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path: root/arch/arm/mach-sa1100/irq.c
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Diffstat (limited to 'arch/arm/mach-sa1100/irq.c')
-rw-r--r--arch/arm/mach-sa1100/irq.c128
1 files changed, 60 insertions, 68 deletions
diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c
index 3093d46a9c6..2124f1fc2fb 100644
--- a/arch/arm/mach-sa1100/irq.c
+++ b/arch/arm/mach-sa1100/irq.c
@@ -12,11 +12,13 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/interrupt.h>
+#include <linux/io.h>
#include <linux/irq.h>
#include <linux/ioport.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <mach/hardware.h>
+#include <mach/irqs.h>
#include <asm/mach/irq.h>
#include "generic.h"
@@ -37,14 +39,14 @@ static int GPIO_IRQ_mask = (1 << 11) - 1;
#define GPIO_11_27_IRQ(i) ((i) - 21)
#define GPIO11_27_MASK(irq) (1 << GPIO_11_27_IRQ(irq))
-static int sa1100_gpio_type(unsigned int irq, unsigned int type)
+static int sa1100_gpio_type(struct irq_data *d, unsigned int type)
{
unsigned int mask;
- if (irq <= 10)
- mask = 1 << irq;
+ if (d->irq <= 10)
+ mask = 1 << d->irq;
else
- mask = GPIO11_27_MASK(irq);
+ mask = GPIO11_27_MASK(d->irq);
if (type == IRQ_TYPE_PROBE) {
if ((GPIO_IRQ_rising_edge | GPIO_IRQ_falling_edge) & mask)
@@ -70,37 +72,37 @@ static int sa1100_gpio_type(unsigned int irq, unsigned int type)
/*
* GPIO IRQs must be acknowledged. This is for IRQs from 0 to 10.
*/
-static void sa1100_low_gpio_ack(unsigned int irq)
+static void sa1100_low_gpio_ack(struct irq_data *d)
{
- GEDR = (1 << irq);
+ GEDR = (1 << d->irq);
}
-static void sa1100_low_gpio_mask(unsigned int irq)
+static void sa1100_low_gpio_mask(struct irq_data *d)
{
- ICMR &= ~(1 << irq);
+ ICMR &= ~(1 << d->irq);
}
-static void sa1100_low_gpio_unmask(unsigned int irq)
+static void sa1100_low_gpio_unmask(struct irq_data *d)
{
- ICMR |= 1 << irq;
+ ICMR |= 1 << d->irq;
}
-static int sa1100_low_gpio_wake(unsigned int irq, unsigned int on)
+static int sa1100_low_gpio_wake(struct irq_data *d, unsigned int on)
{
if (on)
- PWER |= 1 << irq;
+ PWER |= 1 << d->irq;
else
- PWER &= ~(1 << irq);
+ PWER &= ~(1 << d->irq);
return 0;
}
static struct irq_chip sa1100_low_gpio_chip = {
.name = "GPIO-l",
- .ack = sa1100_low_gpio_ack,
- .mask = sa1100_low_gpio_mask,
- .unmask = sa1100_low_gpio_unmask,
- .set_type = sa1100_gpio_type,
- .set_wake = sa1100_low_gpio_wake,
+ .irq_ack = sa1100_low_gpio_ack,
+ .irq_mask = sa1100_low_gpio_mask,
+ .irq_unmask = sa1100_low_gpio_unmask,
+ .irq_set_type = sa1100_gpio_type,
+ .irq_set_wake = sa1100_low_gpio_wake,
};
/*
@@ -139,16 +141,16 @@ sa1100_high_gpio_handler(unsigned int irq, struct irq_desc *desc)
* In addition, the IRQs are all collected up into one bit in the
* interrupt controller registers.
*/
-static void sa1100_high_gpio_ack(unsigned int irq)
+static void sa1100_high_gpio_ack(struct irq_data *d)
{
- unsigned int mask = GPIO11_27_MASK(irq);
+ unsigned int mask = GPIO11_27_MASK(d->irq);
GEDR = mask;
}
-static void sa1100_high_gpio_mask(unsigned int irq)
+static void sa1100_high_gpio_mask(struct irq_data *d)
{
- unsigned int mask = GPIO11_27_MASK(irq);
+ unsigned int mask = GPIO11_27_MASK(d->irq);
GPIO_IRQ_mask &= ~mask;
@@ -156,9 +158,9 @@ static void sa1100_high_gpio_mask(unsigned int irq)
GFER &= ~mask;
}
-static void sa1100_high_gpio_unmask(unsigned int irq)
+static void sa1100_high_gpio_unmask(struct irq_data *d)
{
- unsigned int mask = GPIO11_27_MASK(irq);
+ unsigned int mask = GPIO11_27_MASK(d->irq);
GPIO_IRQ_mask |= mask;
@@ -166,44 +168,44 @@ static void sa1100_high_gpio_unmask(unsigned int irq)
GFER = GPIO_IRQ_falling_edge & GPIO_IRQ_mask;
}
-static int sa1100_high_gpio_wake(unsigned int irq, unsigned int on)
+static int sa1100_high_gpio_wake(struct irq_data *d, unsigned int on)
{
if (on)
- PWER |= GPIO11_27_MASK(irq);
+ PWER |= GPIO11_27_MASK(d->irq);
else
- PWER &= ~GPIO11_27_MASK(irq);
+ PWER &= ~GPIO11_27_MASK(d->irq);
return 0;
}
static struct irq_chip sa1100_high_gpio_chip = {
.name = "GPIO-h",
- .ack = sa1100_high_gpio_ack,
- .mask = sa1100_high_gpio_mask,
- .unmask = sa1100_high_gpio_unmask,
- .set_type = sa1100_gpio_type,
- .set_wake = sa1100_high_gpio_wake,
+ .irq_ack = sa1100_high_gpio_ack,
+ .irq_mask = sa1100_high_gpio_mask,
+ .irq_unmask = sa1100_high_gpio_unmask,
+ .irq_set_type = sa1100_gpio_type,
+ .irq_set_wake = sa1100_high_gpio_wake,
};
/*
* We don't need to ACK IRQs on the SA1100 unless they're GPIOs
* this is for internal IRQs i.e. from 11 to 31.
*/
-static void sa1100_mask_irq(unsigned int irq)
+static void sa1100_mask_irq(struct irq_data *d)
{
- ICMR &= ~(1 << irq);
+ ICMR &= ~(1 << d->irq);
}
-static void sa1100_unmask_irq(unsigned int irq)
+static void sa1100_unmask_irq(struct irq_data *d)
{
- ICMR |= (1 << irq);
+ ICMR |= (1 << d->irq);
}
/*
* Apart form GPIOs, only the RTC alarm can be a wakeup event.
*/
-static int sa1100_set_wake(unsigned int irq, unsigned int on)
+static int sa1100_set_wake(struct irq_data *d, unsigned int on)
{
- if (irq == IRQ_RTCAlrm) {
+ if (d->irq == IRQ_RTCAlrm) {
if (on)
PWER |= PWER_RTC;
else
@@ -215,17 +217,14 @@ static int sa1100_set_wake(unsigned int irq, unsigned int on)
static struct irq_chip sa1100_normal_chip = {
.name = "SC",
- .ack = sa1100_mask_irq,
- .mask = sa1100_mask_irq,
- .unmask = sa1100_unmask_irq,
- .set_wake = sa1100_set_wake,
+ .irq_ack = sa1100_mask_irq,
+ .irq_mask = sa1100_mask_irq,
+ .irq_unmask = sa1100_unmask_irq,
+ .irq_set_wake = sa1100_set_wake,
};
-static struct resource irq_resource = {
- .name = "irqs",
- .start = 0x90050000,
- .end = 0x9005ffff,
-};
+static struct resource irq_resource =
+ DEFINE_RES_MEM_NAMED(0x90050000, SZ_64K, "irqs");
static struct sa1100irq_state {
unsigned int saved;
@@ -234,7 +233,7 @@ static struct sa1100irq_state {
unsigned int iccr;
} sa1100irq_state;
-static int sa1100irq_suspend(struct sys_device *dev, pm_message_t state)
+static int sa1100irq_suspend(void)
{
struct sa1100irq_state *st = &sa1100irq_state;
@@ -264,7 +263,7 @@ static int sa1100irq_suspend(struct sys_device *dev, pm_message_t state)
return 0;
}
-static int sa1100irq_resume(struct sys_device *dev)
+static void sa1100irq_resume(void)
{
struct sa1100irq_state *st = &sa1100irq_state;
@@ -277,24 +276,17 @@ static int sa1100irq_resume(struct sys_device *dev)
ICMR = st->icmr;
}
- return 0;
}
-static struct sysdev_class sa1100irq_sysclass = {
- .name = "sa11x0-irq",
+static struct syscore_ops sa1100irq_syscore_ops = {
.suspend = sa1100irq_suspend,
.resume = sa1100irq_resume,
};
-static struct sys_device sa1100irq_device = {
- .id = 0,
- .cls = &sa1100irq_sysclass,
-};
-
static int __init sa1100irq_init_devicefs(void)
{
- sysdev_class_register(&sa1100irq_sysclass);
- return sysdev_register(&sa1100irq_device);
+ register_syscore_ops(&sa1100irq_syscore_ops);
+ return 0;
}
device_initcall(sa1100irq_init_devicefs);
@@ -323,28 +315,28 @@ void __init sa1100_init_irq(void)
ICCR = 1;
for (irq = 0; irq <= 10; irq++) {
- set_irq_chip(irq, &sa1100_low_gpio_chip);
- set_irq_handler(irq, handle_edge_irq);
+ irq_set_chip_and_handler(irq, &sa1100_low_gpio_chip,
+ handle_edge_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
for (irq = 12; irq <= 31; irq++) {
- set_irq_chip(irq, &sa1100_normal_chip);
- set_irq_handler(irq, handle_level_irq);
+ irq_set_chip_and_handler(irq, &sa1100_normal_chip,
+ handle_level_irq);
set_irq_flags(irq, IRQF_VALID);
}
for (irq = 32; irq <= 48; irq++) {
- set_irq_chip(irq, &sa1100_high_gpio_chip);
- set_irq_handler(irq, handle_edge_irq);
+ irq_set_chip_and_handler(irq, &sa1100_high_gpio_chip,
+ handle_edge_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
/*
* Install handler for GPIO 11-27 edge detect interrupts
*/
- set_irq_chip(IRQ_GPIO11_27, &sa1100_normal_chip);
- set_irq_chained_handler(IRQ_GPIO11_27, sa1100_high_gpio_handler);
+ irq_set_chip(IRQ_GPIO11_27, &sa1100_normal_chip);
+ irq_set_chained_handler(IRQ_GPIO11_27, sa1100_high_gpio_handler);
sa1100_init_gpio();
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-05 12:51:02 +0000