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Diffstat (limited to 'arch/arm/mach-s5pc100/gpiolib.c')
-rw-r--r--arch/arm/mach-s5pc100/gpiolib.c68
1 files changed, 15 insertions, 53 deletions
diff --git a/arch/arm/mach-s5pc100/gpiolib.c b/arch/arm/mach-s5pc100/gpiolib.c
index 0fab7f2..def4ff8 100644
--- a/arch/arm/mach-s5pc100/gpiolib.c
+++ b/arch/arm/mach-s5pc100/gpiolib.c
@@ -61,30 +61,6 @@
* L3 8 4Bit None
*/
-static int s5pc100_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset)
-{
- return S3C_IRQ_GPIO(chip->base + offset);
-}
-
-static int s5pc100_gpiolib_to_eint(struct gpio_chip *chip, unsigned int offset)
-{
- int base;
-
- base = chip->base - S5PC100_GPH0(0);
- if (base == 0)
- return IRQ_EINT(offset);
- base = chip->base - S5PC100_GPH1(0);
- if (base == 0)
- return IRQ_EINT(8 + offset);
- base = chip->base - S5PC100_GPH2(0);
- if (base == 0)
- return IRQ_EINT(16 + offset);
- base = chip->base - S5PC100_GPH3(0);
- if (base == 0)
- return IRQ_EINT(24 + offset);
- return -EINVAL;
-}
-
static struct s3c_gpio_cfg gpio_cfg = {
.set_config = s3c_gpio_setcfg_s3c64xx_4bit,
.set_pull = s3c_gpio_setpull_updown,
@@ -228,34 +204,42 @@ static struct s3c_gpio_chip s5pc100_gpio_chips[] = {
}, {
.base = S5PC100_GPH0_BASE,
.config = &gpio_cfg_eint,
+ .irq_base = IRQ_EINT(0),
.chip = {
.base = S5PC100_GPH0(0),
.ngpio = S5PC100_GPIO_H0_NR,
.label = "GPH0",
+ .to_irq = samsung_gpiolib_to_irq,
},
}, {
.base = S5PC100_GPH1_BASE,
.config = &gpio_cfg_eint,
+ .irq_base = IRQ_EINT(8),
.chip = {
.base = S5PC100_GPH1(0),
.ngpio = S5PC100_GPIO_H1_NR,
.label = "GPH1",
+ .to_irq = samsung_gpiolib_to_irq,
},
}, {
.base = S5PC100_GPH2_BASE,
.config = &gpio_cfg_eint,
+ .irq_base = IRQ_EINT(16),
.chip = {
.base = S5PC100_GPH2(0),
.ngpio = S5PC100_GPIO_H2_NR,
.label = "GPH2",
+ .to_irq = samsung_gpiolib_to_irq,
},
}, {
.base = S5PC100_GPH3_BASE,
.config = &gpio_cfg_eint,
+ .irq_base = IRQ_EINT(24),
.chip = {
.base = S5PC100_GPH3(0),
.ngpio = S5PC100_GPIO_H3_NR,
.label = "GPH3",
+ .to_irq = samsung_gpiolib_to_irq,
},
}, {
.base = S5PC100_GPI_BASE,
@@ -380,47 +364,25 @@ static struct s3c_gpio_chip s5pc100_gpio_chips[] = {
},
};
-/* FIXME move from irq-gpio.c */
-extern struct irq_chip s5pc100_gpioint;
-extern void s5pc100_irq_gpioint_handler(unsigned int irq, struct irq_desc *desc);
-
-static __init void s5pc100_gpiolib_link(struct s3c_gpio_chip *chip)
-{
- /* Interrupt */
- if (chip->config == &gpio_cfg) {
- int i, irq;
-
- chip->chip.to_irq = s5pc100_gpiolib_to_irq;
-
- for (i = 0; i < chip->chip.ngpio; i++) {
- irq = S3C_IRQ_GPIO_BASE + chip->chip.base + i;
- set_irq_chip(irq, &s5pc100_gpioint);
- set_irq_data(irq, &chip->chip);
- set_irq_handler(irq, handle_level_irq);
- set_irq_flags(irq, IRQF_VALID);
- }
- } else if (chip->config == &gpio_cfg_eint) {
- chip->chip.to_irq = s5pc100_gpiolib_to_eint;
- }
-}
-
static __init int s5pc100_gpiolib_init(void)
{
struct s3c_gpio_chip *chip;
int nr_chips;
+ int gpioint_group = 0;
chip = s5pc100_gpio_chips;
nr_chips = ARRAY_SIZE(s5pc100_gpio_chips);
- for (; nr_chips > 0; nr_chips--, chip++)
- s5pc100_gpiolib_link(chip);
+ for (; nr_chips > 0; nr_chips--, chip++) {
+ if (chip->config == &gpio_cfg) {
+ /* gpio interrupts */
+ chip->group = gpioint_group++;
+ }
+ }
samsung_gpiolib_add_4bit_chips(s5pc100_gpio_chips,
ARRAY_SIZE(s5pc100_gpio_chips));
- /* Interrupt */
- set_irq_chained_handler(IRQ_GPIOINT, s5pc100_irq_gpioint_handler);
-
return 0;
}
core_initcall(s5pc100_gpiolib_init);