mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-19 13:56:14 +02:00
fc54b9bf15
(stable-branch of Openmoko) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13613 3c298f89-4303-0410-b956-a3cf2f4a3e73
133 lines
4.4 KiB
Diff
133 lines
4.4 KiB
Diff
From 5134afd82f568f1eae133069bc9298e731546bc1 Mon Sep 17 00:00:00 2001
|
|
From: Holger Freyther <zecke@openmoko.org>
|
|
Date: Sun, 13 Apr 2008 07:25:54 +0100
|
|
Subject: [PATCH] Add GPIO -> IRQ for the s3c2410 and add irq_to_gpio to the gpio.h of the Samsung SoC
|
|
|
|
Use this irq_to_gpio in the neo1973 keyboard driver
|
|
---
|
|
arch/arm/plat-s3c24xx/gpio.c | 17 +++++++++++++++++
|
|
drivers/input/keyboard/neo1973kbd.c | 19 ++++++-------------
|
|
include/asm-arm/arch-s3c2410/gpio.h | 1 +
|
|
include/asm-arm/arch-s3c2410/hardware.h | 2 ++
|
|
4 files changed, 26 insertions(+), 13 deletions(-)
|
|
|
|
diff --git a/arch/arm/plat-s3c24xx/gpio.c b/arch/arm/plat-s3c24xx/gpio.c
|
|
index 7cab212..dfdb33a 100644
|
|
--- a/arch/arm/plat-s3c24xx/gpio.c
|
|
+++ b/arch/arm/plat-s3c24xx/gpio.c
|
|
@@ -188,6 +188,23 @@ int s3c2410_gpio_getirq(unsigned int pin)
|
|
|
|
EXPORT_SYMBOL(s3c2410_gpio_getirq);
|
|
|
|
+int s3c2410_irq_to_gpio(unsigned int irq)
|
|
+{
|
|
+ /* not valid interrupts */
|
|
+ if (irq > 15 + IRQ_EINT8)
|
|
+ return -1;
|
|
+
|
|
+ if (irq < IRQ_EINT4)
|
|
+ return (irq - IRQ_EINT0) + S3C2410_GPF0;
|
|
+
|
|
+ if (irq < IRQ_EINT8)
|
|
+ return (irq - IRQ_EINT4) + S3C2410_GPF4;
|
|
+
|
|
+ return (irq - IRQ_EINT8) + S3C2410_GPG0;
|
|
+}
|
|
+
|
|
+EXPORT_SYMBOL(s3c2410_irq_to_gpio);
|
|
+
|
|
static void pretty_dump(u32 cfg, u32 state, u32 pull,
|
|
const char ** function_names_2,
|
|
const char ** function_names_3,
|
|
diff --git a/drivers/input/keyboard/neo1973kbd.c b/drivers/input/keyboard/neo1973kbd.c
|
|
index b413bc8..06fa8e0 100644
|
|
--- a/drivers/input/keyboard/neo1973kbd.c
|
|
+++ b/drivers/input/keyboard/neo1973kbd.c
|
|
@@ -28,16 +28,13 @@
|
|
struct neo1973kbd {
|
|
struct input_dev *input;
|
|
unsigned int suspended;
|
|
- int gpio_aux;
|
|
- int gpio_hold;
|
|
- int gpio_jack;
|
|
};
|
|
|
|
static irqreturn_t neo1973kbd_aux_irq(int irq, void *dev_id)
|
|
{
|
|
struct neo1973kbd *neo1973kbd_data = dev_id;
|
|
|
|
- int key_pressed = !gpio_get_value(neo1973kbd_data->gpio_aux);
|
|
+ int key_pressed = !gpio_get_value(irq_to_gpio(irq));
|
|
input_report_key(neo1973kbd_data->input, KEY_PHONE, key_pressed);
|
|
input_sync(neo1973kbd_data->input);
|
|
|
|
@@ -48,7 +45,7 @@ static irqreturn_t neo1973kbd_hold_irq(int irq, void *dev_id)
|
|
{
|
|
struct neo1973kbd *neo1973kbd_data = dev_id;
|
|
|
|
- int key_pressed = gpio_get_value(neo1973kbd_data->gpio_hold);
|
|
+ int key_pressed = gpio_get_value(irq_to_gpio(irq));
|
|
input_report_key(neo1973kbd_data->input, KEY_PAUSE, key_pressed);
|
|
input_sync(neo1973kbd_data->input);
|
|
|
|
@@ -59,7 +56,7 @@ static irqreturn_t neo1973kbd_headphone_irq(int irq, void *dev_id)
|
|
{
|
|
struct neo1973kbd *neo1973kbd_data = dev_id;
|
|
|
|
- int key_pressed = gpio_get_value(neo1973kbd_data->gpio_jack);
|
|
+ int key_pressed = gpio_get_value(irq_to_gpio(irq));
|
|
input_report_switch(neo1973kbd_data->input,
|
|
SW_HEADPHONE_INSERT, key_pressed);
|
|
input_sync(neo1973kbd_data->input);
|
|
@@ -107,19 +104,15 @@ static int neo1973kbd_probe(struct platform_device *pdev)
|
|
if (pdev->resource[0].flags != 0)
|
|
return -EINVAL;
|
|
|
|
- neo1973kbd->gpio_aux = pdev->resource[0].start;
|
|
- neo1973kbd->gpio_hold = pdev->resource[1].start;
|
|
- neo1973kbd->gpio_jack = pdev->resource[2].start;
|
|
-
|
|
- irq_aux = gpio_to_irq(neo1973kbd->gpio_aux);
|
|
+ irq_aux = gpio_to_irq(pdev->resource[0].start);
|
|
if (irq_aux < 0)
|
|
return -EINVAL;
|
|
|
|
- irq_hold = gpio_to_irq(neo1973kbd->gpio_hold);
|
|
+ irq_hold = gpio_to_irq(pdev->resource[1].start);
|
|
if (irq_hold < 0)
|
|
return -EINVAL;
|
|
|
|
- irq_jack = gpio_to_irq(neo1973kbd->gpio_jack);
|
|
+ irq_jack = gpio_to_irq(pdev->resource[2].start);
|
|
if (irq_jack < 0)
|
|
return -EINVAL;
|
|
|
|
diff --git a/include/asm-arm/arch-s3c2410/gpio.h b/include/asm-arm/arch-s3c2410/gpio.h
|
|
index 7583895..9c8a338 100644
|
|
--- a/include/asm-arm/arch-s3c2410/gpio.h
|
|
+++ b/include/asm-arm/arch-s3c2410/gpio.h
|
|
@@ -61,6 +61,7 @@ static inline int gpio_direction_output(unsigned gpio, int value)
|
|
#define gpio_to_irq(gpio) s3c2400_gpio_getirq(gpio)
|
|
#else
|
|
#define gpio_to_irq(gpio) s3c2410_gpio_getirq(gpio)
|
|
+#define irq_to_gpio(irq) s3c2410_irq_to_gpio(irq)
|
|
#endif
|
|
|
|
/* FIXME implement irq_to_gpio() */
|
|
diff --git a/include/asm-arm/arch-s3c2410/hardware.h b/include/asm-arm/arch-s3c2410/hardware.h
|
|
index 6dadf58..caea511 100644
|
|
--- a/include/asm-arm/arch-s3c2410/hardware.h
|
|
+++ b/include/asm-arm/arch-s3c2410/hardware.h
|
|
@@ -50,6 +50,8 @@ extern unsigned int s3c2410_gpio_getcfg(unsigned int pin);
|
|
|
|
extern int s3c2410_gpio_getirq(unsigned int pin);
|
|
|
|
+extern int s3c2410_irq_to_gpio(unsigned int irq);
|
|
+
|
|
#ifdef CONFIG_CPU_S3C2400
|
|
|
|
extern int s3c2400_gpio_getirq(unsigned int pin);
|
|
--
|
|
1.5.6.5
|
|
|