINT0 + (x)))
#define IRQ_LCD_FIFO S3C2410_IRQ(52)

2
arch/arm/mach-s3c24a0/include/mach/irqs.h
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@ -70,6 +70,8 @@
#define IRQ_EINT17 S3C2410_IRQ(49)
#define IRQ_EINT18 S3C2410_IRQ(50)
#define IRQ_EINT_BIT(x) ((x) - IRQ_EINT00)
/* SUB IRQS */
#define IRQ_S3CUART_RX0 S3C2410_IRQ(51) /* 67 */
#define IRQ_S3CUART_TX0 S3C2410_IRQ(52)

2
arch/arm/plat-s3c/include/plat/pm.h
View File

@ -77,9 +77,11 @@ extern void s3c_pm_do_restore(struct sleep_save *ptr, int count);
extern void s3c_pm_do_restore_core(struct sleep_save *ptr, int count);
#ifdef CONFIG_PM
extern int s3c_irqext_wake(unsigned int irqno, unsigned int state);
extern int s3c24xx_irq_suspend(struct sys_device *dev, pm_message_t state);
extern int s3c24xx_irq_resume(struct sys_device *dev);
#else
#define s3c_irqext_wake NULL
#define s3c24xx_irq_suspend NULL
#define s3c24xx_irq_resume NULL
#endif

24
arch/arm/plat-s3c/pm.c
View File

@ -27,6 +27,7 @@
#include <mach/regs-gpio.h>
#include <mach/regs-mem.h>
#include <mach/regs-irq.h>
#include <asm/irq.h>
#include <plat/pm.h>
#include <plat/pm-core.h>
@ -100,6 +101,29 @@ static void s3c_pm_save_uart(void) { }
static void s3c_pm_restore_uart(void) { }
#endif
/* The IRQ ext-int code goes here, it is too small to currently bother
* with its own file. */
unsigned long s3c_irqwake_intmask = 0xffffffffL;
unsigned long s3c_irqwake_eintmask = 0xffffffffL;
int s3c_irqext_wake(unsigned int irqno, unsigned int state)
{
unsigned long bit = 1L << IRQ_EINT_BIT(irqno);
if (!(s3c_irqwake_eintallow & bit))
return -ENOENT;
printk(KERN_INFO "wake %s for irq %d\n",
state ? "enabled" : "disabled", irqno);
if (!state)
s3c_irqwake_eintmask |= bit;
else
s3c_irqwake_eintmask &= ~bit;
return 0;
}
/* helper functions to save and restore register state */

2
arch/arm/plat-s3c24xx/include/plat/irq.h
View File

@ -108,9 +108,7 @@ s3c_irqsub_ack(unsigned int irqno, unsigned int parentmask, unsigned int group)
#ifdef CONFIG_PM
extern int s3c_irq_wake(unsigned int irqno, unsigned int state);
extern int s3c_irqext_wake(unsigned int irqno, unsigned int state);
#else
#define s3c_irqext_wake NULL
#define s3c_irq_wake NULL
#endif

23
arch/arm/plat-s3c24xx/irq-pm.c
View File

@ -28,12 +28,9 @@
*/
unsigned long s3c_irqwake_intallow = 1L << (IRQ_RTC - IRQ_EINT0) | 0xfL;
unsigned long s3c_irqwake_intmask = 0xffffffffL;
unsigned long s3c_irqwake_eintallow = 0x0000fff0L;
unsigned long s3c_irqwake_eintmask = 0xffffffffL;
int
s3c_irq_wake(unsigned int irqno, unsigned int state)
int s3c_irq_wake(unsigned int irqno, unsigned int state)
{
unsigned long irqbit = 1 << (irqno - IRQ_EINT0);
@ -51,24 +48,6 @@ s3c_irq_wake(unsigned int irqno, unsigned int state)
return 0;
}
int s3c_irqext_wake(unsigned int irqno, unsigned int state)
{
unsigned long bit = 1L << (irqno - EXTINT_OFF);
if (!(s3c_irqwake_eintallow & bit))
return -ENOENT;
printk(KERN_INFO "wake %s for irq %d\n",
state ? "enabled" : "disabled", irqno);
if (!state)
s3c_irqwake_eintmask |= bit;
else
s3c_irqwake_eintmask &= ~bit;
return 0;
}
static struct sleep_save irq_save[] = {
SAVE_ITEM(S3C2410_INTMSK),
SAVE_ITEM(S3C2410_INTSUBMSK),