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Diffstat (limited to 'include/asm-avr32/arch-at32ap/gpio.h')
-rw-r--r--include/asm-avr32/arch-at32ap/gpio.h34
1 files changed, 25 insertions, 9 deletions
diff --git a/include/asm-avr32/arch-at32ap/gpio.h b/include/asm-avr32/arch-at32ap/gpio.h
index af7f9535bab..0180f584ef0 100644
--- a/include/asm-avr32/arch-at32ap/gpio.h
+++ b/include/asm-avr32/arch-at32ap/gpio.h
@@ -5,20 +5,36 @@
#include <asm/irq.h>
-/* Arch-neutral GPIO API */
-int __must_check gpio_request(unsigned int gpio, const char *label);
-void gpio_free(unsigned int gpio);
+/* Some GPIO chips can manage IRQs; some can't. The exact numbers can
+ * be changed if needed, but for the moment they're not configurable.
+ */
+#define ARCH_NR_GPIOS (NR_GPIO_IRQS + 2 * 32)
-int gpio_direction_input(unsigned int gpio);
-int gpio_direction_output(unsigned int gpio, int value);
-int gpio_get_value(unsigned int gpio);
-void gpio_set_value(unsigned int gpio, int value);
-#include <asm-generic/gpio.h> /* cansleep wrappers */
+/* Arch-neutral GPIO API, supporting both "native" and external GPIOs. */
+#include <asm-generic/gpio.h>
+
+static inline int gpio_get_value(unsigned int gpio)
+{
+ return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned int gpio, int value)
+{
+ __gpio_set_value(gpio, value);
+}
+
+static inline int gpio_cansleep(unsigned int gpio)
+{
+ return __gpio_cansleep(gpio);
+}
+
static inline int gpio_to_irq(unsigned int gpio)
{
- return gpio + GPIO_IRQ_BASE;
+ if (gpio < NR_GPIO_IRQS)
+ return gpio + GPIO_IRQ_BASE;
+ return -EINVAL;
}
static inline int irq_to_gpio(unsigned int irq)